Merge commit 'e5bed7ac380b6adb54b60a2a72a2a8f07f50d6c1' as 'bridges'

2026-05-30 21:01:02 +00:00 · 2021-04-21 11:56:23 -04:00
parent 86a376cd69 e5bed7ac38
commit 3f92e81541
339 changed files with 71658 additions and 0 deletions
@@ -0,0 +1,101 @@
+// 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/>.
+
+//! Millau chain specification for CLI.
+
+use crate::cli::{
+	bridge,
+	encode_call::{self, Call, CliEncodeCall},
+	encode_message, send_message, CliChain,
+};
+use codec::Decode;
+use frame_support::weights::{GetDispatchInfo, Weight};
+use pallet_bridge_dispatch::{CallOrigin, MessagePayload};
+use relay_millau_client::Millau;
+use sp_version::RuntimeVersion;
+
+impl CliEncodeCall for Millau {
+	fn max_extrinsic_size() -> u32 {
+		bp_millau::max_extrinsic_size()
+	}
+
+	fn encode_call(call: &Call) -> anyhow::Result<Self::Call> {
+		Ok(match call {
+			Call::Raw { data } => Decode::decode(&mut &*data.0)?,
+			Call::Remark { remark_payload, .. } => millau_runtime::Call::System(millau_runtime::SystemCall::remark(
+				remark_payload.as_ref().map(|x| x.0.clone()).unwrap_or_default(),
+			)),
+			Call::Transfer { recipient, amount } => millau_runtime::Call::Balances(
+				millau_runtime::BalancesCall::transfer(recipient.raw_id(), amount.cast()),
+			),
+			Call::BridgeSendMessage {
+				lane,
+				payload,
+				fee,
+				bridge_instance_index,
+			} => match *bridge_instance_index {
+				bridge::MILLAU_TO_RIALTO_INDEX => {
+					let payload = Decode::decode(&mut &*payload.0)?;
+					millau_runtime::Call::BridgeRialtoMessages(millau_runtime::MessagesCall::send_message(
+						lane.0,
+						payload,
+						fee.cast(),
+					))
+				}
+				_ => anyhow::bail!(
+					"Unsupported target bridge pallet with instance index: {}",
+					bridge_instance_index
+				),
+			},
+		})
+	}
+}
+
+impl CliChain for Millau {
+	const RUNTIME_VERSION: RuntimeVersion = millau_runtime::VERSION;
+
+	type KeyPair = sp_core::sr25519::Pair;
+	type MessagePayload = MessagePayload<bp_millau::AccountId, bp_rialto::AccountSigner, bp_rialto::Signature, Vec<u8>>;
+
+	fn ss58_format() -> u16 {
+		millau_runtime::SS58Prefix::get() as u16
+	}
+
+	fn max_extrinsic_weight() -> Weight {
+		bp_millau::max_extrinsic_weight()
+	}
+
+	// TODO [#854|#843] support multiple bridges?
+	fn encode_message(message: encode_message::MessagePayload) -> Result<Self::MessagePayload, String> {
+		match message {
+			encode_message::MessagePayload::Raw { data } => MessagePayload::decode(&mut &*data.0)
+				.map_err(|e| format!("Failed to decode Millau's MessagePayload: {:?}", e)),
+			encode_message::MessagePayload::Call { mut call, mut sender } => {
+				type Source = Millau;
+				type Target = relay_rialto_client::Rialto;
+
+				sender.enforce_chain::<Source>();
+				let spec_version = Target::RUNTIME_VERSION.spec_version;
+				let origin = CallOrigin::SourceAccount(sender.raw_id());
+				encode_call::preprocess_call::<Source, Target>(&mut call, bridge::MILLAU_TO_RIALTO_INDEX);
+				let call = Target::encode_call(&call).map_err(|e| e.to_string())?;
+				let weight = call.get_dispatch_info().weight;
+
+				Ok(send_message::message_payload(spec_version, weight, origin, &call))
+			}
+		}
+	}
+}