feat: pallet-gear-eth-bridge (#4015)

.maintain/frame-weight-template.hbs

@@ -31,6 +31,7 @@
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 #![allow(clippy::unnecessary_cast)]
+#![allow(missing_docs)]
 
 use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
 use sp_std::marker::PhantomData;

Cargo.toml

@@ -82,8 +82,7 @@ members = [
     "examples/waiting-proxy",
     "examples/wat",
     "galloc",
-    "gbuiltins/bls381",
-    "gbuiltins/staking",
+    "gbuiltins/*",
     "gcli",
     "gclient",
     "gcore",
@@ -211,6 +210,7 @@ common = { package = "gear-common", path = "common", default-features = false }
 core-processor = { package = "gear-core-processor", path = "core-processor", default-features = false }
 galloc = { path = "galloc" }
 gbuiltin-bls381 = { path = "gbuiltins/bls381", default-features = false }
+gbuiltin-eth-bridge = { path = "gbuiltins/eth-bridge", default-features = false }
 gbuiltin-staking = { path = "gbuiltins/staking" }
 gcore = { path = "gcore" }
 gcli = { path = "gcli" }
@@ -258,6 +258,9 @@ actor-system-error = { path = "utils/actor-system-error" }
 calc-stack-height = { path = "utils/calc-stack-height" }
 pallet-gear = { path = "pallets/gear", default-features = false }
 pallet-gear-debug = { path = "pallets/gear-debug", default-features = false }
+pallet-gear-eth-bridge = { path = "pallets/gear-eth-bridge", default-features = false }
+pallet-gear-eth-bridge-rpc = { path = "pallets/gear-eth-bridge/rpc", default-features = false }
+pallet-gear-eth-bridge-rpc-runtime-api = { path = "pallets/gear-eth-bridge/rpc/runtime-api", default-features = false }
 pallet-gear-gas = { path = "pallets/gas", default-features = false }
 pallet-gear-messenger = { path = "pallets/gear-messenger", default-features = false }
 pallet-gear-payment = { path = "pallets/payment", default-features = false }
@@ -303,6 +306,7 @@ sandbox-wasmer-types = { package = "wasmer-types", version = "4.3.4" }
 sandbox-wasmi = { package = "wasmi", git = "https://github.com/gear-tech/wasmi", branch = "v0.13.2-sign-ext", features = ["virtual_memory"] }
 
 # Substrate deps
+binary-merkle-tree = { version = "4.0.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.4.0", default-features = false }
 frame-benchmarking = { version = "4.0.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.4.0", default-features = false }
 frame-benchmarking-cli = { version = "4.0.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.4.0" }
 frame-election-provider-support = { version = "4.0.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.4.0", default-features = false }

gbuiltins/eth-bridge/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "gbuiltin-eth-bridge"
+description = "Entities for working with Gear builtin actor providing `pallet-gear-eth-bridge` interface"
+version.workspace = true
+authors.workspace = true
+edition.workspace = true
+license.workspace = true
+
+[dependencies]
+parity-scale-codec = { workspace = true, features = ["derive"] }
+scale-info = { workspace = true, features = ["derive"] }
+gprimitives.workspace = true

gbuiltins/eth-bridge/src/lib.rs

@@ -0,0 +1,38 @@
+// This file is part of Gear.
+
+// Copyright (C) 2024 Gear Technologies Inc.
+// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
+
+// This program 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.
+
+// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
+
+#![no_std]
+
+extern crate alloc;
+
+use alloc::vec::Vec;
+use gprimitives::{H160, H256, U256};
+use parity_scale_codec::{Decode, Encode};
+use scale_info::TypeInfo;
+
+#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Encode, Decode, TypeInfo)]
+pub enum Request {
+    #[codec(index = 0)]
+    SendEthMessage { destination: H160, payload: Vec<u8> },
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Encode, Decode, TypeInfo)]
+pub enum Response {
+    #[codec(index = 0)]
+    EthMessageQueued { nonce: U256, hash: H256 },
+}