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Moved 0 check to state object for now

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This commit is contained in:
obscuren 2014-06-20 20:11:40 +02:00
parent 0251fae5cc
commit 7fb5e993e3
2 changed files with 21 additions and 12 deletions
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7
ethchain/state_object.go
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@ -90,6 +90,13 @@ func (c *StateObject) SetAddr(addr []byte, value interface{}) {
func (c *StateObject) SetStorage(num *big.Int, val *ethutil.Value) {
addr := ethutil.BigToBytes(num, 256)
// FIXME This should be handled in the Trie it self
if val.BigInt().Cmp(ethutil.Big0) == 0 {
c.state.trie.Delete(string(addr))
return
}
//fmt.Printf("sstore %x => %v\n", addr, val)
c.SetAddr(addr, val)
}

26
ethchain/vm.go
View File

@ -325,21 +325,21 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
stack.Push(base)
case LT:
require(2)
y, x := stack.Popn()
vm.Printf(" %v < %v", x, y)
x, y := stack.Popn()
vm.Printf(" %v < %v", y, x)
// x < y
if x.Cmp(y) < 0 {
if y.Cmp(x) < 0 {
stack.Push(ethutil.BigTrue)
} else {
stack.Push(ethutil.BigFalse)
}
case GT:
require(2)
y, x := stack.Popn()
vm.Printf(" %v > %v", x, y)
x, y := stack.Popn()
vm.Printf(" %v > %v", y, x)
// x > y
if x.Cmp(y) > 0 {
if y.Cmp(x) > 0 {
stack.Push(ethutil.BigTrue)
} else {
stack.Push(ethutil.BigFalse)
@ -520,7 +520,10 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
case MLOAD:
require(1)
offset := stack.Pop()
stack.Push(ethutil.BigD(mem.Get(offset.Int64(), 32)))
val := ethutil.BigD(mem.Get(offset.Int64(), 32))
stack.Push(val)
vm.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
@ -541,15 +544,14 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
val := closure.GetMem(loc)
stack.Push(val.BigInt())
vm.Printf(" {} 0x%x", val)
vm.Printf(" {0x%x} 0x%x", loc.Bytes(), val)
case SSTORE:
require(2)
val, loc := stack.Popn()
// FIXME This should be handled in the Trie it self
if val.Cmp(big.NewInt(0)) != 0 {
closure.SetStorage(loc, ethutil.NewValue(val))
}
//if val.Cmp(big.NewInt(0)) != 0 {
closure.SetStorage(loc, ethutil.NewValue(val))
//}
// Add the change to manifest
vm.state.manifest.AddStorageChange(closure.Object(), loc.Bytes(), val)