Added message to closure && added change addresses

ethchain/filter.go

@@ -6,8 +6,13 @@ import (
 
 	"github.com/ethereum/eth-go/ethstate"
 	"github.com/ethereum/eth-go/ethutil"
+	"gopkg.in/qml.v1"
 )
 
+type data struct {
+	id, address []byte
+}
+
 // Filtering interface
 type Filter struct {
 	eth      EthManager
@@ -16,6 +21,8 @@ type Filter struct {
 	skip     int
 	from, to [][]byte
 	max      int
+
+	altered []data
 }
 
 // Create a new filter which uses a bloom filter on blocks to figure out whether a particular block
@@ -61,9 +68,19 @@ func NewFilterFromMap(object map[string]interface{}, eth EthManager) *Filter {
 		filter.SetSkip(object["skip"].(int))
 	}
 
+	if object["altered"] != nil {
+		filter.altered = makeAltered(object["altered"])
+	}
+
+	fmt.Println("ALTERED", filter.altered)
+
 	return filter
 }
 
+func (self *Filter) AddAltered(id, address []byte) {
+	self.altered = append(self.altered, data{id, address})
+}
+
 // Set the earliest and latest block for filtering.
 // -1 = latest block (i.e., the current block)
 // hash = particular hash from-to
@@ -158,9 +175,7 @@ func (self *Filter) Find() []*ethstate.Message {
 	return messages
 }
 
-func (self *Filter) FilterMessages(msgs []*ethstate.Message) []*ethstate.Message {
+func includes(addresses [][]byte, a []byte) (found bool) {
-	var messages []*ethstate.Message
-	includes := func(addresses [][]byte, a []byte) (found bool) {
 	for _, addr := range addresses {
 		if bytes.Compare(addr, a) == 0 {
 			return true
@@ -169,6 +184,10 @@ func (self *Filter) FilterMessages(msgs []*ethstate.Message) []*ethstate.Message
 
 	return
 }
+
+func (self *Filter) FilterMessages(msgs []*ethstate.Message) []*ethstate.Message {
+	var messages []*ethstate.Message
+
 	// Filter the messages for interesting stuff
 	for _, message := range msgs {
 		if len(self.to) > 0 && !includes(self.to, message.To) {
@@ -179,6 +198,28 @@ func (self *Filter) FilterMessages(msgs []*ethstate.Message) []*ethstate.Message
 			continue
 		}
 
+		var match bool
+		if len(self.altered) == 0 {
+			match = true
+		}
+
+		for _, item := range self.altered {
+			if len(item.id) > 0 && bytes.Compare(message.To, item.id) != 0 {
+				continue
+			}
+
+			if len(item.address) > 0 && !includes(message.ChangedAddresses, item.address) {
+				continue
+			}
+
+			match = true
+			break
+		}
+
+		if !match {
+			continue
+		}
+
 		messages = append(messages, message)
 	}
 
@@ -219,3 +260,47 @@ func (self *Filter) bloomFilter(block *Block) bool {
 
 	return fromIncluded && toIncluded
 }
+
+// Conversion methodn
+func mapToData(m map[string]interface{}) (d data) {
+	if str, ok := m["id"].(string); ok {
+		d.id = ethutil.Hex2Bytes(str)
+	}
+
+	if str, ok := m["at"].(string); ok {
+		d.address = ethutil.Hex2Bytes(str)
+	}
+
+	return
+}
+
+// data can come in in the following formats:
+// ["aabbccdd", {id: "ccddee", at: "11223344"}], "aabbcc", {id: "ccddee", at: "1122"}
+func makeAltered(v interface{}) (d []data) {
+	if str, ok := v.(string); ok {
+		d = append(d, data{ethutil.Hex2Bytes(str), nil})
+	} else if obj, ok := v.(map[string]interface{}); ok {
+		d = append(d, mapToData(obj))
+	} else if slice, ok := v.([]interface{}); ok {
+		for _, item := range slice {
+			d = append(d, makeAltered(item)...)
+		}
+	} else if qList, ok := v.(*qml.List); ok {
+		var s []interface{}
+		qList.Convert(&s)
+
+		fmt.Println(s)
+
+		d = makeAltered(s)
+	} else if qMap, ok := v.(*qml.Map); ok {
+		var m map[string]interface{}
+		qMap.Convert(&m)
+		fmt.Println(m)
+
+		d = makeAltered(m)
+	} else {
+		panic(fmt.Sprintf("makeAltered err (unknown conversion): %T\n", v))
+	}
+
+	return
+}

ethchain/state_manager.go

@@ -373,12 +373,18 @@ func (sm *StateManager) Stop() {
 func (sm *StateManager) createBloomFilter(state *ethstate.State) *BloomFilter {
 	bloomf := NewBloomFilter(nil)
 
+	/*
 		for addr, stateObject := range state.Manifest().ObjectChanges {
 			// Set the bloom filter's bin
 			bloomf.Set([]byte(addr))
 
 			sm.Ethereum.Reactor().Post("object:"+addr, stateObject)
 		}
+	*/
+	for _, msg := range state.Manifest().Messages {
+		bloomf.Set(msg.To)
+		bloomf.Set(msg.From)
+	}
 
 	sm.Ethereum.Reactor().Post("messages", state.Manifest().Messages)
 

ethchain/state_transition.go

@@ -225,7 +225,7 @@ func (self *StateTransition) TransitionState() (err error) {
 		// script section for the state object.
 		self.data = nil
 
-		code, err := self.Eval(receiver.Init(), receiver, "init")
+		code, err := self.Eval(msg, receiver.Init(), receiver, "init")
 		if err != nil {
 			self.state.Set(snapshot)
 
@@ -236,7 +236,7 @@ func (self *StateTransition) TransitionState() (err error) {
 		msg.Output = code
 	} else {
 		if len(receiver.Code) > 0 {
-			ret, err := self.Eval(receiver.Code, receiver, "code")
+			ret, err := self.Eval(msg, receiver.Code, receiver, "code")
 			if err != nil {
 				self.state.Set(snapshot)
 
@@ -263,12 +263,12 @@ func (self *StateTransition) transferValue(sender, receiver *ethstate.StateObjec
 	return nil
 }
 
-func (self *StateTransition) Eval(script []byte, context *ethstate.StateObject, typ string) (ret []byte, err error) {
+func (self *StateTransition) Eval(msg *ethstate.Message, script []byte, context *ethstate.StateObject, typ string) (ret []byte, err error) {
 	var (
 		transactor    = self.Sender()
 		state         = self.state
 		env           = NewEnv(state, self.tx, self.block)
-		callerClosure = ethvm.NewClosure(transactor, context, script, self.gas, self.gasPrice)
+		callerClosure = ethvm.NewClosure(msg, transactor, context, script, self.gas, self.gasPrice)
 	)
 
 	vm := ethvm.New(env)

ethpipe/pipe.go

@@ -61,7 +61,7 @@ func (self *Pipe) ExecuteObject(object *Object, data []byte, value, gas, price *
 
 	vm := ethvm.New(NewEnv(self.Vm.State, block, value.BigInt(), initiator.Address()))
 
-	closure := ethvm.NewClosure(initiator, stateObject, object.Code, gas.BigInt(), price.BigInt())
+	closure := ethvm.NewClosure(&ethstate.Message{}, initiator, stateObject, object.Code, gas.BigInt(), price.BigInt())
 	ret, _, err := closure.Call(vm, data)
 
 	return ret, err

ethstate/manifest.go

@@ -10,38 +10,18 @@ import (
 // The object manifest is used to keep changes to the state so we can keep track of the changes
 // that occurred during a state transitioning phase.
 type Manifest struct {
-	// XXX These will be handy in the future. Not important for now.
-	objectAddresses  map[string]bool
-	storageAddresses map[string]map[string]bool
-
-	ObjectChanges  map[string]*StateObject
-	StorageChanges map[string]map[string]*big.Int
-
 	Messages Messages
 }
 
 func NewManifest() *Manifest {
-	m := &Manifest{objectAddresses: make(map[string]bool), storageAddresses: make(map[string]map[string]bool)}
+	m := &Manifest{}
 	m.Reset()
 
 	return m
 }
 
 func (m *Manifest) Reset() {
-	m.ObjectChanges = make(map[string]*StateObject)
+	m.Messages = nil
-	m.StorageChanges = make(map[string]map[string]*big.Int)
-}
-
-func (m *Manifest) AddObjectChange(stateObject *StateObject) {
-	m.ObjectChanges[string(stateObject.Address())] = stateObject
-}
-
-func (m *Manifest) AddStorageChange(stateObject *StateObject, storageAddr []byte, storage *big.Int) {
-	if m.StorageChanges[string(stateObject.Address())] == nil {
-		m.StorageChanges[string(stateObject.Address())] = make(map[string]*big.Int)
-	}
-
-	m.StorageChanges[string(stateObject.Address())][string(storageAddr)] = storage
 }
 
 func (self *Manifest) AddMessage(msg *Message) *Message {
@@ -61,6 +41,12 @@ type Message struct {
 	Coinbase  []byte
 	Block     []byte
 	Number    *big.Int
+
+	ChangedAddresses [][]byte
+}
+
+func (self *Message) AddStorageChange(addr []byte) {
+	self.ChangedAddresses = append(self.ChangedAddresses, addr)
 }
 
 func (self *Message) String() string {

ethstate/state.go

@@ -60,8 +60,6 @@ func (self *State) UpdateStateObject(stateObject *StateObject) {
 	ethutil.Config.Db.Put(ethcrypto.Sha3Bin(stateObject.Code), stateObject.Code)
 
 	self.Trie.Update(string(addr), string(stateObject.RlpEncode()))
-
-	self.manifest.AddObjectChange(stateObject)
 }
 
 // Delete the given state object and delete it from the state trie

ethvm/closure.go

@@ -21,6 +21,7 @@ type Closure struct {
 	caller  ClosureRef
 	object  *ethstate.StateObject
 	Code    []byte
+	message *ethstate.Message
 
 	Gas, UsedGas, Price *big.Int
 
@@ -28,8 +29,8 @@ type Closure struct {
 }
 
 // Create a new closure for the given data items
-func NewClosure(caller ClosureRef, object *ethstate.StateObject, code []byte, gas, price *big.Int) *Closure {
+func NewClosure(msg *ethstate.Message, caller ClosureRef, object *ethstate.StateObject, code []byte, gas, price *big.Int) *Closure {
-	c := &Closure{caller: caller, object: object, Code: code, Args: nil}
+	c := &Closure{message: msg, caller: caller, object: object, Code: code, Args: nil}
 
 	// Gas should be a pointer so it can safely be reduced through the run
 	// This pointer will be off the state transition

ethvm/vm.go

@@ -645,8 +645,7 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
 			val, loc := stack.Popn()
 			closure.SetStorage(loc, ethutil.NewValue(val))
 
-			// Add the change to manifest
+			closure.message.AddStorageChange(loc.Bytes())
-			self.env.State().Manifest().AddStorageChange(closure.Object(), loc.Bytes(), val)
 
 			self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes())
 		case JUMP:
@@ -719,7 +718,7 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
 				closure.UseGas(closure.Gas)
 
 				// Create the closure
-				c := NewClosure(closure, contract, initCode, gas, closure.Price)
+				c := NewClosure(msg, closure, contract, initCode, gas, closure.Price)
 				// Call the closure and set the return value as
 				// main script.
 				contract.Code, _, err = c.Call(self, nil)
@@ -783,7 +782,7 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
 				stateObject.AddAmount(value)
 
 				// Create a new callable closure
-				c := NewClosure(closure, stateObject, stateObject.Code, gas, closure.Price)
+				c := NewClosure(msg, closure, stateObject, stateObject.Code, gas, closure.Price)
 				// Executer the closure and get the return value (if any)
 				ret, _, err := c.Call(self, args)
 				if err != nil {