Merge commit '392447f5c8f986ded2559a78457f4cd87942f393' into update-bridges-subtree-r/w

2026-05-30 22:11:02 +00:00 · 2021-12-01 09:46:14 +01:00
parent e16f71b7b6 392447f5c8
commit 5228731ae8
321 changed files with 28385 additions and 10466 deletions
@@ -0,0 +1,103 @@
+// 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/>.
+
+use codec::Decode;
+use frame_support::weights::{DispatchClass, DispatchInfo, Pays, Weight};
+use relay_polkadot_client::Polkadot;
+use sp_version::RuntimeVersion;
+
+use crate::cli::{
+	bridge,
+	encode_call::{Call, CliEncodeCall},
+	encode_message, CliChain,
+};
+
+/// Weight of the `system::remark` call at Polkadot.
+///
+/// This weight is larger (x2) than actual weight at current Polkadot runtime to avoid unsuccessful
+/// calls in the future. But since it is used only in tests (and on test chains), this is ok.
+pub(crate) const SYSTEM_REMARK_CALL_WEIGHT: Weight = 2 * 1_345_000;
+
+/// Id of Polkadot token that is used to fetch token price.
+pub(crate) const TOKEN_ID: &str = "polkadot";
+
+impl CliEncodeCall for Polkadot {
+	fn max_extrinsic_size() -> u32 {
+		bp_polkadot::max_extrinsic_size()
+	}
+
+	fn encode_call(call: &Call) -> anyhow::Result<Self::Call> {
+		Ok(match call {
+			Call::Remark { remark_payload, .. } => relay_polkadot_client::runtime::Call::System(
+				relay_polkadot_client::runtime::SystemCall::remark(
+					remark_payload.as_ref().map(|x| x.0.clone()).unwrap_or_default(),
+				),
+			),
+			Call::BridgeSendMessage { lane, payload, fee, bridge_instance_index } =>
+				match *bridge_instance_index {
+					bridge::POLKADOT_TO_KUSAMA_INDEX => {
+						let payload = Decode::decode(&mut &*payload.0)?;
+						relay_polkadot_client::runtime::Call::BridgeKusamaMessages(
+							relay_polkadot_client::runtime::BridgeKusamaMessagesCall::send_message(
+								lane.0, payload, fee.0,
+							),
+						)
+					},
+					_ => anyhow::bail!(
+						"Unsupported target bridge pallet with instance index: {}",
+						bridge_instance_index
+					),
+				},
+			_ => anyhow::bail!("Unsupported Polkadot call: {:?}", call),
+		})
+	}
+
+	fn get_dispatch_info(
+		call: &relay_polkadot_client::runtime::Call,
+	) -> anyhow::Result<DispatchInfo> {
+		match *call {
+			relay_polkadot_client::runtime::Call::System(
+				relay_polkadot_client::runtime::SystemCall::remark(_),
+			) => Ok(DispatchInfo {
+				weight: crate::chains::polkadot::SYSTEM_REMARK_CALL_WEIGHT,
+				class: DispatchClass::Normal,
+				pays_fee: Pays::Yes,
+			}),
+			_ => anyhow::bail!("Unsupported Polkadot call: {:?}", call),
+		}
+	}
+}
+
+impl CliChain for Polkadot {
+	const RUNTIME_VERSION: RuntimeVersion = bp_polkadot::VERSION;
+
+	type KeyPair = sp_core::sr25519::Pair;
+	type MessagePayload = ();
+
+	fn ss58_format() -> u16 {
+		42
+	}
+
+	fn max_extrinsic_weight() -> Weight {
+		bp_polkadot::max_extrinsic_weight()
+	}
+
+	fn encode_message(
+		_message: encode_message::MessagePayload,
+	) -> anyhow::Result<Self::MessagePayload> {
+		anyhow::bail!("Sending messages from Polkadot is not yet supported.")
+	}
+}