Bridges subtree sync (#3022)

* Squashed 'bridges/' changes from edf33a2c85..277f0d5496 277f0d5496 Dynamic fees for bridges-v1 (#2294) b1c51f7dd2 Finality loop refactoring (#2357) 620db2b10f Add equivocation detector crate and implement clients (#2348) (#2353) 3fe4b13eb4 Add basic equivocation detection pipeline schema (#2338) (#2341) git-subtree-dir: bridges git-subtree-split: 277f0d54961c800b231d8123c6445f378b1deb89 * [dynfees] Rococo/Wococo does not need congestion and dynamic fees (for now) * Fix * ".git/.scripts/commands/fmt/fmt.sh" * Forgotten bridges/Cargo.lock --------- Co-authored-by: command-bot <>
2026-05-30 18:41:03 +00:00 · 2023-08-17 09:15:24 +02:00
parent 840ca86741
commit 061eee1382
40 changed files with 2177 additions and 250 deletions
@@ -0,0 +1,24 @@
+[package]
+name = "bp-xcm-bridge-hub-router"
+description = "Primitives of the xcm-bridge-hub fee pallet."
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2021"
+license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.1.5", default-features = false, features = ["derive", "bit-vec"] }
+scale-info = { version = "2.9.0", default-features = false, features = ["bit-vec", "derive"] }
+
+# Substrate Dependencies
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+
+[features]
+default = ["std"]
+std = [
+	"codec/std",
+	"scale-info/std",
+	"sp-runtime/std",
+	"sp-core/std",
+]
@@ -0,0 +1,66 @@
+// 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/>.
+
+//! Primitives of the `xcm-bridge-hub-router` pallet.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use codec::{Decode, Encode, MaxEncodedLen};
+use scale_info::TypeInfo;
+use sp_core::H256;
+use sp_runtime::{FixedU128, RuntimeDebug};
+
+/// Minimal delivery fee factor.
+pub const MINIMAL_DELIVERY_FEE_FACTOR: FixedU128 = FixedU128::from_u32(1);
+
+/// XCM channel status provider that may report whether it is congested or not.
+///
+/// By channel we mean the physical channel that is used to deliver messages of one
+/// of the bridge queues.
+pub trait XcmChannelStatusProvider {
+	/// Returns true if the channel is currently congested.
+	fn is_congested() -> bool;
+}
+
+impl XcmChannelStatusProvider for () {
+	fn is_congested() -> bool {
+		false
+	}
+}
+
+/// Current status of the bridge.
+#[derive(Clone, Decode, Encode, Eq, PartialEq, TypeInfo, MaxEncodedLen, RuntimeDebug)]
+pub struct BridgeState {
+	/// Current delivery fee factor.
+	pub delivery_fee_factor: FixedU128,
+	/// Bridge congestion flag.
+	pub is_congested: bool,
+}
+
+impl Default for BridgeState {
+	fn default() -> BridgeState {
+		BridgeState { delivery_fee_factor: MINIMAL_DELIVERY_FEE_FACTOR, is_congested: false }
+	}
+}
+
+/// A minimized version of `pallet-xcm-bridge-hub-router::Call` that can be used without a runtime.
+#[derive(Encode, Decode, Debug, PartialEq, Eq, Clone, TypeInfo)]
+#[allow(non_camel_case_types)]
+pub enum XcmBridgeHubRouterCall {
+	/// `pallet-xcm-bridge-hub-router::Call::report_bridge_status`
+	#[codec(index = 0)]
+	report_bridge_status { bridge_id: H256, is_congested: bool },
+}