Moved 0 check to state object for now

ethchain/state_object.go

@@ -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)
 }

ethchain/vm.go

@@ -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)