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Fixed remote Arithmetic tests

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This commit is contained in:
obscuren
2014-10-15 17:12:26 +02:00
parent 266d212094
commit 311c6f8a3f
11 changed files with 187 additions and 100 deletions
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117
ethvm/vm_debug.go
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@@ -40,10 +40,27 @@ func NewDebugVm(env Environment) *DebugVm {
func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
self.depth++
var (
op OpCode
mem = &Memory{}
stack = NewStack()
pc = big.NewInt(0)
step = 0
prevStep = 0
require = func(m int) {
if stack.Len() < m {
panic(fmt.Sprintf("%04v (%v) stack err size = %d, required = %d", pc, op, stack.Len(), m))
}
}
)
if self.Recoverable {
// Recover from any require exception
defer func() {
if r := recover(); r != nil {
self.Endl()
ret = closure.Return(nil)
err = fmt.Errorf("%v", r)
}
@@ -62,21 +79,6 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
vmlogger.Debugf("(%s) %x gas: %v (d) %x\n", self.Fn, closure.Address(), closure.Gas, closure.Args)
var (
op OpCode
mem = &Memory{}
stack = NewStack()
pc = big.NewInt(0)
step = 0
prevStep = 0
require = func(m int) {
if stack.Len() < m {
panic(fmt.Sprintf("%04v (%v) stack err size = %d, required = %d", pc, op, stack.Len(), m))
}
}
)
for {
prevStep = step
// The base for all big integer arithmetic
@@ -223,7 +225,7 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
base.Add(y, x)
To256(base)
U256(base)
self.Printf(" = %v", base)
// Pop result back on the stack
@@ -235,7 +237,7 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
base.Sub(y, x)
To256(base)
U256(base)
self.Printf(" = %v", base)
// Pop result back on the stack
@@ -247,60 +249,84 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
base.Mul(y, x)
To256(base)
U256(base)
self.Printf(" = %v", base)
// Pop result back on the stack
stack.Push(base)
case DIV:
require(2)
x, y := stack.Popn()
self.Printf(" %v / %v", y, x)
x, y := stack.Pop(), stack.Pop()
self.Printf(" %v / %v", x, y)
if x.Cmp(ethutil.Big0) != 0 {
base.Div(y, x)
if y.Cmp(ethutil.Big0) != 0 {
base.Div(x, y)
}
To256(base)
U256(base)
self.Printf(" = %v", base)
// Pop result back on the stack
stack.Push(base)
case SDIV:
require(2)
x, y := stack.Popn()
self.Printf(" %v / %v", y, x)
x, y := S256(stack.Pop()), S256(stack.Pop())
if x.Cmp(ethutil.Big0) != 0 {
base.Div(y, x)
self.Printf(" %v / %v", x, y)
if y.Cmp(ethutil.Big0) == 0 {
base.Set(ethutil.Big0)
} else {
n := new(big.Int)
if new(big.Int).Mul(x, y).Cmp(ethutil.Big0) < 0 {
n.SetInt64(-1)
} else {
n.SetInt64(1)
}
base.Div(x.Abs(x), y.Abs(y)).Mul(base, n)
U256(base)
}
To256(base)
self.Printf(" = %v", base)
// Pop result back on the stack
stack.Push(base)
case MOD:
require(2)
x, y := stack.Popn()
x, y := stack.Pop(), stack.Pop()
self.Printf(" %v %% %v", y, x)
self.Printf(" %v %% %v", x, y)
base.Mod(y, x)
if y.Cmp(ethutil.Big0) == 0 {
base.Set(ethutil.Big0)
} else {
base.Mod(x, y)
}
To256(base)
U256(base)
self.Printf(" = %v", base)
stack.Push(base)
case SMOD:
require(2)
x, y := stack.Popn()
x, y := S256(stack.Pop()), S256(stack.Pop())
self.Printf(" %v %% %v", y, x)
self.Printf(" %v %% %v", x, y)
base.Mod(y, x)
if y.Cmp(ethutil.Big0) == 0 {
base.Set(ethutil.Big0)
} else {
n := new(big.Int)
if x.Cmp(ethutil.Big0) < 0 {
n.SetInt64(-1)
} else {
n.SetInt64(1)
}
To256(base)
base.Mod(x.Abs(x), y.Abs(y)).Mul(base, n)
U256(base)
}
self.Printf(" = %v", base)
stack.Push(base)
@@ -313,7 +339,7 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
base.Exp(y, x, Pow256)
To256(base)
U256(base)
self.Printf(" = %v", base)
@@ -321,6 +347,9 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
case NEG:
require(1)
base.Sub(Pow256, stack.Pop())
base = U256(base)
stack.Push(base)
case LT:
require(2)
@@ -346,17 +375,17 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
case SLT:
require(2)
x, y := stack.Popn()
y, x := S256(stack.Pop()), S256(stack.Pop())
self.Printf(" %v < %v", y, x)
// x < y
if y.Cmp(x) < 0 {
if y.Cmp(S256(x)) < 0 {
stack.Push(ethutil.BigTrue)
} else {
stack.Push(ethutil.BigFalse)
}
case SGT:
require(2)
x, y := stack.Popn()
y, x := S256(stack.Pop()), S256(stack.Pop())
self.Printf(" %v > %v", y, x)
// x > y
@@ -426,7 +455,7 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
base.Add(x, y)
base.Mod(base, z)
To256(base)
U256(base)
self.Printf(" = %v", base)
@@ -441,7 +470,7 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
base.Mul(x, y)
base.Mod(base, z)
To256(base)
U256(base)
self.Printf(" = %v", base)