Official Go implementation of the Ethereum protocol
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go-ethereum/core/vm/runtime/env.go

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// 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 (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
)
func NewEnv(cfg *Config, state *state.StateDB) *vm.EVM {
context := vm.Context{
CanTransfer: core.CanTransfer,
Transfer: core.Transfer,
GetHash: func(uint64) common.Hash { return common.Hash{} },
Origin: cfg.Origin,
Coinbase: cfg.Coinbase,
BlockNumber: cfg.BlockNumber,
Time: cfg.Time,
Difficulty: cfg.Difficulty,
GasLimit: new(big.Int).SetUint64(cfg.GasLimit),
GasPrice: cfg.GasPrice,
}
return vm.NewEVM(context, cfg.State, cfg.ChainConfig, cfg.EVMConfig)
}