fixed chain event. Closes #529

6 files changed, 46 insertions, 29 deletions

diff --git a/core/block_processor.go b/core/block_processor.go
index f67d6d006..62c9c92a6 100644
--- a/core/block_processor.go
+++ b/core/block_processor.go
@@ -7,8 +7,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/pow"
@@ -17,10 +17,6 @@ import (
 	"gopkg.in/fatih/set.v0"
 )
 
-type PendingBlockEvent struct {
-	Block *types.Block
-}
-
 var statelogger = logger.NewLogger("BLOCK")
 
 type BlockProcessor struct {
@@ -137,7 +133,7 @@ func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, state
 	block.Header().GasUsed = totalUsedGas
 
 	if transientProcess {
-		go self.eventMux.Post(PendingBlockEvent{block})
+		go self.eventMux.Post(PendingBlockEvent{block, statedb.Logs()})
 	}
 
 	return receipts, handled, unhandled, erroneous, err
@@ -146,25 +142,25 @@ func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, state
 // Process block will attempt to process the given block's transactions and applies them
 // on top of the block's parent state (given it exists) and will return wether it was
 // successful or not.
-func (sm *BlockProcessor) Process(block *types.Block) (td *big.Int, err error) {
+func (sm *BlockProcessor) Process(block *types.Block) (td *big.Int, logs state.Logs, err error) {
 	// Processing a blocks may never happen simultaneously
 	sm.mutex.Lock()
 	defer sm.mutex.Unlock()
 
 	header := block.Header()
 	if sm.bc.HasBlock(header.Hash()) {
-		return nil, &KnownBlockError{header.Number, header.Hash()}
+		return nil, nil, &KnownBlockError{header.Number, header.Hash()}
 	}
 
 	if !sm.bc.HasBlock(header.ParentHash) {
-		return nil, ParentError(header.ParentHash)
+		return nil, nil, ParentError(header.ParentHash)
 	}
 	parent := sm.bc.GetBlock(header.ParentHash)
 
 	return sm.processWithParent(block, parent)
 }
 
-func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big.Int, err error) {
+func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big.Int, logs state.Logs, err error) {
 	sm.lastAttemptedBlock = block
 
 	// Create a new state based on the parent's root (e.g., create copy)
@@ -177,7 +173,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
 
 	// There can be at most two uncles
 	if len(block.Uncles()) > 2 {
-		return nil, ValidationError("Block can only contain one uncle (contained %v)", len(block.Uncles()))
+		return nil, nil, ValidationError("Block can only contain one uncle (contained %v)", len(block.Uncles()))
 	}
 
 	receipts, err := sm.TransitionState(state, parent, block, false)
@@ -236,7 +232,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
 
 	chainlogger.Infof("processed block #%d (%x...)\n", header.Number, block.Hash()[0:4])
 
-	return td, nil
+	return td, state.Logs(), nil
 }
 
 // Validates the current block. Returns an error if the block was invalid,
diff --git a/core/chain_makers.go b/core/chain_makers.go
index 59c297dbe..d800dee34 100644
--- a/core/chain_makers.go
+++ b/core/chain_makers.go
@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"math/big"
 
-	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/pow"
 	"github.com/ethereum/go-ethereum/state"
@@ -93,7 +93,7 @@ func makeChain(bman *BlockProcessor, parent *types.Block, max int, db common.Dat
 	blocks := make(types.Blocks, max)
 	for i := 0; i < max; i++ {
 		block := makeBlock(bman, parent, i, db, seed)
-		td, err := bman.processWithParent(block, parent)
+		td, _, err := bman.processWithParent(block, parent)
 		if err != nil {
 			fmt.Println("process with parent failed", err)
 			panic(err)
diff --git a/core/chain_manager.go b/core/chain_manager.go
index ff91b0427..88518e62b 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -6,8 +6,8 @@ import (
 	"math/big"
 	"sync"
 
-	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/rlp"
@@ -411,7 +411,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
 	for i, block := range chain {
 		// Call in to the block processor and check for errors. It's likely that if one block fails
 		// all others will fail too (unless a known block is returned).
-		td, err := self.processor.Process(block)
+		td, logs, err := self.processor.Process(block)
 		if err != nil {
 			if IsKnownBlockErr(err) {
 				continue
@@ -437,7 +437,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
 				if block.Header().Number.Cmp(new(big.Int).Add(cblock.Header().Number, common.Big1)) < 0 {
 					chainlogger.Infof("Split detected. New head #%v (%x) TD=%v, was #%v (%x) TD=%v\n", block.Header().Number, block.Hash()[:4], td, cblock.Header().Number, cblock.Hash()[:4], self.td)
 
-					queue[i] = ChainSplitEvent{block}
+					queue[i] = ChainSplitEvent{block, logs}
 					queueEvent.splitCount++
 				}
 
@@ -456,10 +456,10 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
 				self.setTransState(state.New(block.Root(), self.stateDb))
 				self.setTxState(state.New(block.Root(), self.stateDb))
 
-				queue[i] = ChainEvent{block}
+				queue[i] = ChainEvent{block, logs}
 				queueEvent.canonicalCount++
 			} else {
-				queue[i] = ChainSideEvent{block}
+				queue[i] = ChainSideEvent{block, logs}
 				queueEvent.sideCount++
 			}
 		}
diff --git a/core/events.go b/core/events.go
index 23678ef60..8c5fb592a 100644
--- a/core/events.go
+++ b/core/events.go
@@ -1,6 +1,9 @@
 package core
 
-import "github.com/ethereum/go-ethereum/core/types"
+import (
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/state"
+)
 
 // TxPreEvent is posted when a transaction enters the transaction pool.
 type TxPreEvent struct{ Tx *types.Transaction }
@@ -15,11 +18,25 @@ type NewBlockEvent struct{ Block *types.Block }
 type NewMinedBlockEvent struct{ Block *types.Block }
 
 // ChainSplit is posted when a new head is detected
-type ChainSplitEvent struct{ Block *types.Block }
-
-type ChainEvent struct{ Block *types.Block }
-
-type ChainSideEvent struct{ Block *types.Block }
+type ChainSplitEvent struct {
+	Block *types.Block
+	Logs  state.Logs
+}
+
+type ChainEvent struct {
+	Block *types.Block
+	Logs  state.Logs
+}
+
+type ChainSideEvent struct {
+	Block *types.Block
+	Logs  state.Logs
+}
+
+type PendingBlockEvent struct {
+	Block *types.Block
+	Logs  state.Logs
+}
 
 type ChainHeadEvent struct{ Block *types.Block }
 
diff --git a/core/filter.go b/core/filter.go
index d58aa8d7c..487e82902 100644
--- a/core/filter.go
+++ b/core/filter.go
@@ -33,8 +33,8 @@ type Filter struct {
 	max      int
 	topics   [][][]byte
 
-	BlockCallback   func(*types.Block)
-	PendingCallback func(*types.Block)
+	BlockCallback   func(*types.Block, state.Logs)
+	PendingCallback func(*types.Block, state.Logs)
 	LogsCallback    func(state.Logs)
 }
 
diff --git a/core/types/common.go b/core/types/common.go
index 795374959..def7936a5 100644
--- a/core/types/common.go
+++ b/core/types/common.go
@@ -1,7 +1,11 @@
 package types
 
-import "math/big"
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/state"
+)
 
 type BlockProcessor interface {
-	Process(*Block) (*big.Int, error)
+	Process(*Block) (*big.Int, state.Logs, error)
 }