github.com/MetalBlockchain/subnet-evm@v0.4.9/core/vm/runtime/env.go (about)

     1  // (c) 2019-2021, Ava Labs, Inc.
     2  //
     3  // This file is a derived work, based on the go-ethereum library whose original
     4  // notices appear below.
     5  //
     6  // It is distributed under a license compatible with the licensing terms of the
     7  // original code from which it is derived.
     8  //
     9  // Much love to the original authors for their work.
    10  // **********
    11  // Copyright 2015 The go-ethereum Authors
    12  // This file is part of the go-ethereum library.
    13  //
    14  // The go-ethereum library is free software: you can redistribute it and/or modify
    15  // it under the terms of the GNU Lesser General Public License as published by
    16  // the Free Software Foundation, either version 3 of the License, or
    17  // (at your option) any later version.
    18  //
    19  // The go-ethereum library is distributed in the hope that it will be useful,
    20  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    21  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    22  // GNU Lesser General Public License for more details.
    23  //
    24  // You should have received a copy of the GNU Lesser General Public License
    25  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    26  
    27  package runtime
    28  
    29  import (
    30  	"github.com/MetalBlockchain/subnet-evm/core"
    31  	"github.com/MetalBlockchain/subnet-evm/core/vm"
    32  )
    33  
    34  func NewEnv(cfg *Config) *vm.EVM {
    35  	txContext := vm.TxContext{
    36  		Origin:   cfg.Origin,
    37  		GasPrice: cfg.GasPrice,
    38  	}
    39  	blockContext := vm.BlockContext{
    40  		CanTransfer: core.CanTransfer,
    41  		Transfer:    core.Transfer,
    42  		GetHash:     cfg.GetHashFn,
    43  		Coinbase:    cfg.Coinbase,
    44  		BlockNumber: cfg.BlockNumber,
    45  		Time:        cfg.Time,
    46  		Difficulty:  cfg.Difficulty,
    47  		GasLimit:    cfg.GasLimit,
    48  		BaseFee:     cfg.BaseFee,
    49  	}
    50  
    51  	return vm.NewEVM(blockContext, txContext, cfg.State, cfg.ChainConfig, cfg.EVMConfig)
    52  }