feat(node): Implement builtin actor providing bls12-381 (#3771)

Co-authored-by: LouiseMedova <[email protected]>

Cargo.toml

@@ -26,6 +26,7 @@ members = [
     "examples/async-signal-entry",
     "examples/async-tester",
     "examples/autoreply",
+    "examples/bls381",
     "examples/calc-hash",
     "examples/custom",
     "examples/delayed-reservation-sender",
@@ -72,6 +73,7 @@ members = [
     "examples/waiting-proxy",
     "examples/wat",
     "galloc",
+    "gbuiltins/bls381",
     "gcli",
     "gclient",
     "gcore",
@@ -166,6 +168,12 @@ which = "4.4.2"
 winapi = "0.3.9"
 paste = "1.0"
 tempfile = "3.10.1"
+ark-std = { version = "0.4.0", default-features = false }
+ark-bls12-381 = { version = "0.4.0", default-features = false }
+ark-serialize = { version = "0.4", default-features = false }
+ark-ec = { version = "0.4.2", default-features = false }
+ark-ff = { version = "0.4.2", default-features = false }
+ark-scale = { version = "0.0.12", default-features = false }
 
 # Published deps
 #
@@ -182,6 +190,7 @@ authorship = { package = "gear-authorship", path = "node/authorship" }
 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 }
 gcore = { path = "gcore" }
 gcli = { path = "gcli" }
 gclient = { path = "gclient" }
@@ -304,6 +313,7 @@ sc-consensus-babe = { version = "0.10.0-dev", git = "https://github.com/gear-tec
 sc-consensus-babe-rpc = { version = "0.10.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.1.0" }
 sc-consensus-epochs = { version = "0.10.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.1.0" }
 sc-consensus-slots = { version = "0.10.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.1.0" }
+sp-crypto-ec-utils = { version = "0.4.1", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.1.0", default-features = false }
 sp-debug-derive = { version = "8.0.0", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.1.0", default-features = false }
 sc-chain-spec = { version = "4.0.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.1.0" }
 sc-cli = { version = "0.10.0-dev", git = "https://github.com/gear-tech/polkadot-sdk.git", branch = "gear-v1.1.0" }
@@ -379,6 +389,7 @@ demo-async-init = { path = "examples/async-init" }
 demo-async-recursion = { path = "examples/async-recursion" }
 demo-async-signal-entry = { path = "examples/async-signal-entry" }
 demo-async-tester = { path = "examples/async-tester" }
+demo-bls381 = { path = "examples/bls381" }
 demo-calc-hash = { path = "examples/calc-hash" }
 demo-calc-hash-in-one-block = { path = "examples/calc-hash/in-one-block" }
 demo-calc-hash-over-blocks = { path = "examples/calc-hash/over-blocks" }

examples/bls381/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "demo-bls381"
+version = "0.1.0"
+authors.workspace = true
+edition.workspace = true
+license.workspace = true
+homepage.workspace = true
+repository.workspace = true
+
+[dependencies]
+codec = { workspace = true, features = ["derive"] }
+gstd = { workspace = true, features = ["debug"] }
+gbuiltin-bls381.workspace = true
+hex-literal.workspace = true
+
+[build-dependencies]
+gear-wasm-builder.workspace = true
+
+[features]
+default = ["std"]
+std = ["codec/std"]

examples/bls381/build.rs

@@ -0,0 +1,21 @@
+// 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/>.
+
+fn main() {
+    gear_wasm_builder::build();
+}