Fixed mem error in vm. Fixed logs tests

chain/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}

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")

cmd/mist/main.go

@@ -31,7 +31,7 @@ import (
 
 const (
 	ClientIdentifier = "Mist"
-	Version          = "0.7.6"
+	Version          = "0.7.7"
 )
 
 var ethereum *eth.Ethereum

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
 }

tests/vm/gh_test.go

@@ -6,6 +6,7 @@ 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"
@@ -18,6 +19,12 @@ 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))
@@ -46,6 +53,7 @@ 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
@@ -57,10 +65,10 @@ 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...
@@ -80,12 +88,13 @@ func RunVmTest(p string, t *testing.T) {
 			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.
@@ -107,7 +116,7 @@ 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)
@@ -117,6 +126,16 @@ 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")
+				}
+			}
+		}
 	}
 }
 
@@ -161,6 +180,11 @@ 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)

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
 	}

vm/types.go

@@ -308,6 +308,11 @@ var opCodeToString = map[OpCode]string{
 	SWAP14: "SWAP14",
 	SWAP15: "SWAP15",
 	SWAP16: "SWAP16",
+	LOG0:   "LOG0",
+	LOG1:   "LOG1",
+	LOG2:   "LOG2",
+	LOG3:   "LOG3",
+	LOG4:   "LOG4",
 
 	// 0xf0 range
 	CREATE:   "CREATE",

vm/vm_debug.go

@@ -35,7 +35,7 @@ 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) {
@@ -168,8 +168,10 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
 			gas.Set(GasLog)
 			addStepGasUsage(new(big.Int).Mul(big.NewInt(int64(n)), GasLog))
 
-			mSize, _ := stack.Peekn()
+			mSize, mStart := stack.Peekn()
 			addStepGasUsage(mSize)
+
+			newMemSize = calcMemSize(mStart, mSize)
 		case EXP:
 			require(2)
 
@@ -755,10 +757,10 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, 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}