merge

20 files changed, 124 insertions, 82 deletions

diff --git a/chain/block_manager.go b/chain/block_manager.go
index e40ff7955..56511113d 100644
--- a/chain/block_manager.go
+++ b/chain/block_manager.go
@@ -118,6 +118,19 @@ func (sm *BlockManager) ChainManager() *ChainManager {
 	return sm.bc
 }
 
+func (sm *BlockManager) TransitionState(statedb *state.State, parent, block *types.Block) (receipts types.Receipts, err error) {
+	coinbase := statedb.GetOrNewStateObject(block.Coinbase)
+	coinbase.SetGasPool(block.CalcGasLimit(parent))
+
+	// Process the transactions on to current block
+	receipts, _, _, _, err = sm.ProcessTransactions(coinbase, statedb, block, parent, block.Transactions())
+	if err != nil {
+		return nil, err
+	}
+
+	return receipts, nil
+}
+
 func (self *BlockManager) ProcessTransactions(coinbase *state.StateObject, state *state.State, block, parent *types.Block, txs types.Transactions) (types.Receipts, types.Transactions, types.Transactions, types.Transactions, error) {
 	var (
 		receipts           types.Receipts
@@ -125,6 +138,7 @@ func (self *BlockManager) ProcessTransactions(coinbase *state.StateObject, state
 		erroneous          types.Transactions
 		totalUsedGas       = big.NewInt(0)
 		err                error
+		cumulativeSum      = new(big.Int)
 	)
 
 done:
@@ -156,6 +170,7 @@ done:
 		}
 
 		txGas.Sub(txGas, st.gas)
+		cumulativeSum.Add(cumulativeSum, new(big.Int).Mul(txGas, tx.GasPrice))
 
 		// Update the state with pending changes
 		state.Update(txGas)
@@ -176,6 +191,7 @@ done:
 		}
 	}
 
+	block.Reward = cumulativeSum
 	block.GasUsed = totalUsedGas
 
 	return receipts, handled, unhandled, erroneous, err
@@ -187,8 +203,7 @@ func (sm *BlockManager) Process(block *types.Block) (td *big.Int, msgs state.Mes
 	defer sm.mutex.Unlock()
 
 	if sm.bc.HasBlock(block.Hash()) {
-		fmt.Println("already having this block")
-		return nil, nil, nil
+		return nil, nil, &KnownBlockError{block.Number, block.Hash()}
 	}
 
 	if !sm.bc.HasBlock(block.PrevHash) {
@@ -214,7 +229,7 @@ func (sm *BlockManager) ProcessWithParent(block, parent *types.Block) (td *big.I
 		fmt.Printf("## %x %x ##\n", block.Hash(), block.Number)
 	}
 
-	_, err = sm.ApplyDiff(state, parent, block)
+	_, err = sm.TransitionState(state, parent, block)
 	if err != nil {
 		return
 	}
@@ -235,12 +250,10 @@ func (sm *BlockManager) ProcessWithParent(block, parent *types.Block) (td *big.I
 
 	// Block validation
 	if err = sm.ValidateBlock(block, parent); err != nil {
-		statelogger.Errorln("validating block:", err)
 		return
 	}
 
 	if err = sm.AccumelateRewards(state, block, parent); err != nil {
-		statelogger.Errorln("accumulating reward", err)
 		return
 	}
 
@@ -273,7 +286,6 @@ func (sm *BlockManager) ProcessWithParent(block, parent *types.Block) (td *big.I
 		sm.transState = state.Copy()
 
 		sm.eth.TxPool().RemoveSet(block.Transactions())
-		fmt.Println("TD", td)
 
 		return td, messages, nil
 	} else {
@@ -281,19 +293,6 @@ func (sm *BlockManager) ProcessWithParent(block, parent *types.Block) (td *big.I
 	}
 }
 
-func (sm *BlockManager) ApplyDiff(state *state.State, parent, block *types.Block) (receipts types.Receipts, err error) {
-	coinbase := state.GetOrNewStateObject(block.Coinbase)
-	coinbase.SetGasPool(block.CalcGasLimit(parent))
-
-	// Process the transactions on to current block
-	receipts, _, _, _, err = sm.ProcessTransactions(coinbase, state, block, parent, block.Transactions())
-	if err != nil {
-		return nil, err
-	}
-
-	return receipts, nil
-}
-
 func (sm *BlockManager) CalculateTD(block *types.Block) (*big.Int, bool) {
 	uncleDiff := new(big.Int)
 	for _, uncle := range block.Uncles {
@@ -309,9 +308,6 @@ func (sm *BlockManager) CalculateTD(block *types.Block) (*big.Int, bool) {
 	// is greater than the previous.
 	if td.Cmp(sm.bc.TD) > 0 {
 		return td, true
-
-		// Set the new total difficulty back to the block chain
-		//sm.bc.SetTotalDifficulty(td)
 	}
 
 	return nil, false
@@ -375,17 +371,25 @@ func (sm *BlockManager) AccumelateRewards(state *state.State, block, parent *typ
 		r := new(big.Int)
 		r.Mul(BlockReward, big.NewInt(15)).Div(r, big.NewInt(16))
 
-		uncleAccount := state.GetAccount(uncle.Coinbase)
+		uncleAccount := statedb.GetAccount(uncle.Coinbase)
 		uncleAccount.AddAmount(r)
 
 		reward.Add(reward, new(big.Int).Div(BlockReward, big.NewInt(32)))
 	}
 
 	// Get the account associated with the coinbase
-	account := state.GetAccount(block.Coinbase)
+	account := statedb.GetAccount(block.Coinbase)
 	// Reward amount of ether to the coinbase address
 	account.AddAmount(reward)
 
+	statedb.Manifest().AddMessage(&state.Message{
+		To: block.Coinbase, From: block.Coinbase,
+		Input:  nil,
+		Origin: nil,
+		Block:  block.Hash(), Timestamp: block.Time, Coinbase: block.Coinbase, Number: block.Number,
+		Value: new(big.Int).Add(reward, block.Reward),
+	})
+
 	return nil
 }
 
@@ -403,8 +407,7 @@ func (sm *BlockManager) GetMessages(block *types.Block) (messages []*state.Messa
 
 	defer state.Reset()
 
-	sm.ApplyDiff(state, parent, block)
-
+	sm.TransitionState(state, parent, block)
 	sm.AccumelateRewards(state, block, parent)
 
 	return state.Manifest().Messages, nil
diff --git a/chain/chain_manager.go b/chain/chain_manager.go
index 8e0529533..8525ffdfd 100644
--- a/chain/chain_manager.go
+++ b/chain/chain_manager.go
@@ -258,6 +258,9 @@ func (self *ChainManager) InsertChain(chain Blocks) error {
 				continue
 			}
 
+			chainlogger.Infof("block #%v process failed (%x)\n", block.Number, block.Hash()[:4])
+			chainlogger.Infoln(block)
+			chainlogger.Infoln(err)
 			return err
 		}
 
diff --git a/chain/dagger.go b/chain/dagger.go
index f7e2229e9..507850389 100644
--- a/chain/dagger.go
+++ b/chain/dagger.go
@@ -82,13 +82,17 @@ func (pow *EasyPow) Verify(hash []byte, diff *big.Int, nonce []byte) bool {
 	d := append(hash, nonce...)
 	sha.Write(d)
 
-	v := ethutil.BigPow(2, 256)
-	ret := new(big.Int).Div(v, diff)
+	verification := new(big.Int).Div(ethutil.BigPow(2, 256), diff)
+	res := ethutil.U256(ethutil.BigD(sha.Sum(nil)))
 
-	res := new(big.Int)
-	res.SetBytes(sha.Sum(nil))
+	/*
+		fmt.Printf("hash w/o nonce %x\n", hash)
+		fmt.Printf("2**256 / %v = %v\n", diff, verification)
+		fmt.Printf("%v <= %v\n", res, verification)
+		fmt.Printf("vlen: %d rlen: %d\n", len(verification.Bytes()), len(res.Bytes()))
+	*/
 
-	return res.Cmp(ret) == -1
+	return res.Cmp(verification) <= 0
 }
 
 func (pow *EasyPow) SetHash(hash *big.Int) {
diff --git a/chain/error.go b/chain/error.go
index 7dce2b608..0c4d6e59e 100644
--- a/chain/error.go
+++ b/chain/error.go
@@ -128,12 +128,12 @@ func IsTDError(e error) bool {
 }
 
 type KnownBlockError struct {
-	number uint64
+	number *big.Int
 	hash   []byte
 }
 
 func (self *KnownBlockError) Error() string {
-	return fmt.Sprintf("block %d already known (%x)", self.number, self.hash[0:4])
+	return fmt.Sprintf("block %v already known (%x)", self.number, self.hash[0:4])
 }
 func IsKnownBlockErr(e error) bool {
 	_, ok := e.(*KnownBlockError)
diff --git a/chain/filter.go b/chain/filter.go
index fd8adaa8f..bb8db38a5 100644
--- a/chain/filter.go
+++ b/chain/filter.go
@@ -176,7 +176,7 @@ func (self *Filter) bloomFilter(block *types.Block) bool {
 	var fromIncluded, toIncluded bool
 	if len(self.from) > 0 {
 		for _, from := range self.from {
-			if types.BloomLookup(block.LogsBloom, from) {
+			if types.BloomLookup(block.LogsBloom, from) || bytes.Equal(block.Coinbase, from) {
 				fromIncluded = true
 				break
 			}
@@ -187,7 +187,7 @@ func (self *Filter) bloomFilter(block *types.Block) bool {
 
 	if len(self.to) > 0 {
 		for _, to := range self.to {
-			if types.BloomLookup(block.LogsBloom, ethutil.U256(new(big.Int).Add(ethutil.Big1, ethutil.BigD(to))).Bytes()) {
+			if types.BloomLookup(block.LogsBloom, ethutil.U256(new(big.Int).Add(ethutil.Big1, ethutil.BigD(to))).Bytes()) || bytes.Equal(block.Coinbase, to) {
 				toIncluded = true
 				break
 			}
diff --git a/chain/state_transition.go b/chain/state_transition.go
index 53b1f6e2d..8f7b55cd4 100644
--- a/chain/state_transition.go
+++ b/chain/state_transition.go
@@ -169,12 +169,6 @@ func (self *StateTransition) TransitionState() (err error) {
 		return
 	}
 
-	//dataPrice := big.NewInt(int64(len(self.data)))
-	//dataPrice.Mul(dataPrice, vm.GasData)
-	//if err = self.UseGas(dataPrice); err != nil {
-	//	return
-	//}
-
 	if sender.Balance().Cmp(self.value) < 0 {
 		return fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", self.value, sender.Balance)
 	}
diff --git a/chain/types/block.go b/chain/types/block.go
index 5c8bb5f6c..feab7072f 100644
--- a/chain/types/block.go
+++ b/chain/types/block.go
@@ -97,6 +97,8 @@ type Block struct {
 	receipts          Receipts
 	TxSha, ReceiptSha []byte
 	LogsBloom         []byte
+
+	Reward *big.Int
 }
 
 func NewBlockFromBytes(raw []byte) *Block {
diff --git a/chain/types/bloom9.go b/chain/types/bloom9.go
index 626711cca..77aa6eef5 100644
--- a/chain/types/bloom9.go
+++ b/chain/types/bloom9.go
@@ -11,13 +11,13 @@ import (
 func CreateBloom(receipts Receipts) []byte {
 	bin := new(big.Int)
 	for _, receipt := range receipts {
-		bin.Or(bin, logsBloom(receipt.logs))
+		bin.Or(bin, LogsBloom(receipt.logs))
 	}
 
 	return ethutil.LeftPadBytes(bin.Bytes(), 64)
 }
 
-func logsBloom(logs state.Logs) *big.Int {
+func LogsBloom(logs state.Logs) *big.Int {
 	bin := new(big.Int)
 	for _, log := range logs {
 		data := [][]byte{log.Address}
diff --git a/cmd/ethereum/main.go b/cmd/ethereum/main.go
index c351167f2..7e67a6dcc 100644
--- a/cmd/ethereum/main.go
+++ b/cmd/ethereum/main.go
@@ -30,7 +30,7 @@ import (
 
 const (
 	ClientIdentifier = "Ethereum(G)"
-	Version          = "0.7.6"
+	Version          = "0.7.7"
 )
 
 var clilogger = logger.NewLogger("CLI")
diff --git a/cmd/mist/assets/qml/views/miner.qml b/cmd/mist/assets/qml/views/miner.qml
index 2d59bb3a4..e0182649f 100644
--- a/cmd/mist/assets/qml/views/miner.qml
+++ b/cmd/mist/assets/qml/views/miner.qml
@@ -119,12 +119,14 @@ Rectangle {
 						}
 					}
 					Component.onCompleted: {
+						/*
 						// XXX Temp. replace with above eventually
 						var tmpItems = ["JEVCoin", "Some coin", "Other coin", "Etc coin"];
 						var address = "e6716f9544a56c530d868e4bfbacb172315bdead";
 						for (var i = 0; i < tmpItems.length; i++) {
 							mergedMiningModel.append({checked: false, name: tmpItems[i], address: address, id: 0, itemId: i});
 						}
+						*/
 					}
 				}
 			}
diff --git a/cmd/mist/assets/qml/views/wallet.qml b/cmd/mist/assets/qml/views/wallet.qml
index a57e7869a..9ffb1024d 100644
--- a/cmd/mist/assets/qml/views/wallet.qml
+++ b/cmd/mist/assets/qml/views/wallet.qml
@@ -16,7 +16,13 @@ Rectangle {
 	anchors.fill: parent
 
 	function onReady() {
-		menuItem.secondaryTitle = eth.numberToHuman(eth.balanceAt(eth.key().address))
+		setBalance()
+	}
+
+	function setBalance() {
+		balance.text = "<b>Balance</b>: " + eth.numberToHuman(eth.balanceAt(eth.key().address))
+		if(menuItem)
+			menuItem.secondaryTitle = eth.numberToHuman(eth.balanceAt(eth.key().address))
 	}
 
 	ListModel {
@@ -39,7 +45,6 @@ Rectangle {
 
 		Text {
 			id: balance
-			text: "<b>Balance</b>: " + eth.numberToHuman(eth.balanceAt(eth.key().address))
 			font.pixelSize: 24
 			anchors {
 				horizontalCenter: parent.horizontalCenter
@@ -126,7 +131,6 @@ Rectangle {
 						var value = txValue.text + denomModel.get(valueDenom.currentIndex).zeros;
 						var gasPrice = "10000000000000"
 						var res = eth.transact({from: eth.key().privateKey, to: txTo.text, value: value, gas: "500", gasPrice: gasPrice})
-						console.log(res)
 					}
 				}
 			}
@@ -158,6 +162,8 @@ Rectangle {
 					}
 
 					function addTxs(messages) {
+						setBalance()
+
 						for(var i = 0; i < messages.length; i++) {
 							var message = messages.get(i);
 							var to = eth.lookupName(message.to);
diff --git a/cmd/mist/main.go b/cmd/mist/main.go
index 39beeafdb..8c46de6d9 100644
--- a/cmd/mist/main.go
+++ b/cmd/mist/main.go
@@ -31,7 +31,7 @@ import (
 
 const (
 	ClientIdentifier = "Mist"
-	Version          = "0.7.6"
+	Version          = "0.7.7"
 )
 
 var ethereum *eth.Ethereum
diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go
index 96590b20f..d9b26c701 100644
--- a/cmd/utils/cmd.go
+++ b/cmd/utils/cmd.go
@@ -317,7 +317,7 @@ func BlockDo(ethereum *eth.Ethereum, hash []byte) error {
 
 	parent := ethereum.ChainManager().GetBlock(block.PrevHash)
 
-	_, err := ethereum.BlockManager().ApplyDiff(parent.State(), parent, block)
+	_, err := ethereum.BlockManager().TransitionState(parent.State(), parent, block)
 	if err != nil {
 		return err
 	}
diff --git a/peer.go b/peer.go
index a0ee9dcc4..ed908265a 100644
--- a/peer.go
+++ b/peer.go
@@ -24,7 +24,7 @@ const (
 	// The size of the output buffer for writing messages
 	outputBufferSize = 50
 	// Current protocol version
-	ProtocolVersion = 45
+	ProtocolVersion = 46
 	// Current P2P version
 	P2PVersion = 2
 	// Ethereum network version
diff --git a/tests/helper/vm.go b/tests/helper/vm.go
index b4ad93193..8e6645fc3 100644
--- a/tests/helper/vm.go
+++ b/tests/helper/vm.go
@@ -20,6 +20,8 @@ type Env struct {
 	time       int64
 	difficulty *big.Int
 	gasLimit   *big.Int
+
+	logs state.Logs
 }
 
 func NewEnv(state *state.State) *Env {
@@ -51,24 +53,27 @@ func (self *Env) Difficulty() *big.Int  { return self.difficulty }
 func (self *Env) BlockHash() []byte     { return nil }
 func (self *Env) State() *state.State   { return self.state }
 func (self *Env) GasLimit() *big.Int    { return self.gasLimit }
-func (self *Env) AddLog(*state.Log)     {}
+func (self *Env) AddLog(log *state.Log) {
+	self.logs = append(self.logs, log)
+}
 func (self *Env) Transfer(from, to vm.Account, amount *big.Int) error {
 	return vm.Transfer(from, to, amount)
 }
 
-func RunVm(state *state.State, env, exec map[string]string) ([]byte, *big.Int, error) {
+func RunVm(state *state.State, env, exec map[string]string) ([]byte, state.Logs, *big.Int, error) {
 	address := FromHex(exec["address"])
 	caller := state.GetOrNewStateObject(FromHex(exec["caller"]))
 
-	evm := vm.New(NewEnvFromMap(state, env, exec), vm.DebugVmTy)
+	vmenv := NewEnvFromMap(state, env, exec)
+	evm := vm.New(vmenv, vm.DebugVmTy)
 	execution := vm.NewExecution(evm, address, FromHex(exec["data"]), ethutil.Big(exec["gas"]), ethutil.Big(exec["gasPrice"]), ethutil.Big(exec["value"]))
 	execution.SkipTransfer = true
 	ret, err := execution.Exec(address, caller)
 
-	return ret, execution.Gas, err
+	return ret, vmenv.logs, execution.Gas, err
 }
 
-func RunState(state *state.State, env, tx map[string]string) ([]byte, *big.Int, error) {
+func RunState(state *state.State, env, tx map[string]string) ([]byte, state.Logs, *big.Int, error) {
 	address := FromHex(tx["to"])
 	keyPair, _ := crypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(tx["secretKey"])))
 	caller := state.GetOrNewStateObject(keyPair.Address())
@@ -79,5 +84,5 @@ func RunState(state *state.State, env, tx map[string]string) ([]byte, *big.Int,
 	execution := vm.NewExecution(evm, address, FromHex(tx["data"]), ethutil.Big(tx["gasLimit"]), ethutil.Big(tx["gasPrice"]), ethutil.Big(tx["value"]))
 	ret, err := execution.Exec(address, caller)
 
-	return ret, execution.Gas, err
+	return ret, vmenv.logs, execution.Gas, err
 }
diff --git a/tests/vm/gh_test.go b/tests/vm/gh_test.go
index 50722bd5b..4c18d29e6 100644
--- a/tests/vm/gh_test.go
+++ b/tests/vm/gh_test.go
@@ -141,6 +141,7 @@ import (
 	"strconv"
 	"testing"
 
+	"github.com/ethereum/go-ethereum/chain"
 	"github.com/ethereum/go-ethereum/ethutil"
 	"github.com/ethereum/go-ethereum/state"
 	"github.com/ethereum/go-ethereum/tests/helper"
@@ -153,6 +154,12 @@ type Account struct {
 	Storage map[string]string
 }
 
+type Log struct {
+	Address string
+	Data    string
+	Topics  []string
+}
+
 func StateObjectFromAccount(addr string, account Account) *state.StateObject {
 	obj := state.NewStateObject(ethutil.Hex2Bytes(addr))
 	obj.SetBalance(ethutil.Big(account.Balance))
@@ -181,6 +188,7 @@ type VmTest struct {
 	Env         Env
 	Exec        map[string]string
 	Transaction map[string]string
+	Logs        map[string]Log
 	Gas         string
 	Out         string
 	Post        map[string]Account
@@ -192,10 +200,10 @@ func RunVmTest(p string, t *testing.T) {
 	helper.CreateFileTests(t, p, &tests)
 
 	for name, test := range tests {
-		state := state.New(helper.NewTrie())
+		statedb := state.New(helper.NewTrie())
 		for addr, account := range test.Pre {
 			obj := StateObjectFromAccount(addr, account)
-			state.SetStateObject(obj)
+			statedb.SetStateObject(obj)
 		}
 
 		// XXX Yeah, yeah...
@@ -212,15 +220,16 @@ func RunVmTest(p string, t *testing.T) {
 		}
 
 		var (
-			ret []byte
-			gas *big.Int
-			err error
+			ret  []byte
+			gas  *big.Int
+			err  error
+			logs state.Logs
 		)
 
 		if len(test.Exec) > 0 {
-			ret, gas, err = helper.RunVm(state, env, test.Exec)
+			ret, logs, gas, err = helper.RunVm(statedb, env, test.Exec)
 		} else {
-			ret, gas, err = helper.RunState(state, env, test.Transaction)
+			ret, logs, gas, err = helper.RunState(statedb, env, test.Transaction)
 		}
 
 		// When an error is returned it doesn't always mean the tests fails.
@@ -242,7 +251,7 @@ func RunVmTest(p string, t *testing.T) {
 		}
 
 		for addr, account := range test.Post {
-			obj := state.GetStateObject(helper.FromHex(addr))
+			obj := statedb.GetStateObject(helper.FromHex(addr))
 			for addr, value := range account.Storage {
 				v := obj.GetState(helper.FromHex(addr)).Bytes()
 				vexp := helper.FromHex(value)
@@ -252,6 +261,16 @@ func RunVmTest(p string, t *testing.T) {
 				}
 			}
 		}
+
+		if len(test.Logs) > 0 {
+			genBloom := ethutil.LeftPadBytes(chain.LogsBloom(logs).Bytes(), 64)
+			// Logs within the test itself aren't correct, missing empty fields (32 0s)
+			for bloom /*logs*/, _ := range test.Logs {
+				if !bytes.Equal(genBloom, ethutil.Hex2Bytes(bloom)) {
+					t.Errorf("bloom mismatch")
+				}
+			}
+		}
 	}
 }
 
@@ -296,6 +315,11 @@ func TestVm(t *testing.T) {
 	RunVmTest(fn, t)
 }
 
+func TestVmLog(t *testing.T) {
+	const fn = "../files/vmtests/vmLogTest.json"
+	RunVmTest(fn, t)
+}
+
 func TestStateSystemOperations(t *testing.T) {
 	const fn = "../files/StateTests/stSystemOperationsTest.json"
 	RunVmTest(fn, t)
diff --git a/vm/execution.go b/vm/execution.go
index f8a772a1d..4df77729e 100644
--- a/vm/execution.go
+++ b/vm/execution.go
@@ -26,7 +26,7 @@ func (self *Execution) Addr() []byte {
 
 func (self *Execution) Exec(codeAddr []byte, caller ClosureRef) ([]byte, error) {
 	// Retrieve the executing code
-	code := self.vm.Env().State().GetCode(codeAddr)
+	code := self.vm.Env().GetCode(codeAddr)
 
 	return self.exec(code, codeAddr, caller)
 }
@@ -34,13 +34,11 @@ func (self *Execution) Exec(codeAddr []byte, caller ClosureRef) ([]byte, error)
 func (self *Execution) exec(code, caddr []byte, caller ClosureRef) (ret []byte, err error) {
 	env := self.vm.Env()
 
-	vmlogger.Debugf("pre state %x\n", env.State().Root())
 	snapshot := env.State().Copy()
 	defer func() {
 		if IsDepthErr(err) || IsOOGErr(err) {
 			env.State().Set(snapshot)
 		}
-		vmlogger.Debugf("post state %x\n", env.State().Root())
 	}()
 
 	msg := env.State().Manifest().AddMessage(&state.Message{
diff --git a/vm/stack.go b/vm/stack.go
index 2eca60ad1..98795cc03 100644
--- a/vm/stack.go
+++ b/vm/stack.go
@@ -147,9 +147,8 @@ func (m *Memory) Get(offset, size int64) []byte {
 
 func (self *Memory) Geti(offset, size int64) (cpy []byte) {
 	if len(self.store) > int(offset) {
-		s := int64(math.Min(float64(len(self.store)), float64(offset+size)))
 		cpy = make([]byte, size)
-		copy(cpy, self.store[offset:offset+s])
+		copy(cpy, self.store[offset:offset+size])
 
 		return
 	}
diff --git a/vm/types.go b/vm/types.go
index 0b20fb655..ec9c7e74e 100644
--- a/vm/types.go
+++ b/vm/types.go
@@ -163,8 +163,8 @@ const (
 	// 0xf0 range - closures
 	CREATE OpCode = 0xf0 + iota
 	CALL
-	RETURN
 	CALLCODE
+	RETURN
 
 	// 0x70 range - other
 	SUICIDE = 0xff
@@ -308,12 +308,11 @@ var opCodeToString = map[OpCode]string{
 	SWAP14: "SWAP14",
 	SWAP15: "SWAP15",
 	SWAP16: "SWAP16",
-
-	LOG0: "LOG0",
-	LOG1: "LOG1",
-	LOG2: "LOG2",
-	LOG3: "LOG3",
-	LOG4: "LOG4",
+	LOG0:   "LOG0",
+	LOG1:   "LOG1",
+	LOG2:   "LOG2",
+	LOG3:   "LOG3",
+	LOG4:   "LOG4",
 
 	// 0xf0 range
 	CREATE:   "CREATE",
diff --git a/vm/vm_debug.go b/vm/vm_debug.go
index 0a95953b0..31345c555 100644
--- a/vm/vm_debug.go
+++ b/vm/vm_debug.go
@@ -41,7 +41,7 @@ func NewDebugVm(env Environment) *DebugVm {
 		lt = LogTyDiff
 	}
 
-	return &DebugVm{env: env, logTy: lt, Recoverable: true}
+	return &DebugVm{env: env, logTy: lt, Recoverable: false}
 }
 
 //func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
@@ -177,10 +177,13 @@ func (self *DebugVm) Run(call Options) (ret []byte, gas *big.Int, err error) {
 			n := int(op - LOG0)
 			require(n + 2)
 
-			mSize, mStart := stack.Peekn()
-			reqGs.Set(GasLog)
+			gas.Set(GasLog)
 			addStepGasUsage(new(big.Int).Mul(big.NewInt(int64(n)), GasLog))
-			addStepGasUsage(new(big.Int).Add(mSize, mStart))
+
+			mSize, mStart := stack.Peekn()
+			addStepGasUsage(mSize)
+
+			newMemSize = calcMemSize(mStart, mSize)
 		case EXP:
 			require(2)
 
@@ -762,10 +765,10 @@ func (self *DebugVm) Run(call Options) (ret []byte, gas *big.Int, err error) {
 		case LOG0, LOG1, LOG2, LOG3, LOG4:
 			n := int(op - LOG0)
 			topics := make([][]byte, n)
-			mStart, mSize := stack.Pop().Int64(), stack.Pop().Int64()
+			mSize, mStart := stack.Pop().Int64(), stack.Pop().Int64()
 			data := mem.Geti(mStart, mSize)
 			for i := 0; i < n; i++ {
-				topics[i] = stack.Pop().Bytes()
+				topics[i] = ethutil.LeftPadBytes(stack.Pop().Bytes(), 32)
 			}
 
 			//log := &state.Log{closure.Address(), topics, data}