github.com/tacshi/go-ethereum@v0.0.0-20230616113857-84a434e20921/core/vm/runtime/env.go (about)

     1  // Copyright 2015 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package runtime
    18  
    19  import (
    20  	"github.com/tacshi/go-ethereum/core"
    21  	"github.com/tacshi/go-ethereum/core/vm"
    22  )
    23  
    24  func NewEnv(cfg *Config) *vm.EVM {
    25  	if cfg.ChainConfig.IsArbitrum() {
    26  		panic("chain config has arbitrum enabled")
    27  	}
    28  	txContext := vm.TxContext{
    29  		Origin:   cfg.Origin,
    30  		GasPrice: cfg.GasPrice,
    31  	}
    32  	blockContext := vm.BlockContext{
    33  		CanTransfer: core.CanTransfer,
    34  		Transfer:    core.Transfer,
    35  		GetHash:     cfg.GetHashFn,
    36  		Coinbase:    cfg.Coinbase,
    37  		BlockNumber: cfg.BlockNumber,
    38  		Time:        cfg.Time,
    39  		Difficulty:  cfg.Difficulty,
    40  		GasLimit:    cfg.GasLimit,
    41  		BaseFee:     cfg.BaseFee,
    42  	}
    43  
    44  	return vm.NewEVM(blockContext, txContext, cfg.State, cfg.ChainConfig, cfg.EVMConfig)
    45  }