mirror of https://github.com/poanetwork/quorum.git
317 lines
9.2 KiB
Go
317 lines
9.2 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package tests
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import (
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"bytes"
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"fmt"
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"math/big"
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"os"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/logger/glog"
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)
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var (
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ForceJit bool
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EnableJit bool
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)
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func init() {
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glog.SetV(0)
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if os.Getenv("JITVM") == "true" {
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ForceJit = true
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EnableJit = true
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}
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}
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func checkLogs(tlog []Log, logs vm.Logs) error {
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if len(tlog) != len(logs) {
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return fmt.Errorf("log length mismatch. Expected %d, got %d", len(tlog), len(logs))
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} else {
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for i, log := range tlog {
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if common.HexToAddress(log.AddressF) != logs[i].Address {
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return fmt.Errorf("log address expected %v got %x", log.AddressF, logs[i].Address)
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}
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if !bytes.Equal(logs[i].Data, common.FromHex(log.DataF)) {
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return fmt.Errorf("log data expected %v got %x", log.DataF, logs[i].Data)
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}
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if len(log.TopicsF) != len(logs[i].Topics) {
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return fmt.Errorf("log topics length expected %d got %d", len(log.TopicsF), logs[i].Topics)
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} else {
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for j, topic := range log.TopicsF {
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if common.HexToHash(topic) != logs[i].Topics[j] {
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return fmt.Errorf("log topic[%d] expected %v got %x", j, topic, logs[i].Topics[j])
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}
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}
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}
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genBloom := common.LeftPadBytes(types.LogsBloom(vm.Logs{logs[i]}).Bytes(), 256)
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if !bytes.Equal(genBloom, common.Hex2Bytes(log.BloomF)) {
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return fmt.Errorf("bloom mismatch")
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}
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}
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}
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return nil
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}
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type Account struct {
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Balance string
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Code string
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Nonce string
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Storage map[string]string
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}
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type Log struct {
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AddressF string `json:"address"`
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DataF string `json:"data"`
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TopicsF []string `json:"topics"`
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BloomF string `json:"bloom"`
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}
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func (self Log) Address() []byte { return common.Hex2Bytes(self.AddressF) }
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func (self Log) Data() []byte { return common.Hex2Bytes(self.DataF) }
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func (self Log) RlpData() interface{} { return nil }
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func (self Log) Topics() [][]byte {
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t := make([][]byte, len(self.TopicsF))
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for i, topic := range self.TopicsF {
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t[i] = common.Hex2Bytes(topic)
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}
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return t
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}
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func StateObjectFromAccount(db ethdb.Database, addr string, account Account) *state.StateObject {
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obj := state.NewStateObject(common.HexToAddress(addr), db)
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obj.SetBalance(common.Big(account.Balance))
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if common.IsHex(account.Code) {
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account.Code = account.Code[2:]
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}
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obj.SetCode(common.Hex2Bytes(account.Code))
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obj.SetNonce(common.Big(account.Nonce).Uint64())
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return obj
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}
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type VmEnv struct {
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CurrentCoinbase string
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CurrentDifficulty string
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CurrentGasLimit string
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CurrentNumber string
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CurrentTimestamp interface{}
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PreviousHash string
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}
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type VmTest struct {
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Callcreates interface{}
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//Env map[string]string
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Env VmEnv
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Exec map[string]string
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Transaction map[string]string
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Logs []Log
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Gas string
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Out string
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Post map[string]Account
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Pre map[string]Account
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PostStateRoot string
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}
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type RuleSet struct {
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HomesteadBlock *big.Int
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}
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func (r RuleSet) IsHomestead(n *big.Int) bool {
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return n.Cmp(r.HomesteadBlock) >= 0
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}
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type Env struct {
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ruleSet RuleSet
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depth int
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state *state.StateDB
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skipTransfer bool
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initial bool
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Gas *big.Int
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origin common.Address
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parent common.Hash
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coinbase common.Address
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number *big.Int
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time *big.Int
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difficulty *big.Int
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gasLimit *big.Int
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logs []vm.StructLog
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vmTest bool
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evm *vm.EVM
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}
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func NewEnv(ruleSet RuleSet, state *state.StateDB) *Env {
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env := &Env{
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ruleSet: ruleSet,
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state: state,
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}
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return env
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}
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func (self *Env) StructLogs() []vm.StructLog {
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return self.logs
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}
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func (self *Env) AddStructLog(log vm.StructLog) {
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self.logs = append(self.logs, log)
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}
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func NewEnvFromMap(ruleSet RuleSet, state *state.StateDB, envValues map[string]string, exeValues map[string]string) *Env {
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env := NewEnv(ruleSet, state)
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env.origin = common.HexToAddress(exeValues["caller"])
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env.parent = common.HexToHash(envValues["previousHash"])
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env.coinbase = common.HexToAddress(envValues["currentCoinbase"])
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env.number = common.Big(envValues["currentNumber"])
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env.time = common.Big(envValues["currentTimestamp"])
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env.difficulty = common.Big(envValues["currentDifficulty"])
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env.gasLimit = common.Big(envValues["currentGasLimit"])
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env.Gas = new(big.Int)
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env.evm = vm.New(env, vm.Config{
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EnableJit: EnableJit,
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ForceJit: ForceJit,
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})
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return env
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}
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func (self *Env) RuleSet() vm.RuleSet { return self.ruleSet }
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func (self *Env) Vm() vm.Vm { return self.evm }
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func (self *Env) Origin() common.Address { return self.origin }
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func (self *Env) BlockNumber() *big.Int { return self.number }
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func (self *Env) Coinbase() common.Address { return self.coinbase }
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func (self *Env) Time() *big.Int { return self.time }
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func (self *Env) Difficulty() *big.Int { return self.difficulty }
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func (self *Env) Db() vm.Database { return self.state }
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func (self *Env) GasLimit() *big.Int { return self.gasLimit }
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func (self *Env) VmType() vm.Type { return vm.StdVmTy }
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func (self *Env) GetHash(n uint64) common.Hash {
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return common.BytesToHash(crypto.Keccak256([]byte(big.NewInt(int64(n)).String())))
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}
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func (self *Env) AddLog(log *vm.Log) {
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self.state.AddLog(log)
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}
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func (self *Env) Depth() int { return self.depth }
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func (self *Env) SetDepth(i int) { self.depth = i }
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func (self *Env) CanTransfer(from common.Address, balance *big.Int) bool {
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if self.skipTransfer {
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if self.initial {
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self.initial = false
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return true
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}
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}
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return self.state.GetBalance(from).Cmp(balance) >= 0
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}
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func (self *Env) MakeSnapshot() vm.Database {
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return self.state.Copy()
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}
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func (self *Env) SetSnapshot(copy vm.Database) {
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self.state.Set(copy.(*state.StateDB))
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}
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func (self *Env) Transfer(from, to vm.Account, amount *big.Int) {
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if self.skipTransfer {
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return
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}
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core.Transfer(from, to, amount)
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}
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func (self *Env) Call(caller vm.ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
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if self.vmTest && self.depth > 0 {
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caller.ReturnGas(gas, price)
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return nil, nil
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}
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ret, err := core.Call(self, caller, addr, data, gas, price, value)
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self.Gas = gas
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return ret, err
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}
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func (self *Env) CallCode(caller vm.ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
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if self.vmTest && self.depth > 0 {
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caller.ReturnGas(gas, price)
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return nil, nil
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}
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return core.CallCode(self, caller, addr, data, gas, price, value)
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}
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func (self *Env) DelegateCall(caller vm.ContractRef, addr common.Address, data []byte, gas, price *big.Int) ([]byte, error) {
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if self.vmTest && self.depth > 0 {
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caller.ReturnGas(gas, price)
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return nil, nil
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}
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return core.DelegateCall(self, caller, addr, data, gas, price)
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}
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func (self *Env) Create(caller vm.ContractRef, data []byte, gas, price, value *big.Int) ([]byte, common.Address, error) {
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if self.vmTest {
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caller.ReturnGas(gas, price)
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nonce := self.state.GetNonce(caller.Address())
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obj := self.state.GetOrNewStateObject(crypto.CreateAddress(caller.Address(), nonce))
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return nil, obj.Address(), nil
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} else {
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return core.Create(self, caller, data, gas, price, value)
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}
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}
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type Message struct {
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from common.Address
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to *common.Address
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value, gas, price *big.Int
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data []byte
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nonce uint64
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}
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func NewMessage(from common.Address, to *common.Address, data []byte, value, gas, price *big.Int, nonce uint64) Message {
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return Message{from, to, value, gas, price, data, nonce}
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}
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func (self Message) Hash() []byte { return nil }
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func (self Message) From() (common.Address, error) { return self.from, nil }
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func (self Message) FromFrontier() (common.Address, error) { return self.from, nil }
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func (self Message) To() *common.Address { return self.to }
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func (self Message) GasPrice() *big.Int { return self.price }
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func (self Message) Gas() *big.Int { return self.gas }
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func (self Message) Value() *big.Int { return self.value }
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func (self Message) Nonce() uint64 { return self.nonce }
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func (self Message) CheckNonce() bool { return true }
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func (self Message) Data() []byte { return self.data }
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