mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 00:37:57 +00:00
Svyatoslav Nikolsky
98 lines
3.0 KiB
Rust
98 lines
3.0 KiB
Rust
// Copyright 2019-2021 Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Bridges Common is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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//! Types used to connect to the Rococo-Substrate chain.
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use codec::Encode;
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use relay_substrate_client::{Chain, ChainBase, ChainWithBalances, TransactionSignScheme};
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use sp_core::{storage::StorageKey, Pair};
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use sp_runtime::{generic::SignedPayload, traits::IdentifyAccount};
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use std::time::Duration;
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/// Rococo header id.
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pub type HeaderId = relay_utils::HeaderId<bp_rococo::Hash, bp_rococo::BlockNumber>;
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/// Rococo header type used in headers sync.
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pub type SyncHeader = relay_substrate_client::SyncHeader<bp_rococo::Header>;
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/// Rococo chain definition
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#[derive(Debug, Clone, Copy)]
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pub struct Rococo;
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impl ChainBase for Rococo {
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type BlockNumber = bp_rococo::BlockNumber;
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type Hash = bp_rococo::Hash;
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type Hasher = bp_rococo::Hashing;
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type Header = bp_rococo::Header;
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}
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impl Chain for Rococo {
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const NAME: &'static str = "Rococo";
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const AVERAGE_BLOCK_INTERVAL: Duration = Duration::from_secs(6);
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type AccountId = bp_rococo::AccountId;
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type Index = bp_rococo::Index;
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type SignedBlock = bp_rococo::SignedBlock;
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type Call = bp_rococo::Call;
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}
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impl ChainWithBalances for Rococo {
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type NativeBalance = bp_rococo::Balance;
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fn account_info_storage_key(account_id: &Self::AccountId) -> StorageKey {
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StorageKey(bp_rococo::account_info_storage_key(account_id))
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}
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}
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impl TransactionSignScheme for Rococo {
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type Chain = Rococo;
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type AccountKeyPair = sp_core::sr25519::Pair;
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type SignedTransaction = bp_rococo::UncheckedExtrinsic;
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fn sign_transaction(
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genesis_hash: <Self::Chain as ChainBase>::Hash,
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signer: &Self::AccountKeyPair,
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signer_nonce: <Self::Chain as Chain>::Index,
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call: <Self::Chain as Chain>::Call,
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) -> Self::SignedTransaction {
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let raw_payload = SignedPayload::new(
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call,
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bp_rococo::SignedExtensions::new(
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bp_rococo::VERSION,
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sp_runtime::generic::Era::Immortal,
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genesis_hash,
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signer_nonce,
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0,
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),
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)
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.expect("SignedExtension never fails.");
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let signature = raw_payload.using_encoded(|payload| signer.sign(payload));
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let signer: sp_runtime::MultiSigner = signer.public().into();
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let (call, extra, _) = raw_payload.deconstruct();
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bp_rococo::UncheckedExtrinsic::new_signed(
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call,
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sp_runtime::MultiAddress::Id(signer.into_account()),
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signature.into(),
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extra,
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)
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}
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}
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/// Rococo signing params.
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pub type SigningParams = sp_core::sr25519::Pair;
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