Extract minimal Rialto-Sub and Millau-Sub clients (#365)

* extracting sub clients * fmt + lost docs * revert enum BridgeInstance * apply suggestions from review * explicite debug impl * remove unused imports from Millau * fix typo * fix instance + API name * Update relays/ethereum/src/ethereum_sync_loop.rs Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com> * separate crates for millau and rialto client * cargo fmt * fix * fmt * remove no_std support * fix compilation again * Update relays/substrate-client/Cargo.toml * Update relay clients to Substrate 2.0 Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com> Co-authored-by: Hernando Castano <castano.ha@gmail.com>
2026-07-24 11:15:47 +00:00 · 2020-09-28 23:49:15 +03:00
parent 7f7d62d813
commit 52c1913fff
26 changed files with 1042 additions and 751 deletions
@@ -0,0 +1,87 @@
+// Copyright 2019-2020 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/>.
+
+use crate::client::Client;
+
+use frame_support::Parameter;
+use jsonrpsee::common::{DeserializeOwned, Serialize};
+use sp_core::Pair;
+use sp_runtime::traits::{
+	AtLeast32Bit, AtLeast32BitUnsigned, Bounded, CheckEqual, Dispatchable, Header as HeaderT, MaybeDisplay,
+	MaybeMallocSizeOf, MaybeSerialize, MaybeSerializeDeserialize, Member, SimpleBitOps,
+};
+use sp_std::fmt::Debug;
+
+/// Substrate-based chain from minimal relay-client point of view.
+pub trait Chain {
+	/// The block number type used by the runtime.
+	type BlockNumber: Parameter
+		+ Member
+		+ MaybeSerializeDeserialize
+		+ Debug
+		+ MaybeDisplay
+		+ AtLeast32BitUnsigned
+		+ Default
+		+ Bounded
+		+ Copy
+		+ sp_std::hash::Hash
+		+ sp_std::str::FromStr
+		+ MaybeMallocSizeOf;
+	/// The output of the `Hashing` function.
+	type Hash: Parameter
+		+ Member
+		+ MaybeSerializeDeserialize
+		+ Debug
+		+ MaybeDisplay
+		+ SimpleBitOps
+		+ Ord
+		+ Default
+		+ Copy
+		+ CheckEqual
+		+ sp_std::hash::Hash
+		+ AsRef<[u8]>
+		+ AsMut<[u8]>
+		+ MaybeMallocSizeOf;
+	/// The block header.
+	type Header: Parameter + HeaderT<Number = Self::BlockNumber, Hash = Self::Hash>;
+	/// The user account identifier type for the runtime.
+	type AccountId: Parameter + Member + MaybeSerializeDeserialize + Debug + MaybeDisplay + Ord + Default;
+	/// Account index (aka nonce) type. This stores the number of previous transactions associated
+	/// with a sender account.
+	type Index: Parameter + Member + MaybeSerialize + Debug + Default + MaybeDisplay + AtLeast32Bit + Copy;
+	/// Block type.
+	type SignedBlock: Member + Serialize + DeserializeOwned;
+	/// The aggregated `Call` type.
+	type Call: Dispatchable + Debug;
+}
+
+/// Substrate-based chain transactions signing scheme.
+pub trait TransactionSignScheme {
+	/// Chain that this scheme is to be used.
+	type Chain: Chain;
+	/// Type of key pairs used to sign transactions.
+	type AccountKeyPair: Pair;
+	/// Signed transaction.
+	type SignedTransaction;
+
+	/// Create transaction for given runtime call, signed by given account.
+	fn sign_transaction(
+		client: &Client<Self::Chain>,
+		signer: &Self::AccountKeyPair,
+		signer_nonce: <Self::Chain as Chain>::Index,
+		call: <Self::Chain as Chain>::Call,
+	) -> Self::SignedTransaction;
+}