Merge pull request #1737 from bnb-chain/develop

release: draft release v1.2.8

CHANGELOG.md

@@ -1,4 +1,12 @@
 # Changelog
+## v1.2.8
+FEATURE
+* [\#1626](https://github.com/bnb-chain/bsc/pull/1626) eth/filters, ethclient/gethclient: add fullTx option to pending tx filter
+* [\#1726](https://github.com/bnb-chain/bsc/pull/1726) feat: support password flag when handling bls keys
+
+BUGFIX
+* [\#1734](https://github.com/bnb-chain/bsc/pull/1734) fix: avoid to block the chain when failed to send votes
+
 ## v1.2.7
 FEATURE
 * [\#1645](https://github.com/bnb-chain/bsc/pull/1645) lightclient: fix validator set change

cmd/geth/blsaccountcmd.go

@@ -46,6 +46,10 @@ var (
 		Name:  "show-private-key",
 		Usage: "Show the BLS12-381 private key you will encrypt into a keystore file",
 	}
+	BLSAccountPasswordFileFlag = cli.StringFlag{
+		Name:  "blsaccountpassword",
+		Usage: "File path for the BLS account password, which contains the password to encrypt private key into keystore file for managing votes in fast_finality feature",
+	}
 )
 
 var (
@@ -87,6 +91,7 @@ or import a BLS account. The BLS wallet dir should be "<DATADIR>/bls/wallet".`,
 						Category:  "BLS ACCOUNT COMMANDS",
 						Flags: []cli.Flag{
 							utils.DataDirFlag,
+							utils.BLSPasswordFileFlag,
 						},
 						Description: `
 	geth bls wallet create
@@ -128,6 +133,8 @@ Make sure you backup your BLS keys regularly.`,
 							utils.DataDirFlag,
 							privateKeyFlag,
 							showPrivateKeyFlag,
+							utils.BLSPasswordFileFlag,
+							BLSAccountPasswordFileFlag,
 						},
 						Description: `
 	geth bls account new
@@ -147,6 +154,8 @@ You must remember this password to unlock your account in the future.`,
 						Category:  "BLS ACCOUNT COMMANDS",
 						Flags: []cli.Flag{
 							utils.DataDirFlag,
+							utils.BLSPasswordFileFlag,
+							BLSAccountPasswordFileFlag,
 						},
 						Description: `
 	geth bls account import <keyFile>
@@ -163,6 +172,7 @@ If the BLS wallet not created yet, it will try to create BLS wallet first.`,
 						Category:  "BLS ACCOUNT COMMANDS",
 						Flags: []cli.Flag{
 							utils.DataDirFlag,
+							utils.BLSPasswordFileFlag,
 						},
 						Description: `
 	geth bls account list
@@ -177,6 +187,7 @@ Print summary of existing BLS accounts in the current BLS wallet.`,
 						Category:  "BLS ACCOUNT COMMANDS",
 						Flags: []cli.Flag{
 							utils.DataDirFlag,
+							utils.BLSPasswordFileFlag,
 						},
 						Description: `
 	geth bls account delete
@@ -209,7 +220,7 @@ func blsWalletCreate(ctx *cli.Context) error {
 		utils.Fatalf("BLS wallet already exists in <DATADIR>/bls/wallet.")
 	}
 
-	password := utils.GetPassPhrase("Your new BLS wallet will be locked with a password. Please give a password. Do not forget this password.", true)
+	password := utils.GetPassPhraseWithList("Your new BLS wallet will be locked with a password. Please give a password. Do not forget this password.", true, 0, GetBLSPassword(ctx))
 
 	opts := []accounts.Option{}
 	opts = append(opts, accounts.WithWalletDir(dir))
@@ -239,7 +250,7 @@ func openOrCreateBLSWallet(ctx *cli.Context, cfg *gethConfig) (*wallet.Wallet, e
 	}
 	if !dirExists {
 		fmt.Println("BLS wallet not exists, creating BLS wallet...")
-		password := utils.GetPassPhrase("Your new BLS wallet will be locked with a password. Please give a password. Do not forget this password.", true)
+		password := utils.GetPassPhraseWithList("Your new BLS wallet will be locked with a password. Please give a password. Do not forget this password.", true, 0, GetBLSPassword(ctx))
 
 		opts := []accounts.Option{}
 		opts = append(opts, accounts.WithWalletDir(walletDir))
@@ -259,7 +270,7 @@ func openOrCreateBLSWallet(ctx *cli.Context, cfg *gethConfig) (*wallet.Wallet, e
 		return w, nil
 	}
 
-	walletPassword := utils.GetPassPhrase("Enter the password for your BLS wallet.", false)
+	walletPassword := utils.GetPassPhraseWithList("Enter the password for your BLS wallet.", false, 0, GetBLSPassword(ctx))
 	w, err = wallet.OpenWallet(context.Background(), &wallet.Config{
 		WalletDir:      walletDir,
 		WalletPassword: walletPassword,
@@ -299,7 +310,7 @@ func blsAccountCreate(ctx *cli.Context) error {
 	if err := os.MkdirAll(keystoreDir, 0755); err != nil {
 		utils.Fatalf("Could not access keystore dir: %v.", err)
 	}
-	accountPassword := utils.GetPassPhrase("Your new BLS account will be encrypted with a password. Please give a password. Do not forget this password.", true)
+	accountPassword := utils.GetPassPhraseWithList("Your new BLS account will be encrypted with a password. Please give a password. Do not forget this password.", true, 0, GetBLSAccountPassword(ctx))
 	if err := core.ValidatePasswordFormat(accountPassword); err != nil {
 		utils.Fatalf("Password invalid: %v.", err)
 	}
@@ -411,7 +422,8 @@ func blsAccountImport(ctx *cli.Context) error {
 		utils.Fatalf("The BLS keymanager cannot import keystores")
 	}
 
-	password := utils.GetPassPhrase("Enter the password for your imported account.", false)
+	password := utils.GetPassPhraseWithList("Enter the password for your imported account.", false, 0, GetBLSAccountPassword(ctx))
+
 	fmt.Println("Importing BLS account, this may take a while...")
 	statuses, err := accounts.ImportAccounts(context.Background(), &accounts.ImportAccountsConfig{
 		Importer:        k,
@@ -447,7 +459,7 @@ func blsAccountList(ctx *cli.Context) error {
 		utils.Fatalf("BLS wallet not exists.")
 	}
 
-	walletPassword := utils.GetPassPhrase("Enter the password for your BLS wallet.", false)
+	walletPassword := utils.GetPassPhraseWithList("Enter the password for your BLS wallet.", false, 0, GetBLSPassword(ctx))
 	w, err := wallet.OpenWallet(context.Background(), &wallet.Config{
 		WalletDir:      walletDir,
 		WalletPassword: walletPassword,
@@ -526,7 +538,7 @@ func blsAccountDelete(ctx *cli.Context) error {
 		utils.Fatalf("BLS wallet not exists.")
 	}
 
-	walletPassword := utils.GetPassPhrase("Enter the password for your BLS wallet.", false)
+	walletPassword := utils.GetPassPhraseWithList("Enter the password for your BLS wallet.", false, 0, GetBLSPassword(ctx))
 	w, err := wallet.OpenWallet(context.Background(), &wallet.Config{
 		WalletDir:      walletDir,
 		WalletPassword: walletPassword,
@@ -587,3 +599,27 @@ func blsAccountDelete(ctx *cli.Context) error {
 
 	return nil
 }
+
+func GetBLSPassword(ctx *cli.Context) []string {
+	path := ctx.GlobalString(utils.BLSPasswordFileFlag.Name)
+	if path == "" {
+		return nil
+	}
+	text, err := ioutil.ReadFile(path)
+	if err != nil {
+		utils.Fatalf("Failed to read wallet password file: %v", err)
+	}
+	return []string{string(text)}
+}
+
+func GetBLSAccountPassword(ctx *cli.Context) []string {
+	path := ctx.String(BLSAccountPasswordFileFlag.Name)
+	if path == "" {
+		return nil
+	}
+	text, err := ioutil.ReadFile(path)
+	if err != nil {
+		utils.Fatalf("Failed to read account password file: %v", err)
+	}
+	return []string{string(text)}
+}

eth/filters/api.go

@@ -39,6 +39,7 @@ type filter struct {
 	typ      Type
 	deadline *time.Timer // filter is inactiv when deadline triggers
 	hashes   []common.Hash
+	txs      []*types.Transaction
 	crit     FilterCriteria
 	logs     []*types.Log
 	s        *Subscription // associated subscription in event system
@@ -99,7 +100,7 @@ func (api *PublicFilterAPI) timeoutLoop(timeout time.Duration) {
 	}
 }
 
-// NewPendingTransactionFilter creates a filter that fetches pending transaction hashes
+// NewPendingTransactionFilter creates a filter that fetches pending transactions
 // as transactions enter the pending state.
 //
 // It is part of the filter package because this filter can be used through the
@@ -108,20 +109,20 @@ func (api *PublicFilterAPI) timeoutLoop(timeout time.Duration) {
 // https://eth.wiki/json-rpc/API#eth_newpendingtransactionfilter
 func (api *PublicFilterAPI) NewPendingTransactionFilter() rpc.ID {
 	var (
-		pendingTxs   = make(chan []common.Hash)
+		pendingTxs   = make(chan []*types.Transaction)
 		pendingTxSub = api.events.SubscribePendingTxs(pendingTxs)
 	)
 	api.filtersMu.Lock()
-	api.filters[pendingTxSub.ID] = &filter{typ: PendingTransactionsSubscription, deadline: time.NewTimer(api.timeout), hashes: make([]common.Hash, 0), s: pendingTxSub}
+	api.filters[pendingTxSub.ID] = &filter{typ: PendingTransactionsSubscription, deadline: time.NewTimer(api.timeout), txs: make([]*types.Transaction, 0), s: pendingTxSub}
 	api.filtersMu.Unlock()
 
 	gopool.Submit(func() {
 		for {
 			select {
-			case ph := <-pendingTxs:
+			case pTx := <-pendingTxs:
 				api.filtersMu.Lock()
 				if f, found := api.filters[pendingTxSub.ID]; found {
-					f.hashes = append(f.hashes, ph...)
+					f.txs = append(f.txs, pTx...)
 				}
 				api.filtersMu.Unlock()
 			case <-pendingTxSub.Err():
@@ -136,9 +137,10 @@ func (api *PublicFilterAPI) NewPendingTransactionFilter() rpc.ID {
 	return pendingTxSub.ID
 }
 
-// NewPendingTransactions creates a subscription that is triggered each time a transaction
+// NewPendingTransactions creates a subscription that is triggered each time a
-// enters the transaction pool and was signed from one of the transactions this nodes manages.
+// transaction enters the transaction pool. If fullTx is true the full tx is
-func (api *PublicFilterAPI) NewPendingTransactions(ctx context.Context) (*rpc.Subscription, error) {
+// sent to the client, otherwise the hash is sent.
+func (api *PublicFilterAPI) NewPendingTransactions(ctx context.Context, fullTx *bool) (*rpc.Subscription, error) {
 	notifier, supported := rpc.NotifierFromContext(ctx)
 	if !supported {
 		return &rpc.Subscription{}, rpc.ErrNotificationsUnsupported
@@ -147,16 +149,20 @@ func (api *PublicFilterAPI) NewPendingTransactions(ctx context.Context) (*rpc.Su
 	rpcSub := notifier.CreateSubscription()
 
 	gopool.Submit(func() {
-		txHashes := make(chan []common.Hash, 128)
+		txs := make(chan []*types.Transaction, 128)
-		pendingTxSub := api.events.SubscribePendingTxs(txHashes)
+		pendingTxSub := api.events.SubscribePendingTxs(txs)
 
 		for {
 			select {
-			case hashes := <-txHashes:
+			case txs := <-txs:
 				// To keep the original behaviour, send a single tx hash in one notification.
 				// TODO(rjl493456442) Send a batch of tx hashes in one notification
-				for _, h := range hashes {
+				for _, tx := range txs {
-					notifier.Notify(rpcSub.ID, h)
+					if fullTx != nil && *fullTx {
+						notifier.Notify(rpcSub.ID, tx)
+					} else {
+						notifier.Notify(rpcSub.ID, tx.Hash())
+					}
 				}
 			case <-rpcSub.Err():
 				pendingTxSub.Unsubscribe()
@@ -551,10 +557,14 @@ func (api *PublicFilterAPI) GetFilterChanges(id rpc.ID) (interface{}, error) {
 		f.deadline.Reset(api.timeout)
 
 		switch f.typ {
-		case PendingTransactionsSubscription, BlocksSubscription, FinalizedHeadersSubscription, VotesSubscription:
+		case BlocksSubscription, FinalizedHeadersSubscription, VotesSubscription:
 			hashes := f.hashes
 			f.hashes = nil
 			return returnHashes(hashes), nil
+		case PendingTransactionsSubscription:
+			txs := f.txs
+			f.txs = nil
+			return txs, nil
 		case LogsSubscription, MinedAndPendingLogsSubscription:
 			logs := f.logs
 			f.logs = nil

eth/filters/filter_system.go

@@ -47,8 +47,8 @@ const (
 	PendingLogsSubscription
 	// MinedAndPendingLogsSubscription queries for logs in mined and pending blocks.
 	MinedAndPendingLogsSubscription
-	// PendingTransactionsSubscription queries tx hashes for pending
+	// PendingTransactionsSubscription queries for pending transactions entering
-	// transactions entering the pending state
+	// the pending state
 	PendingTransactionsSubscription
 	// BlocksSubscription queries hashes for blocks that are imported
 	BlocksSubscription
@@ -83,7 +83,7 @@ type subscription struct {
 	created          time.Time
 	logsCrit         ethereum.FilterQuery
 	logs             chan []*types.Log
-	hashes           chan []common.Hash
+	txs              chan []*types.Transaction
 	headers          chan *types.Header
 	finalizedHeaders chan *types.Header
 	votes            chan *types.VoteEnvelope
@@ -187,7 +187,7 @@ func (sub *Subscription) Unsubscribe() {
 			case sub.es.uninstall <- sub.f:
 				break uninstallLoop
 			case <-sub.f.logs:
-			case <-sub.f.hashes:
+			case <-sub.f.txs:
 			case <-sub.f.headers:
 			case <-sub.f.votes:
 			}
@@ -255,7 +255,7 @@ func (es *EventSystem) subscribeMinedPendingLogs(crit ethereum.FilterQuery, logs
 		logsCrit:  crit,
 		created:   time.Now(),
 		logs:      logs,
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   make(chan *types.Header),
 		votes:     make(chan *types.VoteEnvelope),
 		installed: make(chan struct{}),
@@ -273,7 +273,7 @@ func (es *EventSystem) subscribeLogs(crit ethereum.FilterQuery, logs chan []*typ
 		logsCrit:  crit,
 		created:   time.Now(),
 		logs:      logs,
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   make(chan *types.Header),
 		votes:     make(chan *types.VoteEnvelope),
 		installed: make(chan struct{}),
@@ -291,7 +291,7 @@ func (es *EventSystem) subscribePendingLogs(crit ethereum.FilterQuery, logs chan
 		logsCrit:  crit,
 		created:   time.Now(),
 		logs:      logs,
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   make(chan *types.Header),
 		votes:     make(chan *types.VoteEnvelope),
 		installed: make(chan struct{}),
@@ -308,7 +308,7 @@ func (es *EventSystem) SubscribeNewHeads(headers chan *types.Header) *Subscripti
 		typ:       BlocksSubscription,
 		created:   time.Now(),
 		logs:      make(chan []*types.Log),
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   headers,
 		votes:     make(chan *types.VoteEnvelope),
 		installed: make(chan struct{}),
@@ -325,7 +325,7 @@ func (es *EventSystem) SubscribeNewFinalizedHeaders(headers chan *types.Header)
 		typ:       FinalizedHeadersSubscription,
 		created:   time.Now(),
 		logs:      make(chan []*types.Log),
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   headers,
 		votes:     make(chan *types.VoteEnvelope),
 		installed: make(chan struct{}),
@@ -334,15 +334,15 @@ func (es *EventSystem) SubscribeNewFinalizedHeaders(headers chan *types.Header)
 	return es.subscribe(sub)
 }
 
-// SubscribePendingTxs creates a subscription that writes transaction hashes for
+// SubscribePendingTxs creates a subscription that writes transactions for
 // transactions that enter the transaction pool.
-func (es *EventSystem) SubscribePendingTxs(hashes chan []common.Hash) *Subscription {
+func (es *EventSystem) SubscribePendingTxs(txs chan []*types.Transaction) *Subscription {
 	sub := &subscription{
 		id:        rpc.NewID(),
 		typ:       PendingTransactionsSubscription,
 		created:   time.Now(),
 		logs:      make(chan []*types.Log),
-		hashes:    hashes,
+		txs:       txs,
 		headers:   make(chan *types.Header),
 		votes:     make(chan *types.VoteEnvelope),
 		installed: make(chan struct{}),
@@ -359,7 +359,7 @@ func (es *EventSystem) SubscribeNewVotes(votes chan *types.VoteEnvelope) *Subscr
 		typ:       VotesSubscription,
 		created:   time.Now(),
 		logs:      make(chan []*types.Log),
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   make(chan *types.Header),
 		votes:     votes,
 		installed: make(chan struct{}),
@@ -404,12 +404,8 @@ func (es *EventSystem) handleRemovedLogs(filters filterIndex, ev core.RemovedLog
 }
 
 func (es *EventSystem) handleTxsEvent(filters filterIndex, ev core.NewTxsEvent) {
-	hashes := make([]common.Hash, 0, len(ev.Txs))
-	for _, tx := range ev.Txs {
-		hashes = append(hashes, tx.Hash())
-	}
 	for _, f := range filters[PendingTransactionsSubscription] {
-		f.hashes <- hashes
+		f.txs <- ev.Txs
 	}
 }
 

eth/filters/filter_system_test.go

@@ -250,7 +250,7 @@ func TestPendingTxFilter(t *testing.T) {
 			types.NewTransaction(4, common.HexToAddress("0xb794f5ea0ba39494ce83a213fffba74279579268"), new(big.Int), 0, new(big.Int), nil),
 		}
 
-		hashes []common.Hash
+		txs []*types.Transaction
 	)
 
 	fid0 := api.NewPendingTransactionFilter()
@@ -265,9 +265,9 @@ func TestPendingTxFilter(t *testing.T) {
 			t.Fatalf("Unable to retrieve logs: %v", err)
 		}
 
-		h := results.([]common.Hash)
+		tx := results.([]*types.Transaction)
-		hashes = append(hashes, h...)
+		txs = append(txs, tx...)
-		if len(hashes) >= len(transactions) {
+		if len(txs) >= len(transactions) {
 			break
 		}
 		// check timeout
@@ -278,13 +278,13 @@ func TestPendingTxFilter(t *testing.T) {
 		time.Sleep(100 * time.Millisecond)
 	}
 
-	if len(hashes) != len(transactions) {
+	if len(txs) != len(transactions) {
-		t.Errorf("invalid number of transactions, want %d transactions(s), got %d", len(transactions), len(hashes))
+		t.Errorf("invalid number of transactions, want %d transactions(s), got %d", len(transactions), len(txs))
 		return
 	}
-	for i := range hashes {
+	for i := range txs {
-		if hashes[i] != transactions[i].Hash() {
+		if txs[i].Hash() != transactions[i].Hash() {
-			t.Errorf("hashes[%d] invalid, want %x, got %x", i, transactions[i].Hash(), hashes[i])
+			t.Errorf("hashes[%d] invalid, want %x, got %x", i, transactions[i].Hash(), txs[i].Hash())
 		}
 	}
 }
@@ -715,11 +715,11 @@ func TestPendingTxFilterDeadlock(t *testing.T) {
 		fids[i] = fid
 		// Wait for at least one tx to arrive in filter
 		for {
-			hashes, err := api.GetFilterChanges(fid)
+			txs, err := api.GetFilterChanges(fid)
 			if err != nil {
 				t.Fatalf("Filter should exist: %v\n", err)
 			}
-			if len(hashes.([]common.Hash)) > 0 {
+			if len(txs.([]*types.Transaction)) > 0 {
 				break
 			}
 			runtime.Gosched()

eth/protocols/bsc/peer.go

@@ -13,6 +13,9 @@ const (
 	// maxKnownVotes is the maximum vote hashes to keep in the known list
 	// before starting to randomly evict them.
 	maxKnownVotes = 5376
+
+	// voteBufferSize is the maximum number of batch votes can be hold before sending
+	voteBufferSize = 21 * 2
 )
 
 // max is a helper function which returns the larger of the two given integers.
@@ -43,7 +46,7 @@ func NewPeer(version uint, p *p2p.Peer, rw p2p.MsgReadWriter) *Peer {
 	peer := &Peer{
 		id:            id,
 		knownVotes:    newKnownCache(maxKnownVotes),
-		voteBroadcast: make(chan []*types.VoteEnvelope),
+		voteBroadcast: make(chan []*types.VoteEnvelope, voteBufferSize),
 		Peer:          p,
 		rw:            rw,
 		version:       version,
@@ -105,7 +108,9 @@ func (p *Peer) AsyncSendVotes(votes []*types.VoteEnvelope) {
 	select {
 	case p.voteBroadcast <- votes:
 	case <-p.term:
-		p.Log().Debug("Dropping vote propagation", "count", len(votes))
+		p.Log().Debug("Dropping vote propagation for closed peer", "count", len(votes))
+	default:
+		p.Log().Debug("Dropping vote propagation for abnormal peer", "count", len(votes))
 	}
 }
 

ethclient/gethclient/gethclient.go

@@ -175,7 +175,12 @@ func (ec *Client) GetNodeInfo(ctx context.Context) (*p2p.NodeInfo, error) {
 	return &result, err
 }
 
-// SubscribePendingTransactions subscribes to new pending transactions.
+// SubscribeFullPendingTransactions subscribes to new pending transactions.
+func (ec *Client) SubscribeFullPendingTransactions(ctx context.Context, ch chan<- *types.Transaction) (*rpc.ClientSubscription, error) {
+	return ec.c.EthSubscribe(ctx, ch, "newPendingTransactions", true)
+}
+
+// SubscribePendingTransactions subscribes to new pending transaction hashes.
 func (ec *Client) SubscribePendingTransactions(ctx context.Context, ch chan<- common.Hash) (*rpc.ClientSubscription, error) {
 	return ec.c.EthSubscribe(ctx, ch, "newPendingTransactions")
 }

ethclient/gethclient/gethclient_test.go

@@ -123,8 +123,11 @@ func TestGethClient(t *testing.T) {
 			"TestSetHead",
 			func(t *testing.T) { testSetHead(t, client) },
 		}, {
-			"TestSubscribePendingTxs",
+			"TestSubscribePendingTxHashes",
 			func(t *testing.T) { testSubscribePendingTransactions(t, client) },
+		}, {
+			"TestSubscribePendingTxs",
+			func(t *testing.T) { testSubscribeFullPendingTransactions(t, client) },
 		}, {
 			"TestCallContract",
 			func(t *testing.T) { testCallContract(t, client) },
@@ -298,6 +301,40 @@ func testSubscribePendingTransactions(t *testing.T, client *rpc.Client) {
 	}
 }
 
+func testSubscribeFullPendingTransactions(t *testing.T, client *rpc.Client) {
+	ec := New(client)
+	ethcl := ethclient.NewClient(client)
+	// Subscribe to Transactions
+	ch := make(chan *types.Transaction)
+	ec.SubscribeFullPendingTransactions(context.Background(), ch)
+	// Send a transaction
+	chainID, err := ethcl.ChainID(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Create transaction
+	tx := types.NewTransaction(1, common.Address{1}, big.NewInt(1), 22000, big.NewInt(1), nil)
+	signer := types.LatestSignerForChainID(chainID)
+	signature, err := crypto.Sign(signer.Hash(tx).Bytes(), testKey)
+	if err != nil {
+		t.Fatal(err)
+	}
+	signedTx, err := tx.WithSignature(signer, signature)
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Send transaction
+	err = ethcl.SendTransaction(context.Background(), signedTx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Check that the transaction was send over the channel
+	tx = <-ch
+	if tx.Hash() != signedTx.Hash() {
+		t.Fatalf("Invalid tx hash received, got %v, want %v", tx.Hash(), signedTx.Hash())
+	}
+}
+
 func testCallContract(t *testing.T, client *rpc.Client) {
 	ec := New(client)
 	msg := ethereum.CallMsg{

params/version.go

@@ -23,7 +23,7 @@ import (
 const (
 	VersionMajor = 1  // Major version component of the current release
 	VersionMinor = 2  // Minor version component of the current release
-	VersionPatch = 7  // Patch version component of the current release
+	VersionPatch = 8  // Patch version component of the current release
 	VersionMeta  = "" // Version metadata to append to the version string
 )