github.com/aigarnetwork/aigar@v0.0.0-20191115204914-d59a6eb70f8e/core/vm/runtime/env.go (about)

     1  //  Copyright 2018 The go-ethereum Authors
     2  //  Copyright 2019 The go-aigar Authors
     3  //  This file is part of the go-aigar library.
     4  //
     5  //  The go-aigar library is free software: you can redistribute it and/or modify
     6  //  it under the terms of the GNU Lesser General Public License as published by
     7  //  the Free Software Foundation, either version 3 of the License, or
     8  //  (at your option) any later version.
     9  //
    10  //  The go-aigar library is distributed in the hope that it will be useful,
    11  //  but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  //  GNU Lesser General Public License for more details.
    14  //
    15  //  You should have received a copy of the GNU Lesser General Public License
    16  //  along with the go-aigar library. If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package runtime
    19  
    20  import (
    21  	"github.com/AigarNetwork/aigar/common"
    22  	"github.com/AigarNetwork/aigar/core"
    23  	"github.com/AigarNetwork/aigar/core/vm"
    24  )
    25  
    26  func NewEnv(cfg *Config) *vm.EVM {
    27  	context := vm.Context{
    28  		CanTransfer: core.CanTransfer,
    29  		Transfer:    core.Transfer,
    30  		GetHash:     func(uint64) common.Hash { return common.Hash{} },
    31  
    32  		Origin:      cfg.Origin,
    33  		Coinbase:    cfg.Coinbase,
    34  		BlockNumber: cfg.BlockNumber,
    35  		Time:        cfg.Time,
    36  		Difficulty:  cfg.Difficulty,
    37  		GasLimit:    cfg.GasLimit,
    38  		GasPrice:    cfg.GasPrice,
    39  	}
    40  
    41  	return vm.NewEVM(context, cfg.State, cfg.ChainConfig, cfg.EVMConfig)
    42  }