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// SPDX-License-Identifier: Apache-2.0
// This file is part of Frontier.
//
// Copyright (c) 2020-2022 Parity Technologies (UK) Ltd.
//
// 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.

pub mod stack;

use crate::{Config, Weight};
use fp_evm::{CallInfo, CreateInfo};
use sp_core::{H160, H256, U256};
use sp_std::vec::Vec;

#[derive(Debug)]
pub struct RunnerError<E: Into<sp_runtime::DispatchError>> {
    pub error: E,
    pub weight: Weight,
}

pub trait Runner<T: Config> {
    type Error: Into<sp_runtime::DispatchError>;

    fn validate(
        source: H160,
        target: Option<H160>,
        input: Vec<u8>,
        value: U256,
        gas_limit: u64,
        max_fee_per_gas: Option<U256>,
        max_priority_fee_per_gas: Option<U256>,
        nonce: Option<U256>,
        access_list: Vec<(H160, Vec<H256>)>,
        is_transactional: bool,
        weight_limit: Option<Weight>,
        proof_size_base_cost: Option<u64>,
        evm_config: &evm::Config,
    ) -> Result<(), RunnerError<Self::Error>>;

    fn call(
        source: H160,
        target: H160,
        input: Vec<u8>,
        value: U256,
        gas_limit: u64,
        max_fee_per_gas: Option<U256>,
        max_priority_fee_per_gas: Option<U256>,
        nonce: Option<U256>,
        access_list: Vec<(H160, Vec<H256>)>,
        is_transactional: bool,
        validate: bool,
        weight_limit: Option<Weight>,
        proof_size_base_cost: Option<u64>,
        config: &evm::Config,
    ) -> Result<CallInfo, RunnerError<Self::Error>>;

    fn create(
        source: H160,
        init: Vec<u8>,
        value: U256,
        gas_limit: u64,
        max_fee_per_gas: Option<U256>,
        max_priority_fee_per_gas: Option<U256>,
        nonce: Option<U256>,
        access_list: Vec<(H160, Vec<H256>)>,
        is_transactional: bool,
        validate: bool,
        weight_limit: Option<Weight>,
        proof_size_base_cost: Option<u64>,
        config: &evm::Config,
    ) -> Result<CreateInfo, RunnerError<Self::Error>>;

    fn create2(
        source: H160,
        init: Vec<u8>,
        salt: H256,
        value: U256,
        gas_limit: u64,
        max_fee_per_gas: Option<U256>,
        max_priority_fee_per_gas: Option<U256>,
        nonce: Option<U256>,
        access_list: Vec<(H160, Vec<H256>)>,
        is_transactional: bool,
        validate: bool,
        weight_limit: Option<Weight>,
        proof_size_base_cost: Option<u64>,
        config: &evm::Config,
    ) -> Result<CreateInfo, RunnerError<Self::Error>>;
}