github.com/linapex/ethereum-go-chinese@v0.0.0-20190316121929-f8b7a73c3fa1/core/vm/runtime/env.go (about)

     1  
     2  //<developer>
     3  //    <name>linapex 曹一峰</name>
     4  //    <email>linapex@163.com</email>
     5  //    <wx>superexc</wx>
     6  //    <qqgroup>128148617</qqgroup>
     7  //    <url>https://jsq.ink</url>
     8  //    <role>pku engineer</role>
     9  //    <date>2019-03-16 19:16:36</date>
    10  //</624450083156398080>
    11  
    12  
    13  package runtime
    14  
    15  import (
    16  	"github.com/ethereum/go-ethereum/common"
    17  	"github.com/ethereum/go-ethereum/core"
    18  	"github.com/ethereum/go-ethereum/core/vm"
    19  )
    20  
    21  func NewEnv(cfg *Config) *vm.EVM {
    22  	context := vm.Context{
    23  		CanTransfer: core.CanTransfer,
    24  		Transfer:    core.Transfer,
    25  		GetHash:     func(uint64) common.Hash { return common.Hash{} },
    26  
    27  		Origin:      cfg.Origin,
    28  		Coinbase:    cfg.Coinbase,
    29  		BlockNumber: cfg.BlockNumber,
    30  		Time:        cfg.Time,
    31  		Difficulty:  cfg.Difficulty,
    32  		GasLimit:    cfg.GasLimit,
    33  		GasPrice:    cfg.GasPrice,
    34  	}
    35  
    36  	return vm.NewEVM(context, cfg.State, cfg.ChainConfig, cfg.EVMConfig)
    37  }
    38