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Westend<>Rococo Headers Relay (#875)

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* Add modules for Rococo<>Westend header sync

* Use mock Westend and Rococo finaltiy tx calls

* Add Westend<>Rococo variants to `init_bridge`

* Add Westend<>Rococo variants to `relay_headers`

* Simplify the Rococo and Westend signing params

* Add `submit_finality_proof` mock Call variant

* Add note to more closely match `initialize` Call variant

* Accidentally committed `cargo-expand`ed code 🤦

* Add `initialize` Call variant to Rococo mock

* Fix call enums.

* Add explainatory comment.

* clippy.

* Add issue number.

* De-duplicate metrics customisation.

* Add comments to Rococo/Westend runtimes.

* Add scale-encoding compatibility test.

* Fix tests.

* Clippy.

Co-authored-by: Tomasz Drwięga <tomasz@parity.io>
This commit is contained in:
Hernando Castano
2021-04-15 11:00:35 -04:00
committed by Bastian Köcher
parent a69026af44
commit bca83fd020
18 changed files with 388 additions and 110 deletions
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bridges/primitives/chain-rococo/Cargo.toml
+2
View File
@@ -10,6 +10,7 @@ license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
parity-scale-codec = { version = "2.0.0", default-features = false, features = ["derive"] }
# Bridge Dependencies
bp-header-chain = { path = "../header-chain", default-features = false }
bp-messages = { path = "../messages", default-features = false }
bp-polkadot-core = { path = "../polkadot-core", default-features = false }
bp-runtime = { path = "../runtime", default-features = false }
@@ -23,6 +24,7 @@ sp-version = { git = "https://github.com/paritytech/substrate", branch = "master
[features]
default = ["std"]
std = [
"bp-header-chain/std",
"bp-messages/std",
"bp-polkadot-core/std",
"bp-runtime/std",
bridges/primitives/chain-rococo/src/lib.rs
+26 -1
View File
@@ -21,6 +21,7 @@
#![allow(clippy::unnecessary_mut_passed)]
use bp_messages::{LaneId, MessageNonce, UnrewardedRelayersState, Weight};
use bp_runtime::Chain;
use sp_std::prelude::*;
use sp_version::RuntimeVersion;
@@ -41,9 +42,33 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
transaction_version: 6,
};
/// Rococo Runtime `Call` enum.
///
/// The enum represents a subset of possible `Call`s we can send to Rococo chain.
/// Ideally this code would be auto-generated from Metadata, because we want to
/// avoid depending directly on the ENTIRE runtime just to get the encoding of `Dispatchable`s.
///
/// All entries here (like pretty much in the entire file) must be kept in sync with Rococo
/// `construct_runtime`, so that we maintain SCALE-compatibility.
///
/// See: https://github.com/paritytech/polkadot/blob/master/runtime/rococo/src/lib.rs
#[derive(parity_scale_codec::Encode, parity_scale_codec::Decode, Debug, PartialEq, Eq, Clone)]
pub enum Call {
MockPallet,
/// Westend bridge pallet.
#[codec(index = 40)]
BridgeGrandpaWestend(BridgeGrandpaWestendCall),
}
#[derive(parity_scale_codec::Encode, parity_scale_codec::Decode, Debug, PartialEq, Eq, Clone)]
#[allow(non_camel_case_types)]
pub enum BridgeGrandpaWestendCall {
#[codec(index = 0)]
submit_finality_proof(
<PolkadotLike as Chain>::Header,
bp_header_chain::justification::GrandpaJustification<<PolkadotLike as Chain>::Header>,
),
#[codec(index = 1)]
initialize(bp_header_chain::InitializationData<<PolkadotLike as Chain>::Header>),
}
impl sp_runtime::traits::Dispatchable for Call {