Added eth_logs & fixed issue with manual log filtering

* Implemented `eth_logs`
* Fixed issue with `filter.Find()` where logs were appended to an
  incorrect, non-returned slice resulting in no logs found

2 files changed, 8 insertions, 13 deletions

diff --git a/core/block_processor.go b/core/block_processor.go
index bfd9d4560..fd591a29d 100644
--- a/core/block_processor.go
+++ b/core/block_processor.go
@@ -60,12 +60,12 @@ func NewBlockProcessor(db ethutil.Database, txpool *TxPool, chainManager *ChainM
 	return sm
 }
 
-func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block *types.Block) (receipts types.Receipts, err error) {
+func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block *types.Block, transientProcess bool) (receipts types.Receipts, err error) {
 	coinbase := statedb.GetOrNewStateObject(block.Header().Coinbase)
 	coinbase.SetGasPool(CalcGasLimit(parent, block))
 
 	// Process the transactions on to parent state
-	receipts, _, _, _, err = sm.ApplyTransactions(coinbase, statedb, block, block.Transactions(), false)
+	receipts, _, _, _, err = sm.ApplyTransactions(coinbase, statedb, block, block.Transactions(), transientProcess)
 	if err != nil {
 		return nil, err
 	}
@@ -100,10 +100,9 @@ func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, stated
 	// Notify all subscribers
 	if !transientProcess {
 		go self.eventMux.Post(TxPostEvent{tx})
+		go self.eventMux.Post(statedb.Logs())
 	}
 
-	go self.eventMux.Post(statedb.Logs())
-
 	return receipt, txGas, err
 }
 
@@ -179,7 +178,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
 		return
 	}
 
-	receipts, err := sm.TransitionState(state, parent, block)
+	receipts, err := sm.TransitionState(state, parent, block, false)
 	if err != nil {
 		return
 	}
@@ -316,13 +315,10 @@ func (sm *BlockProcessor) GetLogs(block *types.Block) (logs state.Logs, err erro
 
 	var (
 		parent = sm.bc.GetBlock(block.Header().ParentHash)
-		//state  = state.New(parent.Trie().Copy())
-		state = state.New(parent.Root(), sm.db)
+		state  = state.New(parent.Root(), sm.db)
 	)
 
-	defer state.Reset()
-
-	sm.TransitionState(state, parent, block)
+	sm.TransitionState(state, parent, block, true)
 	sm.AccumulateRewards(state, block, parent)
 
 	return state.Logs(), nil
diff --git a/core/filter.go b/core/filter.go
index 88f12a67c..cdf7b282d 100644
--- a/core/filter.go
+++ b/core/filter.go
@@ -111,14 +111,14 @@ func (self *Filter) Find() state.Logs {
 		// current parameters
 		if self.bloomFilter(block) {
 			// Get the logs of the block
-			logs, err := self.eth.BlockProcessor().GetLogs(block)
+			unfiltered, err := self.eth.BlockProcessor().GetLogs(block)
 			if err != nil {
 				chainlogger.Warnln("err: filter get logs ", err)
 
 				break
 			}
 
-			logs = append(logs, self.FilterLogs(logs)...)
+			logs = append(logs, self.FilterLogs(unfiltered)...)
 		}
 
 		block = self.eth.ChainManager().GetBlock(block.ParentHash())
@@ -146,7 +146,6 @@ func (self *Filter) FilterLogs(logs state.Logs) state.Logs {
 Logs:
 	for _, log := range logs {
 		if !includes(self.address, log.Address()) {
-			//if !bytes.Equal(self.address, log.Address()) {
 			continue
 		}