forked from mirror/go-ethereum
Taylor Gerring
10 years ago
parent
c5d6fcbaba
commit
b6d40a9312
@ -0,0 +1,252 @@ |
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package tests |
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import ( |
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"bytes" |
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"errors" |
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"fmt" |
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"math/big" |
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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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) |
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func checkLogs(tlog []Log, logs state.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(state.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 common.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 Env struct { |
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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 int64 |
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difficulty *big.Int |
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gasLimit *big.Int |
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logs state.Logs |
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vmTest bool |
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} |
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func NewEnv(state *state.StateDB) *Env { |
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return &Env{ |
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state: state, |
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} |
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} |
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func NewEnvFromMap(state *state.StateDB, envValues map[string]string, exeValues map[string]string) *Env { |
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env := NewEnv(state) |
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env.origin = common.HexToAddress(exeValues["caller"]) |
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//env.parent = common.Hex2Bytes(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"]).Int64() |
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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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return env |
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} |
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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) PrevHash() []byte { return self.parent }
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func (self *Env) Coinbase() common.Address { return self.coinbase } |
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func (self *Env) Time() int64 { return self.time } |
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func (self *Env) Difficulty() *big.Int { return self.difficulty } |
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func (self *Env) State() *state.StateDB { 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.Sha3([]byte(big.NewInt(int64(n)).String()))) |
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} |
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func (self *Env) AddLog(log *state.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) Transfer(from, to vm.Account, amount *big.Int) error { |
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if self.skipTransfer { |
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// ugly hack
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if self.initial { |
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self.initial = false |
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return nil |
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} |
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if from.Balance().Cmp(amount) < 0 { |
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return errors.New("Insufficient balance in account") |
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} |
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return nil |
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} |
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return vm.Transfer(from, to, amount) |
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} |
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func (self *Env) vm(addr *common.Address, data []byte, gas, price, value *big.Int) *core.Execution { |
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exec := core.NewExecution(self, addr, data, gas, price, value) |
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return exec |
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} |
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func (self *Env) Call(caller vm.ContextRef, 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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exe := self.vm(&addr, data, gas, price, value) |
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ret, err := exe.Call(addr, caller) |
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self.Gas = exe.Gas |
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return ret, err |
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} |
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func (self *Env) CallCode(caller vm.ContextRef, 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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caddr := caller.Address() |
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exe := self.vm(&caddr, data, gas, price, value) |
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return exe.Call(addr, caller) |
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} |
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func (self *Env) Create(caller vm.ContextRef, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) { |
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exe := self.vm(nil, data, gas, price, value) |
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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, nil, obj |
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} else { |
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return exe.Create(caller) |
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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) 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) Data() []byte { return self.data } |
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