From 567428fb3489d639cd7fdcd50e4362be52745ec4 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Tue, 17 Feb 2015 16:12:55 +0100
Subject: Filter and mutex locks added

---
 core/chain_manager.go | 13 ++++++++++++-
 core/filter.go        | 23 +++++++++++++++++------
 2 files changed, 29 insertions(+), 7 deletions(-)

(limited to 'core')

diff --git a/core/chain_manager.go b/core/chain_manager.go
index c28e901c6..025615676 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -79,6 +79,7 @@ type ChainManager struct {
 	genesisBlock *types.Block
 	// Last known total difficulty
 	mu            sync.RWMutex
+	tsmu          sync.RWMutex
 	td            *big.Int
 	currentBlock  *types.Block
 	lastBlockHash []byte
@@ -131,9 +132,19 @@ func (self *ChainManager) State() *state.StateDB {
 }
 
 func (self *ChainManager) TransState() *state.StateDB {
+	self.tsmu.RLock()
+	defer self.tsmu.RUnlock()
+	//tmp := self.transState
+
 	return self.transState
 }
 
+func (self *ChainManager) setTransState(statedb *state.StateDB) {
+	self.tsmu.Lock()
+	defer self.tsmu.Unlock()
+	self.transState = statedb
+}
+
 func (bc *ChainManager) setLastBlock() {
 	data, _ := bc.db.Get([]byte("LastBlock"))
 	if len(data) != 0 {
@@ -376,7 +387,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
 
 				self.setTotalDifficulty(td)
 				self.insert(block)
-				self.transState = state.New(cblock.Root(), self.db)
+				self.setTransState(state.New(cblock.Root(), self.db))
 
 				self.eventMux.Post(ChainEvent{block, td})
 			}
diff --git a/core/filter.go b/core/filter.go
index 234fa3316..88f12a67c 100644
--- a/core/filter.go
+++ b/core/filter.go
@@ -16,7 +16,7 @@ type FilterOptions struct {
 	Earliest int64
 	Latest   int64
 
-	Address []byte
+	Address [][]byte
 	Topics  [][]byte
 
 	Skip int
@@ -29,7 +29,7 @@ type Filter struct {
 	earliest int64
 	latest   int64
 	skip     int
-	address  []byte
+	address  [][]byte
 	max      int
 	topics   [][]byte
 
@@ -65,7 +65,7 @@ func (self *Filter) SetLatestBlock(latest int64) {
 	self.latest = latest
 }
 
-func (self *Filter) SetAddress(addr []byte) {
+func (self *Filter) SetAddress(addr [][]byte) {
 	self.address = addr
 }
 
@@ -145,7 +145,8 @@ func (self *Filter) FilterLogs(logs state.Logs) state.Logs {
 	// Filter the logs for interesting stuff
 Logs:
 	for _, log := range logs {
-		if !bytes.Equal(self.address, log.Address()) {
+		if !includes(self.address, log.Address()) {
+			//if !bytes.Equal(self.address, log.Address()) {
 			continue
 		}
 
@@ -163,8 +164,18 @@ Logs:
 }
 
 func (self *Filter) bloomFilter(block *types.Block) bool {
-	if len(self.address) > 0 && !types.BloomLookup(block.Bloom(), self.address) {
-		return false
+	if len(self.address) > 0 {
+		var included bool
+		for _, addr := range self.address {
+			if types.BloomLookup(block.Bloom(), addr) {
+				included = true
+				break
+			}
+		}
+
+		if !included {
+			return false
+		}
 	}
 
 	for _, topic := range self.topics {
-- 
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