Implemented POST

ethstate/state_object.go

@@ -245,6 +245,7 @@ func (self *StateObject) Copy() *StateObject {
 	stateObject.InitCode = ethutil.CopyBytes(self.InitCode)
 	stateObject.storage = self.storage.Copy()
 	stateObject.gasPool.Set(self.gasPool)
+	stateObject.remove = self.remove
 
 	return stateObject
 }
@@ -271,6 +272,11 @@ func (c *StateObject) Init() Code {
 	return c.InitCode
 }
 
+// To satisfy ClosureRef
+func (self *StateObject) Object() *StateObject {
+	return self
+}
+
 // Debug stuff
 func (self *StateObject) CreateOutputForDiff() {
 	fmt.Printf("%x %x %x %x\n", self.Address(), self.State.Root(), self.Balance.Bytes(), self.Nonce)