Merge branch 'master' into develop

ethchain/block.go

@@ -7,7 +7,7 @@ import (
 	"github.com/ethereum/eth-go/ethtrie"
 	"github.com/ethereum/eth-go/ethutil"
 	"math/big"
-	"strconv"
+	_ "strconv"
 	"time"
 )
 
@@ -252,6 +252,7 @@ func (self *Block) SetReceipts(receipts []*Receipt, txs []*Transaction) {
 func (block *Block) setTransactions(txs []*Transaction) {
 	block.transactions = txs
 
+	/*
 		trie := ethtrie.NewTrie(ethutil.Config.Db, "")
 		for i, tx := range txs {
 			trie.Update(strconv.Itoa(i), string(tx.RlpEncode()))
@@ -265,7 +266,29 @@ func (block *Block) setTransactions(txs []*Transaction) {
 		default:
 			panic(fmt.Sprintf("invalid root type %T", trie.Root))
 		}
+	*/
+}
 
+func CreateTxSha(receipts Receipts) (sha []byte) {
+	trie := ethtrie.NewTrie(ethutil.Config.Db, "")
+	for i, receipt := range receipts {
+		trie.Update(string(ethutil.NewValue(i).Encode()), string(ethutil.NewValue(receipt.RlpData()).Encode()))
+	}
+
+	switch trie.Root.(type) {
+	case string:
+		sha = []byte(trie.Root.(string))
+	case []byte:
+		sha = trie.Root.([]byte)
+	default:
+		panic(fmt.Sprintf("invalid root type %T", trie.Root))
+	}
+
+	return sha
+}
+
+func (self *Block) SetTxHash(receipts Receipts) {
+	self.TxSha = CreateTxSha(receipts)
 }
 
 func (block *Block) Value() *ethutil.Value {

ethchain/state_manager.go

@@ -201,11 +201,16 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) {
 		fmt.Printf("## %x %x ##\n", block.Hash(), block.Number)
 	}
 
-	_, err = sm.ApplyDiff(state, parent, block)
+	receipts, err := sm.ApplyDiff(state, parent, block)
 	if err != nil {
 		return err
 	}
 
+	txSha := CreateTxSha(receipts)
+	if bytes.Compare(txSha, block.TxSha) != 0 {
+		return fmt.Errorf("Error validating tx sha. Received %x, got %x", block.TxSha, txSha)
+	}
+
 	// Block validation
 	if err = sm.ValidateBlock(block); err != nil {
 		statelogger.Errorln("Error validating block:", err)
@@ -219,17 +224,7 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) {
 		return err
 	}
 
-	/*
-		if ethutil.Config.Paranoia {
-			valid, _ := ethtrie.ParanoiaCheck(state.trie)
-			if !valid {
-				err = fmt.Errorf("PARANOIA: World state trie corruption")
-			}
-		}
-	*/
-
 	if !block.State().Cmp(state) {
-
 		err = fmt.Errorf("Invalid merkle root.\nrec: %x\nis:  %x", block.State().trie.Root, state.trie.Root)
 		return
 	}

ethminer/miner.go

@@ -165,6 +165,7 @@ func (self *Miner) mineNewBlock() {
 		logger.Debugln(err)
 	}
 	self.txs = append(txs, unhandledTxs...)
+	self.block.SetTxHash(receipts)
 
 	// Set the transactions to the block so the new SHA3 can be calculated
 	self.block.SetReceipts(receipts, txs)