// Copyright 2019-2021 Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common 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 Bridges Common 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 Bridges Common. If not, see .
#![cfg_attr(not(feature = "std"), no_std)]
// RuntimeApi generated functions
#![allow(clippy::too_many_arguments)]
// Runtime-generated DecodeLimit::decode_all_with_depth_limit
#![allow(clippy::unnecessary_mut_passed)]
use bp_messages::{LaneId, MessageNonce, UnrewardedRelayersState, Weight};
use frame_support::{Blake2_128Concat, StorageHasher, Twox128};
use sp_std::prelude::*;
use sp_version::RuntimeVersion;
pub use bp_polkadot_core::*;
pub type UncheckedExtrinsic = bp_polkadot_core::UncheckedExtrinsic;
pub const VERSION: RuntimeVersion = RuntimeVersion {
spec_name: sp_version::create_runtime_str!("rococo"),
impl_name: sp_version::create_runtime_str!("parity-rococo-v1-1"),
authoring_version: 0,
spec_version: 30,
impl_version: 0,
apis: sp_version::create_apis_vec![[]],
transaction_version: 6,
};
#[derive(parity_scale_codec::Encode, parity_scale_codec::Decode, Debug, PartialEq, Eq, Clone)]
pub enum Call {
MockModule,
}
impl sp_runtime::traits::Dispatchable for Call {
type Origin = ();
type Config = ();
type Info = ();
type PostInfo = ();
fn dispatch(self, _origin: Self::Origin) -> sp_runtime::DispatchResultWithInfo {
unimplemented!("The Call is not expected to be dispatched.")
}
}
/// Return a storage key for account data.
///
/// This is based on FRAME storage-generation code from Substrate:
/// https://github.com/paritytech/substrate/blob/c939ceba381b6313462d47334f775e128ea4e95d/frame/support/src/storage/generator/map.rs#L74
/// The equivalent command to invoke in case full `Runtime` is known is this:
/// `let key = frame_system::Account::::storage_map_final_key(&account_id);`
pub fn account_info_storage_key(id: &AccountId) -> Vec {
let module_prefix_hashed = Twox128::hash(b"System");
let storage_prefix_hashed = Twox128::hash(b"Account");
let key_hashed = parity_scale_codec::Encode::using_encoded(id, Blake2_128Concat::hash);
let mut final_key = Vec::with_capacity(module_prefix_hashed.len() + storage_prefix_hashed.len() + key_hashed.len());
final_key.extend_from_slice(&module_prefix_hashed[..]);
final_key.extend_from_slice(&storage_prefix_hashed[..]);
final_key.extend_from_slice(&key_hashed);
final_key
}
/// Rococo Chain
pub type Rococo = PolkadotLike;
// We use this to get the account on Rococo (target) which is derived from Westend's (source)
// account.
pub fn derive_account_from_westend_id(id: bp_runtime::SourceAccount) -> AccountId {
let encoded_id = bp_runtime::derive_account_id(bp_runtime::WESTEND_BRIDGE_INSTANCE, id);
AccountIdConverter::convert(encoded_id)
}
/// Name of the `RococoFinalityApi::best_finalized` runtime method.
pub const BEST_FINALIZED_ROCOCO_HEADER_METHOD: &str = "RococoFinalityApi_best_finalized";
/// Name of the `RococoFinalityApi::is_known_header` runtime method.
pub const IS_KNOWN_ROCOCO_HEADER_METHOD: &str = "RococoFinalityApi_is_known_header";
/// Name of the `ToRococoOutboundLaneApi::estimate_message_delivery_and_dispatch_fee` runtime method.
pub const TO_ROCOCO_ESTIMATE_MESSAGE_FEE_METHOD: &str =
"ToRococoOutboundLaneApi_estimate_message_delivery_and_dispatch_fee";
/// Name of the `ToRococoOutboundLaneApi::messages_dispatch_weight` runtime method.
pub const TO_ROCOCO_MESSAGES_DISPATCH_WEIGHT_METHOD: &str = "ToRococoOutboundLaneApi_messages_dispatch_weight";
/// Name of the `ToRococoOutboundLaneApi::latest_generated_nonce` runtime method.
pub const TO_ROCOCO_LATEST_GENERATED_NONCE_METHOD: &str = "ToRococoOutboundLaneApi_latest_generated_nonce";
/// Name of the `ToRococoOutboundLaneApi::latest_received_nonce` runtime method.
pub const TO_ROCOCO_LATEST_RECEIVED_NONCE_METHOD: &str = "ToRococoOutboundLaneApi_latest_received_nonce";
/// Name of the `FromRococoInboundLaneApi::latest_received_nonce` runtime method.
pub const FROM_ROCOCO_LATEST_RECEIVED_NONCE_METHOD: &str = "FromRococoInboundLaneApi_latest_received_nonce";
/// Name of the `FromRococoInboundLaneApi::latest_onfirmed_nonce` runtime method.
pub const FROM_ROCOCO_LATEST_CONFIRMED_NONCE_METHOD: &str = "FromRococoInboundLaneApi_latest_confirmed_nonce";
/// Name of the `FromRococoInboundLaneApi::unrewarded_relayers_state` runtime method.
pub const FROM_ROCOCO_UNREWARDED_RELAYERS_STATE: &str = "FromRococoInboundLaneApi_unrewarded_relayers_state";
sp_api::decl_runtime_apis! {
/// API for querying information about the finalized Rococo headers.
///
/// This API is implemented by runtimes that are bridging with the Rococo chain, not the
/// Rococo runtime itself.
pub trait RococoFinalityApi {
/// Returns number and hash of the best finalized header known to the bridge module.
fn best_finalized() -> (BlockNumber, Hash);
/// Returns true if the header is known to the runtime.
fn is_known_header(hash: Hash) -> bool;
}
/// Outbound message lane API for messages that are sent to Rococo chain.
///
/// This API is implemented by runtimes that are sending messages to Rococo chain, not the
/// Rococo runtime itself.
pub trait ToRococoOutboundLaneApi {
/// Estimate message delivery and dispatch fee that needs to be paid by the sender on
/// this chain.
///
/// Returns `None` if message is too expensive to be sent to Rococo from this chain.
///
/// Please keep in mind that this method returns lowest message fee required for message
/// to be accepted to the lane. It may be good idea to pay a bit over this price to account
/// future exchange rate changes and guarantee that relayer would deliver your message
/// to the target chain.
fn estimate_message_delivery_and_dispatch_fee(
lane_id: LaneId,
payload: OutboundPayload,
) -> Option;
/// Returns total dispatch weight and encoded payload size of all messages in given inclusive range.
///
/// If some (or all) messages are missing from the storage, they'll also will
/// be missing from the resulting vector. The vector is ordered by the nonce.
fn messages_dispatch_weight(
lane: LaneId,
begin: MessageNonce,
end: MessageNonce,
) -> Vec<(MessageNonce, Weight, u32)>;
/// Returns nonce of the latest message, received by bridged chain.
fn latest_received_nonce(lane: LaneId) -> MessageNonce;
/// Returns nonce of the latest message, generated by given lane.
fn latest_generated_nonce(lane: LaneId) -> MessageNonce;
}
/// Inbound message lane API for messages sent by Rococo chain.
///
/// This API is implemented by runtimes that are receiving messages from Rococo chain, not the
/// Rococo runtime itself.
pub trait FromRococoInboundLaneApi {
/// Returns nonce of the latest message, received by given lane.
fn latest_received_nonce(lane: LaneId) -> MessageNonce;
/// Nonce of latest message that has been confirmed to the bridged chain.
fn latest_confirmed_nonce(lane: LaneId) -> MessageNonce;
/// State of the unrewarded relayers set at given lane.
fn unrewarded_relayers_state(lane: LaneId) -> UnrewardedRelayersState;
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn should_generate_storage_key() {
let acc = [
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31, 32,
]
.into();
let key = account_info_storage_key(&acc);
assert_eq!(hex::encode(key), "26aa394eea5630e07c48ae0c9558cef7b99d880ec681799c0cf30e8886371da92dccd599abfe1920a1cff8a7358231430102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20");
}
}