plugeth/core/vm/runtime/env.go
Martin Holst Swende 058a4ac5f1
core/evm: less iteration in blockhash (#20589)
* core/vm/runtime: add test for blockhash

* core/evm: less iteration in blockhash

* core/vm/runtime: nitpickfix

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2020-02-04 12:32:31 +02:00

40 lines
1.3 KiB
Go

// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package runtime
import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/vm"
)
func NewEnv(cfg *Config) *vm.EVM {
context := vm.Context{
CanTransfer: core.CanTransfer,
Transfer: core.Transfer,
GetHash: cfg.GetHashFn,
Origin: cfg.Origin,
Coinbase: cfg.Coinbase,
BlockNumber: cfg.BlockNumber,
Time: cfg.Time,
Difficulty: cfg.Difficulty,
GasLimit: cfg.GasLimit,
GasPrice: cfg.GasPrice,
}
return vm.NewEVM(context, cfg.State, cfg.ChainConfig, cfg.EVMConfig)
}