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    // Copyright 2015-2017 Parity Technologies (UK) Ltd.
    // This file is part of Parity.

    // Parity is free software: you can redistribute it and/or modify
    // it under the terms of the GNU General Public License as published by
    // the Free Software Foundation, either version 3 of the License, or
    // (at your option) any later version.

    // Parity is distributed in the hope that it will be useful,
    // but WITHOUT ANY WARRANTY; without even the implied warranty of
    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    // GNU General Public License for more details.

    // You should have received a copy of the GNU General Public License
    // along with Parity.  If not, see <http://www.gnu.org/licenses/>.

    mod bytes {

        //! Serializable wrapper around vector of bytes
        use rustc_serialize::hex::ToHex;
        use serde::{Serialize, Serializer, Deserialize, Deserializer, Error};
        use serde::de::Visitor;
        use util::common::FromHex;
        /// Wrapper structure around vector of bytes.
        #[derive(Clone, Hash, Default, Eq, PartialEq, Debug)]
        pub struct Bytes(pub Vec<u8>);
        impl Bytes {
            /// Simple constructor.
            pub fn new(bytes: Vec<u8>) -> Bytes { Bytes(bytes) }
            /// Convert back to vector
            pub fn into_vec(self) -> Vec<u8> { self.0 }
        }
        impl From<Vec<u8>> for Bytes {
            fn from(bytes: Vec<u8>) -> Bytes { Bytes(bytes) }
        }
        impl Into<Vec<u8>> for Bytes {
            fn into(self) -> Vec<u8> { self.0 }
        }
        impl Serialize for Bytes {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                let mut serialized = "0x".to_owned();
                serialized.push_str(self.0.to_hex().as_ref());
                serializer.serialize_str(serialized.as_ref())
            }
        }
        impl Deserialize for Bytes {
            fn deserialize<D>(deserializer: &mut D) -> Result<Bytes, D::Error>
             where D: Deserializer {
                deserializer.deserialize(BytesVisitor)
            }
        }
        struct BytesVisitor;
        impl Visitor for BytesVisitor {
            type
            Value
            =
            Bytes;
            fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E>
             where E: Error {
                if value.is_empty() {
                    warn!(target : "deprecated" ,
                          "Deserializing empty string as empty bytes. This is a non-standard behaviour that will be removed in future versions. Please update your code to send `0x` instead!");
                    Ok(Bytes::new(Vec::new()))
                } else if value.len() >= 2 && &value[0..2] == "0x" &&
                              value.len() & 1 == 0 {
                    Ok(Bytes::new(FromHex::from_hex(&value[2..]).map_err(|_|
                                                                             Error::custom("invalid hex"))?))
                } else { Err(Error::custom("invalid format")) }
            }
            fn visit_string<E>(&mut self, value: String) -> Result<Self::Value, E>
             where E: Error {
                self.visit_str(value.as_ref())
            }
        }
        #[cfg(test)]
        mod tests {
            use super::*;
            use serde_json;
            use rustc_serialize::hex::FromHex;
            #[test]
            fn test_bytes_serialize() {
                let bytes = Bytes("0123456789abcdef".from_hex().unwrap());
                let serialized = serde_json::to_string(&bytes).unwrap();
                assert_eq!(serialized , r#""0x0123456789abcdef""#);
            }
            #[test]
            fn test_bytes_deserialize() {
                let bytes2: Result<Bytes, serde_json::Error> =
                    serde_json::from_str(r#""0x123""#);
                let bytes3: Result<Bytes, serde_json::Error> =
                    serde_json::from_str(r#""0xgg""#);
                let bytes4: Bytes = serde_json::from_str(r#""0x""#).unwrap();
                let bytes5: Bytes = serde_json::from_str(r#""0x12""#).unwrap();
                let bytes6: Bytes = serde_json::from_str(r#""0x0123""#).unwrap();
                assert!(bytes2 . is_err (  ));
                assert!(bytes3 . is_err (  ));
                assert_eq!(bytes4 , Bytes ( vec ! [  ] ));
                assert_eq!(bytes5 , Bytes ( vec ! [ 0x12 ] ));
                assert_eq!(bytes6 , Bytes ( vec ! [ 0x1 , 0x23 ] ));
            }
            #[test]
            fn test_bytes_lenient_against_the_spec_deserialize_for_empty_string_for_mist_compatibility() {
                let deserialized: Bytes = serde_json::from_str(r#""""#).unwrap();
                assert_eq!(deserialized , Bytes ( Vec :: new (  ) ));
            }
        }
    }
    mod block {
        use std::ops::Deref;
        use std::collections::BTreeMap;
        use serde::{Serialize, Serializer};
        use v1::types::{Bytes, Transaction, H160, H256, H2048, U256};
        /// Block Transactions
        #[derive(Debug)]
        pub enum BlockTransactions {

            /// Only hashes
            Hashes(Vec<H256>),

            /// Full transactions
            Full(Vec<Transaction>),
        }
        impl Serialize for BlockTransactions {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                match *self {
                    BlockTransactions::Hashes(ref hashes) =>
                    hashes.serialize(serializer),
                    BlockTransactions::Full(ref ts) => ts.serialize(serializer),
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Block: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Block {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Block" , 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +
                                 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "hash" , & self . hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "parentHash" , & self .
                             parent_hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "sha3Uncles" , & self .
                             uncles_hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "author" , & self . author ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "miner" , & self . miner ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "stateRoot" , & self .
                             state_root ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "transactionsRoot" , & self .
                             transactions_root ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "receiptsRoot" , & self .
                             receipts_root ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "number" , & self . number ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gasUsed" , & self . gas_used
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gasLimit" , & self . gas_limit
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "extraData" , & self .
                             extra_data ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "logsBloom" , & self .
                             logs_bloom ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "timestamp" , & self .
                             timestamp ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "difficulty" , & self .
                             difficulty ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "totalDifficulty" , & self .
                             total_difficulty ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "sealFields" , & self .
                             seal_fields ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "uncles" , & self . uncles ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "transactions" , & self .
                             transactions ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "size" , & self . size ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Block representation
        #[derive(Debug)]
        pub struct Block {
            /// Hash of the block
            pub hash: Option<H256>,
            /// Hash of the parent
            pub parent_hash: H256,
            /// Hash of the uncles
            pub uncles_hash: H256,
            /// Authors address
            pub author: H160,
            /// ?
            pub miner: H160,
            /// State root hash
            pub state_root: H256,
            /// Transactions root hash
            pub transactions_root: H256,
            /// Transactions receipts root hash
            pub receipts_root: H256,
            /// Block number
            pub number: Option<U256>,
            /// Gas Used
            pub gas_used: U256,
            /// Gas Limit
            pub gas_limit: U256,
            /// Extra data
            pub extra_data: Bytes,
            /// Logs bloom
            pub logs_bloom: H2048,
            /// Timestamp
            pub timestamp: U256,
            /// Difficulty
            pub difficulty: U256,
            /// Total difficulty
            pub total_difficulty: U256,
            /// Seal fields
            pub seal_fields: Vec<Bytes>,
            /// Uncles' hashes
            pub uncles: Vec<H256>,
            /// Transactions
            pub transactions: BlockTransactions,
            /// Size in bytes
            pub size: Option<U256>,
        }
        /// Block representation with additional info
        #[derive(Debug)]
        pub struct RichBlock {
            /// Standard block
            pub block: Block,
            /// Engine-specific fields with additional description.
            /// Should be included directly to serialized block object.
            pub extra_info: BTreeMap<String, String>,
        }
        impl Deref for RichBlock {
            type
            Target
            =
            Block;
            fn deref(&self) -> &Self::Target { &self.block }
        }
        impl Serialize for RichBlock {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                use serde_json::{to_value, Value};
                let serialized =
                    (to_value(&self.block), to_value(&self.extra_info));
                if let (Value::Object(mut block), Value::Object(extras)) =
                       serialized {
                    block.extend(extras);
                    block.serialize(serializer)?;
                }
                Ok(())
            }
        }
        #[cfg(test)]
        mod tests {
            use std::collections::BTreeMap;
            use serde_json;
            use v1::types::{Transaction, H64, H160, H256, H2048, Bytes, U256};
            use super::{Block, RichBlock, BlockTransactions};
            #[test]
            fn test_serialize_block_transactions() {
                let t =
                    BlockTransactions::Full(vec!(Transaction :: default (  )));
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"[{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0","blockHash":null,"blockNumber":null,"transactionIndex":null,"from":"0x0000000000000000000000000000000000000000","to":null,"value":"0x0","gasPrice":"0x0","gas":"0x0","input":"0x","creates":null,"raw":"0x","publicKey":null,"networkId":null,"standardV":"0x0","v":"0x0","r":"0x0","s":"0x0","minBlock":null}]"#);
                let t =
                    BlockTransactions::Hashes(vec!(H256 :: default (  ) . into (
                                                   )));
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"["0x0000000000000000000000000000000000000000000000000000000000000000"]"#);
            }
            #[test]
            fn test_serialize_block() {
                let block =
                    Block{hash: Some(H256::default()),
                          parent_hash: H256::default(),
                          uncles_hash: H256::default(),
                          author: H160::default(),
                          miner: H160::default(),
                          state_root: H256::default(),
                          transactions_root: H256::default(),
                          receipts_root: H256::default(),
                          number: Some(U256::default()),
                          gas_used: U256::default(),
                          gas_limit: U256::default(),
                          extra_data: Bytes::default(),
                          logs_bloom: H2048::default(),
                          timestamp: U256::default(),
                          difficulty: U256::default(),
                          total_difficulty: U256::default(),
                          seal_fields:
                              vec!(Bytes :: default (  ) , Bytes :: default (  )),
                          uncles: vec!(),
                          transactions: BlockTransactions::Hashes(vec!().into()),
                          size: Some(69.into()),};
                let serialized_block = serde_json::to_string(&block).unwrap();
                let rich_block =
                    RichBlock{block: block,
                              extra_info:
                                  map!("mixHash" . into (  ) => format ! (
                                       "0x{:?}" , H256 :: default (  ) ) , "nonce"
                                       . into (  ) => format ! (
                                       "0x{:?}" , H64 :: default (  ) )),};
                let serialized_rich_block =
                    serde_json::to_string(&rich_block).unwrap();
                assert_eq!(serialized_block ,
                           r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","author":"0x0000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","number":"0x0","gasUsed":"0x0","gasLimit":"0x0","extraData":"0x","logsBloom":" ","timestamp":"0x0","difficulty":"0x0","totalDifficulty":"0x0","sealFields":["0x","0x"],"uncles":[],"transactions":[],"size":"0x45"}"#);
                assert_eq!(serialized_rich_block ,
                           r#"{"author":"0x0000000000000000000000000000000000000000","difficulty":"0x0","extraData":"0x","gasLimit":"0x0","gasUsed":"0x0","hash":"0x0000000000000000000000000000000000000000000000000000000000000000","logsBloom":" ","miner":"0x0000000000000000000000000000000000000000","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0000000000000000","number":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","sealFields":["0x","0x"],"sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","size":"0x45","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x0","totalDifficulty":"0x0","transactions":[],"transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","uncles":[]}"#);
            }
        }
    }
    mod block_number {
        use serde::{Deserialize, Deserializer, Error, Serialize, Serializer};
        use serde::de::Visitor;
        use ethcore::client::BlockId;
        /// Represents rpc api block number param.
        #[derive(Eq, Hash, Clone, PartialEq, Debug)]
        pub enum BlockNumber {

            /// Number
            Num(u64),

            /// Latest block
            Latest,

            /// Earliest block (genesis)
            Earliest,

            /// Pending block (being mined)
            Pending,
        }
        impl Default for BlockNumber {
            fn default() -> Self { BlockNumber::Latest }
        }
        impl Deserialize for BlockNumber {
            fn deserialize<D>(deserializer: &mut D)
             -> Result<BlockNumber, D::Error> where D: Deserializer {
                deserializer.deserialize(BlockNumberVisitor)
            }
        }
        impl BlockNumber {
            /// Convert block number to min block target.
            pub fn to_min_block_num(&self) -> Option<u64> {
                match *self { BlockNumber::Num(ref x) => Some(*x), _ => None, }
            }
        }
        impl Serialize for BlockNumber {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                match *self {
                    BlockNumber::Num(ref x) =>
                    serializer.serialize_str(&format!("0x{:x}" , x)),
                    BlockNumber::Latest => serializer.serialize_str("latest"),
                    BlockNumber::Earliest => serializer.serialize_str("earliest"),
                    BlockNumber::Pending => serializer.serialize_str("pending"),
                }
            }
        }
        struct BlockNumberVisitor;
        impl Visitor for BlockNumberVisitor {
            type
            Value
            =
            BlockNumber;
            fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E>
             where E: Error {
                match value {
                    "latest" => Ok(BlockNumber::Latest),
                    "earliest" => Ok(BlockNumber::Earliest),
                    "pending" => Ok(BlockNumber::Pending),
                    _ if value.starts_with("0x") =>
                    u64::from_str_radix(&value[2..],
                                        16).map(BlockNumber::Num).map_err(|_|
                                                                              Error::custom("invalid block number")),
                    _ =>
                    value.parse::<u64>().map(BlockNumber::Num).map_err(|_|
                                                                           Error::custom("invalid block number")),
                }
            }
            fn visit_string<E>(&mut self, value: String) -> Result<Self::Value, E>
             where E: Error {
                self.visit_str(value.as_ref())
            }
        }
        impl Into<BlockId> for BlockNumber {
            fn into(self) -> BlockId {
                match self {
                    BlockNumber::Num(n) => BlockId::Number(n),
                    BlockNumber::Earliest => BlockId::Earliest,
                    BlockNumber::Latest => BlockId::Latest,
                    BlockNumber::Pending => BlockId::Pending,
                }
            }
        }
        #[cfg(test)]
        mod tests {
            use ethcore::client::BlockId;
            use super::*;
            use serde_json;
            #[test]
            fn block_number_deserialization() {
                let s = r#"["0xa", "10", "latest", "earliest", "pending"]"#;
                let deserialized: Vec<BlockNumber> =
                    serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , vec ! [
                           BlockNumber :: Num ( 10 ) , BlockNumber :: Num ( 10 ) ,
                           BlockNumber :: Latest , BlockNumber :: Earliest ,
                           BlockNumber :: Pending ])
            }
            #[test]
            fn block_number_into() {
                assert_eq!(BlockId :: Number ( 100 ) , BlockNumber :: Num ( 100 )
                           . into (  ));
                assert_eq!(BlockId :: Earliest , BlockNumber :: Earliest . into (
                           ));
                assert_eq!(BlockId :: Latest , BlockNumber :: Latest . into (  ));
                assert_eq!(BlockId :: Pending , BlockNumber :: Pending . into (
                           ));
            }
        }
    }
    mod call_request {
        use v1::helpers::CallRequest as Request;
        use v1::types::{Bytes, H160, U256};
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_CallRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for CallRequest {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<CallRequest, __D::Error> where
                     __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field {
                            __field0,
                            __field1,
                            __field2,
                            __field3,
                            __field4,
                            __field5,
                            __field6,
                        }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            2usize => { Ok(__Field::__field2) }
                                            3usize => { Ok(__Field::__field3) }
                                            4usize => { Ok(__Field::__field4) }
                                            5usize => { Ok(__Field::__field5) }
                                            6usize => { Ok(__Field::__field6) }
                                            _ =>
                                            Err(_serde::de::Error::invalid_value("expected a field")),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "from" => { Ok(__Field::__field0) }
                                            "to" => { Ok(__Field::__field1) }
                                            "gasPrice" => {
                                                Ok(__Field::__field2)
                                            }
                                            "gas" => { Ok(__Field::__field3) }
                                            "value" => { Ok(__Field::__field4) }
                                            "data" => { Ok(__Field::__field5) }
                                            "nonce" => { Ok(__Field::__field6) }
                                            _ =>
                                            Err(_serde::de::Error::unknown_field(value)),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"from" => { Ok(__Field::__field0) }
                                            b"to" => { Ok(__Field::__field1) }
                                            b"gasPrice" => {
                                                Ok(__Field::__field2)
                                            }
                                            b"gas" => { Ok(__Field::__field3) }
                                            b"value" => { Ok(__Field::__field4) }
                                            b"data" => { Ok(__Field::__field5) }
                                            b"nonce" => { Ok(__Field::__field6) }
                                            _ => {
                                                let value =
                                                    ::std::string::String::from_utf8_lossy(value);
                                                Err(_serde::de::Error::unknown_field(&value))
                                            }
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            CallRequest;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<CallRequest, __V::Error>
                             where __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < Option < H160
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < Option < H160
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                let __field2 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(2usize));
                                        }
                                    };
                                let __field3 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(3usize));
                                        }
                                    };
                                let __field4 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(4usize));
                                        }
                                    };
                                let __field5 =
                                    match try!(visitor . visit :: < Option < Bytes
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(5usize));
                                        }
                                    };
                                let __field6 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(6usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(CallRequest{from: __field0,
                                               to: __field1,
                                               gas_price: __field2,
                                               gas: __field3,
                                               value: __field4,
                                               data: __field5,
                                               nonce: __field6,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<CallRequest, __V::Error>
                             where __V: _serde::de::MapVisitor {
                                let mut __field0: Option<Option<H160>> = None;
                                let mut __field1: Option<Option<H160>> = None;
                                let mut __field2: Option<Option<U256>> = None;
                                let mut __field3: Option<Option<U256>> = None;
                                let mut __field4: Option<Option<U256>> = None;
                                let mut __field5: Option<Option<Bytes>> = None;
                                let mut __field6: Option<Option<U256>> = None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("from"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < H160 > > (
                                                          )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("to"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < H160 > > (
                                                          )));
                                        }
                                        __Field::__field2 => {
                                            if __field2.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("gasPrice"));
                                            }
                                            __field2 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field3 => {
                                            if __field3.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("gas"));
                                            }
                                            __field3 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field4 => {
                                            if __field4.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("value"));
                                            }
                                            __field4 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field5 => {
                                            if __field5.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("data"));
                                            }
                                            __field5 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < Bytes > > (
                                                          )));
                                        }
                                        __Field::__field6 => {
                                            if __field6.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("nonce"));
                                            }
                                            __field6 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "from" )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "to" )),
                                    };
                                let __field2 =
                                    match __field2 {
                                        Some(__field2) => __field2,
                                        None =>
                                        try!(visitor . missing_field ( "gasPrice"
                                             )),
                                    };
                                let __field3 =
                                    match __field3 {
                                        Some(__field3) => __field3,
                                        None =>
                                        try!(visitor . missing_field ( "gas" )),
                                    };
                                let __field4 =
                                    match __field4 {
                                        Some(__field4) => __field4,
                                        None =>
                                        try!(visitor . missing_field ( "value" )),
                                    };
                                let __field5 =
                                    match __field5 {
                                        Some(__field5) => __field5,
                                        None =>
                                        try!(visitor . missing_field ( "data" )),
                                    };
                                let __field6 =
                                    match __field6 {
                                        Some(__field6) => __field6,
                                        None =>
                                        try!(visitor . missing_field ( "nonce" )),
                                    };
                                Ok(CallRequest{from: __field0,
                                               to: __field1,
                                               gas_price: __field2,
                                               gas: __field3,
                                               value: __field4,
                                               data: __field5,
                                               nonce: __field6,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["from", "to", "gas_price", "gas", "value", "data",
                              "nonce"];
                        deserializer.deserialize_struct("CallRequest", FIELDS,
                                                        __Visitor)
                    }
                }
            };
        /// Call request
        #[derive(PartialEq, Default, Debug)]
        pub struct CallRequest {
            /// From
            pub from: Option<H160>,
            /// To
            pub to: Option<H160>,
            /// Gas Price
            pub gas_price: Option<U256>,
            /// Gas
            pub gas: Option<U256>,
            /// Value
            pub value: Option<U256>,
            /// Data
            pub data: Option<Bytes>,
            /// Nonce
            pub nonce: Option<U256>,
        }
        impl Into<Request> for CallRequest {
            fn into(self) -> Request {
                Request{from: self.from.map(Into::into),
                        to: self.to.map(Into::into),
                        gas_price: self.gas_price.map(Into::into),
                        gas: self.gas.map(Into::into),
                        value: self.value.map(Into::into),
                        data: self.data.map(Into::into),
                        nonce: self.nonce.map(Into::into),}
            }
        }
        #[cfg(test)]
        mod tests {
            use std::str::FromStr;
            use rustc_serialize::hex::FromHex;
            use serde_json;
            use v1::types::{U256, H160};
            use super::CallRequest;
            #[test]
            fn call_request_deserialize() {
                let s =
                    r#"{
    			"from":"0x0000000000000000000000000000000000000001",
    			"to":"0x0000000000000000000000000000000000000002",
    			"gasPrice":"0x1",
    			"gas":"0x2",
    			"value":"0x3",
    			"data":"0x123456",
    			"nonce":"0x4"
    		}"#;
                let deserialized: CallRequest = serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , CallRequest {
                           from : Some ( H160 :: from ( 1 ) ) , to : Some (
                           H160 :: from ( 2 ) ) , gas_price : Some (
                           U256 :: from ( 1 ) ) , gas : Some ( U256 :: from ( 2 )
                           ) , value : Some ( U256 :: from ( 3 ) ) , data : Some (
                           vec ! [ 0x12 , 0x34 , 0x56 ] . into (  ) ) , nonce :
                           Some ( U256 :: from ( 4 ) ) , });
            }
            #[test]
            fn call_request_deserialize2() {
                let s =
                    r#"{
    			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
    			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
    			"gas": "0x76c0",
    			"gasPrice": "0x9184e72a000",
    			"value": "0x9184e72a",
    			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
    		}"#;
                let deserialized: CallRequest = serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , CallRequest {
                           from : Some (
                           H160 :: from_str (
                           "b60e8dd61c5d32be8058bb8eb970870f07233155" ) . unwrap (
                            ) ) , to : Some (
                           H160 :: from_str (
                           "d46e8dd67c5d32be8058bb8eb970870f07244567" ) . unwrap (
                            ) ) , gas_price : Some (
                           U256 :: from_str ( "9184e72a000" ) . unwrap (  ) ) ,
                           gas : Some ( U256 :: from_str ( "76c0" ) . unwrap (  )
                           ) , value : Some (
                           U256 :: from_str ( "9184e72a" ) . unwrap (  ) ) , data
                           : Some (
                           "d46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
                           . from_hex (  ) . unwrap (  ) . into (  ) ) , nonce :
                           None });
            }
            #[test]
            fn call_request_deserialize_empty() {
                let s =
                    r#"{"from":"0x0000000000000000000000000000000000000001"}"#;
                let deserialized: CallRequest = serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , CallRequest {
                           from : Some ( H160 :: from ( 1 ) ) , to : None ,
                           gas_price : None , gas : None , value : None , data :
                           None , nonce : None , });
            }
        }
    }
    mod confirmations {
        //! Types used in Confirmations queue (Trusted Signer)
        use std::fmt;
        use serde::{Serialize, Serializer};
        use util::log::Colour;
        use util::bytes::ToPretty;
        use v1::types::{U256, TransactionRequest, RichRawTransaction, H160, H256,
                        H520, Bytes, BlockNumber};
        use v1::helpers;
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_ConfirmationRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for ConfirmationRequest {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<ConfirmationRequest, __D::Error>
                     where __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field { __field0, __field1, __ignore, }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "id" => { Ok(__Field::__field0) }
                                            "payload" => { Ok(__Field::__field1) }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"id" => { Ok(__Field::__field0) }
                                            b"payload" => {
                                                Ok(__Field::__field1)
                                            }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            ConfirmationRequest;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             ->
                                 ::std::result::Result<ConfirmationRequest,
                                                       __V::Error> where
                             __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < U256 > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: <
                                               ConfirmationPayload > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(ConfirmationRequest{id: __field0,
                                                       payload: __field1,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             ->
                                 ::std::result::Result<ConfirmationRequest,
                                                       __V::Error> where
                             __V: _serde::de::MapVisitor {
                                let mut __field0: Option<U256> = None;
                                let mut __field1: Option<ConfirmationPayload> =
                                    None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("id"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < U256 > (  )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("payload"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < ConfirmationPayload >
                                                          (  )));
                                        }
                                        _ => {
                                            let _ =
                                                try!(visitor . visit_value :: <
                                                     _serde :: de :: impls ::
                                                     IgnoredAny > (  ));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "id" )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "payload"
                                             )),
                                    };
                                Ok(ConfirmationRequest{id: __field0,
                                                       payload: __field1,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["id", "payload"];
                        deserializer.deserialize_struct("ConfirmationRequest",
                                                        FIELDS, __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_ConfirmationRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for ConfirmationRequest {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "ConfirmationRequest" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "id" , & self . id ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "payload" , & self . payload
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Confirmation waiting in a queue
        #[derive(Hash, PartialEq, Eq, Clone, Debug)]
        pub struct ConfirmationRequest {
            /// Id of this confirmation
            pub id: U256,
            /// Payload
            pub payload: ConfirmationPayload,
        }
        impl From<helpers::ConfirmationRequest> for ConfirmationRequest {
            fn from(c: helpers::ConfirmationRequest) -> Self {
                ConfirmationRequest{id: c.id.into(), payload: c.payload.into(),}
            }
        }
        impl fmt::Display for ConfirmationRequest {
            fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
                write!(f , "#{}: {}" , self . id , self . payload)
            }
        }
        impl fmt::Display for ConfirmationPayload {
            fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
                match *self {
                    ConfirmationPayload::SendTransaction(ref transaction) =>
                    write!(f , "{}" , transaction),
                    ConfirmationPayload::SignTransaction(ref transaction) =>
                    write!(f , "(Sign only) {}" , transaction),
                    ConfirmationPayload::Signature(ref sign) =>
                    write!(f , "{}" , sign),
                    ConfirmationPayload::Decrypt(ref decrypt) =>
                    write!(f , "{}" , decrypt),
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_SignRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for SignRequest {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<SignRequest, __D::Error> where
                     __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field { __field0, __field1, __ignore, }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "address" => { Ok(__Field::__field0) }
                                            "data" => { Ok(__Field::__field1) }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"address" => {
                                                Ok(__Field::__field0)
                                            }
                                            b"data" => { Ok(__Field::__field1) }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            SignRequest;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<SignRequest, __V::Error>
                             where __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < H160 > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < Bytes > (  ))
                                        {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(SignRequest{address: __field0,
                                               data: __field1,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<SignRequest, __V::Error>
                             where __V: _serde::de::MapVisitor {
                                let mut __field0: Option<H160> = None;
                                let mut __field1: Option<Bytes> = None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("address"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < H160 > (  )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("data"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < Bytes > (  )));
                                        }
                                        _ => {
                                            let _ =
                                                try!(visitor . visit_value :: <
                                                     _serde :: de :: impls ::
                                                     IgnoredAny > (  ));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "address"
                                             )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "data" )),
                                    };
                                Ok(SignRequest{address: __field0,
                                               data: __field1,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["address", "data"];
                        deserializer.deserialize_struct("SignRequest", FIELDS,
                                                        __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_SignRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for SignRequest {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "SignRequest" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "address" , & self . address
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "data" , & self . data ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Sign request
        #[derive(Hash, PartialEq, Eq, Clone, Debug)]
        pub struct SignRequest {
            /// Address
            pub address: H160,
            /// Hash to sign
            pub data: Bytes,
        }
        impl From<(H160, Bytes)> for SignRequest {
            fn from(tuple: (H160, Bytes)) -> Self {
                SignRequest{address: tuple.0, data: tuple.1,}
            }
        }
        impl fmt::Display for SignRequest {
            fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
                write!(f , "sign 0x{} with {}" , self . data . 0 . pretty (  ) ,
                       Colour :: White . bold (  ) . paint (
                       format ! ( "0x{:?}" , self . address ) ) ,)
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_DecryptRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for DecryptRequest {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<DecryptRequest, __D::Error> where
                     __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field { __field0, __field1, __ignore, }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "address" => { Ok(__Field::__field0) }
                                            "msg" => { Ok(__Field::__field1) }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"address" => {
                                                Ok(__Field::__field0)
                                            }
                                            b"msg" => { Ok(__Field::__field1) }
                                            _ => Ok(__Field::__ignore),
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            DecryptRequest;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<DecryptRequest, __V::Error>
                             where __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < H160 > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < Bytes > (  ))
                                        {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(DecryptRequest{address: __field0,
                                                  msg: __field1,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<DecryptRequest, __V::Error>
                             where __V: _serde::de::MapVisitor {
                                let mut __field0: Option<H160> = None;
                                let mut __field1: Option<Bytes> = None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("address"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < H160 > (  )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("msg"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < Bytes > (  )));
                                        }
                                        _ => {
                                            let _ =
                                                try!(visitor . visit_value :: <
                                                     _serde :: de :: impls ::
                                                     IgnoredAny > (  ));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "address"
                                             )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "msg" )),
                                    };
                                Ok(DecryptRequest{address: __field0,
                                                  msg: __field1,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["address", "msg"];
                        deserializer.deserialize_struct("DecryptRequest", FIELDS,
                                                        __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_DecryptRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for DecryptRequest {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "DecryptRequest" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "address" , & self . address
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "msg" , & self . msg ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Decrypt request
        #[derive(Hash, PartialEq, Eq, Clone, Debug)]
        pub struct DecryptRequest {
            /// Address
            pub address: H160,
            /// Message to decrypt
            pub msg: Bytes,
        }
        impl From<(H160, Bytes)> for DecryptRequest {
            fn from(tuple: (H160, Bytes)) -> Self {
                DecryptRequest{address: tuple.0, msg: tuple.1,}
            }
        }
        impl fmt::Display for DecryptRequest {
            fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
                write!(f , "decrypt data with {}" , Colour :: White . bold (  ) .
                       paint ( format ! ( "0x{:?}" , self . address ) ) ,)
            }
        }
        /// Confirmation response for particular payload
        #[derive(PartialEq, Clone, Debug)]
        pub enum ConfirmationResponse {

            /// Transaction Hash
            SendTransaction(H256),

            /// Transaction RLP
            SignTransaction(RichRawTransaction),

            /// Signature
            Signature(H520),

            /// Decrypted data
            Decrypt(Bytes),
        }
        impl Serialize for ConfirmationResponse {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                match *self {
                    ConfirmationResponse::SendTransaction(ref hash) =>
                    hash.serialize(serializer),
                    ConfirmationResponse::SignTransaction(ref rlp) =>
                    rlp.serialize(serializer),
                    ConfirmationResponse::Signature(ref signature) =>
                    signature.serialize(serializer),
                    ConfirmationResponse::Decrypt(ref data) =>
                    data.serialize(serializer),
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_ConfirmationResponseWithToken: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for ConfirmationResponseWithToken {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "ConfirmationResponseWithToken" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "result" , & self . result ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "token" , & self . token ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Confirmation response with additional token for further requests
        #[derive(PartialEq, Clone, Debug)]
        pub struct ConfirmationResponseWithToken {
            /// Actual response
            pub result: ConfirmationResponse,
            /// New token
            pub token: String,
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_ConfirmationPayload: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for ConfirmationPayload {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<ConfirmationPayload, __D::Error>
                     where __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field {
                            __field0,
                            __field1,
                            __field2,
                            __field3,
                            __ignore,
                        }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            2usize => { Ok(__Field::__field2) }
                                            3usize => { Ok(__Field::__field3) }
                                            _ =>
                                            Err(_serde::de::Error::invalid_value("expected a variant")),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "sendTransaction" => {
                                                Ok(__Field::__field0)
                                            }
                                            "signTransaction" => {
                                                Ok(__Field::__field1)
                                            }
                                            "sign" => { Ok(__Field::__field2) }
                                            "decrypt" => { Ok(__Field::__field3) }
                                            _ =>
                                            Err(_serde::de::Error::unknown_variant(value)),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"sendTransaction" => {
                                                Ok(__Field::__field0)
                                            }
                                            b"signTransaction" => {
                                                Ok(__Field::__field1)
                                            }
                                            b"sign" => { Ok(__Field::__field2) }
                                            b"decrypt" => {
                                                Ok(__Field::__field3)
                                            }
                                            _ => {
                                                let value =
                                                    ::std::string::String::from_utf8_lossy(value);
                                                Err(_serde::de::Error::unknown_variant(&value))
                                            }
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::EnumVisitor for __Visitor {
                            type
                            Value
                            =
                            ConfirmationPayload;
                            fn visit<__V>(&mut self, mut visitor: __V)
                             ->
                                 ::std::result::Result<ConfirmationPayload,
                                                       __V::Error> where
                             __V: _serde::de::VariantVisitor {
                                match try!(visitor . visit_variant (  )) {
                                    __Field::__field0 =>
                                    Ok(ConfirmationPayload::SendTransaction(try!(visitor
                                                                                 .
                                                                                 visit_newtype
                                                                                 ::
                                                                                 <
                                                                                 TransactionRequest
                                                                                 >
                                                                                 (

                                                                                 )))),
                                    __Field::__field1 =>
                                    Ok(ConfirmationPayload::SignTransaction(try!(visitor
                                                                                 .
                                                                                 visit_newtype
                                                                                 ::
                                                                                 <
                                                                                 TransactionRequest
                                                                                 >
                                                                                 (

                                                                                 )))),
                                    __Field::__field2 =>
                                    Ok(ConfirmationPayload::Signature(try!(visitor
                                                                           .
                                                                           visit_newtype
                                                                           :: <
                                                                           SignRequest
                                                                           > (
                                                                           )))),
                                    __Field::__field3 =>
                                    Ok(ConfirmationPayload::Decrypt(try!(visitor .
                                                                         visit_newtype
                                                                         :: <
                                                                         DecryptRequest
                                                                         > (
                                                                         )))),
                                    __Field::__ignore => {
                                        Err(_serde::de::Error::end_of_stream())
                                    }
                                }
                            }
                        }
                        const VARIANTS: &'static [&'static str] =
                            &["SendTransaction", "SignTransaction", "Signature",
                              "Decrypt"];
                        deserializer.deserialize_enum("ConfirmationPayload",
                                                      VARIANTS, __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_ConfirmationPayload: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for ConfirmationPayload {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        match *self {
                            ConfirmationPayload::SendTransaction(ref __simple_value)
                            =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "ConfirmationPayload",
                                                                               0usize,
                                                                               "sendTransaction",
                                                                               __simple_value),
                            ConfirmationPayload::SignTransaction(ref __simple_value)
                            =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "ConfirmationPayload",
                                                                               1usize,
                                                                               "signTransaction",
                                                                               __simple_value),
                            ConfirmationPayload::Signature(ref __simple_value) =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "ConfirmationPayload",
                                                                               2usize,
                                                                               "sign",
                                                                               __simple_value),
                            ConfirmationPayload::Decrypt(ref __simple_value) =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "ConfirmationPayload",
                                                                               3usize,
                                                                               "decrypt",
                                                                               __simple_value),
                        }
                    }
                }
            };
        /// Confirmation payload, i.e. the thing to be confirmed
        #[derive(Hash, PartialEq, Eq, Clone, Debug)]
        pub enum ConfirmationPayload {

            /// Send Transaction
            SendTransaction(TransactionRequest),

            /// Sign Transaction
            SignTransaction(TransactionRequest),

            /// Signature
            Signature(SignRequest),

            /// Decryption
            Decrypt(DecryptRequest),
        }
        impl From<helpers::ConfirmationPayload> for ConfirmationPayload {
            fn from(c: helpers::ConfirmationPayload) -> Self {
                match c {
                    helpers::ConfirmationPayload::SendTransaction(t) =>
                    ConfirmationPayload::SendTransaction(t.into()),
                    helpers::ConfirmationPayload::SignTransaction(t) =>
                    ConfirmationPayload::SignTransaction(t.into()),
                    helpers::ConfirmationPayload::Signature(address, data) =>
                    ConfirmationPayload::Signature(SignRequest{address:
                                                                   address.into(),
                                                               data:
                                                                   data.into(),}),
                    helpers::ConfirmationPayload::Decrypt(address, msg) =>
                    ConfirmationPayload::Decrypt(DecryptRequest{address:
                                                                    address.into(),
                                                                msg:
                                                                    msg.into(),}),
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_TransactionModification: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for TransactionModification {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<TransactionModification, __D::Error>
                     where __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field { __field0, __field1, __field2, __field3, }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            2usize => { Ok(__Field::__field2) }
                                            3usize => { Ok(__Field::__field3) }
                                            _ =>
                                            Err(_serde::de::Error::invalid_value("expected a field")),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "sender" => { Ok(__Field::__field0) }
                                            "gasPrice" => {
                                                Ok(__Field::__field1)
                                            }
                                            "gas" => { Ok(__Field::__field2) }
                                            "minBlock" => {
                                                Ok(__Field::__field3)
                                            }
                                            _ =>
                                            Err(_serde::de::Error::unknown_field(value)),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"sender" => { Ok(__Field::__field0) }
                                            b"gasPrice" => {
                                                Ok(__Field::__field1)
                                            }
                                            b"gas" => { Ok(__Field::__field2) }
                                            b"minBlock" => {
                                                Ok(__Field::__field3)
                                            }
                                            _ => {
                                                let value =
                                                    ::std::string::String::from_utf8_lossy(value);
                                                Err(_serde::de::Error::unknown_field(&value))
                                            }
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            TransactionModification;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             ->
                                 ::std::result::Result<TransactionModification,
                                                       __V::Error> where
                             __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < Option < H160
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                let __field2 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(2usize));
                                        }
                                    };
                                let __field3 =
                                    match try!(visitor . visit :: < Option <
                                               Option < BlockNumber > > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(3usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(TransactionModification{sender: __field0,
                                                           gas_price: __field1,
                                                           gas: __field2,
                                                           min_block: __field3,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             ->
                                 ::std::result::Result<TransactionModification,
                                                       __V::Error> where
                             __V: _serde::de::MapVisitor {
                                let mut __field0: Option<Option<H160>> = None;
                                let mut __field1: Option<Option<U256>> = None;
                                let mut __field2: Option<Option<U256>> = None;
                                let mut __field3:
                                        Option<Option<Option<BlockNumber>>> =
                                    None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("sender"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < H160 > > (
                                                          )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("gasPrice"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field2 => {
                                            if __field2.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("gas"));
                                            }
                                            __field2 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field3 => {
                                            if __field3.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("minBlock"));
                                            }
                                            __field3 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < Option <
                                                          BlockNumber > > > (
                                                          )));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "sender"
                                             )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "gasPrice"
                                             )),
                                    };
                                let __field2 =
                                    match __field2 {
                                        Some(__field2) => __field2,
                                        None =>
                                        try!(visitor . missing_field ( "gas" )),
                                    };
                                let __field3 =
                                    match __field3 {
                                        Some(__field3) => __field3,
                                        None =>
                                        try!(visitor . missing_field ( "minBlock"
                                             )),
                                    };
                                Ok(TransactionModification{sender: __field0,
                                                           gas_price: __field1,
                                                           gas: __field2,
                                                           min_block: __field3,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["sender", "gas_price", "gas", "min_block"];
                        deserializer.deserialize_struct("TransactionModification",
                                                        FIELDS, __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_TransactionModification: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for TransactionModification {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "TransactionModification" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "sender" , & self . sender ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gasPrice" , & self . gas_price
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gas" , & self . gas ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "minBlock" , & self . min_block
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Possible modifications to the confirmed transaction sent by `Trusted Signer`
        #[derive(PartialEq, Debug)]
        pub struct TransactionModification {
            /// Modified transaction sender
            pub sender: Option<H160>,
            /// Modified gas price
            pub gas_price: Option<U256>,
            /// Modified gas
            pub gas: Option<U256>,
            /// Modified min block
            pub min_block: Option<Option<BlockNumber>>,
        }
        /// Represents two possible return values.
        #[derive(Clone, Debug)]
        pub enum Either<A, B> where A: fmt::Debug + Clone, B: fmt::Debug + Clone {

            /// Primary value
            Either(A),

            /// Secondary value
            Or(B),
        }
        impl <A, B> From<A> for Either<A, B> where A: fmt::Debug + Clone,
         B: fmt::Debug + Clone {
            fn from(a: A) -> Self { Either::Either(a) }
        }
        impl <A, B> Serialize for Either<A, B> where A: Serialize + fmt::Debug +
         Clone, B: Serialize + fmt::Debug + Clone {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                match *self {
                    Either::Either(ref a) => a.serialize(serializer),
                    Either::Or(ref b) => b.serialize(serializer),
                }
            }
        }
        #[cfg(test)]
        mod tests {
            use std::str::FromStr;
            use serde_json;
            use v1::types::{U256, H256, BlockNumber};
            use v1::helpers;
            use super::*;
            #[test]
            fn should_serialize_sign_confirmation() {
                let request =
                    helpers::ConfirmationRequest{id: 15.into(),
                                                 payload:
                                                     helpers::ConfirmationPayload::Signature(1.into(),
                                                                                             vec!(5).into()),};
                let res =
                    serde_json::to_string(&ConfirmationRequest::from(request));
                let expected =
                    r#"{"id":"0xf","payload":{"sign":{"address":"0x0000000000000000000000000000000000000001","data":"0x05"}}}"#;
                assert_eq!(res . unwrap (  ) , expected . to_owned (  ));
            }
            #[test]
            fn should_serialize_transaction_confirmation() {
                let request =
                    helpers::ConfirmationRequest{id: 15.into(),
                                                 payload:
                                                     helpers::ConfirmationPayload::SendTransaction(helpers::FilledTransactionRequest{from:
                                                                                                                                         0.into(),
                                                                                                                                     used_default_from:
                                                                                                                                         false,
                                                                                                                                     to:
                                                                                                                                         None,
                                                                                                                                     gas:
                                                                                                                                         15000.into(),
                                                                                                                                     gas_price:
                                                                                                                                         10000.into(),
                                                                                                                                     value:
                                                                                                                                         100000.into(),
                                                                                                                                     data:
                                                                                                                                         vec!(1
                                                                                                                                              ,
                                                                                                                                              2
                                                                                                                                              ,
                                                                                                                                              3),
                                                                                                                                     nonce:
                                                                                                                                         Some(1.into()),
                                                                                                                                     min_block:
                                                                                                                                         None,}),};
                let res =
                    serde_json::to_string(&ConfirmationRequest::from(request));
                let expected =
                    r#"{"id":"0xf","payload":{"sendTransaction":{"from":"0x0000000000000000000000000000000000000000","to":null,"gasPrice":"0x2710","gas":"0x3a98","value":"0x186a0","data":"0x010203","nonce":"0x1","minBlock":null}}}"#;
                assert_eq!(res . unwrap (  ) , expected . to_owned (  ));
            }
            #[test]
            fn should_serialize_sign_transaction_confirmation() {
                let request =
                    helpers::ConfirmationRequest{id: 15.into(),
                                                 payload:
                                                     helpers::ConfirmationPayload::SignTransaction(helpers::FilledTransactionRequest{from:
                                                                                                                                         0.into(),
                                                                                                                                     used_default_from:
                                                                                                                                         false,
                                                                                                                                     to:
                                                                                                                                         None,
                                                                                                                                     gas:
                                                                                                                                         15000.into(),
                                                                                                                                     gas_price:
                                                                                                                                         10000.into(),
                                                                                                                                     value:
                                                                                                                                         100000.into(),
                                                                                                                                     data:
                                                                                                                                         vec!(1
                                                                                                                                              ,
                                                                                                                                              2
                                                                                                                                              ,
                                                                                                                                              3),
                                                                                                                                     nonce:
                                                                                                                                         Some(1.into()),
                                                                                                                                     min_block:
                                                                                                                                         None,}),};
                let res =
                    serde_json::to_string(&ConfirmationRequest::from(request));
                let expected =
                    r#"{"id":"0xf","payload":{"signTransaction":{"from":"0x0000000000000000000000000000000000000000","to":null,"gasPrice":"0x2710","gas":"0x3a98","value":"0x186a0","data":"0x010203","nonce":"0x1","minBlock":null}}}"#;
                assert_eq!(res . unwrap (  ) , expected . to_owned (  ));
            }
            #[test]
            fn should_serialize_decrypt_confirmation() {
                let request =
                    helpers::ConfirmationRequest{id: 15.into(),
                                                 payload:
                                                     helpers::ConfirmationPayload::Decrypt(10.into(),
                                                                                           vec!(1
                                                                                                ,
                                                                                                2
                                                                                                ,
                                                                                                3).into()),};
                let res =
                    serde_json::to_string(&ConfirmationRequest::from(request));
                let expected =
                    r#"{"id":"0xf","payload":{"decrypt":{"address":"0x000000000000000000000000000000000000000a","msg":"0x010203"}}}"#;
                assert_eq!(res . unwrap (  ) , expected . to_owned (  ));
            }
            #[test]
            fn should_deserialize_modification() {
                let s1 =
                    r#"{
    			"sender": "0x000000000000000000000000000000000000000a",
    			"gasPrice":"0xba43b7400",
    			"minBlock":"0x42"
    		}"#;
                let s2 = r#"{"gas": "0x1233"}"#;
                let s3 = r#"{}"#;
                let res1: TransactionModification =
                    serde_json::from_str(s1).unwrap();
                let res2: TransactionModification =
                    serde_json::from_str(s2).unwrap();
                let res3: TransactionModification =
                    serde_json::from_str(s3).unwrap();
                assert_eq!(res1 , TransactionModification {
                           sender : Some ( 10 . into (  ) ) , gas_price : Some (
                           U256 :: from_str ( "0ba43b7400" ) . unwrap (  ) ) , gas
                           : None , min_block : Some (
                           Some ( BlockNumber :: Num ( 0x42 ) ) ) , });
                assert_eq!(res2 , TransactionModification {
                           sender : None , gas_price : None , gas : Some (
                           U256 :: from_str ( "1233" ) . unwrap (  ) ) , min_block
                           : None , });
                assert_eq!(res3 , TransactionModification {
                           sender : None , gas_price : None , gas : None ,
                           min_block : None , });
            }
            #[test]
            fn should_serialize_confirmation_response_with_token() {
                let response =
                    ConfirmationResponseWithToken{result:
                                                      ConfirmationResponse::SendTransaction(H256::default()),
                                                  token: "test-token".into(),};
                let res = serde_json::to_string(&response);
                let expected =
                    r#"{"result":"0x0000000000000000000000000000000000000000000000000000000000000000","token":"test-token"}"#;
                assert_eq!(res . unwrap (  ) , expected . to_owned (  ));
            }
        }
    }
    mod dapp_id {
        //! Dapp Id type
        use ethcore::account_provider::DappId as EthDappId;
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_DappId: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for DappId {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<DappId, __D::Error> where
                     __D: _serde::de::Deserializer {
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            DappId;
                            #[inline]
                            fn visit_newtype_struct<__E>(&mut self, __e: &mut __E)
                             -> ::std::result::Result<Self::Value, __E::Error>
                             where __E: _serde::de::Deserializer {
                                Ok(DappId(try!(< String as _serde :: Deserialize >
                                               :: deserialize ( __e ))))
                            }
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<DappId, __V::Error> where
                             __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < String > (  ))
                                        {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(DappId(__field0))
                            }
                        }
                        deserializer.deserialize_newtype_struct("DappId",
                                                                __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_DappId: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for DappId {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        _serializer.serialize_newtype_struct("DappId", &self.0)
                    }
                }
            };
        /// Dapplication Internal Id
        #[derive(PartialOrd, Ord, Hash, PartialEq, Eq, Clone, Default, Debug)]
        pub struct DappId(pub String);
        impl Into<String> for DappId {
            fn into(self) -> String { self.0 }
        }
        impl From<String> for DappId {
            fn from(s: String) -> Self { DappId(s) }
        }
        impl From<EthDappId> for DappId {
            fn from(id: EthDappId) -> Self { DappId(id.into()) }
        }
        impl Into<EthDappId> for DappId {
            fn into(self) -> EthDappId { Into::<String>::into(self).into() }
        }
        #[cfg(test)]
        mod tests {
            use serde_json;
            use super::DappId;
            #[test]
            fn should_serialize_dapp_id() {
                let id = DappId("testapp".into());
                let res = serde_json::to_string(&id).unwrap();
                assert_eq!(res , r#""testapp""#);
            }
            #[test]
            fn should_deserialize_dapp_id() {
                let id = r#""testapp""#;
                let res: DappId = serde_json::from_str(id).unwrap();
                assert_eq!(res , DappId ( "testapp" . into (  ) ));
            }
        }
    }
    mod filter {
        use serde::{Deserialize, Deserializer, Serialize, Serializer, Error};
        use serde_json::value;
        use jsonrpc_core::Value;
        use ethcore::filter::Filter as EthFilter;
        use ethcore::client::BlockId;
        use v1::types::{BlockNumber, H160, H256, Log};
        /// Variadic value
        #[derive(Clone, PartialEq, Debug)]
        pub enum VariadicValue<T> where T: Deserialize {

            /// Single
            Single(T),

            /// List
            Multiple(Vec<T>),

            /// None
            Null,
        }
        impl <T> Deserialize for VariadicValue<T> where T: Deserialize {
            fn deserialize<D>(deserializer: &mut D)
             -> Result<VariadicValue<T>, D::Error> where D: Deserializer {
                let v = Value::deserialize(deserializer)?;
                if v.is_null() { return Ok(VariadicValue::Null); }
                Deserialize::deserialize(&mut value::Deserializer::new(v.clone())).map(VariadicValue::Single).or_else(|_|
                                                                                                                          Deserialize::deserialize(&mut value::Deserializer::new(v.clone())).map(VariadicValue::Multiple)).map_err(|_|
                                                                                                                                                                                                                                       Error::custom(""))
            }
        }
        /// Filter Address
        pub type FilterAddress = VariadicValue<H160>;
        /// Topic
        pub type Topic = VariadicValue<H256>;
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_Filter: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for Filter {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<Filter, __D::Error> where
                     __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field {
                            __field0,
                            __field1,
                            __field2,
                            __field3,
                            __field4,
                        }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            2usize => { Ok(__Field::__field2) }
                                            3usize => { Ok(__Field::__field3) }
                                            4usize => { Ok(__Field::__field4) }
                                            _ =>
                                            Err(_serde::de::Error::invalid_value("expected a field")),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "fromBlock" => {
                                                Ok(__Field::__field0)
                                            }
                                            "toBlock" => { Ok(__Field::__field1) }
                                            "address" => { Ok(__Field::__field2) }
                                            "topics" => { Ok(__Field::__field3) }
                                            "limit" => { Ok(__Field::__field4) }
                                            _ =>
                                            Err(_serde::de::Error::unknown_field(value)),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"fromBlock" => {
                                                Ok(__Field::__field0)
                                            }
                                            b"toBlock" => {
                                                Ok(__Field::__field1)
                                            }
                                            b"address" => {
                                                Ok(__Field::__field2)
                                            }
                                            b"topics" => { Ok(__Field::__field3) }
                                            b"limit" => { Ok(__Field::__field4) }
                                            _ => {
                                                let value =
                                                    ::std::string::String::from_utf8_lossy(value);
                                                Err(_serde::de::Error::unknown_field(&value))
                                            }
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            Filter;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<Filter, __V::Error> where
                             __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < Option <
                                               BlockNumber > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < Option <
                                               BlockNumber > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                let __field2 =
                                    match try!(visitor . visit :: < Option <
                                               FilterAddress > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(2usize));
                                        }
                                    };
                                let __field3 =
                                    match try!(visitor . visit :: < Option < Vec <
                                               Topic > > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(3usize));
                                        }
                                    };
                                let __field4 =
                                    match try!(visitor . visit :: < Option < usize
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(4usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(Filter{from_block: __field0,
                                          to_block: __field1,
                                          address: __field2,
                                          topics: __field3,
                                          limit: __field4,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<Filter, __V::Error> where
                             __V: _serde::de::MapVisitor {
                                let mut __field0: Option<Option<BlockNumber>> =
                                    None;
                                let mut __field1: Option<Option<BlockNumber>> =
                                    None;
                                let mut __field2: Option<Option<FilterAddress>> =
                                    None;
                                let mut __field3: Option<Option<Vec<Topic>>> =
                                    None;
                                let mut __field4: Option<Option<usize>> = None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("fromBlock"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < BlockNumber >
                                                          > (  )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("toBlock"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < BlockNumber >
                                                          > (  )));
                                        }
                                        __Field::__field2 => {
                                            if __field2.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("address"));
                                            }
                                            __field2 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < FilterAddress
                                                          > > (  )));
                                        }
                                        __Field::__field3 => {
                                            if __field3.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("topics"));
                                            }
                                            __field3 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < Vec < Topic >
                                                          > > (  )));
                                        }
                                        __Field::__field4 => {
                                            if __field4.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("limit"));
                                            }
                                            __field4 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < usize > > (
                                                          )));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "fromBlock"
                                             )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "toBlock"
                                             )),
                                    };
                                let __field2 =
                                    match __field2 {
                                        Some(__field2) => __field2,
                                        None =>
                                        try!(visitor . missing_field ( "address"
                                             )),
                                    };
                                let __field3 =
                                    match __field3 {
                                        Some(__field3) => __field3,
                                        None =>
                                        try!(visitor . missing_field ( "topics"
                                             )),
                                    };
                                let __field4 =
                                    match __field4 {
                                        Some(__field4) => __field4,
                                        None =>
                                        try!(visitor . missing_field ( "limit" )),
                                    };
                                Ok(Filter{from_block: __field0,
                                          to_block: __field1,
                                          address: __field2,
                                          topics: __field3,
                                          limit: __field4,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["from_block", "to_block", "address", "topics",
                              "limit"];
                        deserializer.deserialize_struct("Filter", FIELDS,
                                                        __Visitor)
                    }
                }
            };
        /// Filter
        #[derive(Clone, PartialEq, Debug)]
        pub struct Filter {
            /// From Block
            pub from_block: Option<BlockNumber>,
            /// To Block
            pub to_block: Option<BlockNumber>,
            /// Address
            pub address: Option<FilterAddress>,
            /// Topics
            pub topics: Option<Vec<Topic>>,
            /// Limit
            pub limit: Option<usize>,
        }
        impl Into<EthFilter> for Filter {
            fn into(self) -> EthFilter {
                EthFilter{from_block:
                              self.from_block.map_or_else(|| BlockId::Latest,
                                                          Into::into),
                          to_block:
                              self.to_block.map_or_else(|| BlockId::Latest,
                                                        Into::into),
                          address:
                              self.address.and_then(|address|
                                                        match address {
                                                            VariadicValue::Null =>
                                                            None,
                                                            VariadicValue::Single(a)
                                                            =>
                                                            Some(vec!(a . into (
                                                                      ))),
                                                            VariadicValue::Multiple(a)
                                                            =>
                                                            Some(a.into_iter().map(Into::into).collect()),
                                                        }),
                          topics:
                              {
                                  let mut iter =
                                      self.topics.map_or_else(Vec::new,
                                                              |topics|
                                                                  topics.into_iter().take(4).map(|topic|
                                                                                                     match topic
                                                                                                         {
                                                                                                         VariadicValue::Null
                                                                                                         =>
                                                                                                         None,
                                                                                                         VariadicValue::Single(t)
                                                                                                         =>
                                                                                                         Some(vec!(t
                                                                                                                   .
                                                                                                                   into
                                                                                                                   (

                                                                                                                   ))),
                                                                                                         VariadicValue::Multiple(t)
                                                                                                         =>
                                                                                                         Some(t.into_iter().map(Into::into).collect()),
                                                                                                     }).collect()).into_iter();
                                  vec!(iter . next (  ) . unwrap_or ( None ) ,
                                       iter . next (  ) . unwrap_or ( None ) ,
                                       iter . next (  ) . unwrap_or ( None ) ,
                                       iter . next (  ) . unwrap_or ( None ))
                              },
                          limit: self.limit,}
            }
        }
        /// Results of the filter_changes RPC.
        #[derive(PartialEq, Debug)]
        pub enum FilterChanges {

            /// New logs.
            Logs(Vec<Log>),

            /// New hashes (block or transactions)
            Hashes(Vec<H256>),

            /// Empty result,
            Empty,
        }
        impl Serialize for FilterChanges {
            fn serialize<S>(&self, s: &mut S) -> Result<(), S::Error> where
             S: Serializer {
                match *self {
                    FilterChanges::Logs(ref logs) => logs.serialize(s),
                    FilterChanges::Hashes(ref hashes) => hashes.serialize(s),
                    FilterChanges::Empty => (&[] as &[Value]).serialize(s),
                }
            }
        }
        #[cfg(test)]
        mod tests {
            use serde_json;
            use std::str::FromStr;
            use util::hash::H256;
            use super::{VariadicValue, Topic, Filter};
            use v1::types::BlockNumber;
            use ethcore::filter::Filter as EthFilter;
            use ethcore::client::BlockId;
            #[test]
            fn topic_deserialization() {
                let s =
                    r#"["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", "0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc"]]"#;
                let deserialized: Vec<Topic> = serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , vec ! [
                           VariadicValue :: Single (
                           H256 :: from_str (
                           "000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b"
                           ) . unwrap (  ) . into (  ) ) , VariadicValue :: Null ,
                           VariadicValue :: Multiple (
                           vec ! [
                           H256 :: from_str (
                           "000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b"
                           ) . unwrap (  ) . into (  ) , H256 :: from_str (
                           "0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc"
                           ) . unwrap (  ) . into (  ) , ] ) ]);
            }
            #[test]
            fn filter_deserialization() {
                let s = r#"{"fromBlock":"earliest","toBlock":"latest"}"#;
                let deserialized: Filter = serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , Filter {
                           from_block : Some ( BlockNumber :: Earliest ) ,
                           to_block : Some ( BlockNumber :: Latest ) , address :
                           None , topics : None , limit : None , });
            }
            #[test]
            fn filter_conversion() {
                let filter =
                    Filter{from_block: Some(BlockNumber::Earliest),
                           to_block: Some(BlockNumber::Latest),
                           address: Some(VariadicValue::Multiple(vec!())),
                           topics:
                               Some(vec!(VariadicValue :: Null , VariadicValue ::
                                         Single (
                                         "000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b"
                                         . into (  ) ) , VariadicValue :: Null
                                         ,)),
                           limit: None,};
                let eth_filter: EthFilter = filter.into();
                assert_eq!(eth_filter , EthFilter {
                           from_block : BlockId :: Earliest , to_block : BlockId
                           :: Latest , address : Some ( vec ! [  ] ) , topics :
                           vec ! [
                           None , Some (
                           vec ! [
                           "000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b"
                           . into (  ) ] ) , None , None , ] , limit : None , });
            }
        }
    }
    mod hash {
        use std::fmt;
        use std::str::FromStr;
        use std::cmp::Ordering;
        use std::hash::{Hash, Hasher};
        use serde;
        use rustc_serialize::hex::{ToHex, FromHex};
        use util::{H64 as Eth64, H160 as Eth160, H256 as Eth256, H520 as Eth520,
                   H512 as Eth512, H2048 as Eth2048};
        macro_rules! impl_hash(( $ name : ident , $ other : ident , $ size : expr
                               ) => {
                               /// Hash serialization
                                pub struct $ name ( pub [ u8 ; $ size ] ) ; impl
                               Eq for $ name {  } impl Default for $ name {
                               fn default (  ) -> Self { $ name ( [ 0 ; $ size ] )
                               } } impl fmt :: Debug for $ name {
                               fn fmt ( & self , f : & mut fmt :: Formatter ) ->
                               Result < (  ) , fmt :: Error > {
                               write ! ( f , "{}" , self . 0 . to_hex (  ) ) } }
                               impl < T > From < T > for $ name where $ other :
                               From < T > {
                               fn from ( o : T ) -> Self {
                               $ name ( $ other :: from ( o ) . 0 ) } } impl
                               FromStr for $ name {
                               type Err = < $ other as FromStr > :: Err ; fn
                               from_str ( s : & str ) -> Result < Self , Self ::
                               Err > {
                               $ other :: from_str ( s ) . map (
                               | x | $ name ( x . 0 ) ) } } impl Into < $ other >
                               for $ name {
                               fn into ( self ) -> $ other { $ other ( self . 0 )
                               } } impl PartialEq for $ name {
                               fn eq ( & self , other : & Self ) -> bool {
                               let self_ref : & [ u8 ] = & self . 0 ; let
                               other_ref : & [ u8 ] = & other . 0 ; self_ref ==
                               other_ref } } impl PartialOrd for $ name {
                               fn partial_cmp ( & self , other : & Self ) ->
                               Option < Ordering > {
                               let self_ref : & [ u8 ] = & self . 0 ; let
                               other_ref : & [ u8 ] = & other . 0 ; self_ref .
                               partial_cmp ( other_ref ) } } impl Ord for $ name {
                               fn cmp ( & self , other : & Self ) -> Ordering {
                               let self_ref : & [ u8 ] = & self . 0 ; let
                               other_ref : & [ u8 ] = & other . 0 ; self_ref . cmp
                               ( other_ref ) } } impl Hash for $ name {
                               fn hash < H > ( & self , state : & mut H ) where H
                               : Hasher {
                               let self_ref : & [ u8 ] = & self . 0 ; Hash :: hash
                               ( self_ref , state ) } } impl Clone for $ name {
                               fn clone ( & self ) -> Self {
                               let mut r = [ 0 ; $ size ] ; r . copy_from_slice (
                               & self . 0 ) ; $ name ( r ) } } impl serde ::
                               Serialize for $ name {
                               fn serialize < S > ( & self , serializer : & mut S
                               ) -> Result < (  ) , S :: Error > where S : serde
                               :: Serializer {
                               let mut hex = "0x" . to_owned (  ) ; hex . push_str
                               ( & self . 0 . to_hex (  ) ) ; serializer .
                               serialize_str ( & hex ) } } impl serde ::
                               Deserialize for $ name {
                               fn deserialize < D > ( deserializer : & mut D ) ->
                               Result < $ name , D :: Error > where D : serde ::
                               Deserializer {
                               struct HashVisitor ; impl serde :: de :: Visitor
                               for HashVisitor {
                               type Value = $ name ; fn visit_str < E > (
                               & mut self , value : & str ) -> Result < Self ::
                               Value , E > where E : serde :: Error {
                               if value . len (  ) != 2 + $ size * 2 {
                               return Err (
                               serde :: Error :: custom ( "Invalid length." ) ) ;
                               } match value [ 2 .. ] . from_hex (  ) {
                               Ok ( ref v ) => {
                               let mut result = [ 0u8 ; $ size ] ; result .
                               copy_from_slice ( v ) ; Ok ( $ name ( result ) ) }
                               , _ => Err (
                               serde :: Error :: custom ( "Invalid hex value." ) )
                               } } fn visit_string < E > (
                               & mut self , value : String ) -> Result < Self ::
                               Value , E > where E : serde :: Error {
                               self . visit_str ( value . as_ref (  ) ) } }
                               deserializer . deserialize ( HashVisitor ) } } });
        impl_hash! (H64 , Eth64 , 8);
        impl_hash! (H160 , Eth160 , 20);
        impl_hash! (H256 , Eth256 , 32);
        impl_hash! (H512 , Eth512 , 64);
        impl_hash! (H520 , Eth520 , 65);
        impl_hash! (H2048 , Eth2048 , 256);
    }
    mod index {
        use serde::{Deserialize, Deserializer, Error};
        use serde::de::Visitor;
        /// Represents usize.
        #[derive(PartialEq, Debug)]
        pub struct Index(usize);
        impl Index {
            /// Convert to usize
            pub fn value(&self) -> usize { self.0 }
        }
        impl Deserialize for Index {
            fn deserialize<D>(deserializer: &mut D) -> Result<Index, D::Error>
             where D: Deserializer {
                deserializer.deserialize(IndexVisitor)
            }
        }
        struct IndexVisitor;
        impl Visitor for IndexVisitor {
            type
            Value
            =
            Index;
            fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E>
             where E: Error {
                match value {
                    _ if value.starts_with("0x") =>
                    usize::from_str_radix(&value[2..],
                                          16).map(Index).map_err(|_|
                                                                     Error::custom("invalid index")),
                    _ =>
                    value.parse::<usize>().map(Index).map_err(|_|
                                                                  Error::custom("invalid index")),
                }
            }
            fn visit_string<E>(&mut self, value: String) -> Result<Self::Value, E>
             where E: Error {
                self.visit_str(value.as_ref())
            }
        }
        #[cfg(test)]
        mod tests {
            use super::*;
            use serde_json;
            #[test]
            fn block_number_deserialization() {
                let s = r#"["0xa", "10"]"#;
                let deserialized: Vec<Index> = serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , vec ! [ Index ( 10 ) , Index ( 10 ) ]);
            }
        }
    }
    mod log {
        use ethcore::log_entry::{LocalizedLogEntry, LogEntry};
        use v1::types::{Bytes, H160, H256, U256};
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Log: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Log {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Log" , 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
                                 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "address" , & self . address
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "topics" , & self . topics ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "data" , & self . data ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "blockHash" , & self .
                             block_hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "blockNumber" , & self .
                             block_number ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "transactionHash" , & self .
                             transaction_hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "transactionIndex" , & self .
                             transaction_index ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "logIndex" , & self . log_index
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "transactionLogIndex" , & self
                             . transaction_log_index ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "type" , & self . log_type ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Log
        #[derive(Clone, Hash, Eq, PartialEq, Debug)]
        pub struct Log {
            /// H160
            pub address: H160,
            /// Topics
            pub topics: Vec<H256>,
            /// Data
            pub data: Bytes,
            /// Block Hash
            pub block_hash: Option<H256>,
            /// Block Number
            pub block_number: Option<U256>,
            /// Transaction Hash
            pub transaction_hash: Option<H256>,
            /// Transaction Index
            pub transaction_index: Option<U256>,
            /// Log Index in Block
            pub log_index: Option<U256>,
            /// Log Index in Transaction
            pub transaction_log_index: Option<U256>,
            /// Log Type
            pub log_type: String,
        }
        impl From<LocalizedLogEntry> for Log {
            fn from(e: LocalizedLogEntry) -> Log {
                Log{address: e.entry.address.into(),
                    topics: e.entry.topics.into_iter().map(Into::into).collect(),
                    data: e.entry.data.into(),
                    block_hash: Some(e.block_hash.into()),
                    block_number: Some(e.block_number.into()),
                    transaction_hash: Some(e.transaction_hash.into()),
                    transaction_index: Some(e.transaction_index.into()),
                    log_index: Some(e.log_index.into()),
                    transaction_log_index: Some(e.transaction_log_index.into()),
                    log_type: "mined".to_owned(),}
            }
        }
        impl From<LogEntry> for Log {
            fn from(e: LogEntry) -> Log {
                Log{address: e.address.into(),
                    topics: e.topics.into_iter().map(Into::into).collect(),
                    data: e.data.into(),
                    block_hash: None,
                    block_number: None,
                    transaction_hash: None,
                    transaction_index: None,
                    log_index: None,
                    transaction_log_index: None,
                    log_type: "pending".to_owned(),}
            }
        }
        #[cfg(test)]
        mod tests {
            use serde_json;
            use std::str::FromStr;
            use v1::types::{Log, H160, H256, U256};
            #[test]
            fn log_serialization() {
                let s =
                    r#"{"address":"0x33990122638b9132ca29c723bdf037f1a891a70c","topics":["0xa6697e974e6a320f454390be03f74955e8978f1a6971ea6730542e37b66179bc","0x4861736852656700000000000000000000000000000000000000000000000000"],"data":"0x","blockHash":"0xed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5","blockNumber":"0x4510c","transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","logIndex":"0x1","transactionLogIndex":"0x1","type":"mined"}"#;
                let log =
                    Log{address:
                            H160::from_str("33990122638b9132ca29c723bdf037f1a891a70c").unwrap(),
                        topics:
                            vec!(H256 :: from_str (
                                 "a6697e974e6a320f454390be03f74955e8978f1a6971ea6730542e37b66179bc"
                                 ) . unwrap (  ) , H256 :: from_str (
                                 "4861736852656700000000000000000000000000000000000000000000000000"
                                 ) . unwrap (  ) ,),
                        data: vec!().into(),
                        block_hash:
                            Some(H256::from_str("ed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5").unwrap()),
                        block_number: Some(U256::from(282892)),
                        transaction_hash: Some(H256::default()),
                        transaction_index: Some(U256::default()),
                        transaction_log_index: Some(1.into()),
                        log_index: Some(U256::from(1)),
                        log_type: "mined".to_owned(),};
                let serialized = serde_json::to_string(&log).unwrap();
                assert_eq!(serialized , s);
            }
        }
    }
    mod sync {
        use std::collections::BTreeMap;
        use ethsync::{self, PeerInfo as SyncPeerInfo, TransactionStats as
                      SyncTransactionStats};
        use serde::{Serialize, Serializer};
        use v1::types::{U256, H512};
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_SyncInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for SyncInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "SyncInfo" , 0 + 1 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "startingBlock" , & self .
                             starting_block ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "currentBlock" , & self .
                             current_block ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "highestBlock" , & self .
                             highest_block ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "warpChunksAmount" , & self .
                             warp_chunks_amount ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "warpChunksProcessed" , & self
                             . warp_chunks_processed ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Sync info
        #[derive(PartialEq, Debug, Default)]
        pub struct SyncInfo {
            /// Starting block
            pub starting_block: U256,
            /// Current block
            pub current_block: U256,
            /// Highest block seen so far
            pub highest_block: U256,
            /// Warp sync snapshot chunks total.
            pub warp_chunks_amount: Option<U256>,
            /// Warp sync snpashot chunks processed.
            pub warp_chunks_processed: Option<U256>,
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Peers: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Peers {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Peers" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "active" , & self . active ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "connected" , & self .
                             connected ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "max" , & self . max ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "peers" , & self . peers ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Peers info
        #[derive(Debug, Default)]
        pub struct Peers {
            /// Number of active peers
            pub active: usize,
            /// Number of connected peers
            pub connected: usize,
            /// Max number of peers
            pub max: u32,
            /// Detailed information on peers
            pub peers: Vec<PeerInfo>,
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_PeerInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for PeerInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "PeerInfo" , 0 + 1 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "id" , & self . id ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "name" , & self . name ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "caps" , & self . caps ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "network" , & self . network
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "protocols" , & self .
                             protocols ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Peer connection information
        #[derive(Debug, Default)]
        pub struct PeerInfo {
            /// Public node id
            pub id: Option<String>,
            /// Node client ID
            pub name: String,
            /// Capabilities
            pub caps: Vec<String>,
            /// Network information
            pub network: PeerNetworkInfo,
            /// Protocols information
            pub protocols: PeerProtocolsInfo,
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_PeerNetworkInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for PeerNetworkInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "PeerNetworkInfo" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "remoteAddress" , & self .
                             remote_address ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "localAddress" , & self .
                             local_address ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Peer network information
        #[derive(Debug, Default)]
        pub struct PeerNetworkInfo {
            /// Remote endpoint address
            pub remote_address: String,
            /// Local endpoint address
            pub local_address: String,
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_PeerProtocolsInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for PeerProtocolsInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "PeerProtocolsInfo" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "eth" , & self . eth ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "les" , & self . les ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Peer protocols information
        #[derive(Debug, Default)]
        pub struct PeerProtocolsInfo {
            /// Ethereum protocol information
            pub eth: Option<EthProtocolInfo>,
            /// LES protocol information.
            pub les: Option<LesProtocolInfo>,
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_EthProtocolInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for EthProtocolInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "EthProtocolInfo" , 0 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "version" , & self . version
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "difficulty" , & self .
                             difficulty ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "head" , & self . head ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Peer Ethereum protocol information
        #[derive(Debug, Default)]
        pub struct EthProtocolInfo {
            /// Negotiated ethereum protocol version
            pub version: u32,
            /// Peer total difficulty if known
            pub difficulty: Option<U256>,
            /// SHA3 of peer best block hash
            pub head: String,
        }
        impl From<ethsync::EthProtocolInfo> for EthProtocolInfo {
            fn from(info: ethsync::EthProtocolInfo) -> Self {
                EthProtocolInfo{version: info.version,
                                difficulty: info.difficulty.map(Into::into),
                                head: info.head.hex(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_LesProtocolInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for LesProtocolInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "LesProtocolInfo" , 0 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "version" , & self . version
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "difficulty" , & self .
                             difficulty ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "head" , & self . head ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Peer LES protocol information
        #[derive(Debug, Default)]
        pub struct LesProtocolInfo {
            /// Negotiated LES protocol version
            pub version: u32,
            /// Peer total difficulty
            pub difficulty: U256,
            /// SHA3 of peer best block hash
            pub head: String,
        }
        impl From<ethsync::LesProtocolInfo> for LesProtocolInfo {
            fn from(info: ethsync::LesProtocolInfo) -> Self {
                LesProtocolInfo{version: info.version,
                                difficulty: info.difficulty.into(),
                                head: info.head.hex(),}
            }
        }
        /// Sync status
        #[derive(PartialEq, Debug)]
        pub enum SyncStatus {

            /// Info when syncing
            Info(SyncInfo),

            /// Not syncing
            None,
        }
        impl Serialize for SyncStatus {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                match *self {
                    SyncStatus::Info(ref info) => info.serialize(serializer),
                    SyncStatus::None => false.serialize(serializer),
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_TransactionStats: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for TransactionStats {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "TransactionStats" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "firstSeen" , & self .
                             first_seen ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "propagatedTo" , & self .
                             propagated_to ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Propagation statistics for pending transaction.
        #[derive(Debug, Default)]
        pub struct TransactionStats {
            /// Block no this transaction was first seen.
            pub first_seen: u64,
            /// Peers this transaction was propagated to with count.
            pub propagated_to: BTreeMap<H512, usize>,
        }
        impl From<SyncPeerInfo> for PeerInfo {
            fn from(p: SyncPeerInfo) -> Self {
                PeerInfo{id: p.id,
                         name: p.client_version,
                         caps: p.capabilities,
                         network:
                             PeerNetworkInfo{remote_address: p.remote_address,
                                             local_address: p.local_address,},
                         protocols:
                             PeerProtocolsInfo{eth: p.eth_info.map(Into::into),
                                               les: p.les_info.map(Into::into),},}
            }
        }
        impl From<SyncTransactionStats> for TransactionStats {
            fn from(s: SyncTransactionStats) -> Self {
                TransactionStats{first_seen: s.first_seen,
                                 propagated_to:
                                     s.propagated_to.into_iter().map(|(id, count)|
                                                                         (id.into(),
                                                                          count)).collect(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_ChainStatus: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for ChainStatus {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "ChainStatus" , 0 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "blockGap" , & self . block_gap
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Chain status.
        #[derive(Debug, Default)]
        pub struct ChainStatus {
            /// Describes the gap in the blockchain, if there is one: (first, last)
            pub block_gap: Option<(U256, U256)>,
        }
        #[cfg(test)]
        mod tests {
            use serde_json;
            use std::collections::BTreeMap;
            use super::{SyncInfo, SyncStatus, Peers, TransactionStats,
                        ChainStatus};
            #[test]
            fn test_serialize_sync_info() {
                let t = SyncInfo::default();
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"startingBlock":"0x0","currentBlock":"0x0","highestBlock":"0x0","warpChunksAmount":null,"warpChunksProcessed":null}"#);
            }
            #[test]
            fn test_serialize_peers() {
                let t = Peers::default();
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"active":0,"connected":0,"max":0,"peers":[]}"#);
            }
            #[test]
            fn test_serialize_sync_status() {
                let t = SyncStatus::None;
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized , "false");
                let t = SyncStatus::Info(SyncInfo::default());
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"startingBlock":"0x0","currentBlock":"0x0","highestBlock":"0x0","warpChunksAmount":null,"warpChunksProcessed":null}"#);
            }
            #[test]
            fn test_serialize_block_gap() {
                let mut t = ChainStatus::default();
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized , r#"{"blockGap":null}"#);
                t.block_gap = Some((1.into(), 5.into()));
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized , r#"{"blockGap":["0x1","0x5"]}"#);
            }
            #[test]
            fn test_serialize_transaction_stats() {
                let stats =
                    TransactionStats{first_seen: 100,
                                     propagated_to: map!(10 . into (  ) => 50),};
                let serialized = serde_json::to_string(&stats).unwrap();
                assert_eq!(serialized ,
                           r#"{"firstSeen":100,"propagatedTo":{"0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a":50}}"#)
            }
        }
    }
    mod transaction {
        use serde::{Serialize, Serializer};
        use ethcore::miner;
        use ethcore::contract_address;
        use ethcore::transaction::{LocalizedTransaction, Action,
                                   PendingTransaction, SignedTransaction};
        use v1::helpers::errors;
        use v1::types::{Bytes, H160, H256, U256, H512, BlockNumber};
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Transaction: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Transaction {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Transaction" , 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
                                 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
                                 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "hash" , & self . hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "nonce" , & self . nonce ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "blockHash" , & self .
                             block_hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "blockNumber" , & self .
                             block_number ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "transactionIndex" , & self .
                             transaction_index ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "from" , & self . from ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "to" , & self . to ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "value" , & self . value ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gasPrice" , & self . gas_price
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gas" , & self . gas ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "input" , & self . input ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "creates" , & self . creates
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "raw" , & self . raw ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "publicKey" , & self .
                             public_key ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "networkId" , & self .
                             network_id ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "standardV" , & self .
                             standard_v ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "v" , & self . v ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "r" , & self . r ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "s" , & self . s ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "minBlock" , & self . min_block
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Transaction
        #[derive(PartialEq, Clone, Default, Debug)]
        pub struct Transaction {
            /// Hash
            pub hash: H256,
            /// Nonce
            pub nonce: U256,
            /// Block hash
            pub block_hash: Option<H256>,
            /// Block number
            pub block_number: Option<U256>,
            /// Transaction Index
            pub transaction_index: Option<U256>,
            /// Sender
            pub from: H160,
            /// Recipient
            pub to: Option<H160>,
            /// Transfered value
            pub value: U256,
            /// Gas Price
            pub gas_price: U256,
            /// Gas
            pub gas: U256,
            /// Data
            pub input: Bytes,
            /// Creates contract
            pub creates: Option<H160>,
            /// Raw transaction data
            pub raw: Bytes,
            /// Public key of the signer.
            pub public_key: Option<H512>,
            /// The network id of the transaction, if any.
            pub network_id: Option<u64>,
            /// The standardised V field of the signature (0 or 1).
            pub standard_v: U256,
            /// The standardised V field of the signature.
            pub v: U256,
            /// The R field of the signature.
            pub r: U256,
            /// The S field of the signature.
            pub s: U256,
            /// Transaction activates at specified block.
            pub min_block: Option<BlockNumber>,
        }
        /// Local Transaction Status
        #[derive(Debug)]
        pub enum LocalTransactionStatus {

            /// Transaction is pending
            Pending,

            /// Transaction is in future part of the queue
            Future,

            /// Transaction is already mined.
            Mined(Transaction),

            /// Transaction was dropped because of limit.
            Dropped(Transaction),

            /// Transaction was replaced by transaction with higher gas price.
            Replaced(Transaction, U256, H256),

            /// Transaction never got into the queue.
            Rejected(Transaction, String),

            /// Transaction is invalid.
            Invalid(Transaction),
        }
        impl Serialize for LocalTransactionStatus {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                use self::LocalTransactionStatus::*;
                let elems =
                    match *self {
                        Pending | Future => 1,
                        Mined(..) | Dropped(..) | Invalid(..) => 2,
                        Rejected(..) => 3,
                        Replaced(..) => 4,
                    };
                let status = "status";
                let transaction = "transaction";
                let mut state =
                    serializer.serialize_struct("LocalTransactionStatus", elems)?;
                match *self {
                    Pending =>
                    serializer.serialize_struct_elt(&mut state, status,
                                                    "pending")?,
                    Future =>
                    serializer.serialize_struct_elt(&mut state, status,
                                                    "future")?,
                    Mined(ref tx) => {
                        serializer.serialize_struct_elt(&mut state, status,
                                                        "mined")?;
                        serializer.serialize_struct_elt(&mut state, transaction,
                                                        tx)?;
                    }
                    Dropped(ref tx) => {
                        serializer.serialize_struct_elt(&mut state, status,
                                                        "dropped")?;
                        serializer.serialize_struct_elt(&mut state, transaction,
                                                        tx)?;
                    }
                    Invalid(ref tx) => {
                        serializer.serialize_struct_elt(&mut state, status,
                                                        "invalid")?;
                        serializer.serialize_struct_elt(&mut state, transaction,
                                                        tx)?;
                    }
                    Rejected(ref tx, ref reason) => {
                        serializer.serialize_struct_elt(&mut state, status,
                                                        "rejected")?;
                        serializer.serialize_struct_elt(&mut state, transaction,
                                                        tx)?;
                        serializer.serialize_struct_elt(&mut state, "error",
                                                        reason)?;
                    }
                    Replaced(ref tx, ref gas_price, ref hash) => {
                        serializer.serialize_struct_elt(&mut state, status,
                                                        "replaced")?;
                        serializer.serialize_struct_elt(&mut state, transaction,
                                                        tx)?;
                        serializer.serialize_struct_elt(&mut state, "hash",
                                                        hash)?;
                        serializer.serialize_struct_elt(&mut state, "gasPrice",
                                                        gas_price)?;
                    }
                }
                serializer.serialize_struct_end(state)
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_RichRawTransaction: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for RichRawTransaction {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "RichRawTransaction" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "raw" , & self . raw ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "tx" , & self . transaction ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Geth-compatible output for eth_signTransaction method
        #[derive(PartialEq, Clone, Default, Debug)]
        pub struct RichRawTransaction {
            /// Raw transaction RLP
            pub raw: Bytes,
            /// Transaction details
            pub transaction: Transaction,
        }
        impl From<SignedTransaction> for RichRawTransaction {
            fn from(t: SignedTransaction) -> Self {
                let tx: Transaction = t.into();
                RichRawTransaction{raw: tx.raw.clone(), transaction: tx,}
            }
        }
        impl From<LocalizedTransaction> for Transaction {
            fn from(mut t: LocalizedTransaction) -> Transaction {
                let signature = t.signature();
                Transaction{hash: t.hash().into(),
                            nonce: t.nonce.into(),
                            block_hash: Some(t.block_hash.clone().into()),
                            block_number: Some(t.block_number.into()),
                            transaction_index: Some(t.transaction_index.into()),
                            from: t.sender().into(),
                            to:
                                match t.action {
                                    Action::Create => None,
                                    Action::Call(ref address) =>
                                    Some(address.clone().into()),
                                },
                            value: t.value.into(),
                            gas_price: t.gas_price.into(),
                            gas: t.gas.into(),
                            input: Bytes::new(t.data.clone()),
                            creates:
                                match t.action {
                                    Action::Create =>
                                    Some(contract_address(&t.sender(),
                                                          &t.nonce).into()),
                                    Action::Call(_) => None,
                                },
                            raw: ::rlp::encode(&t.signed).to_vec().into(),
                            public_key: t.recover_public().ok().map(Into::into),
                            network_id: t.network_id(),
                            standard_v: t.standard_v().into(),
                            v: t.original_v().into(),
                            r: signature.r().into(),
                            s: signature.s().into(),
                            min_block: None,}
            }
        }
        impl From<SignedTransaction> for Transaction {
            fn from(t: SignedTransaction) -> Transaction {
                let signature = t.signature();
                Transaction{hash: t.hash().into(),
                            nonce: t.nonce.into(),
                            block_hash: None,
                            block_number: None,
                            transaction_index: None,
                            from: t.sender().into(),
                            to:
                                match t.action {
                                    Action::Create => None,
                                    Action::Call(ref address) =>
                                    Some(address.clone().into()),
                                },
                            value: t.value.into(),
                            gas_price: t.gas_price.into(),
                            gas: t.gas.into(),
                            input: Bytes::new(t.data.clone()),
                            creates:
                                match t.action {
                                    Action::Create =>
                                    Some(contract_address(&t.sender(),
                                                          &t.nonce).into()),
                                    Action::Call(_) => None,
                                },
                            raw: ::rlp::encode(&t).to_vec().into(),
                            public_key: Some(t.public_key().into()),
                            network_id: t.network_id(),
                            standard_v: t.standard_v().into(),
                            v: t.original_v().into(),
                            r: signature.r().into(),
                            s: signature.s().into(),
                            min_block: None,}
            }
        }
        impl From<PendingTransaction> for Transaction {
            fn from(t: PendingTransaction) -> Transaction {
                let mut r = Transaction::from(t.transaction);
                r.min_block = t.min_block.map(|b| BlockNumber::Num(b));
                r
            }
        }
        impl From<miner::LocalTransactionStatus> for LocalTransactionStatus {
            fn from(s: miner::LocalTransactionStatus) -> Self {
                use ethcore::miner::LocalTransactionStatus::*;
                match s {
                    Pending => LocalTransactionStatus::Pending,
                    Future => LocalTransactionStatus::Future,
                    Mined(tx) => LocalTransactionStatus::Mined(tx.into()),
                    Dropped(tx) => LocalTransactionStatus::Dropped(tx.into()),
                    Rejected(tx, err) =>
                    LocalTransactionStatus::Rejected(tx.into(),
                                                     errors::transaction_message(err)),
                    Replaced(tx, gas_price, hash) =>
                    LocalTransactionStatus::Replaced(tx.into(), gas_price.into(),
                                                     hash.into()),
                    Invalid(tx) => LocalTransactionStatus::Invalid(tx.into()),
                }
            }
        }
        #[cfg(test)]
        mod tests {
            use super::{Transaction, LocalTransactionStatus};
            use serde_json;
            #[test]
            fn test_transaction_serialize() {
                let t = Transaction::default();
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0","blockHash":null,"blockNumber":null,"transactionIndex":null,"from":"0x0000000000000000000000000000000000000000","to":null,"value":"0x0","gasPrice":"0x0","gas":"0x0","input":"0x","creates":null,"raw":"0x","publicKey":null,"networkId":null,"standardV":"0x0","v":"0x0","r":"0x0","s":"0x0","minBlock":null}"#);
            }
            #[test]
            fn test_local_transaction_status_serialize() {
                let tx_ser =
                    serde_json::to_string(&Transaction::default()).unwrap();
                let status1 = LocalTransactionStatus::Pending;
                let status2 = LocalTransactionStatus::Future;
                let status3 =
                    LocalTransactionStatus::Mined(Transaction::default());
                let status4 =
                    LocalTransactionStatus::Dropped(Transaction::default());
                let status5 =
                    LocalTransactionStatus::Invalid(Transaction::default());
                let status6 =
                    LocalTransactionStatus::Rejected(Transaction::default(),
                                                     "Just because".into());
                let status7 =
                    LocalTransactionStatus::Replaced(Transaction::default(),
                                                     5.into(), 10.into());
                assert_eq!(serde_json :: to_string ( & status1 ) . unwrap (  ) ,
                           r#"{"status":"pending"}"#);
                assert_eq!(serde_json :: to_string ( & status2 ) . unwrap (  ) ,
                           r#"{"status":"future"}"#);
                assert_eq!(serde_json :: to_string ( & status3 ) . unwrap (  ) ,
                           r#"{"status":"mined","transaction":"# . to_owned (  ) +
                           & format ! ( "{}" , tx_ser ) + r#"}"#);
                assert_eq!(serde_json :: to_string ( & status4 ) . unwrap (  ) ,
                           r#"{"status":"dropped","transaction":"# . to_owned (  )
                           + & format ! ( "{}" , tx_ser ) + r#"}"#);
                assert_eq!(serde_json :: to_string ( & status5 ) . unwrap (  ) ,
                           r#"{"status":"invalid","transaction":"# . to_owned (  )
                           + & format ! ( "{}" , tx_ser ) + r#"}"#);
                assert_eq!(serde_json :: to_string ( & status6 ) . unwrap (  ) ,
                           r#"{"status":"rejected","transaction":"# . to_owned (
                           ) + & format ! ( "{}" , tx_ser ) +
                           r#","error":"Just because"}"#);
                assert_eq!(serde_json :: to_string ( & status7 ) . unwrap (  ) ,
                           r#"{"status":"replaced","transaction":"# . to_owned (
                           ) + & format ! ( "{}" , tx_ser ) +
                           r#","hash":"0x000000000000000000000000000000000000000000000000000000000000000a","gasPrice":"0x5"}"#);
            }
        }
    }
    mod transaction_request {
        //! `TransactionRequest` type
        use v1::types::{Bytes, H160, U256, BlockNumber};
        use v1::helpers;
        use util::log::Colour;
        use std::fmt;
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_TransactionRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for TransactionRequest {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<TransactionRequest, __D::Error>
                     where __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field {
                            __field0,
                            __field1,
                            __field2,
                            __field3,
                            __field4,
                            __field5,
                            __field6,
                            __field7,
                        }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            2usize => { Ok(__Field::__field2) }
                                            3usize => { Ok(__Field::__field3) }
                                            4usize => { Ok(__Field::__field4) }
                                            5usize => { Ok(__Field::__field5) }
                                            6usize => { Ok(__Field::__field6) }
                                            7usize => { Ok(__Field::__field7) }
                                            _ =>
                                            Err(_serde::de::Error::invalid_value("expected a field")),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "from" => { Ok(__Field::__field0) }
                                            "to" => { Ok(__Field::__field1) }
                                            "gasPrice" => {
                                                Ok(__Field::__field2)
                                            }
                                            "gas" => { Ok(__Field::__field3) }
                                            "value" => { Ok(__Field::__field4) }
                                            "data" => { Ok(__Field::__field5) }
                                            "nonce" => { Ok(__Field::__field6) }
                                            "minBlock" => {
                                                Ok(__Field::__field7)
                                            }
                                            _ =>
                                            Err(_serde::de::Error::unknown_field(value)),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"from" => { Ok(__Field::__field0) }
                                            b"to" => { Ok(__Field::__field1) }
                                            b"gasPrice" => {
                                                Ok(__Field::__field2)
                                            }
                                            b"gas" => { Ok(__Field::__field3) }
                                            b"value" => { Ok(__Field::__field4) }
                                            b"data" => { Ok(__Field::__field5) }
                                            b"nonce" => { Ok(__Field::__field6) }
                                            b"minBlock" => {
                                                Ok(__Field::__field7)
                                            }
                                            _ => {
                                                let value =
                                                    ::std::string::String::from_utf8_lossy(value);
                                                Err(_serde::de::Error::unknown_field(&value))
                                            }
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            TransactionRequest;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             ->
                                 ::std::result::Result<TransactionRequest,
                                                       __V::Error> where
                             __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < Option < H160
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < Option < H160
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                let __field2 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(2usize));
                                        }
                                    };
                                let __field3 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(3usize));
                                        }
                                    };
                                let __field4 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(4usize));
                                        }
                                    };
                                let __field5 =
                                    match try!(visitor . visit :: < Option < Bytes
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(5usize));
                                        }
                                    };
                                let __field6 =
                                    match try!(visitor . visit :: < Option < U256
                                               > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(6usize));
                                        }
                                    };
                                let __field7 =
                                    match try!(visitor . visit :: < Option <
                                               BlockNumber > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(7usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(TransactionRequest{from: __field0,
                                                      to: __field1,
                                                      gas_price: __field2,
                                                      gas: __field3,
                                                      value: __field4,
                                                      data: __field5,
                                                      nonce: __field6,
                                                      min_block: __field7,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             ->
                                 ::std::result::Result<TransactionRequest,
                                                       __V::Error> where
                             __V: _serde::de::MapVisitor {
                                let mut __field0: Option<Option<H160>> = None;
                                let mut __field1: Option<Option<H160>> = None;
                                let mut __field2: Option<Option<U256>> = None;
                                let mut __field3: Option<Option<U256>> = None;
                                let mut __field4: Option<Option<U256>> = None;
                                let mut __field5: Option<Option<Bytes>> = None;
                                let mut __field6: Option<Option<U256>> = None;
                                let mut __field7: Option<Option<BlockNumber>> =
                                    None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("from"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < H160 > > (
                                                          )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("to"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < H160 > > (
                                                          )));
                                        }
                                        __Field::__field2 => {
                                            if __field2.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("gasPrice"));
                                            }
                                            __field2 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field3 => {
                                            if __field3.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("gas"));
                                            }
                                            __field3 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field4 => {
                                            if __field4.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("value"));
                                            }
                                            __field4 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field5 => {
                                            if __field5.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("data"));
                                            }
                                            __field5 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < Bytes > > (
                                                          )));
                                        }
                                        __Field::__field6 => {
                                            if __field6.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("nonce"));
                                            }
                                            __field6 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < U256 > > (
                                                          )));
                                        }
                                        __Field::__field7 => {
                                            if __field7.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("minBlock"));
                                            }
                                            __field7 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < BlockNumber >
                                                          > (  )));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "from" )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "to" )),
                                    };
                                let __field2 =
                                    match __field2 {
                                        Some(__field2) => __field2,
                                        None =>
                                        try!(visitor . missing_field ( "gasPrice"
                                             )),
                                    };
                                let __field3 =
                                    match __field3 {
                                        Some(__field3) => __field3,
                                        None =>
                                        try!(visitor . missing_field ( "gas" )),
                                    };
                                let __field4 =
                                    match __field4 {
                                        Some(__field4) => __field4,
                                        None =>
                                        try!(visitor . missing_field ( "value" )),
                                    };
                                let __field5 =
                                    match __field5 {
                                        Some(__field5) => __field5,
                                        None =>
                                        try!(visitor . missing_field ( "data" )),
                                    };
                                let __field6 =
                                    match __field6 {
                                        Some(__field6) => __field6,
                                        None =>
                                        try!(visitor . missing_field ( "nonce" )),
                                    };
                                let __field7 =
                                    match __field7 {
                                        Some(__field7) => __field7,
                                        None =>
                                        try!(visitor . missing_field ( "minBlock"
                                             )),
                                    };
                                Ok(TransactionRequest{from: __field0,
                                                      to: __field1,
                                                      gas_price: __field2,
                                                      gas: __field3,
                                                      value: __field4,
                                                      data: __field5,
                                                      nonce: __field6,
                                                      min_block: __field7,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["from", "to", "gas_price", "gas", "value", "data",
                              "nonce", "min_block"];
                        deserializer.deserialize_struct("TransactionRequest",
                                                        FIELDS, __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_TransactionRequest: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for TransactionRequest {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "TransactionRequest" , 0 + 1 + 1 + 1 + 1 + 1 + 1
                                 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "from" , & self . from ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "to" , & self . to ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gasPrice" , & self . gas_price
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gas" , & self . gas ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "value" , & self . value ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "data" , & self . data ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "nonce" , & self . nonce ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "minBlock" , & self . min_block
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Transaction request coming from RPC
        #[derive(Hash, PartialEq, Eq, Default, Clone, Debug)]
        pub struct TransactionRequest {
            /// Sender
            pub from: Option<H160>,
            /// Recipient
            pub to: Option<H160>,
            /// Gas Price
            pub gas_price: Option<U256>,
            /// Gas
            pub gas: Option<U256>,
            /// Value of transaction in wei
            pub value: Option<U256>,
            /// Additional data sent with transaction
            pub data: Option<Bytes>,
            /// Transaction's nonce
            pub nonce: Option<U256>,
            /// Delay until this block if specified.
            pub min_block: Option<BlockNumber>,
        }
        pub fn format_ether(i: U256) -> String {
            let mut string = format!("{}" , i);
            let idx = (string.len() as isize) - 18;
            if idx <= 0 {
                let mut prefix = String::from("0.");
                for _ in 0..idx.abs() { prefix.push('0'); }
                string = prefix + &string;
            } else { string.insert(idx as usize, '.'); }
            String::from(string.trim_right_matches('0').trim_right_matches('.'))
        }
        impl fmt::Display for TransactionRequest {
            fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
                let eth = self.value.unwrap_or(U256::from(0));
                match self.to {
                    Some(ref to) =>
                    write!(f , "{} ETH from {} to 0x{:?}" , Colour :: White . bold
                           (  ) . paint ( format_ether ( eth ) ) , Colour :: White
                           . bold (  ) . paint (
                           format ! ( "0x{:?}" , self . from ) ) , to),
                    None =>
                    write!(f , "{} ETH from {} for contract creation" , Colour ::
                           White . bold (  ) . paint ( format_ether ( eth ) ) ,
                           Colour :: White . bold (  ) . paint (
                           format ! ( "0x{:?}" , self . from ) ) ,),
                }
            }
        }
        impl From<helpers::TransactionRequest> for TransactionRequest {
            fn from(r: helpers::TransactionRequest) -> Self {
                TransactionRequest{from: r.from.map(Into::into),
                                   to: r.to.map(Into::into),
                                   gas_price: r.gas_price.map(Into::into),
                                   gas: r.gas.map(Into::into),
                                   value: r.value.map(Into::into),
                                   data: r.data.map(Into::into),
                                   nonce: r.nonce.map(Into::into),
                                   min_block:
                                       r.min_block.map(|b| BlockNumber::Num(b)),}
            }
        }
        impl From<helpers::FilledTransactionRequest> for TransactionRequest {
            fn from(r: helpers::FilledTransactionRequest) -> Self {
                TransactionRequest{from: Some(r.from.into()),
                                   to: r.to.map(Into::into),
                                   gas_price: Some(r.gas_price.into()),
                                   gas: Some(r.gas.into()),
                                   value: Some(r.value.into()),
                                   data: Some(r.data.into()),
                                   nonce: r.nonce.map(Into::into),
                                   min_block:
                                       r.min_block.map(|b| BlockNumber::Num(b)),}
            }
        }
        impl Into<helpers::TransactionRequest> for TransactionRequest {
            fn into(self) -> helpers::TransactionRequest {
                helpers::TransactionRequest{from: self.from.map(Into::into),
                                            to: self.to.map(Into::into),
                                            gas_price:
                                                self.gas_price.map(Into::into),
                                            gas: self.gas.map(Into::into),
                                            value: self.value.map(Into::into),
                                            data: self.data.map(Into::into),
                                            nonce: self.nonce.map(Into::into),
                                            min_block:
                                                self.min_block.and_then(|b|
                                                                            b.to_min_block_num()),}
            }
        }
        #[cfg(test)]
        mod tests {
            use std::str::FromStr;
            use rustc_serialize::hex::FromHex;
            use serde_json;
            use v1::types::{U256, H160, BlockNumber};
            use super::*;
            #[test]
            fn transaction_request_deserialize() {
                let s =
                    r#"{
    			"from":"0x0000000000000000000000000000000000000001",
    			"to":"0x0000000000000000000000000000000000000002",
    			"gasPrice":"0x1",
    			"gas":"0x2",
    			"value":"0x3",
    			"data":"0x123456",
    			"nonce":"0x4",
    			"minBlock":"0x13"
    		}"#;
                let deserialized: TransactionRequest =
                    serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , TransactionRequest {
                           from : Some ( H160 :: from ( 1 ) ) , to : Some (
                           H160 :: from ( 2 ) ) , gas_price : Some (
                           U256 :: from ( 1 ) ) , gas : Some ( U256 :: from ( 2 )
                           ) , value : Some ( U256 :: from ( 3 ) ) , data : Some (
                           vec ! [ 0x12 , 0x34 , 0x56 ] . into (  ) ) , nonce :
                           Some ( U256 :: from ( 4 ) ) , min_block : Some (
                           BlockNumber :: Num ( 0x13 ) ) , });
            }
            #[test]
            fn transaction_request_deserialize2() {
                let s =
                    r#"{
    			"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
    			"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
    			"gas": "0x76c0",
    			"gasPrice": "0x9184e72a000",
    			"value": "0x9184e72a",
    			"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
    		}"#;
                let deserialized: TransactionRequest =
                    serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , TransactionRequest {
                           from : Some (
                           H160 :: from_str (
                           "b60e8dd61c5d32be8058bb8eb970870f07233155" ) . unwrap (
                            ) ) , to : Some (
                           H160 :: from_str (
                           "d46e8dd67c5d32be8058bb8eb970870f07244567" ) . unwrap (
                            ) ) , gas_price : Some (
                           U256 :: from_str ( "9184e72a000" ) . unwrap (  ) ) ,
                           gas : Some ( U256 :: from_str ( "76c0" ) . unwrap (  )
                           ) , value : Some (
                           U256 :: from_str ( "9184e72a" ) . unwrap (  ) ) , data
                           : Some (
                           "d46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
                           . from_hex (  ) . unwrap (  ) . into (  ) ) , nonce :
                           None , min_block : None , });
            }
            #[test]
            fn transaction_request_deserialize_empty() {
                let s =
                    r#"{"from":"0x0000000000000000000000000000000000000001"}"#;
                let deserialized: TransactionRequest =
                    serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , TransactionRequest {
                           from : Some ( H160 :: from ( 1 ) . into (  ) ) , to :
                           None , gas_price : None , gas : None , value : None ,
                           data : None , nonce : None , min_block : None , });
            }
            #[test]
            fn transaction_request_deserialize_test() {
                let s =
                    r#"{
    			"from":"0xb5f7502a2807cb23615c7456055e1d65b2508625",
    			"to":"0x895d32f2db7d01ebb50053f9e48aacf26584fe40",
    			"data":"0x8595bab1",
    			"gas":"0x2fd618",
    			"gasPrice":"0x0ba43b7400"
    		}"#;
                let deserialized: TransactionRequest =
                    serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , TransactionRequest {
                           from : Some (
                           H160 :: from_str (
                           "b5f7502a2807cb23615c7456055e1d65b2508625" ) . unwrap (
                            ) ) , to : Some (
                           H160 :: from_str (
                           "895d32f2db7d01ebb50053f9e48aacf26584fe40" ) . unwrap (
                            ) ) , gas_price : Some (
                           U256 :: from_str ( "0ba43b7400" ) . unwrap (  ) ) , gas
                           : Some ( U256 :: from_str ( "2fd618" ) . unwrap (  ) )
                           , value : None , data : Some (
                           vec ! [ 0x85 , 0x95 , 0xba , 0xb1 ] . into (  ) ) ,
                           nonce : None , min_block : None , });
            }
            #[test]
            fn transaction_request_deserialize_error() {
                let s =
                    r#"{
    			"from":"0xb5f7502a2807cb23615c7456055e1d65b2508625",
    			"to":"",
    			"data":"0x8595bab1",
    			"gas":"0x2fd618",
    			"gasPrice":"0x0ba43b7400"
    		}"#;
                let deserialized = serde_json::from_str::<TransactionRequest>(s);
                assert!(deserialized . is_err (  ) ,
                        "Should be error because to is empty");
            }
            #[test]
            fn test_format_ether() {
                assert_eq!(& format_ether (
                           U256 :: from ( 1000000000000000000u64 ) ) , "1");
                assert_eq!(& format_ether ( U256 :: from ( 500000000000000000u64 )
                           ) , "0.5");
                assert_eq!(& format_ether ( U256 :: from ( 50000000000000000u64 )
                           ) , "0.05");
                assert_eq!(& format_ether ( U256 :: from ( 5000000000000000u64 ) )
                           , "0.005");
                assert_eq!(& format_ether (
                           U256 :: from ( 2000000000000000000u64 ) ) , "2");
                assert_eq!(& format_ether (
                           U256 :: from ( 2500000000000000000u64 ) ) , "2.5");
                assert_eq!(& format_ether (
                           U256 :: from ( 10000000000000000000u64 ) ) , "10");
            }
        }
    }
    mod receipt {
        use v1::types::{Log, H160, H256, H2048, U256};
        use ethcore::receipt::{Receipt as EthReceipt, RichReceipt,
                               LocalizedReceipt};
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Receipt: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Receipt {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Receipt" , 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
                                 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "transactionHash" , & self .
                             transaction_hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "transactionIndex" , & self .
                             transaction_index ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "blockHash" , & self .
                             block_hash ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "blockNumber" , & self .
                             block_number ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "cumulativeGasUsed" , & self .
                             cumulative_gas_used ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gasUsed" , & self . gas_used
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "contractAddress" , & self .
                             contract_address ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "logs" , & self . logs ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "root" , & self . state_root
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "logsBloom" , & self .
                             logs_bloom ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Receipt
        #[derive(Debug)]
        pub struct Receipt {
            /// Transaction Hash
            pub transaction_hash: Option<H256>,
            /// Transaction index
            pub transaction_index: Option<U256>,
            /// Block hash
            pub block_hash: Option<H256>,
            /// Block number
            pub block_number: Option<U256>,
            /// Cumulative gas used
            pub cumulative_gas_used: U256,
            /// Gas used
            pub gas_used: Option<U256>,
            /// Contract address
            pub contract_address: Option<H160>,
            /// Logs
            pub logs: Vec<Log>,
            /// State Root
            pub state_root: Option<H256>,
            /// Logs bloom
            pub logs_bloom: H2048,
        }
        impl From<LocalizedReceipt> for Receipt {
            fn from(r: LocalizedReceipt) -> Self {
                Receipt{transaction_hash: Some(r.transaction_hash.into()),
                        transaction_index: Some(r.transaction_index.into()),
                        block_hash: Some(r.block_hash.into()),
                        block_number: Some(r.block_number.into()),
                        cumulative_gas_used: r.cumulative_gas_used.into(),
                        gas_used: Some(r.gas_used.into()),
                        contract_address: r.contract_address.map(Into::into),
                        logs: r.logs.into_iter().map(Into::into).collect(),
                        state_root: r.state_root.map(Into::into),
                        logs_bloom: r.log_bloom.into(),}
            }
        }
        impl From<RichReceipt> for Receipt {
            fn from(r: RichReceipt) -> Self {
                Receipt{transaction_hash: Some(r.transaction_hash.into()),
                        transaction_index: Some(r.transaction_index.into()),
                        block_hash: None,
                        block_number: None,
                        cumulative_gas_used: r.cumulative_gas_used.into(),
                        gas_used: Some(r.gas_used.into()),
                        contract_address: r.contract_address.map(Into::into),
                        logs: r.logs.into_iter().map(Into::into).collect(),
                        state_root: r.state_root.map(Into::into),
                        logs_bloom: r.log_bloom.into(),}
            }
        }
        impl From<EthReceipt> for Receipt {
            fn from(r: EthReceipt) -> Self {
                Receipt{transaction_hash: None,
                        transaction_index: None,
                        block_hash: None,
                        block_number: None,
                        cumulative_gas_used: r.gas_used.into(),
                        gas_used: None,
                        contract_address: None,
                        logs: r.logs.into_iter().map(Into::into).collect(),
                        state_root: r.state_root.map(Into::into),
                        logs_bloom: r.log_bloom.into(),}
            }
        }
        #[cfg(test)]
        mod tests {
            use serde_json;
            use v1::types::{Log, Receipt};
            #[test]
            fn receipt_serialization() {
                let s =
                    r#"{"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","blockHash":"0xed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5","blockNumber":"0x4510c","cumulativeGasUsed":"0x20","gasUsed":"0x10","contractAddress":null,"logs":[{"address":"0x33990122638b9132ca29c723bdf037f1a891a70c","topics":["0xa6697e974e6a320f454390be03f74955e8978f1a6971ea6730542e37b66179bc","0x4861736852656700000000000000000000000000000000000000000000000000"],"data":"0x","blockHash":"0xed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5","blockNumber":"0x4510c","transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x0","logIndex":"0x1","transactionLogIndex":null,"type":"mined"}],"root":"0x000000000000000000000000000000000000000000000000000000000000000a","logsBloom":" "}"#;
                let receipt =
                    Receipt{transaction_hash: Some(0.into()),
                            transaction_index: Some(0.into()),
                            block_hash:
                                Some("ed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5".parse().unwrap()),
                            block_number: Some(282892.into()),
                            cumulative_gas_used: 32.into(),
                            gas_used: Some(16.into()),
                            contract_address: None,
                            logs:
                                vec!(Log {
                                     address :
                                     "33990122638b9132ca29c723bdf037f1a891a70c" .
                                     parse (  ) . unwrap (  ) , topics : vec ! [
                                     "a6697e974e6a320f454390be03f74955e8978f1a6971ea6730542e37b66179bc"
                                     . parse (  ) . unwrap (  ) ,
                                     "4861736852656700000000000000000000000000000000000000000000000000"
                                     . parse (  ) . unwrap (  ) , ] , data : vec !
                                     [  ] . into (  ) , block_hash : Some (
                                     "ed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5"
                                     . parse (  ) . unwrap (  ) ) , block_number :
                                     Some ( 0x4510c . into (  ) ) ,
                                     transaction_hash : Some ( 0 . into (  ) ) ,
                                     transaction_index : Some ( 0 . into (  ) ) ,
                                     transaction_log_index : None , log_index :
                                     Some ( 1 . into (  ) ) , log_type : "mined" .
                                     into (  ) , }),
                            logs_bloom: 15.into(),
                            state_root: Some(10.into()),};
                let serialized = serde_json::to_string(&receipt).unwrap();
                assert_eq!(serialized , s);
            }
        }
    }
    mod rpc_settings {
        //! RPC Settings data.
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_RpcSettings: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for RpcSettings {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<RpcSettings, __D::Error> where
                     __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field { __field0, __field1, __field2, }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            2usize => { Ok(__Field::__field2) }
                                            _ =>
                                            Err(_serde::de::Error::invalid_value("expected a field")),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "enabled" => { Ok(__Field::__field0) }
                                            "interface" => {
                                                Ok(__Field::__field1)
                                            }
                                            "port" => { Ok(__Field::__field2) }
                                            _ =>
                                            Err(_serde::de::Error::unknown_field(value)),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"enabled" => {
                                                Ok(__Field::__field0)
                                            }
                                            b"interface" => {
                                                Ok(__Field::__field1)
                                            }
                                            b"port" => { Ok(__Field::__field2) }
                                            _ => {
                                                let value =
                                                    ::std::string::String::from_utf8_lossy(value);
                                                Err(_serde::de::Error::unknown_field(&value))
                                            }
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            RpcSettings;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<RpcSettings, __V::Error>
                             where __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < bool > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < String > (  ))
                                        {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                let __field2 =
                                    match try!(visitor . visit :: < u64 > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(2usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(RpcSettings{enabled: __field0,
                                               interface: __field1,
                                               port: __field2,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<RpcSettings, __V::Error>
                             where __V: _serde::de::MapVisitor {
                                let mut __field0: Option<bool> = None;
                                let mut __field1: Option<String> = None;
                                let mut __field2: Option<u64> = None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("enabled"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < bool > (  )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("interface"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < String > (  )));
                                        }
                                        __Field::__field2 => {
                                            if __field2.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("port"));
                                            }
                                            __field2 =
                                                Some(try!(visitor . visit_value ::
                                                          < u64 > (  )));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "enabled"
                                             )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "interface"
                                             )),
                                    };
                                let __field2 =
                                    match __field2 {
                                        Some(__field2) => __field2,
                                        None =>
                                        try!(visitor . missing_field ( "port" )),
                                    };
                                Ok(RpcSettings{enabled: __field0,
                                               interface: __field1,
                                               port: __field2,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["enabled", "interface", "port"];
                        deserializer.deserialize_struct("RpcSettings", FIELDS,
                                                        __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_RpcSettings: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for RpcSettings {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "RpcSettings" , 0 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "enabled" , & self . enabled
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "interface" , & self .
                             interface ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "port" , & self . port ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Values of RPC settings.
        pub struct RpcSettings {
            /// Whether RPC is enabled.
            pub enabled: bool,
            /// The interface being listened on.
            pub interface: String,
            /// The port being listened on.
            pub port: u64,
        }
    }
    mod trace {
        use std::collections::BTreeMap;
        use serde::{Serialize, Serializer};
        use ethcore::trace::{FlatTrace, LocalizedTrace as EthLocalizedTrace,
                             trace, TraceError};
        use ethcore::trace as et;
        use ethcore::state_diff;
        use ethcore::account_diff;
        use ethcore::executed;
        use ethcore::client::Executed;
        use util::Uint;
        use v1::types::{Bytes, H160, H256, U256};
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_MemoryDiff: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for MemoryDiff {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "MemoryDiff" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "off" , & self . off ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "data" , & self . data ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        #[derive(Debug)]
        /// A diff of some chunk of memory.
        pub struct MemoryDiff {
            /// Offset into memory the change begins.
            pub off: usize,
            /// The changed data.
            pub data: Bytes,
        }
        impl From<et::MemoryDiff> for MemoryDiff {
            fn from(c: et::MemoryDiff) -> Self {
                MemoryDiff{off: c.offset, data: c.data.into(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_StorageDiff: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for StorageDiff {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "StorageDiff" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "key" , & self . key ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "val" , & self . val ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        #[derive(Debug)]
        /// A diff of some storage value.
        pub struct StorageDiff {
            /// Which key in storage is changed.
            pub key: U256,
            /// What the value has been changed to.
            pub val: U256,
        }
        impl From<et::StorageDiff> for StorageDiff {
            fn from(c: et::StorageDiff) -> Self {
                StorageDiff{key: c.location.into(), val: c.value.into(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_VMExecutedOperation: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for VMExecutedOperation {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "VMExecutedOperation" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "used" , & self . used ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "push" , & self . push ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "mem" , & self . mem ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "store" , & self . store ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        #[derive(Debug)]
        /// A record of an executed VM operation.
        pub struct VMExecutedOperation {
            /// The total gas used.
            pub used: u64,
            /// The stack item placed, if any.
            pub push: Vec<U256>,
            /// If altered, the memory delta.
            pub mem: Option<MemoryDiff>,
            /// The altered storage value, if any.
            pub store: Option<StorageDiff>,
        }
        impl From<et::VMExecutedOperation> for VMExecutedOperation {
            fn from(c: et::VMExecutedOperation) -> Self {
                VMExecutedOperation{used: c.gas_used.low_u64(),
                                    push:
                                        c.stack_push.into_iter().map(Into::into).collect(),
                                    mem: c.mem_diff.map(Into::into),
                                    store: c.store_diff.map(Into::into),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_VMOperation: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for VMOperation where
                 VMTrace: Serialize {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "VMOperation" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "pc" , & self . pc ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "cost" , & self . cost ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "ex" , & self . ex ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "sub" , & self . sub ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        #[derive(Debug)]
        /// A record of the execution of a single VM operation.
        pub struct VMOperation {
            /// The program counter.
            pub pc: usize,
            /// The gas cost for this instruction.
            pub cost: u64,
            /// Information concerning the execution of the operation.
            pub ex: Option<VMExecutedOperation>,
            /// Subordinate trace of the CALL/CREATE if applicable.
            pub sub: Option<VMTrace>,
        }
        impl From<(et::VMOperation, Option<et::VMTrace>)> for VMOperation {
            fn from(c: (et::VMOperation, Option<et::VMTrace>)) -> Self {
                VMOperation{pc: c.0.pc,
                            cost: c.0.gas_cost.low_u64(),
                            ex: c.0.executed.map(Into::into),
                            sub: c.1.map(Into::into),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_VMTrace: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for VMTrace {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "VMTrace" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "code" , & self . code ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "ops" , & self . ops ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        #[derive(Debug)]
        /// A record of a full VM trace for a CALL/CREATE.
        pub struct VMTrace {
            /// The code to be executed.
            pub code: Bytes,
            /// The operations executed.
            pub ops: Vec<VMOperation>,
        }
        impl From<et::VMTrace> for VMTrace {
            fn from(c: et::VMTrace) -> Self {
                let mut subs = c.subs.into_iter();
                let mut next_sub = subs.next();
                VMTrace{code: c.code.into(),
                        ops:
                            c.operations.into_iter().enumerate().map(|(i, op)|
                                                                         (op,
                                                                          {
                                                                              let have_sub =
                                                                                  next_sub.is_some()
                                                                                      &&
                                                                                      next_sub.as_ref().unwrap().parent_step
                                                                                          ==
                                                                                          i;
                                                                              if have_sub
                                                                                 {
                                                                                  let r =
                                                                                      next_sub.clone();
                                                                                  next_sub
                                                                                      =
                                                                                      subs.next();
                                                                                  r
                                                                              } else {
                                                                                  None
                                                                              }
                                                                          }).into()).collect(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_ChangedType: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl <T> _serde::ser::Serialize for ChangedType<T> where
                 T: Serialize, T: _serde::ser::Serialize {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "ChangedType" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "from" , & self . from ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "to" , & self . to ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        #[derive(Debug)]
        /// Aux type for Diff::Changed.
        pub struct ChangedType<T> where T: Serialize {
            from: T,
            to: T,
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Diff: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl <T> _serde::ser::Serialize for Diff<T> where T: Serialize,
                 T: _serde::ser::Serialize {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        match *self {
                            Diff::Same =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "Diff",
                                                                            0usize,
                                                                            "="),
                            Diff::Born(ref __simple_value) =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "Diff",
                                                                               1usize,
                                                                               "+",
                                                                               __simple_value),
                            Diff::Died(ref __simple_value) =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "Diff",
                                                                               2usize,
                                                                               "-",
                                                                               __simple_value),
                            Diff::Changed(ref __simple_value) =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "Diff",
                                                                               3usize,
                                                                               "*",
                                                                               __simple_value),
                        }
                    }
                }
            };
        #[derive(Debug)]
        /// Serde-friendly `Diff` shadow.
        pub enum Diff<T> where T: Serialize {
            Same,
            Born(T),
            Died(T),
            Changed(ChangedType<T>),
        }
        impl <T, U> From<account_diff::Diff<T>> for Diff<U> where T: Eq +
         ::ethcore_ipc::BinaryConvertable, U: Serialize + From<T> {
            fn from(c: account_diff::Diff<T>) -> Self {
                match c {
                    account_diff::Diff::Same => Diff::Same,
                    account_diff::Diff::Born(t) => Diff::Born(t.into()),
                    account_diff::Diff::Died(t) => Diff::Died(t.into()),
                    account_diff::Diff::Changed(t, u) =>
                    Diff::Changed(ChangedType{from: t.into(), to: u.into(),}),
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_AccountDiff: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for AccountDiff {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "AccountDiff" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "balance" , & self . balance
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "nonce" , & self . nonce ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "code" , & self . code ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "storage" , & self . storage
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        #[derive(Debug)]
        /// Serde-friendly `AccountDiff` shadow.
        pub struct AccountDiff {
            pub balance: Diff<U256>,
            pub nonce: Diff<U256>,
            pub code: Diff<Bytes>,
            pub storage: BTreeMap<H256, Diff<H256>>,
        }
        impl From<account_diff::AccountDiff> for AccountDiff {
            fn from(c: account_diff::AccountDiff) -> Self {
                AccountDiff{balance: c.balance.into(),
                            nonce: c.nonce.into(),
                            code: c.code.into(),
                            storage:
                                c.storage.into_iter().map(|(k, v)|
                                                              (k.into(),
                                                               v.into())).collect(),}
            }
        }
        #[derive(Debug)]
        /// Serde-friendly `StateDiff` shadow.
        pub struct StateDiff(BTreeMap<H160, AccountDiff>);
        impl Serialize for StateDiff {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                Serialize::serialize(&self.0, serializer)
            }
        }
        impl From<state_diff::StateDiff> for StateDiff {
            fn from(c: state_diff::StateDiff) -> Self {
                StateDiff(c.raw.into_iter().map(|(k, v)|
                                                    (k.into(),
                                                     v.into())).collect())
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Create: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Create {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Create" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "from" , & self . from ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "value" , & self . value ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gas" , & self . gas ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "init" , & self . init ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Create response
        #[derive(Debug)]
        pub struct Create {
            /// Sender
            from: H160,
            /// Value
            value: U256,
            /// Gas
            gas: U256,
            /// Initialization code
            init: Bytes,
        }
        impl From<trace::Create> for Create {
            fn from(c: trace::Create) -> Self {
                Create{from: c.from.into(),
                       value: c.value.into(),
                       gas: c.gas.into(),
                       init: Bytes::new(c.init),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_CallType: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for CallType {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        match *self {
                            CallType::None =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "CallType",
                                                                            0usize,
                                                                            "none"),
                            CallType::Call =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "CallType",
                                                                            1usize,
                                                                            "call"),
                            CallType::CallCode =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "CallType",
                                                                            2usize,
                                                                            "callcode"),
                            CallType::DelegateCall =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "CallType",
                                                                            3usize,
                                                                            "delegatecall"),
                        }
                    }
                }
            };
        /// Call type.
        #[derive(Debug)]
        pub enum CallType {

            /// None
            None,

            /// Call
            Call,

            /// Call code
            CallCode,

            /// Delegate call
            DelegateCall,
        }
        impl From<executed::CallType> for CallType {
            fn from(c: executed::CallType) -> Self {
                match c {
                    executed::CallType::None => CallType::None,
                    executed::CallType::Call => CallType::Call,
                    executed::CallType::CallCode => CallType::CallCode,
                    executed::CallType::DelegateCall => CallType::DelegateCall,
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Call: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Call {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Call" , 0 + 1 + 1 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "from" , & self . from ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "to" , & self . to ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "value" , & self . value ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gas" , & self . gas ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "input" , & self . input ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "callType" , & self . call_type
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Call response
        #[derive(Debug)]
        pub struct Call {
            /// Sender
            from: H160,
            /// Recipient
            to: H160,
            /// Transfered Value
            value: U256,
            /// Gas
            gas: U256,
            /// Input data
            input: Bytes,
            /// The type of the call.
            call_type: CallType,
        }
        impl From<trace::Call> for Call {
            fn from(c: trace::Call) -> Self {
                Call{from: c.from.into(),
                     to: c.to.into(),
                     value: c.value.into(),
                     gas: c.gas.into(),
                     input: c.input.into(),
                     call_type: c.call_type.into(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Suicide: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Suicide {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Suicide" , 0 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "address" , & self . address
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "refundAddress" , & self .
                             refund_address ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "balance" , & self . balance
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Suicide
        #[derive(Debug)]
        pub struct Suicide {
            /// Address.
            pub address: H160,
            /// Refund address.
            pub refund_address: H160,
            /// Balance.
            pub balance: U256,
        }
        impl From<trace::Suicide> for Suicide {
            fn from(s: trace::Suicide) -> Self {
                Suicide{address: s.address.into(),
                        refund_address: s.refund_address.into(),
                        balance: s.balance.into(),}
            }
        }
        /// Action
        #[derive(Debug)]
        pub enum Action {

            /// Call
            Call(Call),

            /// Create
            Create(Create),

            /// Suicide
            Suicide(Suicide),
        }
        impl From<trace::Action> for Action {
            fn from(c: trace::Action) -> Self {
                match c {
                    trace::Action::Call(call) => Action::Call(call.into()),
                    trace::Action::Create(create) =>
                    Action::Create(create.into()),
                    trace::Action::Suicide(suicide) =>
                    Action::Suicide(suicide.into()),
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_CallResult: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for CallResult {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "CallResult" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gasUsed" , & self . gas_used
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "output" , & self . output ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Call Result
        #[derive(Debug)]
        pub struct CallResult {
            /// Gas used
            gas_used: U256,
            /// Output bytes
            output: Bytes,
        }
        impl From<trace::CallResult> for CallResult {
            fn from(c: trace::CallResult) -> Self {
                CallResult{gas_used: c.gas_used.into(), output: c.output.into(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_CreateResult: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for CreateResult {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "CreateResult" , 0 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "gasUsed" , & self . gas_used
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "code" , & self . code ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "address" , & self . address
                             ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Craete Result
        #[derive(Debug)]
        pub struct CreateResult {
            /// Gas used
            gas_used: U256,
            /// Code
            code: Bytes,
            /// Assigned address
            address: H160,
        }
        impl From<trace::CreateResult> for CreateResult {
            fn from(c: trace::CreateResult) -> Self {
                CreateResult{gas_used: c.gas_used.into(),
                             code: c.code.into(),
                             address: c.address.into(),}
            }
        }
        /// Response
        #[derive(Debug)]
        pub enum Res {

            /// Call
            Call(CallResult),

            /// Create
            Create(CreateResult),

            /// Call failure
            FailedCall(TraceError),

            /// Creation failure
            FailedCreate(TraceError),

            /// None
            None,
        }
        impl From<trace::Res> for Res {
            fn from(t: trace::Res) -> Self {
                match t {
                    trace::Res::Call(call) => Res::Call(CallResult::from(call)),
                    trace::Res::Create(create) =>
                    Res::Create(CreateResult::from(create)),
                    trace::Res::FailedCall(error) => Res::FailedCall(error),
                    trace::Res::FailedCreate(error) => Res::FailedCreate(error),
                    trace::Res::None => Res::None,
                }
            }
        }
        /// Trace
        #[derive(Debug)]
        pub struct LocalizedTrace {
            /// Action
            action: Action,
            /// Result
            result: Res,
            /// Trace address
            trace_address: Vec<usize>,
            /// Subtraces
            subtraces: usize,
            /// Transaction position
            transaction_position: usize,
            /// Transaction hash
            transaction_hash: H256,
            /// Block Number
            block_number: u64,
            /// Block Hash
            block_hash: H256,
        }
        impl Serialize for LocalizedTrace {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                let mut state = serializer.serialize_struct("LocalizedTrace", 9)?;
                match self.action {
                    Action::Call(ref call) => {
                        serializer.serialize_struct_elt(&mut state, "type",
                                                        "call")?;
                        serializer.serialize_struct_elt(&mut state, "action",
                                                        call)?;
                    }
                    Action::Create(ref create) => {
                        serializer.serialize_struct_elt(&mut state, "type",
                                                        "create")?;
                        serializer.serialize_struct_elt(&mut state, "action",
                                                        create)?;
                    }
                    Action::Suicide(ref suicide) => {
                        serializer.serialize_struct_elt(&mut state, "type",
                                                        "suicide")?;
                        serializer.serialize_struct_elt(&mut state, "action",
                                                        suicide)?;
                    }
                }
                match self.result {
                    Res::Call(ref call) =>
                    serializer.serialize_struct_elt(&mut state, "result", call)?,
                    Res::Create(ref create) =>
                    serializer.serialize_struct_elt(&mut state, "result",
                                                    create)?,
                    Res::FailedCall(ref error) =>
                    serializer.serialize_struct_elt(&mut state, "error",
                                                    error.to_string())?,
                    Res::FailedCreate(ref error) =>
                    serializer.serialize_struct_elt(&mut state, "error",
                                                    error.to_string())?,
                    Res::None =>
                    serializer.serialize_struct_elt(&mut state, "result",
                                                    None as Option<u8>)?,
                }
                serializer.serialize_struct_elt(&mut state, "traceAddress",
                                                &self.trace_address)?;
                serializer.serialize_struct_elt(&mut state, "subtraces",
                                                &self.subtraces)?;
                serializer.serialize_struct_elt(&mut state, "transactionPosition",
                                                &self.transaction_position)?;
                serializer.serialize_struct_elt(&mut state, "transactionHash",
                                                &self.transaction_hash)?;
                serializer.serialize_struct_elt(&mut state, "blockNumber",
                                                &self.block_number)?;
                serializer.serialize_struct_elt(&mut state, "blockHash",
                                                &self.block_hash)?;
                serializer.serialize_struct_end(state)
            }
        }
        impl From<EthLocalizedTrace> for LocalizedTrace {
            fn from(t: EthLocalizedTrace) -> Self {
                LocalizedTrace{action: t.action.into(),
                               result: t.result.into(),
                               trace_address:
                                   t.trace_address.into_iter().map(Into::into).collect(),
                               subtraces: t.subtraces.into(),
                               transaction_position: t.transaction_number.into(),
                               transaction_hash: t.transaction_hash.into(),
                               block_number: t.block_number.into(),
                               block_hash: t.block_hash.into(),}
            }
        }
        /// Trace
        #[derive(Debug)]
        pub struct Trace {
            /// Trace address
            trace_address: Vec<usize>,
            /// Subtraces
            subtraces: usize,
            /// Action
            action: Action,
            /// Result
            result: Res,
        }
        impl Serialize for Trace {
            fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
             where S: Serializer {
                let mut state = serializer.serialize_struct("Trace", 4)?;
                match self.action {
                    Action::Call(ref call) => {
                        serializer.serialize_struct_elt(&mut state, "type",
                                                        "call")?;
                        serializer.serialize_struct_elt(&mut state, "action",
                                                        call)?;
                    }
                    Action::Create(ref create) => {
                        serializer.serialize_struct_elt(&mut state, "type",
                                                        "create")?;
                        serializer.serialize_struct_elt(&mut state, "action",
                                                        create)?;
                    }
                    Action::Suicide(ref suicide) => {
                        serializer.serialize_struct_elt(&mut state, "type",
                                                        "suicide")?;
                        serializer.serialize_struct_elt(&mut state, "action",
                                                        suicide)?;
                    }
                }
                match self.result {
                    Res::Call(ref call) =>
                    serializer.serialize_struct_elt(&mut state, "result", call)?,
                    Res::Create(ref create) =>
                    serializer.serialize_struct_elt(&mut state, "result",
                                                    create)?,
                    Res::FailedCall(ref error) =>
                    serializer.serialize_struct_elt(&mut state, "error",
                                                    error.to_string())?,
                    Res::FailedCreate(ref error) =>
                    serializer.serialize_struct_elt(&mut state, "error",
                                                    error.to_string())?,
                    Res::None =>
                    serializer.serialize_struct_elt(&mut state, "result",
                                                    None as Option<u8>)?,
                }
                serializer.serialize_struct_elt(&mut state, "traceAddress",
                                                &self.trace_address)?;
                serializer.serialize_struct_elt(&mut state, "subtraces",
                                                &self.subtraces)?;
                serializer.serialize_struct_end(state)
            }
        }
        impl From<FlatTrace> for Trace {
            fn from(t: FlatTrace) -> Self {
                Trace{trace_address:
                          t.trace_address.into_iter().map(Into::into).collect(),
                      subtraces: t.subtraces.into(),
                      action: t.action.into(),
                      result: t.result.into(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_TraceResults: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for TraceResults {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "TraceResults" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "output" , & self . output ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "trace" , & self . trace ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "vmTrace" , & self . vm_trace
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "stateDiff" , & self .
                             state_diff ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        #[derive(Debug)]
        /// A diff of some chunk of memory.
        pub struct TraceResults {
            /// The output of the call/create
            pub output: Bytes,
            /// The transaction trace.
            pub trace: Vec<Trace>,
            /// The transaction trace.
            pub vm_trace: Option<VMTrace>,
            /// The transaction trace.
            pub state_diff: Option<StateDiff>,
        }
        impl From<Executed> for TraceResults {
            fn from(t: Executed) -> Self {
                TraceResults{output: t.output.into(),
                             trace: t.trace.into_iter().map(Into::into).collect(),
                             vm_trace: t.vm_trace.map(Into::into),
                             state_diff: t.state_diff.map(Into::into),}
            }
        }
        #[cfg(test)]
        mod tests {
            use serde_json;
            use std::collections::BTreeMap;
            use v1::types::Bytes;
            use ethcore::trace::TraceError;
            use super::*;
            #[test]
            fn should_serialize_trace_results() {
                let r =
                    TraceResults{output: vec!(0x60).into(),
                                 trace: vec!(),
                                 vm_trace: None,
                                 state_diff: None,};
                let serialized = serde_json::to_string(&r).unwrap();
                assert_eq!(serialized ,
                           r#"{"output":"0x60","trace":[],"vmTrace":null,"stateDiff":null}"#);
            }
            #[test]
            fn test_trace_call_serialize() {
                let t =
                    LocalizedTrace{action:
                                       Action::Call(Call{from: 4.into(),
                                                         to: 5.into(),
                                                         value: 6.into(),
                                                         gas: 7.into(),
                                                         input:
                                                             Bytes::new(vec!(0x12
                                                                             ,
                                                                             0x34)),
                                                         call_type:
                                                             CallType::Call,}),
                                   result:
                                       Res::Call(CallResult{gas_used: 8.into(),
                                                            output:
                                                                vec!(0x56 ,
                                                                     0x78).into(),}),
                                   trace_address: vec!(10),
                                   subtraces: 1,
                                   transaction_position: 11,
                                   transaction_hash: 12.into(),
                                   block_number: 13,
                                   block_hash: 14.into(),};
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"type":"call","action":{"from":"0x0000000000000000000000000000000000000004","to":"0x0000000000000000000000000000000000000005","value":"0x6","gas":"0x7","input":"0x1234","callType":"call"},"result":{"gasUsed":"0x8","output":"0x5678"},"traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
            }
            #[test]
            fn test_trace_failed_call_serialize() {
                let t =
                    LocalizedTrace{action:
                                       Action::Call(Call{from: 4.into(),
                                                         to: 5.into(),
                                                         value: 6.into(),
                                                         gas: 7.into(),
                                                         input:
                                                             Bytes::new(vec!(0x12
                                                                             ,
                                                                             0x34)),
                                                         call_type:
                                                             CallType::Call,}),
                                   result: Res::FailedCall(TraceError::OutOfGas),
                                   trace_address: vec!(10),
                                   subtraces: 1,
                                   transaction_position: 11,
                                   transaction_hash: 12.into(),
                                   block_number: 13,
                                   block_hash: 14.into(),};
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"type":"call","action":{"from":"0x0000000000000000000000000000000000000004","to":"0x0000000000000000000000000000000000000005","value":"0x6","gas":"0x7","input":"0x1234","callType":"call"},"error":"Out of gas","traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
            }
            #[test]
            fn test_trace_create_serialize() {
                let t =
                    LocalizedTrace{action:
                                       Action::Create(Create{from: 4.into(),
                                                             value: 6.into(),
                                                             gas: 7.into(),
                                                             init:
                                                                 Bytes::new(vec!(0x12
                                                                                 ,
                                                                                 0x34)),}),
                                   result:
                                       Res::Create(CreateResult{gas_used:
                                                                    8.into(),
                                                                code:
                                                                    vec!(0x56 ,
                                                                         0x78).into(),
                                                                address:
                                                                    255.into(),}),
                                   trace_address: vec!(10),
                                   subtraces: 1,
                                   transaction_position: 11,
                                   transaction_hash: 12.into(),
                                   block_number: 13,
                                   block_hash: 14.into(),};
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"type":"create","action":{"from":"0x0000000000000000000000000000000000000004","value":"0x6","gas":"0x7","init":"0x1234"},"result":{"gasUsed":"0x8","code":"0x5678","address":"0x00000000000000000000000000000000000000ff"},"traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
            }
            #[test]
            fn test_trace_failed_create_serialize() {
                let t =
                    LocalizedTrace{action:
                                       Action::Create(Create{from: 4.into(),
                                                             value: 6.into(),
                                                             gas: 7.into(),
                                                             init:
                                                                 Bytes::new(vec!(0x12
                                                                                 ,
                                                                                 0x34)),}),
                                   result:
                                       Res::FailedCreate(TraceError::OutOfGas),
                                   trace_address: vec!(10),
                                   subtraces: 1,
                                   transaction_position: 11,
                                   transaction_hash: 12.into(),
                                   block_number: 13,
                                   block_hash: 14.into(),};
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"type":"create","action":{"from":"0x0000000000000000000000000000000000000004","value":"0x6","gas":"0x7","init":"0x1234"},"error":"Out of gas","traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
            }
            #[test]
            fn test_trace_suicide_serialize() {
                let t =
                    LocalizedTrace{action:
                                       Action::Suicide(Suicide{address: 4.into(),
                                                               refund_address:
                                                                   6.into(),
                                                               balance:
                                                                   7.into(),}),
                                   result: Res::None,
                                   trace_address: vec!(10),
                                   subtraces: 1,
                                   transaction_position: 11,
                                   transaction_hash: 12.into(),
                                   block_number: 13,
                                   block_hash: 14.into(),};
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"type":"suicide","action":{"address":"0x0000000000000000000000000000000000000004","refundAddress":"0x0000000000000000000000000000000000000006","balance":"0x7"},"result":null,"traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
            }
            #[test]
            fn test_vmtrace_serialize() {
                let t =
                    VMTrace{code: vec!(0 , 1 , 2 , 3).into(),
                            ops:
                                vec!(VMOperation {
                                     pc : 0 , cost : 10 , ex : None , sub : None ,
                                     } , VMOperation {
                                     pc : 1 , cost : 11 , ex : Some (
                                     VMExecutedOperation {
                                     used : 10 , push : vec ! [ 69 . into (  ) ] ,
                                     mem : None , store : None , } ) , sub : Some
                                     (
                                     VMTrace {
                                     code : vec ! [ 0 ] . into (  ) , ops : vec !
                                     [
                                     VMOperation {
                                     pc : 0 , cost : 0 , ex : Some (
                                     VMExecutedOperation {
                                     used : 10 , push : vec ! [ 42 . into (  ) ] .
                                     into (  ) , mem : Some (
                                     MemoryDiff {
                                     off : 42 , data : vec ! [ 1 , 2 , 3 ] . into
                                     (  ) } ) , store : Some (
                                     StorageDiff {
                                     key : 69 . into (  ) , val : 42 . into (  ) }
                                     ) , } ) , sub : None , } ] } ) , }),};
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"code":"0x00010203","ops":[{"pc":0,"cost":10,"ex":null,"sub":null},{"pc":1,"cost":11,"ex":{"used":10,"push":["0x45"],"mem":null,"store":null},"sub":{"code":"0x00","ops":[{"pc":0,"cost":0,"ex":{"used":10,"push":["0x2a"],"mem":{"off":42,"data":"0x010203"},"store":{"key":"0x45","val":"0x2a"}},"sub":null}]}}]}"#);
            }
            #[test]
            fn test_statediff_serialize() {
                let t =
                    StateDiff(map!(42 . into (  ) => AccountDiff {
                                   balance : Diff :: Same , nonce : Diff :: Born (
                                   1 . into (  ) ) , code : Diff :: Same , storage
                                   : map ! [ 42 . into (  ) => Diff :: Same ] } ,
                                   69 . into (  ) => AccountDiff {
                                   balance : Diff :: Same , nonce : Diff ::
                                   Changed (
                                   ChangedType {
                                   from : 1 . into (  ) , to : 0 . into (  ) } ) ,
                                   code : Diff :: Died ( vec ! [ 96 ] . into (  )
                                   ) , storage : map ! [  ] , }));
                let serialized = serde_json::to_string(&t).unwrap();
                assert_eq!(serialized ,
                           r#"{"0x000000000000000000000000000000000000002a":{"balance":"=","nonce":{"+":"0x1"},"code":"=","storage":{"0x000000000000000000000000000000000000000000000000000000000000002a":"="}},"0x0000000000000000000000000000000000000045":{"balance":"=","nonce":{"*":{"from":"0x1","to":"0x0"}},"code":{"-":"0x60"},"storage":{}}}"#);
            }
        }
    }
    mod trace_filter {
        //! Trace filter deserialization.
        use ethcore::client::BlockId;
        use ethcore::client;
        use v1::types::{BlockNumber, H160};
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_TraceFilter: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for TraceFilter {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<TraceFilter, __D::Error> where
                     __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field { __field0, __field1, __field2, __field3, }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            2usize => { Ok(__Field::__field2) }
                                            3usize => { Ok(__Field::__field3) }
                                            _ =>
                                            Err(_serde::de::Error::invalid_value("expected a field")),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "fromBlock" => {
                                                Ok(__Field::__field0)
                                            }
                                            "toBlock" => { Ok(__Field::__field1) }
                                            "fromAddress" => {
                                                Ok(__Field::__field2)
                                            }
                                            "toAddress" => {
                                                Ok(__Field::__field3)
                                            }
                                            _ =>
                                            Err(_serde::de::Error::unknown_field(value)),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"fromBlock" => {
                                                Ok(__Field::__field0)
                                            }
                                            b"toBlock" => {
                                                Ok(__Field::__field1)
                                            }
                                            b"fromAddress" => {
                                                Ok(__Field::__field2)
                                            }
                                            b"toAddress" => {
                                                Ok(__Field::__field3)
                                            }
                                            _ => {
                                                let value =
                                                    ::std::string::String::from_utf8_lossy(value);
                                                Err(_serde::de::Error::unknown_field(&value))
                                            }
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            TraceFilter;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<TraceFilter, __V::Error>
                             where __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < Option <
                                               BlockNumber > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < Option <
                                               BlockNumber > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                let __field2 =
                                    match try!(visitor . visit :: < Option < Vec <
                                               H160 > > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(2usize));
                                        }
                                    };
                                let __field3 =
                                    match try!(visitor . visit :: < Option < Vec <
                                               H160 > > > (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(3usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(TraceFilter{from_block: __field0,
                                               to_block: __field1,
                                               from_address: __field2,
                                               to_address: __field3,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<TraceFilter, __V::Error>
                             where __V: _serde::de::MapVisitor {
                                let mut __field0: Option<Option<BlockNumber>> =
                                    None;
                                let mut __field1: Option<Option<BlockNumber>> =
                                    None;
                                let mut __field2: Option<Option<Vec<H160>>> =
                                    None;
                                let mut __field3: Option<Option<Vec<H160>>> =
                                    None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("fromBlock"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < BlockNumber >
                                                          > (  )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("toBlock"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < BlockNumber >
                                                          > (  )));
                                        }
                                        __Field::__field2 => {
                                            if __field2.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("fromAddress"));
                                            }
                                            __field2 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < Vec < H160 >
                                                          > > (  )));
                                        }
                                        __Field::__field3 => {
                                            if __field3.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("toAddress"));
                                            }
                                            __field3 =
                                                Some(try!(visitor . visit_value ::
                                                          < Option < Vec < H160 >
                                                          > > (  )));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field ( "fromBlock"
                                             )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "toBlock"
                                             )),
                                    };
                                let __field2 =
                                    match __field2 {
                                        Some(__field2) => __field2,
                                        None =>
                                        try!(visitor . missing_field (
                                             "fromAddress" )),
                                    };
                                let __field3 =
                                    match __field3 {
                                        Some(__field3) => __field3,
                                        None =>
                                        try!(visitor . missing_field ( "toAddress"
                                             )),
                                    };
                                Ok(TraceFilter{from_block: __field0,
                                               to_block: __field1,
                                               from_address: __field2,
                                               to_address: __field3,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["from_block", "to_block", "from_address",
                              "to_address"];
                        deserializer.deserialize_struct("TraceFilter", FIELDS,
                                                        __Visitor)
                    }
                }
            };
        /// Trace filter
        #[derive(PartialEq, Debug)]
        pub struct TraceFilter {
            /// From block
            pub from_block: Option<BlockNumber>,
            /// To block
            pub to_block: Option<BlockNumber>,
            /// From address
            pub from_address: Option<Vec<H160>>,
            /// To address
            pub to_address: Option<Vec<H160>>,
        }
        impl Into<client::TraceFilter> for TraceFilter {
            fn into(self) -> client::TraceFilter {
                let start = self.from_block.map_or(BlockId::Latest, Into::into);
                let end = self.to_block.map_or(BlockId::Latest, Into::into);
                client::TraceFilter{range: start..end,
                                    from_address:
                                        self.from_address.map_or_else(Vec::new,
                                                                      |x|
                                                                          x.into_iter().map(Into::into).collect()),
                                    to_address:
                                        self.to_address.map_or_else(Vec::new,
                                                                    |x|
                                                                        x.into_iter().map(Into::into).collect()),}
            }
        }
        #[cfg(test)]
        mod tests {
            use serde_json;
            use util::Address;
            use v1::types::{BlockNumber, TraceFilter};
            #[test]
            fn test_empty_trace_filter_deserialize() {
                let s = r#"{}"#;
                let deserialized: TraceFilter = serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , TraceFilter {
                           from_block : None , to_block : None , from_address :
                           None , to_address : None });
            }
            #[test]
            fn test_trace_filter_deserialize() {
                let s =
                    r#"{
    			"fromBlock": "latest",
    			"toBlock": "latest",
    			"fromAddress": ["0x0000000000000000000000000000000000000003"],
    			"toAddress": ["0x0000000000000000000000000000000000000005"]
    		}"#;
                let deserialized: TraceFilter = serde_json::from_str(s).unwrap();
                assert_eq!(deserialized , TraceFilter {
                           from_block : Some ( BlockNumber :: Latest ) , to_block
                           : Some ( BlockNumber :: Latest ) , from_address : Some
                           ( vec ! [ Address :: from ( 3 ) . into (  ) ] ) ,
                           to_address : Some (
                           vec ! [ Address :: from ( 5 ) . into (  ) ] ) , });
            }
        }
    }
    mod uint {
        use std::str::FromStr;
        use std::fmt;
        use serde;
        use util::{U256 as EthU256, U128 as EthU128, Uint};
        macro_rules! impl_uint(( $ name : ident , $ other : ident , $ size : expr
                               ) => {
                               /// Uint serialization.
                                # [
                               derive (
                               Debug , Default , Clone , Copy , PartialEq , Hash )
                               ] pub struct $ name ( $ other ) ; impl Eq for $
                               name {  } impl < T > From < T > for $ name where $
                               other : From < T > {
                               fn from ( o : T ) -> Self {
                               $ name ( $ other :: from ( o ) ) } } impl FromStr
                               for $ name {
                               type Err = < $ other as FromStr > :: Err ; fn
                               from_str ( s : & str ) -> Result < Self , Self ::
                               Err > { $ other :: from_str ( s ) . map ( $ name )
                               } } impl Into < $ other > for $ name {
                               fn into ( self ) -> $ other { self . 0 } } impl fmt
                               :: Display for $ name {
                               fn fmt ( & self , f : & mut fmt :: Formatter ) ->
                               fmt :: Result { write ! ( f , "{}" , self . 0 ) } }
                               impl fmt :: LowerHex for $ name {
                               fn fmt ( & self , f : & mut fmt :: Formatter ) ->
                               fmt :: Result { write ! ( f , "{:#x}" , self . 0 )
                               } } impl serde :: Serialize for $ name {
                               fn serialize < S > ( & self , serializer : & mut S
                               ) -> Result < (  ) , S :: Error > where S : serde
                               :: Serializer {
                               serializer . serialize_str (
                               & format ! ( "0x{}" , self . 0 . to_hex (  ) ) ) }
                               } impl serde :: Deserialize for $ name {
                               fn deserialize < D > ( deserializer : & mut D ) ->
                               Result < $ name , D :: Error > where D : serde ::
                               Deserializer {
                               struct UintVisitor ; impl serde :: de :: Visitor
                               for UintVisitor {
                               type Value = $ name ; fn visit_str < E > (
                               & mut self , value : & str ) -> Result < Self ::
                               Value , E > where E : serde :: Error {
                               if value . len (  ) > 2 + $ size * 16 || value .
                               len (  ) < 2 {
                               return Err (
                               serde :: Error :: custom ( "Invalid length." ) ) ;
                               } if & value [ 0 .. 2 ] != "0x" {
                               return Err (
                               serde :: Error :: custom (
                               "Use hex encoded numbers with 0x prefix." ) ) } $
                               other :: from_str ( & value [ 2 .. ] ) . map (
                               $ name ) . map_err (
                               | _ | serde :: Error :: custom (
                               "Invalid hex value." ) ) } fn visit_string < E > (
                               & mut self , value : String ) -> Result < Self ::
                               Value , E > where E : serde :: Error {
                               self . visit_str ( & value ) } } deserializer .
                               deserialize ( UintVisitor ) } } });
        impl_uint! (U128 , EthU128 , 2);
        impl_uint! (U256 , EthU256 , 4);
        #[cfg(test)]
        mod tests {
            use super::U256;
            use serde_json;
            type Res = Result<U256, serde_json::Error>;
            #[test]
            fn should_serialize_u256() {
                let serialized1 = serde_json::to_string(&U256(0.into())).unwrap();
                let serialized2 = serde_json::to_string(&U256(1.into())).unwrap();
                let serialized3 =
                    serde_json::to_string(&U256(16.into())).unwrap();
                let serialized4 =
                    serde_json::to_string(&U256(256.into())).unwrap();
                assert_eq!(serialized1 , r#""0x0""#);
                assert_eq!(serialized2 , r#""0x1""#);
                assert_eq!(serialized3 , r#""0x10""#);
                assert_eq!(serialized4 , r#""0x100""#);
            }
            #[test]
            fn should_fail_to_deserialize_decimals() {
                let deserialized1: Res = serde_json::from_str(r#""""#);
                let deserialized2: Res = serde_json::from_str(r#""0""#);
                let deserialized3: Res = serde_json::from_str(r#""10""#);
                let deserialized4: Res = serde_json::from_str(r#""1000000""#);
                let deserialized5: Res =
                    serde_json::from_str(r#""1000000000000000000""#);
                assert!(deserialized1 . is_err (  ));
                assert!(deserialized2 . is_err (  ));
                assert!(deserialized3 . is_err (  ));
                assert!(deserialized4 . is_err (  ));
                assert!(deserialized5 . is_err (  ));
            }
            #[test]
            fn should_deserialize_u256() {
                let deserialized1: U256 =
                    serde_json::from_str(r#""0x""#).unwrap();
                let deserialized2: U256 =
                    serde_json::from_str(r#""0x0""#).unwrap();
                let deserialized3: U256 =
                    serde_json::from_str(r#""0x1""#).unwrap();
                let deserialized4: U256 =
                    serde_json::from_str(r#""0x01""#).unwrap();
                let deserialized5: U256 =
                    serde_json::from_str(r#""0x100""#).unwrap();
                assert_eq!(deserialized1 , U256 ( 0 . into (  ) ));
                assert_eq!(deserialized2 , U256 ( 0 . into (  ) ));
                assert_eq!(deserialized3 , U256 ( 1 . into (  ) ));
                assert_eq!(deserialized4 , U256 ( 1 . into (  ) ));
                assert_eq!(deserialized5 , U256 ( 256 . into (  ) ));
            }
        }
    }
    mod work {
        use super::{H256, U256};
        use serde::{Serialize, Serializer};
        /// The result of an `eth_getWork` call: it differs based on an option
        /// whether to send the block number.
        #[derive(Eq, PartialEq, Debug)]
        pub struct Work {
            /// The proof-of-work hash.
            pub pow_hash: H256,
            /// The seed hash.
            pub seed_hash: H256,
            /// The target.
            pub target: H256,
            /// The block number: this isn't always stored.
            pub number: Option<u64>,
        }
        impl Serialize for Work {
            fn serialize<S>(&self, s: &mut S) -> Result<(), S::Error> where
             S: Serializer {
                match self.number.as_ref() {
                    Some(num) =>
                    (&self.pow_hash, &self.seed_hash, &self.target,
                     U256::from(*num)).serialize(s),
                    None =>
                    (&self.pow_hash, &self.seed_hash, &self.target).serialize(s),
                }
            }
        }
    }
    mod histogram {
        //! Gas prices histogram.
        use v1::types::U256;
        use util::stats;
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_DESERIALIZE_FOR_Histogram: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::de::Deserialize for Histogram {
                    fn deserialize<__D>(deserializer: &mut __D)
                     -> ::std::result::Result<Histogram, __D::Error> where
                     __D: _serde::de::Deserializer {
                        #[allow(non_camel_case_types)]
                        enum __Field { __field0, __field1, }
                        impl _serde::de::Deserialize for __Field {
                            #[inline]
                            fn deserialize<__D>(deserializer: &mut __D)
                             -> ::std::result::Result<__Field, __D::Error> where
                             __D: _serde::de::Deserializer {
                                struct __FieldVisitor;
                                impl _serde::de::Visitor for __FieldVisitor {
                                    type
                                    Value
                                    =
                                    __Field;
                                    fn visit_usize<__E>(&mut self, value: usize)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            0usize => { Ok(__Field::__field0) }
                                            1usize => { Ok(__Field::__field1) }
                                            _ =>
                                            Err(_serde::de::Error::invalid_value("expected a field")),
                                        }
                                    }
                                    fn visit_str<__E>(&mut self, value: &str)
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            "bucketBounds" => {
                                                Ok(__Field::__field0)
                                            }
                                            "counts" => { Ok(__Field::__field1) }
                                            _ =>
                                            Err(_serde::de::Error::unknown_field(value)),
                                        }
                                    }
                                    fn visit_bytes<__E>(&mut self, value: &[u8])
                                     -> ::std::result::Result<__Field, __E> where
                                     __E: _serde::de::Error {
                                        match value {
                                            b"bucketBounds" => {
                                                Ok(__Field::__field0)
                                            }
                                            b"counts" => { Ok(__Field::__field1) }
                                            _ => {
                                                let value =
                                                    ::std::string::String::from_utf8_lossy(value);
                                                Err(_serde::de::Error::unknown_field(&value))
                                            }
                                        }
                                    }
                                }
                                deserializer.deserialize_struct_field(__FieldVisitor)
                            }
                        }
                        struct __Visitor;
                        impl _serde::de::Visitor for __Visitor {
                            type
                            Value
                            =
                            Histogram;
                            #[inline]
                            fn visit_seq<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<Histogram, __V::Error> where
                             __V: _serde::de::SeqVisitor {
                                let __field0 =
                                    match try!(visitor . visit :: < Vec < U256 > >
                                               (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(0usize));
                                        }
                                    };
                                let __field1 =
                                    match try!(visitor . visit :: < Vec < u64 > >
                                               (  )) {
                                        Some(value) => { value }
                                        None => {
                                            try!(visitor . end (  ));
                                            return Err(_serde::de::Error::invalid_length(1usize));
                                        }
                                    };
                                try!(visitor . end (  ));
                                Ok(Histogram{bucket_bounds: __field0,
                                             counts: __field1,})
                            }
                            #[inline]
                            fn visit_map<__V>(&mut self, mut visitor: __V)
                             -> ::std::result::Result<Histogram, __V::Error> where
                             __V: _serde::de::MapVisitor {
                                let mut __field0: Option<Vec<U256>> = None;
                                let mut __field1: Option<Vec<u64>> = None;
                                while let Some(key) =
                                          try!(visitor . visit_key :: < __Field >
                                               (  )) {
                                    match key {
                                        __Field::__field0 => {
                                            if __field0.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("bucketBounds"));
                                            }
                                            __field0 =
                                                Some(try!(visitor . visit_value ::
                                                          < Vec < U256 > > (  )));
                                        }
                                        __Field::__field1 => {
                                            if __field1.is_some() {
                                                return Err(<__V::Error as
                                                               _serde::de::Error>::duplicate_field("counts"));
                                            }
                                            __field1 =
                                                Some(try!(visitor . visit_value ::
                                                          < Vec < u64 > > (  )));
                                        }
                                    }
                                }
                                try!(visitor . end (  ));
                                let __field0 =
                                    match __field0 {
                                        Some(__field0) => __field0,
                                        None =>
                                        try!(visitor . missing_field (
                                             "bucketBounds" )),
                                    };
                                let __field1 =
                                    match __field1 {
                                        Some(__field1) => __field1,
                                        None =>
                                        try!(visitor . missing_field ( "counts"
                                             )),
                                    };
                                Ok(Histogram{bucket_bounds: __field0,
                                             counts: __field1,})
                            }
                        }
                        const FIELDS: &'static [&'static str] =
                            &["bucket_bounds", "counts"];
                        deserializer.deserialize_struct("Histogram", FIELDS,
                                                        __Visitor)
                    }
                }
            };
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Histogram: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Histogram {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Histogram" , 0 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "bucketBounds" , & self .
                             bucket_bounds ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "counts" , & self . counts ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Values of RPC settings.
        pub struct Histogram {
            /// Gas prices for bucket edges.
            pub bucket_bounds: Vec<U256>,
            /// Transacion counts for each bucket.
            pub counts: Vec<u64>,
        }
        impl From<stats::Histogram> for Histogram {
            fn from(h: stats::Histogram) -> Self {
                Histogram{bucket_bounds:
                              h.bucket_bounds.into_iter().map(Into::into).collect(),
                          counts: h.counts,}
            }
        }
    }
    mod consensus_status {
        use semver;
        use v1::types::{H160, H256};
        use updater::{self, CapState};
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_ConsensusCapability: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for ConsensusCapability {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        match *self {
                            ConsensusCapability::Unknown =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "ConsensusCapability",
                                                                            0usize,
                                                                            "unknown"),
                            ConsensusCapability::Capable =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "ConsensusCapability",
                                                                            1usize,
                                                                            "capable"),
                            ConsensusCapability::CapableUntil(ref __simple_value)
                            =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "ConsensusCapability",
                                                                               2usize,
                                                                               "capableUntil",
                                                                               __simple_value),
                            ConsensusCapability::IncapableSince(ref __simple_value)
                            =>
                            _serde::ser::Serializer::serialize_newtype_variant(_serializer,
                                                                               "ConsensusCapability",
                                                                               3usize,
                                                                               "incapableSince",
                                                                               __simple_value),
                        }
                    }
                }
            };
        /// Capability info
        #[derive(PartialEq, Debug)]
        pub enum ConsensusCapability {

            /// Unknown.
            Unknown,

            /// Capable of consensus indefinitely.
            Capable,

            /// Capable of consensus up until a definite block.
            CapableUntil(u64),

            /// Incapable of consensus since a particular block.
            IncapableSince(u64),
        }
        impl Into<ConsensusCapability> for CapState {
            fn into(self) -> ConsensusCapability {
                match self {
                    CapState::Unknown => ConsensusCapability::Unknown,
                    CapState::Capable => ConsensusCapability::Capable,
                    CapState::CapableUntil(n) =>
                    ConsensusCapability::CapableUntil(n),
                    CapState::IncapableSince(n) =>
                    ConsensusCapability::IncapableSince(n),
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_ReleaseTrack: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for ReleaseTrack {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        match *self {
                            ReleaseTrack::Stable =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "ReleaseTrack",
                                                                            0usize,
                                                                            "stable"),
                            ReleaseTrack::Beta =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "ReleaseTrack",
                                                                            1usize,
                                                                            "beta"),
                            ReleaseTrack::Nightly =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "ReleaseTrack",
                                                                            2usize,
                                                                            "nightly"),
                            ReleaseTrack::Testing =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "ReleaseTrack",
                                                                            3usize,
                                                                            "testing"),
                            ReleaseTrack::Unknown =>
                            _serde::ser::Serializer::serialize_unit_variant(_serializer,
                                                                            "ReleaseTrack",
                                                                            4usize,
                                                                            "null"),
                        }
                    }
                }
            };
        /// A release's track.
        #[derive(PartialEq, Debug)]
        pub enum ReleaseTrack {

            /// Stable track.
            Stable,

            /// Beta track.
            Beta,

            /// Nightly track.
            Nightly,

            /// Testing track.
            Testing,

            /// No known track.
            Unknown,
        }
        impl Into<ReleaseTrack> for updater::ReleaseTrack {
            fn into(self) -> ReleaseTrack {
                match self {
                    updater::ReleaseTrack::Stable => ReleaseTrack::Stable,
                    updater::ReleaseTrack::Beta => ReleaseTrack::Beta,
                    updater::ReleaseTrack::Nightly => ReleaseTrack::Nightly,
                    updater::ReleaseTrack::Testing => ReleaseTrack::Testing,
                    updater::ReleaseTrack::Unknown => ReleaseTrack::Unknown,
                }
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_Version: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for Version {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "Version" , 0 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "major" , & self . major ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "minor" , & self . minor ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "patch" , & self . patch ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Semantic version.
        #[derive(PartialEq, Debug)]
        pub struct Version {
            /// Major part.
            major: u64,
            /// Minor part.
            minor: u64,
            /// Patch part.
            patch: u64,
        }
        impl Into<Version> for semver::Version {
            fn into(self) -> Version {
                Version{major: self.major, minor: self.minor, patch: self.patch,}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_VersionInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for VersionInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "VersionInfo" , 0 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "track" , & self . track ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "version" , & self . version
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "hash" , & self . hash ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Version information of a particular release.
        #[derive(PartialEq, Debug)]
        pub struct VersionInfo {
            /// The track on which it was released.
            pub track: ReleaseTrack,
            /// The version.
            pub version: Version,
            /// The (SHA1?) 160-bit hash of this build's code base.
            pub hash: H160,
        }
        impl Into<VersionInfo> for updater::VersionInfo {
            fn into(self) -> VersionInfo {
                VersionInfo{track: self.track.into(),
                            version: self.version.into(),
                            hash: self.hash.into(),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_ReleaseInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for ReleaseInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "ReleaseInfo" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "version" , & self . version
                             ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "is_critical" , & self .
                             is_critical ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "fork" , & self . fork ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "binary" , & self . binary ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Information regarding a particular release of Parity
        #[derive(PartialEq, Debug)]
        pub struct ReleaseInfo {
            /// Information on the version.
            pub version: VersionInfo,
            /// Does this release contain critical security updates?
            pub is_critical: bool,
            /// The latest fork that this release can handle.
            pub fork: u64,
            /// Our platform's binary, if known.
            pub binary: Option<H256>,
        }
        impl Into<ReleaseInfo> for updater::ReleaseInfo {
            fn into(self) -> ReleaseInfo {
                ReleaseInfo{version: self.version.into(),
                            is_critical: self.is_critical,
                            fork: self.fork,
                            binary: self.binary.map(Into::into),}
            }
        }
        #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
        const _IMPL_SERIALIZE_FOR_OperationsInfo: () =
            {
                extern crate serde as _serde;
                #[automatically_derived]
                impl _serde::ser::Serialize for OperationsInfo {
                    fn serialize<__S>(&self, _serializer: &mut __S)
                     -> ::std::result::Result<(), __S::Error> where
                     __S: _serde::ser::Serializer {
                        let mut __serde_state =
                            try!(_serializer . serialize_struct (
                                 "OperationsInfo" , 0 + 1 + 1 + 1 + 1 ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "fork" , & self . fork ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "this_fork" , & self .
                             this_fork ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "track" , & self . track ));
                        try!(_serializer . serialize_struct_elt (
                             & mut __serde_state , "minor" , & self . minor ));
                        _serializer.serialize_struct_end(__serde_state)
                    }
                }
            };
        /// Information on our operations environment.
        #[derive(PartialEq, Debug)]
        pub struct OperationsInfo {
            /// Our blockchain's latest fork.
            pub fork: u64,
            /// Last fork our client supports, if known.
            pub this_fork: Option<u64>,
            /// Information on our track's latest release.
            pub track: ReleaseInfo,
            /// Information on our minor version's latest release.
            pub minor: Option<ReleaseInfo>,
        }
        impl Into<OperationsInfo> for updater::OperationsInfo {
            fn into(self) -> OperationsInfo {
                OperationsInfo{fork: self.fork,
                               this_fork: self.this_fork,
                               track: self.track.into(),
                               minor: self.minor.map(Into::into),}
            }
        }
    }
    pub use self::bytes::Bytes;
    pub use self::block::{RichBlock, Block, BlockTransactions};
    pub use self::block_number::BlockNumber;
    pub use self::call_request::CallRequest;
    pub use self::confirmations::{ConfirmationPayload, ConfirmationRequest,
                                  ConfirmationResponse,
                                  ConfirmationResponseWithToken,
                                  TransactionModification, SignRequest,
                                  DecryptRequest, Either};
    pub use self::dapp_id::DappId;
    pub use self::filter::{Filter, FilterChanges};
    pub use self::hash::{H64, H160, H256, H512, H520, H2048};
    pub use self::index::Index;
    pub use self::log::Log;
    pub use self::sync::{SyncStatus, SyncInfo, Peers, PeerInfo, PeerNetworkInfo,
                         PeerProtocolsInfo, TransactionStats, ChainStatus,
                         EthProtocolInfo, LesProtocolInfo};
    pub use self::transaction::{Transaction, RichRawTransaction,
                                LocalTransactionStatus};
    pub use self::transaction_request::TransactionRequest;
    pub use self::receipt::Receipt;
    pub use self::rpc_settings::RpcSettings;
    pub use self::trace::{LocalizedTrace, TraceResults};
    pub use self::trace_filter::TraceFilter;
    pub use self::uint::{U128, U256};
    pub use self::work::Work;
    pub use self::histogram::Histogram;
    pub use self::consensus_status::*;

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