pallet-revive 0.7.2

// This file is part of Substrate.

// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use crate::{
	precompiles::{BuiltinAddressMatcher, Error, Ext, PrimitivePrecompile},
	Config, Error as CrateError,
};
use alloc::vec::Vec;
use core::{marker::PhantomData, num::NonZero};

pub struct PointEval<T>(PhantomData<T>);

impl<T: Config> PrimitivePrecompile for PointEval<T> {
	type T = T;
	const MATCHER: BuiltinAddressMatcher =
		BuiltinAddressMatcher::Fixed(NonZero::new(0x0a).unwrap());
	const HAS_CONTRACT_INFO: bool = false;

	fn call(
		_address: &[u8; 20],
		_input: Vec<u8>,
		_env: &mut impl Ext<T = Self::T>,
	) -> Result<Vec<u8>, Error> {
		// Exists on Ethereum but we didn't implement it, yet.
		// This fails the call instead of doing a silent balance transfer.
		Err(<CrateError<T>>::UnsupportedPrecompileAddress.into())
	}
}