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// 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 <http://www.gnu.org/licenses/>.
//! Types used to connect to the Rialto-Substrate chain.
use bp_messages::MessageNonce;
use codec::{Compact, Decode, Encode};
use frame_support::weights::Weight;
BalanceOf, Chain, ChainBase, ChainWithBalances, ChainWithMessages, IndexOf, TransactionEraOf,
use sp_core::{storage::StorageKey, Pair};
use sp_runtime::{generic::SignedPayload, traits::IdentifyAccount};
/// Rialto header id.
pub type HeaderId = relay_utils::HeaderId<rialto_runtime::Hash, rialto_runtime::BlockNumber>;
/// Rialto chain definition
#[derive(Debug, Clone, Copy)]
pub struct Rialto;
impl ChainBase for Rialto {
type BlockNumber = rialto_runtime::BlockNumber;
type Hash = rialto_runtime::Hash;
type Hasher = rialto_runtime::Hashing;
type Header = rialto_runtime::Header;
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type AccountId = rialto_runtime::AccountId;
type Balance = rialto_runtime::Balance;
type Index = rialto_runtime::Index;
type Signature = rialto_runtime::Signature;
fn max_extrinsic_size() -> u32 {
bp_rialto::Rialto::max_extrinsic_size()
}
fn max_extrinsic_weight() -> Weight {
bp_rialto::Rialto::max_extrinsic_weight()
}
}
impl Chain for Rialto {
// Rialto token has no value, but we associate it with DOT token
const TOKEN_ID: Option<&'static str> = Some("polkadot");
const BEST_FINALIZED_HEADER_ID_METHOD: &'static str =
bp_rialto::BEST_FINALIZED_RIALTO_HEADER_METHOD;
const AVERAGE_BLOCK_INTERVAL: Duration = Duration::from_secs(5);
const STORAGE_PROOF_OVERHEAD: u32 = bp_rialto::EXTRA_STORAGE_PROOF_SIZE;
const MAXIMAL_ENCODED_ACCOUNT_ID_SIZE: u32 = bp_rialto::MAXIMAL_ENCODED_ACCOUNT_ID_SIZE;
type SignedBlock = rialto_runtime::SignedBlock;
type Call = rialto_runtime::Call;
type WeightToFee = bp_rialto::WeightToFee;
impl ChainWithMessages for Rialto {
const WITH_CHAIN_MESSAGES_PALLET_NAME: &'static str =
bp_rialto::WITH_RIALTO_MESSAGES_PALLET_NAME;
const TO_CHAIN_MESSAGE_DETAILS_METHOD: &'static str =
bp_rialto::TO_RIALTO_MESSAGE_DETAILS_METHOD;
const TO_CHAIN_LATEST_GENERATED_NONCE_METHOD: &'static str =
bp_rialto::TO_RIALTO_LATEST_GENERATED_NONCE_METHOD;
const TO_CHAIN_LATEST_RECEIVED_NONCE_METHOD: &'static str =
bp_rialto::TO_RIALTO_LATEST_RECEIVED_NONCE_METHOD;
const FROM_CHAIN_LATEST_RECEIVED_NONCE_METHOD: &'static str =
bp_rialto::FROM_RIALTO_LATEST_RECEIVED_NONCE_METHOD;
const FROM_CHAIN_LATEST_CONFIRMED_NONCE_METHOD: &'static str =
bp_rialto::FROM_RIALTO_LATEST_CONFIRMED_NONCE_METHOD;
const FROM_CHAIN_UNREWARDED_RELAYERS_STATE: &'static str =
bp_rialto::FROM_RIALTO_UNREWARDED_RELAYERS_STATE;
const PAY_INBOUND_DISPATCH_FEE_WEIGHT_AT_CHAIN: Weight =
bp_rialto::PAY_INBOUND_DISPATCH_FEE_WEIGHT;
const MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX: MessageNonce =
bp_rialto::MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX;
const MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX: MessageNonce =
bp_rialto::MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX;
type WeightInfo = ();
}
impl ChainWithBalances for Rialto {
fn account_info_storage_key(account_id: &Self::AccountId) -> StorageKey {
use frame_support::storage::generator::StorageMap;
StorageKey(frame_system::Account::<rialto_runtime::Runtime>::storage_map_final_key(
account_id,
))
}
}
impl TransactionSignScheme for Rialto {
type Chain = Rialto;
type AccountKeyPair = sp_core::sr25519::Pair;
type SignedTransaction = rialto_runtime::UncheckedExtrinsic;
fn sign_transaction(
genesis_hash: <Self::Chain as ChainBase>::Hash,
signer: &Self::AccountKeyPair,
era: TransactionEraOf<Self::Chain>,
unsigned: UnsignedTransaction<Self::Chain>,
) -> Self::SignedTransaction {
let raw_payload = SignedPayload::from_raw(
(
frame_system::CheckSpecVersion::<rialto_runtime::Runtime>::new(),
frame_system::CheckTxVersion::<rialto_runtime::Runtime>::new(),
frame_system::CheckGenesis::<rialto_runtime::Runtime>::new(),
frame_system::CheckEra::<rialto_runtime::Runtime>::from(era.frame_era()),
frame_system::CheckNonce::<rialto_runtime::Runtime>::from(unsigned.nonce),
frame_system::CheckWeight::<rialto_runtime::Runtime>::new(),
pallet_transaction_payment::ChargeTransactionPayment::<rialto_runtime::Runtime>::from(unsigned.tip),
),
(
rialto_runtime::VERSION.spec_version,
rialto_runtime::VERSION.transaction_version,
genesis_hash,
era.signed_payload(genesis_hash),
(),
(),
(),
),
);
let signature = raw_payload.using_encoded(|payload| signer.sign(payload));
let signer: sp_runtime::MultiSigner = signer.public().into();
let (call, extra, _) = raw_payload.deconstruct();
rialto_runtime::UncheckedExtrinsic::new_signed(
call,
signer.into_account().into(),
signature.into(),
extra,
)
fn is_signed(tx: &Self::SignedTransaction) -> bool {
tx.signature.is_some()
}
fn is_signed_by(signer: &Self::AccountKeyPair, tx: &Self::SignedTransaction) -> bool {
tx.signature
.as_ref()
.map(|(address, _, _)| *address == rialto_runtime::Address::Id(signer.public().into()))
.unwrap_or(false)
}
fn parse_transaction(tx: Self::SignedTransaction) -> Option<UnsignedTransaction<Self::Chain>> {
let extra = &tx.signature.as_ref()?.2;
Some(UnsignedTransaction {
call: tx.function,
nonce: Compact::<IndexOf<Self::Chain>>::decode(&mut &extra.4.encode()[..]).ok()?.into(),
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tip: Compact::<BalanceOf<Self::Chain>>::decode(&mut &extra.6.encode()[..])
}
/// Rialto signing params.
pub type SigningParams = sp_core::sr25519::Pair;
/// Rialto header type used in headers sync.
pub type SyncHeader = relay_substrate_client::SyncHeader<rialto_runtime::Header>;