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@ -1,35 +1,17 @@ |
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package ethchain |
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package ethvm |
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import ( |
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"fmt" |
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"github.com/ethereum/eth-go/ethcrypto" |
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"github.com/ethereum/eth-go/ethlog" |
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"github.com/ethereum/eth-go/ethstate" |
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"github.com/ethereum/eth-go/ethutil" |
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"math" |
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"math/big" |
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) |
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var vmlogger = ethlog.NewLogger("VM") |
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var ( |
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GasStep = big.NewInt(1) |
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GasSha = big.NewInt(20) |
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GasSLoad = big.NewInt(20) |
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GasSStore = big.NewInt(100) |
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GasBalance = big.NewInt(20) |
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GasCreate = big.NewInt(100) |
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GasCall = big.NewInt(20) |
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GasMemory = big.NewInt(1) |
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GasData = big.NewInt(5) |
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GasTx = big.NewInt(500) |
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LogTyPretty byte = 0x1 |
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LogTyDiff byte = 0x2 |
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) |
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type Debugger interface { |
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BreakHook(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool |
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StepHook(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool |
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BreakHook(step int, op OpCode, mem *Memory, stack *Stack, object *ethstate.StateObject) bool |
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StepHook(step int, op OpCode, mem *Memory, stack *Stack, object *ethstate.StateObject) bool |
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BreakPoints() []int64 |
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SetCode(byteCode []byte) |
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} |
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@ -40,11 +22,7 @@ type Vm struct { |
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// non-persistent key/value memory storage
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mem map[string]*big.Int |
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vars RuntimeVars |
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state *State |
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stateManager *StateManager |
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env Environment |
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Verbose bool |
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@ -59,71 +37,59 @@ type Vm struct { |
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BreakPoints []int64 |
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Stepping bool |
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Fn string |
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} |
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type RuntimeVars struct { |
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Origin []byte |
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Block *Block |
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BlockNumber *big.Int |
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PrevHash []byte |
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Coinbase []byte |
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Time int64 |
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Diff *big.Int |
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TxData []string |
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Value *big.Int |
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Recoverable bool |
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} |
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func (self *Vm) Printf(format string, v ...interface{}) *Vm { |
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if self.Verbose && self.logTy == LogTyPretty { |
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self.logStr += fmt.Sprintf(format, v...) |
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} |
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type Environment interface { |
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State() *ethstate.State |
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return self |
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Origin() []byte |
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BlockNumber() *big.Int |
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PrevHash() []byte |
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Coinbase() []byte |
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Time() int64 |
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Difficulty() *big.Int |
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Value() *big.Int |
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} |
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func (self *Vm) Endl() *Vm { |
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if self.Verbose && self.logTy == LogTyPretty { |
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vmlogger.Debugln(self.logStr) |
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self.logStr = "" |
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} |
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return self |
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type Object interface { |
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GetStorage(key *big.Int) *ethutil.Value |
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SetStorage(key *big.Int, value *ethutil.Value) |
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} |
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func NewVm(state *State, stateManager *StateManager, vars RuntimeVars) *Vm { |
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func New(env Environment) *Vm { |
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lt := LogTyPretty |
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if ethutil.Config.Diff { |
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lt = LogTyDiff |
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} |
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return &Vm{vars: vars, state: state, stateManager: stateManager, logTy: lt} |
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return &Vm{env: env, logTy: lt, Recoverable: true} |
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} |
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var Pow256 = ethutil.BigPow(2, 256) |
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var isRequireError = false |
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func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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// Recover from any require exception
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defer func() { |
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if r := recover(); r != nil { |
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ret = closure.Return(nil) |
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err = fmt.Errorf("%v", r) |
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vmlogger.Errorln("vm err", err) |
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} |
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}() |
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func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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if self.Recoverable { |
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// Recover from any require exception
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defer func() { |
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if r := recover(); r != nil { |
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ret = closure.Return(nil) |
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err = fmt.Errorf("%v", r) |
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vmlogger.Errorln("vm err", err) |
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} |
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}() |
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} |
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// Debug hook
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if vm.Dbg != nil { |
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vm.Dbg.SetCode(closure.Script) |
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if self.Dbg != nil { |
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self.Dbg.SetCode(closure.Code) |
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} |
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// Don't bother with the execution if there's no code.
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if len(closure.Script) == 0 { |
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if len(closure.Code) == 0 { |
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return closure.Return(nil), nil |
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} |
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vmlogger.Debugf("(%s) %x gas: %v (d) %x\n", vm.Fn, closure.Address(), closure.Gas, closure.Args) |
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vmlogger.Debugf("(%s) %x gas: %v (d) %x\n", self.Fn, closure.Address(), closure.Gas, closure.Args) |
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var ( |
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op OpCode |
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@ -135,7 +101,6 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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prevStep = 0 |
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require = func(m int) { |
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if stack.Len() < m { |
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isRequireError = true |
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panic(fmt.Sprintf("%04v (%v) stack err size = %d, required = %d", pc, op, stack.Len(), m)) |
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} |
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} |
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@ -154,22 +119,23 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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// XXX Leave this Println intact. Don't change this to the log system.
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// Used for creating diffs between implementations
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if vm.logTy == LogTyDiff { |
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switch op { |
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case STOP, RETURN, SUICIDE: |
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closure.object.Sync() |
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closure.object.state.EachStorage(func(key string, value *ethutil.Value) { |
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value.Decode() |
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fmt.Printf("%x %x\n", new(big.Int).SetBytes([]byte(key)).Bytes(), value.Bytes()) |
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}) |
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} |
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if self.logTy == LogTyDiff { |
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/* |
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switch op { |
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case STOP, RETURN, SUICIDE: |
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closure.object.EachStorage(func(key string, value *ethutil.Value) { |
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value.Decode() |
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fmt.Printf("%x %x\n", new(big.Int).SetBytes([]byte(key)).Bytes(), value.Bytes()) |
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}) |
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} |
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b := pc.Bytes() |
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if len(b) == 0 { |
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b = []byte{0} |
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} |
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b := pc.Bytes() |
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if len(b) == 0 { |
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b = []byte{0} |
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} |
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fmt.Printf("%x %x %x %x\n", closure.Address(), b, []byte{byte(op)}, closure.Gas.Bytes()) |
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fmt.Printf("%x %x %x %x\n", closure.Address(), b, []byte{byte(op)}, closure.Gas.Bytes()) |
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*/ |
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} |
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gas := new(big.Int) |
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@ -261,8 +227,8 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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return closure.Return(nil), err |
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} |
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vm.Printf("(pc) %-3d -o- %-14s", pc, op.String()) |
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vm.Printf(" (g) %-3v (%v)", gas, closure.Gas) |
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self.Printf("(pc) %-3d -o- %-14s", pc, op.String()) |
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self.Printf(" (g) %-3v (%v)", gas, closure.Gas) |
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mem.Resize(newMemSize) |
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@ -274,98 +240,87 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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case ADD: |
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require(2) |
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x, y := stack.Popn() |
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vm.Printf(" %v + %v", y, x) |
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self.Printf(" %v + %v", y, x) |
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base.Add(y, x) |
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vm.Printf(" = %v", base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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case SUB: |
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require(2) |
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x, y := stack.Popn() |
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vm.Printf(" %v - %v", y, x) |
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self.Printf(" %v - %v", y, x) |
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base.Sub(y, x) |
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vm.Printf(" = %v", base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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case MUL: |
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require(2) |
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x, y := stack.Popn() |
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vm.Printf(" %v * %v", y, x) |
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self.Printf(" %v * %v", y, x) |
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base.Mul(y, x) |
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vm.Printf(" = %v", base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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case DIV: |
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require(2) |
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x, y := stack.Popn() |
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vm.Printf(" %v / %v", y, x) |
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self.Printf(" %v / %v", y, x) |
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if x.Cmp(ethutil.Big0) != 0 { |
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base.Div(y, x) |
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} |
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vm.Printf(" = %v", base) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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case SDIV: |
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require(2) |
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x, y := stack.Popn() |
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// n > 2**255
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if x.Cmp(Pow256) > 0 { |
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x.Sub(Pow256, x) |
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} |
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if y.Cmp(Pow256) > 0 { |
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y.Sub(Pow256, y) |
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} |
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z := new(big.Int) |
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z.Div(x, y) |
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if z.Cmp(Pow256) > 0 { |
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z.Sub(Pow256, z) |
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self.Printf(" %v / %v", y, x) |
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if x.Cmp(ethutil.Big0) != 0 { |
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base.Div(y, x) |
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} |
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// Push result on to the stack
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stack.Push(z) |
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self.Printf(" = %v", base) |
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// Pop result back on the stack
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stack.Push(base) |
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case MOD: |
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require(2) |
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x, y := stack.Popn() |
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vm.Printf(" %v %% %v", y, x) |
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self.Printf(" %v %% %v", y, x) |
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base.Mod(y, x) |
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vm.Printf(" = %v", base) |
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self.Printf(" = %v", base) |
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stack.Push(base) |
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case SMOD: |
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require(2) |
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x, y := stack.Popn() |
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// n > 2**255
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if x.Cmp(Pow256) > 0 { |
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x.Sub(Pow256, x) |
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} |
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if y.Cmp(Pow256) > 0 { |
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y.Sub(Pow256, y) |
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} |
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z := new(big.Int) |
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z.Mod(x, y) |
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if z.Cmp(Pow256) > 0 { |
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z.Sub(Pow256, z) |
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} |
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// Push result on to the stack
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stack.Push(z) |
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self.Printf(" %v %% %v", y, x) |
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base.Mod(y, x) |
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self.Printf(" = %v", base) |
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stack.Push(base) |
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case EXP: |
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require(2) |
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x, y := stack.Popn() |
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vm.Printf(" %v ** %v", y, x) |
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self.Printf(" %v ** %v", y, x) |
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base.Exp(y, x, Pow256) |
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vm.Printf(" = %v", base) |
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self.Printf(" = %v", base) |
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stack.Push(base) |
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case NEG: |
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@ -375,7 +330,7 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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case LT: |
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require(2) |
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x, y := stack.Popn() |
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vm.Printf(" %v < %v", y, x) |
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self.Printf(" %v < %v", y, x) |
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// x < y
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if y.Cmp(x) < 0 { |
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stack.Push(ethutil.BigTrue) |
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@ -385,7 +340,7 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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case GT: |
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require(2) |
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x, y := stack.Popn() |
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vm.Printf(" %v > %v", y, x) |
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self.Printf(" %v > %v", y, x) |
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|
|
|
|
// x > y
|
|
|
|
|
if y.Cmp(x) > 0 { |
|
|
|
|
@ -397,7 +352,7 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
case SLT: |
|
|
|
|
require(2) |
|
|
|
|
x, y := stack.Popn() |
|
|
|
|
vm.Printf(" %v < %v", y, x) |
|
|
|
|
self.Printf(" %v < %v", y, x) |
|
|
|
|
// x < y
|
|
|
|
|
if y.Cmp(x) < 0 { |
|
|
|
|
stack.Push(ethutil.BigTrue) |
|
|
|
|
@ -407,7 +362,7 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
case SGT: |
|
|
|
|
require(2) |
|
|
|
|
x, y := stack.Popn() |
|
|
|
|
vm.Printf(" %v > %v", y, x) |
|
|
|
|
self.Printf(" %v > %v", y, x) |
|
|
|
|
|
|
|
|
|
// x > y
|
|
|
|
|
if y.Cmp(x) > 0 { |
|
|
|
|
@ -419,7 +374,7 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
case EQ: |
|
|
|
|
require(2) |
|
|
|
|
x, y := stack.Popn() |
|
|
|
|
vm.Printf(" %v == %v", y, x) |
|
|
|
|
self.Printf(" %v == %v", y, x) |
|
|
|
|
|
|
|
|
|
// x == y
|
|
|
|
|
if x.Cmp(y) == 0 { |
|
|
|
|
@ -440,29 +395,29 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
case AND: |
|
|
|
|
require(2) |
|
|
|
|
x, y := stack.Popn() |
|
|
|
|
vm.Printf(" %v & %v", y, x) |
|
|
|
|
self.Printf(" %v & %v", y, x) |
|
|
|
|
|
|
|
|
|
stack.Push(base.And(y, x)) |
|
|
|
|
case OR: |
|
|
|
|
require(2) |
|
|
|
|
x, y := stack.Popn() |
|
|
|
|
vm.Printf(" %v | %v", y, x) |
|
|
|
|
self.Printf(" %v | %v", y, x) |
|
|
|
|
|
|
|
|
|
stack.Push(base.Or(y, x)) |
|
|
|
|
case XOR: |
|
|
|
|
require(2) |
|
|
|
|
x, y := stack.Popn() |
|
|
|
|
vm.Printf(" %v ^ %v", y, x) |
|
|
|
|
self.Printf(" %v ^ %v", y, x) |
|
|
|
|
|
|
|
|
|
stack.Push(base.Xor(y, x)) |
|
|
|
|
case BYTE: |
|
|
|
|
require(2) |
|
|
|
|
val, th := stack.Popn() |
|
|
|
|
if th.Cmp(big.NewInt(32)) < 0 && th.Cmp(big.NewInt(int64(len(val.Bytes())))) < 0 { |
|
|
|
|
byt := big.NewInt(int64(val.Bytes()[th.Int64()])) |
|
|
|
|
byt := big.NewInt(int64(ethutil.LeftPadBytes(val.Bytes(), 32)[th.Int64()])) |
|
|
|
|
stack.Push(byt) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => 0x%x", byt.Bytes()) |
|
|
|
|
self.Printf(" => 0x%x", byt.Bytes()) |
|
|
|
|
} else { |
|
|
|
|
stack.Push(ethutil.BigFalse) |
|
|
|
|
} |
|
|
|
|
@ -475,53 +430,61 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
|
|
|
|
|
stack.Push(ethutil.BigD(data)) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => %x", data) |
|
|
|
|
self.Printf(" => %x", data) |
|
|
|
|
// 0x30 range
|
|
|
|
|
case ADDRESS: |
|
|
|
|
stack.Push(ethutil.BigD(closure.Address())) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => %x", closure.Address()) |
|
|
|
|
self.Printf(" => %x", closure.Address()) |
|
|
|
|
case BALANCE: |
|
|
|
|
require(1) |
|
|
|
|
|
|
|
|
|
addr := stack.Pop().Bytes() |
|
|
|
|
balance := vm.state.GetBalance(addr) |
|
|
|
|
balance := self.env.State().GetBalance(addr) |
|
|
|
|
|
|
|
|
|
stack.Push(balance) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => %v (%x)", balance, addr) |
|
|
|
|
self.Printf(" => %v (%x)", balance, addr) |
|
|
|
|
case ORIGIN: |
|
|
|
|
stack.Push(ethutil.BigD(vm.vars.Origin)) |
|
|
|
|
origin := self.env.Origin() |
|
|
|
|
|
|
|
|
|
vm.Printf(" => %x", vm.vars.Origin) |
|
|
|
|
stack.Push(ethutil.BigD(origin)) |
|
|
|
|
|
|
|
|
|
self.Printf(" => %x", origin) |
|
|
|
|
case CALLER: |
|
|
|
|
caller := closure.caller.Address() |
|
|
|
|
stack.Push(ethutil.BigD(caller)) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => %x", caller) |
|
|
|
|
self.Printf(" => %x", caller) |
|
|
|
|
case CALLVALUE: |
|
|
|
|
stack.Push(vm.vars.Value) |
|
|
|
|
value := self.env.Value() |
|
|
|
|
|
|
|
|
|
stack.Push(value) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => %v", vm.vars.Value) |
|
|
|
|
self.Printf(" => %v", value) |
|
|
|
|
case CALLDATALOAD: |
|
|
|
|
require(1) |
|
|
|
|
offset := stack.Pop().Int64() |
|
|
|
|
var ( |
|
|
|
|
offset = stack.Pop() |
|
|
|
|
data = make([]byte, 32) |
|
|
|
|
lenData = big.NewInt(int64(len(closure.Args))) |
|
|
|
|
) |
|
|
|
|
|
|
|
|
|
data := make([]byte, 32) |
|
|
|
|
if big.NewInt(int64(len(closure.Args))).Cmp(big.NewInt(offset)) >= 0 { |
|
|
|
|
l := int64(math.Min(float64(offset+32), float64(len(closure.Args)))) |
|
|
|
|
if lenData.Cmp(offset) >= 0 { |
|
|
|
|
length := new(big.Int).Add(offset, ethutil.Big32) |
|
|
|
|
length = ethutil.BigMin(length, lenData) |
|
|
|
|
|
|
|
|
|
copy(data, closure.Args[offset:l]) |
|
|
|
|
copy(data, closure.Args[offset.Int64():length.Int64()]) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
vm.Printf(" => 0x%x", data) |
|
|
|
|
self.Printf(" => 0x%x", data) |
|
|
|
|
|
|
|
|
|
stack.Push(ethutil.BigD(data)) |
|
|
|
|
case CALLDATASIZE: |
|
|
|
|
l := int64(len(closure.Args)) |
|
|
|
|
stack.Push(big.NewInt(l)) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => %d", l) |
|
|
|
|
self.Printf(" => %d", l) |
|
|
|
|
case CALLDATACOPY: |
|
|
|
|
var ( |
|
|
|
|
size = int64(len(closure.Args)) |
|
|
|
|
@ -541,13 +504,13 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
|
|
|
|
|
mem.Set(mOff, l, code) |
|
|
|
|
case CODESIZE: |
|
|
|
|
l := big.NewInt(int64(len(closure.Script))) |
|
|
|
|
l := big.NewInt(int64(len(closure.Code))) |
|
|
|
|
stack.Push(l) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => %d", l) |
|
|
|
|
self.Printf(" => %d", l) |
|
|
|
|
case CODECOPY: |
|
|
|
|
var ( |
|
|
|
|
size = int64(len(closure.Script)) |
|
|
|
|
size = int64(len(closure.Code)) |
|
|
|
|
mOff = stack.Pop().Int64() |
|
|
|
|
cOff = stack.Pop().Int64() |
|
|
|
|
l = stack.Pop().Int64() |
|
|
|
|
@ -560,25 +523,45 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
l = 0 |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
code := closure.Script[cOff : cOff+l] |
|
|
|
|
//fmt.Println("len:", l, "code off:", cOff, "mem off:", mOff)
|
|
|
|
|
code := closure.Code[cOff : cOff+l] |
|
|
|
|
|
|
|
|
|
mem.Set(mOff, l, code) |
|
|
|
|
//fmt.Println(Code(mem.Get(mOff, l)))
|
|
|
|
|
case GASPRICE: |
|
|
|
|
stack.Push(closure.Price) |
|
|
|
|
|
|
|
|
|
self.Printf(" => %v", closure.Price) |
|
|
|
|
|
|
|
|
|
// 0x40 range
|
|
|
|
|
case PREVHASH: |
|
|
|
|
stack.Push(ethutil.BigD(vm.vars.PrevHash)) |
|
|
|
|
prevHash := self.env.PrevHash() |
|
|
|
|
|
|
|
|
|
stack.Push(ethutil.BigD(prevHash)) |
|
|
|
|
|
|
|
|
|
self.Printf(" => 0x%x", prevHash) |
|
|
|
|
case COINBASE: |
|
|
|
|
stack.Push(ethutil.BigD(vm.vars.Coinbase)) |
|
|
|
|
coinbase := self.env.Coinbase() |
|
|
|
|
|
|
|
|
|
stack.Push(ethutil.BigD(coinbase)) |
|
|
|
|
|
|
|
|
|
self.Printf(" => 0x%x", coinbase) |
|
|
|
|
case TIMESTAMP: |
|
|
|
|
stack.Push(big.NewInt(vm.vars.Time)) |
|
|
|
|
time := self.env.Time() |
|
|
|
|
|
|
|
|
|
stack.Push(big.NewInt(time)) |
|
|
|
|
|
|
|
|
|
self.Printf(" => 0x%x", time) |
|
|
|
|
case NUMBER: |
|
|
|
|
stack.Push(vm.vars.BlockNumber) |
|
|
|
|
number := self.env.BlockNumber() |
|
|
|
|
|
|
|
|
|
stack.Push(number) |
|
|
|
|
|
|
|
|
|
self.Printf(" => 0x%x", number.Bytes()) |
|
|
|
|
case DIFFICULTY: |
|
|
|
|
stack.Push(vm.vars.Diff) |
|
|
|
|
difficulty := self.env.Difficulty() |
|
|
|
|
|
|
|
|
|
stack.Push(difficulty) |
|
|
|
|
|
|
|
|
|
self.Printf(" => 0x%x", difficulty.Bytes()) |
|
|
|
|
case GASLIMIT: |
|
|
|
|
// TODO
|
|
|
|
|
stack.Push(big.NewInt(0)) |
|
|
|
|
@ -595,7 +578,7 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
|
|
|
|
|
step += int(op) - int(PUSH1) + 1 |
|
|
|
|
|
|
|
|
|
vm.Printf(" => 0x%x", data.Bytes()) |
|
|
|
|
self.Printf(" => 0x%x", data.Bytes()) |
|
|
|
|
case POP: |
|
|
|
|
require(1) |
|
|
|
|
stack.Pop() |
|
|
|
|
@ -603,7 +586,7 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
require(1) |
|
|
|
|
stack.Push(stack.Peek()) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => 0x%x", stack.Peek().Bytes()) |
|
|
|
|
self.Printf(" => 0x%x", stack.Peek().Bytes()) |
|
|
|
|
case SWAP: |
|
|
|
|
require(2) |
|
|
|
|
x, y := stack.Popn() |
|
|
|
|
@ -615,14 +598,14 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
val := ethutil.BigD(mem.Get(offset.Int64(), 32)) |
|
|
|
|
stack.Push(val) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => 0x%x", val.Bytes()) |
|
|
|
|
self.Printf(" => 0x%x", val.Bytes()) |
|
|
|
|
case MSTORE: // Store the value at stack top-1 in to memory at location stack top
|
|
|
|
|
require(2) |
|
|
|
|
// Pop value of the stack
|
|
|
|
|
val, mStart := stack.Popn() |
|
|
|
|
mem.Set(mStart.Int64(), 32, ethutil.BigToBytes(val, 256)) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => 0x%x", val) |
|
|
|
|
self.Printf(" => 0x%x", val) |
|
|
|
|
case MSTORE8: |
|
|
|
|
require(2) |
|
|
|
|
val, mStart := stack.Popn() |
|
|
|
|
@ -630,7 +613,7 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
//mem.Set(mStart.Int64(), 32, ethutil.BigToBytes(base, 256))
|
|
|
|
|
mem.store[mStart.Int64()] = byte(val.Int64() & 0xff) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => 0x%x", val) |
|
|
|
|
self.Printf(" => 0x%x", val) |
|
|
|
|
case SLOAD: |
|
|
|
|
require(1) |
|
|
|
|
loc := stack.Pop() |
|
|
|
|
@ -638,21 +621,21 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
|
|
|
|
|
stack.Push(val.BigInt()) |
|
|
|
|
|
|
|
|
|
vm.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) |
|
|
|
|
self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) |
|
|
|
|
case SSTORE: |
|
|
|
|
require(2) |
|
|
|
|
val, loc := stack.Popn() |
|
|
|
|
closure.SetStorage(loc, ethutil.NewValue(val)) |
|
|
|
|
|
|
|
|
|
// Add the change to manifest
|
|
|
|
|
vm.state.manifest.AddStorageChange(closure.Object(), loc.Bytes(), val) |
|
|
|
|
self.env.State().Manifest().AddStorageChange(closure.Object(), loc.Bytes(), val) |
|
|
|
|
|
|
|
|
|
vm.Printf(" {0x%x : 0x%x}", loc, val) |
|
|
|
|
self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) |
|
|
|
|
case JUMP: |
|
|
|
|
require(1) |
|
|
|
|
pc = stack.Pop() |
|
|
|
|
// Reduce pc by one because of the increment that's at the end of this for loop
|
|
|
|
|
vm.Printf(" ~> %v", pc).Endl() |
|
|
|
|
self.Printf(" ~> %v", pc).Endl() |
|
|
|
|
|
|
|
|
|
continue |
|
|
|
|
case JUMPI: |
|
|
|
|
@ -661,11 +644,11 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
if cond.Cmp(ethutil.BigTrue) >= 0 { |
|
|
|
|
pc = pos |
|
|
|
|
|
|
|
|
|
vm.Printf(" ~> %v (t)", pc).Endl() |
|
|
|
|
self.Printf(" ~> %v (t)", pc).Endl() |
|
|
|
|
|
|
|
|
|
continue |
|
|
|
|
} else { |
|
|
|
|
vm.Printf(" (f)") |
|
|
|
|
self.Printf(" (f)") |
|
|
|
|
} |
|
|
|
|
case PC: |
|
|
|
|
stack.Push(pc) |
|
|
|
|
@ -684,20 +667,20 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
|
|
|
|
|
// Snapshot the current stack so we are able to
|
|
|
|
|
// revert back to it later.
|
|
|
|
|
snapshot = vm.state.Copy() |
|
|
|
|
snapshot = self.env.State().Copy() |
|
|
|
|
) |
|
|
|
|
|
|
|
|
|
// Generate a new address
|
|
|
|
|
addr := ethcrypto.CreateAddress(closure.Address(), closure.N().Uint64()) |
|
|
|
|
for i := uint64(0); vm.state.GetStateObject(addr) != nil; i++ { |
|
|
|
|
ethcrypto.CreateAddress(closure.Address(), closure.N().Uint64()+i) |
|
|
|
|
addr := ethcrypto.CreateAddress(closure.Address(), closure.object.Nonce) |
|
|
|
|
for i := uint64(0); self.env.State().GetStateObject(addr) != nil; i++ { |
|
|
|
|
ethcrypto.CreateAddress(closure.Address(), closure.object.Nonce+i) |
|
|
|
|
} |
|
|
|
|
closure.object.Nonce++ |
|
|
|
|
|
|
|
|
|
vm.Printf(" (*) %x", addr).Endl() |
|
|
|
|
self.Printf(" (*) %x", addr).Endl() |
|
|
|
|
|
|
|
|
|
// Create a new contract
|
|
|
|
|
contract := vm.state.NewStateObject(addr) |
|
|
|
|
contract := self.env.State().NewStateObject(addr) |
|
|
|
|
if contract.Amount.Cmp(value) >= 0 { |
|
|
|
|
closure.object.SubAmount(value) |
|
|
|
|
contract.AddAmount(value) |
|
|
|
|
@ -711,10 +694,10 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
closure.UseGas(closure.Gas) |
|
|
|
|
|
|
|
|
|
// Create the closure
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c := NewClosure(closure, contract, initCode, vm.state, gas, closure.Price) |
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c := NewClosure(closure, contract, initCode, gas, closure.Price) |
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// Call the closure and set the return value as
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// main script.
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contract.script, err = Call(vm, c, nil) |
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contract.Code, _, err = c.Call(self, nil) |
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} else { |
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err = fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", value, closure.object.Amount) |
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} |
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@ -723,23 +706,23 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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stack.Push(ethutil.BigFalse) |
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// Revert the state as it was before.
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vm.state.Set(snapshot) |
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self.env.State().Set(snapshot) |
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vm.Printf("CREATE err %v", err) |
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self.Printf("CREATE err %v", err) |
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} else { |
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stack.Push(ethutil.BigD(addr)) |
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vm.Printf("CREATE success") |
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self.Printf("CREATE success") |
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} |
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vm.Endl() |
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self.Endl() |
|
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|
|
// Debug hook
|
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|
|
|
if vm.Dbg != nil { |
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|
vm.Dbg.SetCode(closure.Script) |
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|
if self.Dbg != nil { |
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|
self.Dbg.SetCode(closure.Code) |
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|
} |
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case CALL: |
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require(7) |
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vm.Endl() |
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|
self.Endl() |
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|
|
gas := stack.Pop() |
|
|
|
|
// Pop gas and value of the stack.
|
|
|
|
|
@ -755,27 +738,27 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
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|
|
|
if closure.object.Amount.Cmp(value) < 0 { |
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|
|
vmlogger.Debugf("Insufficient funds to transfer value. Req %v, has %v", value, closure.object.Amount) |
|
|
|
|
|
|
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|
|
closure.ReturnGas(gas, nil, nil) |
|
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|
|
closure.ReturnGas(gas, nil) |
|
|
|
|
|
|
|
|
|
stack.Push(ethutil.BigFalse) |
|
|
|
|
} else { |
|
|
|
|
snapshot := vm.state.Copy() |
|
|
|
|
snapshot := self.env.State().Copy() |
|
|
|
|
|
|
|
|
|
stateObject := vm.state.GetOrNewStateObject(addr.Bytes()) |
|
|
|
|
stateObject := self.env.State().GetOrNewStateObject(addr.Bytes()) |
|
|
|
|
|
|
|
|
|
closure.object.SubAmount(value) |
|
|
|
|
stateObject.AddAmount(value) |
|
|
|
|
|
|
|
|
|
// Create a new callable closure
|
|
|
|
|
c := NewClosure(closure, stateObject, stateObject.script, vm.state, gas, closure.Price) |
|
|
|
|
c := NewClosure(closure, stateObject, stateObject.Code, gas, closure.Price) |
|
|
|
|
// Executer the closure and get the return value (if any)
|
|
|
|
|
ret, err := Call(vm, c, args) |
|
|
|
|
ret, _, err := c.Call(self, args) |
|
|
|
|
if err != nil { |
|
|
|
|
stack.Push(ethutil.BigFalse) |
|
|
|
|
|
|
|
|
|
vmlogger.Debugf("Closure execution failed. %v\n", err) |
|
|
|
|
|
|
|
|
|
vm.state.Set(snapshot) |
|
|
|
|
self.env.State().Set(snapshot) |
|
|
|
|
} else { |
|
|
|
|
stack.Push(ethutil.BigTrue) |
|
|
|
|
|
|
|
|
|
@ -783,8 +766,8 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Debug hook
|
|
|
|
|
if vm.Dbg != nil { |
|
|
|
|
vm.Dbg.SetCode(closure.Script) |
|
|
|
|
if self.Dbg != nil { |
|
|
|
|
self.Dbg.SetCode(closure.Code) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
case RETURN: |
|
|
|
|
@ -792,13 +775,13 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
size, offset := stack.Popn() |
|
|
|
|
ret := mem.Get(offset.Int64(), size.Int64()) |
|
|
|
|
|
|
|
|
|
vm.Printf(" => (%d) 0x%x", len(ret), ret).Endl() |
|
|
|
|
self.Printf(" => (%d) 0x%x", len(ret), ret).Endl() |
|
|
|
|
|
|
|
|
|
return closure.Return(ret), nil |
|
|
|
|
case SUICIDE: |
|
|
|
|
require(1) |
|
|
|
|
|
|
|
|
|
receiver := vm.state.GetOrNewStateObject(stack.Pop().Bytes()) |
|
|
|
|
receiver := self.env.State().GetOrNewStateObject(stack.Pop().Bytes()) |
|
|
|
|
|
|
|
|
|
receiver.AddAmount(closure.object.Amount) |
|
|
|
|
|
|
|
|
|
@ -806,30 +789,29 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
|
|
|
|
|
fallthrough |
|
|
|
|
case STOP: // Stop the closure
|
|
|
|
|
vm.Endl() |
|
|
|
|
self.Endl() |
|
|
|
|
|
|
|
|
|
return closure.Return(nil), nil |
|
|
|
|
default: |
|
|
|
|
vmlogger.Debugf("(pc) %-3v Invalid opcode %x\n", pc, op) |
|
|
|
|
fmt.Println(Code(closure.Script)) |
|
|
|
|
|
|
|
|
|
return closure.Return(nil), fmt.Errorf("Invalid opcode %x", op) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
pc.Add(pc, ethutil.Big1) |
|
|
|
|
|
|
|
|
|
vm.Endl() |
|
|
|
|
self.Endl() |
|
|
|
|
|
|
|
|
|
if vm.Dbg != nil { |
|
|
|
|
for _, instrNo := range vm.Dbg.BreakPoints() { |
|
|
|
|
if self.Dbg != nil { |
|
|
|
|
for _, instrNo := range self.Dbg.BreakPoints() { |
|
|
|
|
if pc.Cmp(big.NewInt(instrNo)) == 0 { |
|
|
|
|
vm.Stepping = true |
|
|
|
|
self.Stepping = true |
|
|
|
|
|
|
|
|
|
if !vm.Dbg.BreakHook(prevStep, op, mem, stack, closure.Object()) { |
|
|
|
|
if !self.Dbg.BreakHook(prevStep, op, mem, stack, closure.Object()) { |
|
|
|
|
return nil, nil |
|
|
|
|
} |
|
|
|
|
} else if vm.Stepping { |
|
|
|
|
if !vm.Dbg.StepHook(prevStep, op, mem, stack, closure.Object()) { |
|
|
|
|
} else if self.Stepping { |
|
|
|
|
if !self.Dbg.StepHook(prevStep, op, mem, stack, closure.Object()) { |
|
|
|
|
return nil, nil |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
@ -838,3 +820,20 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
func (self *Vm) Printf(format string, v ...interface{}) *Vm { |
|
|
|
|
if self.Verbose && self.logTy == LogTyPretty { |
|
|
|
|
self.logStr += fmt.Sprintf(format, v...) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return self |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
func (self *Vm) Endl() *Vm { |
|
|
|
|
if self.Verbose && self.logTy == LogTyPretty { |
|
|
|
|
vmlogger.Debugln(self.logStr) |
|
|
|
|
self.logStr = "" |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return self |
|
|
|
|
} |
obscuren
10 years ago