diff options
Diffstat (limited to 'ethchain')
| -rw-r--r-- | ethchain/vm.go | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/ethchain/vm.go b/ethchain/vm.go index b8ba72c7e..5a15ba81b 100644 --- a/ethchain/vm.go +++ b/ethchain/vm.go @@ -225,29 +225,41 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro case ADD: require(2) x, y := stack.Popn() - // (x + y) % 2 ** 256 + vm.Printf(" %v + %v", y, x) + base.Add(y, x) + + vm.Printf(" = %v", base) // Pop result back on the stack stack.Push(base) case SUB: require(2) x, y := stack.Popn() - // (x - y) % 2 ** 256 + vm.Printf(" %v - %v", y, x) + base.Sub(y, x) + + vm.Printf(" = %v", base) // Pop result back on the stack stack.Push(base) case MUL: require(2) x, y := stack.Popn() - // (x * y) % 2 ** 256 + vm.Printf(" %v * %v", y, x) + base.Mul(y, x) + + vm.Printf(" = %v", base) // Pop result back on the stack stack.Push(base) case DIV: require(2) x, y := stack.Popn() - // floor(x / y) + vm.Printf(" %v / %v", y, x) + base.Div(y, x) + + vm.Printf(" = %v", base) // Pop result back on the stack stack.Push(base) case SDIV: @@ -270,7 +282,12 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro case MOD: require(2) x, y := stack.Popn() + + vm.Printf(" %v %% %v", y, x) + base.Mod(y, x) + + vm.Printf(" = %v", base) stack.Push(base) case SMOD: require(2) @@ -292,8 +309,13 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro case EXP: require(2) x, y := stack.Popn() + + vm.Printf(" %v ** %v", y, x) + base.Exp(y, x, Pow256) + vm.Printf(" = %v", base) + stack.Push(base) case NEG: require(1) @@ -393,12 +415,11 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro require(1) offset := stack.Pop().Int64() - var data []byte + data := make([]byte, 32) if len(closure.Args) >= int(offset) { l := int64(math.Min(float64(offset+32), float64(len(closure.Args)))) - data = closure.Args[offset : offset+l] - } else { - data = []byte{0} + + copy(data, closure.Args[offset:l]) } vm.Printf(" => 0x%x", data) @@ -499,13 +520,12 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro case SSTORE: require(2) val, loc := stack.Popn() - fmt.Println("storing", string(val.Bytes()), "@", string(loc.Bytes())) closure.SetStorage(loc, ethutil.NewValue(val)) // Add the change to manifest vm.state.manifest.AddStorageChange(closure.Object(), loc.Bytes(), val) - vm.Printf(" => 0x%x", val) + vm.Printf(" {0x%x} 0x%x", loc, val) case JUMP: require(1) pc = stack.Pop() @@ -519,7 +539,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro if cond.Cmp(ethutil.BigTrue) >= 0 { pc = pos - vm.Printf(" (t) ~> %v", pc).Endl() + vm.Printf(" ~> %v (t)", pc).Endl() continue } else { |