core, eth: minor txpool event cleanups
This commit is contained in:
		@@ -454,7 +454,7 @@ func (fb *filterBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*ty
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	return logs, nil
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}
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func (fb *filterBackend) SubscribeTxPreEvent(ch chan<- core.TxsPreEvent) event.Subscription {
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func (fb *filterBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
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	return event.NewSubscription(func(quit <-chan struct{}) error {
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		<-quit
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		return nil
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@@ -21,8 +21,8 @@ import (
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	"github.com/ethereum/go-ethereum/core/types"
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)
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// TxsPreEvent is posted when a batch of transactions enter the transaction pool.
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type TxsPreEvent struct{ Txs types.Transactions }
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// NewTxsEvent is posted when a batch of transactions enter the transaction pool.
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type NewTxsEvent struct{ Txs []*types.Transaction }
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// PendingLogsEvent is posted pre mining and notifies of pending logs.
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type PendingLogsEvent struct {
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@@ -35,9 +35,6 @@ type PendingStateEvent struct{}
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// NewMinedBlockEvent is posted when a block has been imported.
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type NewMinedBlockEvent struct{ Block *types.Block }
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// RemovedTransactionEvent is posted when a reorg happens
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type RemovedTransactionEvent struct{ Txs types.Transactions }
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// RemovedLogsEvent is posted when a reorg happens
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type RemovedLogsEvent struct{ Logs []*types.Log }
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@@ -76,22 +76,21 @@ func (journal *txJournal) load(add func([]*types.Transaction) []error) error {
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	stream := rlp.NewStream(input, 0)
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	total, dropped := 0, 0
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	// flush imports a batch of transactions and bump the appropriate progress counters
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	flush := func(txs types.Transactions) {
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		errs := add(txs)
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		for _, err := range errs {
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	// Create a method to load a limited batch of transactions and bump the
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	// appropriate progress counters. Then use this method to load all the
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	// journalled transactions in small-ish batches.
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	loadBatch := func(txs types.Transactions) {
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		for _, err := range add(txs) {
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			if err != nil {
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				log.Debug("Failed to add journaled transaction", "err", err)
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				dropped++
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			}
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		}
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	}
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	var (
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		failure error
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		txs     types.Transactions
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		batch   types.Transactions
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	)
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	for {
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		// Parse the next transaction and terminate on error
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		tx := new(types.Transaction)
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@@ -99,19 +98,19 @@ func (journal *txJournal) load(add func([]*types.Transaction) []error) error {
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			if err != io.EOF {
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				failure = err
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			}
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			if batch.Len() > 0 {
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				loadBatch(batch)
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			}
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			break
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		}
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		txs = append(txs, tx)
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		// New transaction parsed, queue up for later, import if threnshold is reached
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		total++
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		if txs.Len() > 1024 {
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			flush(txs)
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			txs = types.Transactions{}
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		if batch = append(batch, tx); batch.Len() > 1024 {
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			loadBatch(batch)
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			batch = batch[:0]
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		}
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	}
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	if txs.Len() > 0 {
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		flush(txs)
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		txs = types.Transactions{}
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	}
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	log.Info("Loaded local transaction journal", "transactions", total, "dropped", dropped)
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	return failure
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@@ -444,9 +444,9 @@ func (pool *TxPool) Stop() {
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	log.Info("Transaction pool stopped")
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}
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// SubscribeTxPreEvent registers a subscription of TxsPreEvent and
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// SubscribeNewTxsEvent registers a subscription of NewTxsEvent and
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// starts sending event to the given channel.
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func (pool *TxPool) SubscribeTxPreEvent(ch chan<- TxsPreEvent) event.Subscription {
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func (pool *TxPool) SubscribeNewTxsEvent(ch chan<- NewTxsEvent) event.Subscription {
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	return pool.scope.Track(pool.txFeed.Subscribe(ch))
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}
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@@ -653,7 +653,7 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (bool, error) {
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		log.Trace("Pooled new executable transaction", "hash", hash, "from", from, "to", tx.To())
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		// We've directly injected a replacement transaction, notify subsystems
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		go pool.txFeed.Send(TxsPreEvent{types.Transactions{tx}})
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		go pool.txFeed.Send(NewTxsEvent{types.Transactions{tx}})
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		return old != nil, nil
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	}
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@@ -712,7 +712,8 @@ func (pool *TxPool) journalTx(from common.Address, tx *types.Transaction) {
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	}
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}
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// promoteTx adds a transaction to the pending (processable) list of transactions.
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// promoteTx adds a transaction to the pending (processable) list of transactions
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// and returns whether it was inserted or an older was better.
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//
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// Note, this method assumes the pool lock is held!
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func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.Transaction) bool {
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@@ -746,6 +747,7 @@ func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.T
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	// Set the potentially new pending nonce and notify any subsystems of the new tx
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	pool.beats[addr] = time.Now()
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	pool.pendingState.SetNonce(addr, tx.Nonce()+1)
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	return true
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}
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@@ -906,7 +908,9 @@ func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
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// future queue to the set of pending transactions. During this process, all
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// invalidated transactions (low nonce, low balance) are deleted.
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func (pool *TxPool) promoteExecutables(accounts []common.Address) {
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	var promotedTxs types.Transactions
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	// Track the promoted transactions to broadcast them at once
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	var promoted []*types.Transaction
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	// Gather all the accounts potentially needing updates
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	if accounts == nil {
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		accounts = make([]common.Address, 0, len(pool.queue))
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@@ -937,16 +941,13 @@ func (pool *TxPool) promoteExecutables(accounts []common.Address) {
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			queuedNofundsCounter.Inc(1)
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		}
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		// Gather all executable transactions and promote them
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		txs := list.Ready(pool.pendingState.GetNonce(addr))
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		for _, tx := range txs {
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		for _, tx := range list.Ready(pool.pendingState.GetNonce(addr)) {
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			hash := tx.Hash()
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			inserted := pool.promoteTx(addr, hash, tx)
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			if inserted {
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			if pool.promoteTx(addr, hash, tx) {
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				log.Trace("Promoting queued transaction", "hash", hash)
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				promotedTxs = append(promotedTxs, tx)
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				promoted = append(promoted, tx)
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			}
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		}
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		// Drop all transactions over the allowed limit
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		if !pool.locals.contains(addr) {
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			for _, tx := range list.Cap(int(pool.config.AccountQueue)) {
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@@ -963,10 +964,9 @@ func (pool *TxPool) promoteExecutables(accounts []common.Address) {
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		}
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	}
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	// Notify subsystem for new promoted transactions.
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	if promotedTxs.Len() > 0 {
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		pool.txFeed.Send(TxsPreEvent{promotedTxs})
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	if len(promoted) > 0 {
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		pool.txFeed.Send(NewTxsEvent{promoted})
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	}
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	// If the pending limit is overflown, start equalizing allowances
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	pending := uint64(0)
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	for _, list := range pool.pending {
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@@ -118,19 +118,20 @@ func validateTxPoolInternals(pool *TxPool) error {
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// validateEvents checks that the correct number of transaction addition events
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// were fired on the pool's event feed.
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func validateEvents(events chan TxsPreEvent, count int) error {
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	received := 0
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	for {
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		if received == count {
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			break
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		}
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func validateEvents(events chan NewTxsEvent, count int) error {
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	var received []*types.Transaction
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	for len(received) < count {
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		select {
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		case ev := <-events:
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			received += ev.Txs.Len()
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			received = append(received, ev.Txs...)
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		case <-time.After(time.Second):
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			return fmt.Errorf("event #%d not fired", received)
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		}
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	}
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	if len(received) > count {
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		return fmt.Errorf("more than %d events fired: %v", count, received[count:])
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	}
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	select {
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	case ev := <-events:
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		return fmt.Errorf("more than %d events fired: %v", count, ev.Txs)
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@@ -674,7 +675,7 @@ func TestTransactionGapFilling(t *testing.T) {
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	pool.currentState.AddBalance(account, big.NewInt(1000000))
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	// Keep track of transaction events to ensure all executables get announced
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	events := make(chan TxsPreEvent, testTxPoolConfig.AccountQueue+5)
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	events := make(chan NewTxsEvent, testTxPoolConfig.AccountQueue+5)
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	sub := pool.txFeed.Subscribe(events)
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	defer sub.Unsubscribe()
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@@ -925,7 +926,7 @@ func TestTransactionPendingLimiting(t *testing.T) {
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	pool.currentState.AddBalance(account, big.NewInt(1000000))
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	// Keep track of transaction events to ensure all executables get announced
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	events := make(chan TxsPreEvent, testTxPoolConfig.AccountQueue+5)
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	events := make(chan NewTxsEvent, testTxPoolConfig.AccountQueue+5)
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	sub := pool.txFeed.Subscribe(events)
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	defer sub.Unsubscribe()
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@@ -1145,7 +1146,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
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	defer pool.Stop()
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	// Keep track of transaction events to ensure all executables get announced
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	events := make(chan TxsPreEvent, 32)
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	events := make(chan NewTxsEvent, 32)
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	sub := pool.txFeed.Subscribe(events)
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	defer sub.Unsubscribe()
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@@ -1332,7 +1333,7 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
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	defer pool.Stop()
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	// Keep track of transaction events to ensure all executables get announced
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	events := make(chan TxsPreEvent, 32)
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	events := make(chan NewTxsEvent, 32)
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	sub := pool.txFeed.Subscribe(events)
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	defer sub.Unsubscribe()
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@@ -1438,7 +1439,7 @@ func TestTransactionPoolStableUnderpricing(t *testing.T) {
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	defer pool.Stop()
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	// Keep track of transaction events to ensure all executables get announced
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	events := make(chan TxsPreEvent, 32)
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	events := make(chan NewTxsEvent, 32)
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	sub := pool.txFeed.Subscribe(events)
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	defer sub.Unsubscribe()
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@@ -1500,7 +1501,7 @@ func TestTransactionReplacement(t *testing.T) {
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	defer pool.Stop()
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	// Keep track of transaction events to ensure all executables get announced
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	events := make(chan TxsPreEvent, 32)
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	events := make(chan NewTxsEvent, 32)
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	sub := pool.txFeed.Subscribe(events)
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	defer sub.Unsubscribe()
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@@ -188,8 +188,8 @@ func (b *EthAPIBackend) TxPoolContent() (map[common.Address]types.Transactions,
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	return b.eth.TxPool().Content()
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}
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func (b *EthAPIBackend) SubscribeTxPreEvent(ch chan<- core.TxsPreEvent) event.Subscription {
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	return b.eth.TxPool().SubscribeTxPreEvent(ch)
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func (b *EthAPIBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
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	return b.eth.TxPool().SubscribeNewTxsEvent(ch)
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}
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func (b *EthAPIBackend) Downloader() *downloader.Downloader {
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@@ -105,7 +105,7 @@ func (api *PublicFilterAPI) timeoutLoop() {
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func (api *PublicFilterAPI) NewPendingTransactionFilter() rpc.ID {
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	var (
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		pendingTxs   = make(chan []common.Hash)
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		pendingTxSub = api.events.SubscribePendingTxEvents(pendingTxs)
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		pendingTxSub = api.events.SubscribePendingTxs(pendingTxs)
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	)
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	api.filtersMu.Lock()
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@@ -145,7 +145,7 @@ func (api *PublicFilterAPI) NewPendingTransactions(ctx context.Context) (*rpc.Su
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	go func() {
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		txHashes := make(chan []common.Hash, 128)
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		pendingTxSub := api.events.SubscribePendingTxEvents(txHashes)
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		pendingTxSub := api.events.SubscribePendingTxs(txHashes)
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		for {
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			select {
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@@ -36,7 +36,7 @@ type Backend interface {
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	GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
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	GetLogs(ctx context.Context, blockHash common.Hash) ([][]*types.Log, error)
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	SubscribeTxPreEvent(chan<- core.TxsPreEvent) event.Subscription
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	SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
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	SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
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	SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
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	SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
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@@ -59,7 +59,7 @@ const (
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const (
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	// txChanSize is the size of channel listening to TxsPreEvent.
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	// txChanSize is the size of channel listening to NewTxsEvent.
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	// The number is referenced from the size of tx pool.
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	txChanSize = 4096
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	// rmLogsChanSize is the size of channel listening to RemovedLogsEvent.
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@@ -104,7 +104,7 @@ type EventSystem struct {
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	// Channels
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	install   chan *subscription         // install filter for event notification
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	uninstall chan *subscription         // remove filter for event notification
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	txsCh     chan core.TxsPreEvent      // Channel to receive new transactions event
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	txsCh     chan core.NewTxsEvent      // Channel to receive new transactions event
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	logsCh    chan []*types.Log          // Channel to receive new log event
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	rmLogsCh  chan core.RemovedLogsEvent // Channel to receive removed log event
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	chainCh   chan core.ChainEvent       // Channel to receive new chain event
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@@ -123,14 +123,14 @@ func NewEventSystem(mux *event.TypeMux, backend Backend, lightMode bool) *EventS
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		lightMode: lightMode,
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		install:   make(chan *subscription),
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		uninstall: make(chan *subscription),
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		txsCh:     make(chan core.TxsPreEvent, txChanSize),
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		txsCh:     make(chan core.NewTxsEvent, txChanSize),
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		logsCh:    make(chan []*types.Log, logsChanSize),
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		rmLogsCh:  make(chan core.RemovedLogsEvent, rmLogsChanSize),
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		chainCh:   make(chan core.ChainEvent, chainEvChanSize),
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	}
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	// Subscribe events
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	m.txsSub = m.backend.SubscribeTxPreEvent(m.txsCh)
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	m.txsSub = m.backend.SubscribeNewTxsEvent(m.txsCh)
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	m.logsSub = m.backend.SubscribeLogsEvent(m.logsCh)
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	m.rmLogsSub = m.backend.SubscribeRemovedLogsEvent(m.rmLogsCh)
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	m.chainSub = m.backend.SubscribeChainEvent(m.chainCh)
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@@ -298,9 +298,9 @@ func (es *EventSystem) SubscribeNewHeads(headers chan *types.Header) *Subscripti
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	return es.subscribe(sub)
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}
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// SubscribePendingTxEvents creates a subscription that writes transaction hashes for
 | 
			
		||||
// SubscribePendingTxs creates a subscription that writes transaction hashes for
 | 
			
		||||
// transactions that enter the transaction pool.
 | 
			
		||||
func (es *EventSystem) SubscribePendingTxEvents(hashes chan []common.Hash) *Subscription {
 | 
			
		||||
func (es *EventSystem) SubscribePendingTxs(hashes chan []common.Hash) *Subscription {
 | 
			
		||||
	sub := &subscription{
 | 
			
		||||
		id:        rpc.NewID(),
 | 
			
		||||
		typ:       PendingTransactionsSubscription,
 | 
			
		||||
@@ -348,8 +348,8 @@ func (es *EventSystem) broadcast(filters filterIndex, ev interface{}) {
 | 
			
		||||
				}
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
	case core.TxsPreEvent:
 | 
			
		||||
		hashes := make([]common.Hash, 0, e.Txs.Len())
 | 
			
		||||
	case core.NewTxsEvent:
 | 
			
		||||
		hashes := make([]common.Hash, 0, len(e.Txs))
 | 
			
		||||
		for _, tx := range e.Txs {
 | 
			
		||||
			hashes = append(hashes, tx.Hash())
 | 
			
		||||
		}
 | 
			
		||||
 
 | 
			
		||||
@@ -96,7 +96,7 @@ func (b *testBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types
 | 
			
		||||
	return logs, nil
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func (b *testBackend) SubscribeTxPreEvent(ch chan<- core.TxsPreEvent) event.Subscription {
 | 
			
		||||
func (b *testBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
 | 
			
		||||
	return b.txFeed.Subscribe(ch)
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
@@ -232,7 +232,7 @@ func TestPendingTxFilter(t *testing.T) {
 | 
			
		||||
	fid0 := api.NewPendingTransactionFilter()
 | 
			
		||||
 | 
			
		||||
	time.Sleep(1 * time.Second)
 | 
			
		||||
	txFeed.Send(core.TxsPreEvent{transactions})
 | 
			
		||||
	txFeed.Send(core.NewTxsEvent{Txs: transactions})
 | 
			
		||||
 | 
			
		||||
	timeout := time.Now().Add(1 * time.Second)
 | 
			
		||||
	for {
 | 
			
		||||
 
 | 
			
		||||
@@ -46,7 +46,7 @@ const (
 | 
			
		||||
	softResponseLimit = 2 * 1024 * 1024 // Target maximum size of returned blocks, headers or node data.
 | 
			
		||||
	estHeaderRlpSize  = 500             // Approximate size of an RLP encoded block header
 | 
			
		||||
 | 
			
		||||
	// txChanSize is the size of channel listening to TxsPreEvent.
 | 
			
		||||
	// txChanSize is the size of channel listening to NewTxsEvent.
 | 
			
		||||
	// The number is referenced from the size of tx pool.
 | 
			
		||||
	txChanSize = 4096
 | 
			
		||||
)
 | 
			
		||||
@@ -81,7 +81,7 @@ type ProtocolManager struct {
 | 
			
		||||
	SubProtocols []p2p.Protocol
 | 
			
		||||
 | 
			
		||||
	eventMux      *event.TypeMux
 | 
			
		||||
	txsCh         chan core.TxsPreEvent
 | 
			
		||||
	txsCh         chan core.NewTxsEvent
 | 
			
		||||
	txsSub        event.Subscription
 | 
			
		||||
	minedBlockSub *event.TypeMuxSubscription
 | 
			
		||||
 | 
			
		||||
@@ -204,8 +204,8 @@ func (pm *ProtocolManager) Start(maxPeers int) {
 | 
			
		||||
	pm.maxPeers = maxPeers
 | 
			
		||||
 | 
			
		||||
	// broadcast transactions
 | 
			
		||||
	pm.txsCh = make(chan core.TxsPreEvent, txChanSize)
 | 
			
		||||
	pm.txsSub = pm.txpool.SubscribeTxPreEvent(pm.txsCh)
 | 
			
		||||
	pm.txsCh = make(chan core.NewTxsEvent, txChanSize)
 | 
			
		||||
	pm.txsSub = pm.txpool.SubscribeNewTxsEvent(pm.txsCh)
 | 
			
		||||
	go pm.txBroadcastLoop()
 | 
			
		||||
 | 
			
		||||
	// broadcast mined blocks
 | 
			
		||||
 
 | 
			
		||||
@@ -124,7 +124,7 @@ func (p *testTxPool) Pending() (map[common.Address]types.Transactions, error) {
 | 
			
		||||
	return batches, nil
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func (p *testTxPool) SubscribeTxPreEvent(ch chan<- core.TxsPreEvent) event.Subscription {
 | 
			
		||||
func (p *testTxPool) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
 | 
			
		||||
	return p.txFeed.Subscribe(ch)
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -103,9 +103,9 @@ type txPool interface {
 | 
			
		||||
	// The slice should be modifiable by the caller.
 | 
			
		||||
	Pending() (map[common.Address]types.Transactions, error)
 | 
			
		||||
 | 
			
		||||
	// SubscribeTxPreEvent should return an event subscription of
 | 
			
		||||
	// TxsPreEvent and send events to the given channel.
 | 
			
		||||
	SubscribeTxPreEvent(chan<- core.TxsPreEvent) event.Subscription
 | 
			
		||||
	// SubscribeNewTxsEvent should return an event subscription of
 | 
			
		||||
	// NewTxsEvent and send events to the given channel.
 | 
			
		||||
	SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// statusData is the network packet for the status message.
 | 
			
		||||
 
 | 
			
		||||
@@ -116,7 +116,7 @@ func testRecvTransactions(t *testing.T, protocol int) {
 | 
			
		||||
			t.Errorf("added wrong tx hash: got %v, want %v", added[0].Hash(), tx.Hash())
 | 
			
		||||
		}
 | 
			
		||||
	case <-time.After(2 * time.Second):
 | 
			
		||||
		t.Errorf("no TxsPreEvent received within 2 seconds")
 | 
			
		||||
		t.Errorf("no NewTxsEvent received within 2 seconds")
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -49,7 +49,7 @@ const (
 | 
			
		||||
	// history request.
 | 
			
		||||
	historyUpdateRange = 50
 | 
			
		||||
 | 
			
		||||
	// txChanSize is the size of channel listening to TxsPreEvent.
 | 
			
		||||
	// txChanSize is the size of channel listening to NewTxsEvent.
 | 
			
		||||
	// The number is referenced from the size of tx pool.
 | 
			
		||||
	txChanSize = 4096
 | 
			
		||||
	// chainHeadChanSize is the size of channel listening to ChainHeadEvent.
 | 
			
		||||
@@ -57,9 +57,9 @@ const (
 | 
			
		||||
)
 | 
			
		||||
 | 
			
		||||
type txPool interface {
 | 
			
		||||
	// SubscribeTxPreEvent should return an event subscription of
 | 
			
		||||
	// TxsPreEvent and send events to the given channel.
 | 
			
		||||
	SubscribeTxPreEvent(chan<- core.TxsPreEvent) event.Subscription
 | 
			
		||||
	// SubscribeNewTxsEvent should return an event subscription of
 | 
			
		||||
	// NewTxsEvent and send events to the given channel.
 | 
			
		||||
	SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
type blockChain interface {
 | 
			
		||||
@@ -150,8 +150,8 @@ func (s *Service) loop() {
 | 
			
		||||
	headSub := blockchain.SubscribeChainHeadEvent(chainHeadCh)
 | 
			
		||||
	defer headSub.Unsubscribe()
 | 
			
		||||
 | 
			
		||||
	txEventCh := make(chan core.TxsPreEvent, txChanSize)
 | 
			
		||||
	txSub := txpool.SubscribeTxPreEvent(txEventCh)
 | 
			
		||||
	txEventCh := make(chan core.NewTxsEvent, txChanSize)
 | 
			
		||||
	txSub := txpool.SubscribeNewTxsEvent(txEventCh)
 | 
			
		||||
	defer txSub.Unsubscribe()
 | 
			
		||||
 | 
			
		||||
	// Start a goroutine that exhausts the subsciptions to avoid events piling up
 | 
			
		||||
 
 | 
			
		||||
@@ -65,7 +65,7 @@ type Backend interface {
 | 
			
		||||
	GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)
 | 
			
		||||
	Stats() (pending int, queued int)
 | 
			
		||||
	TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions)
 | 
			
		||||
	SubscribeTxPreEvent(chan<- core.TxsPreEvent) event.Subscription
 | 
			
		||||
	SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
 | 
			
		||||
 | 
			
		||||
	ChainConfig() *params.ChainConfig
 | 
			
		||||
	CurrentBlock() *types.Block
 | 
			
		||||
 
 | 
			
		||||
@@ -136,8 +136,8 @@ func (b *LesApiBackend) TxPoolContent() (map[common.Address]types.Transactions,
 | 
			
		||||
	return b.eth.txPool.Content()
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func (b *LesApiBackend) SubscribeTxPreEvent(ch chan<- core.TxsPreEvent) event.Subscription {
 | 
			
		||||
	return b.eth.txPool.SubscribeTxPreEvent(ch)
 | 
			
		||||
func (b *LesApiBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
 | 
			
		||||
	return b.eth.txPool.SubscribeNewTxsEvent(ch)
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func (b *LesApiBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
 | 
			
		||||
 
 | 
			
		||||
@@ -321,9 +321,9 @@ func (pool *TxPool) Stop() {
 | 
			
		||||
	log.Info("Transaction pool stopped")
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// SubscribeTxPreEvent registers a subscription of core.TxsPreEvent and
 | 
			
		||||
// SubscribeNewTxsEvent registers a subscription of core.NewTxsEvent and
 | 
			
		||||
// starts sending event to the given channel.
 | 
			
		||||
func (pool *TxPool) SubscribeTxPreEvent(ch chan<- core.TxsPreEvent) event.Subscription {
 | 
			
		||||
func (pool *TxPool) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
 | 
			
		||||
	return pool.scope.Track(pool.txFeed.Subscribe(ch))
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
@@ -412,7 +412,7 @@ func (self *TxPool) add(ctx context.Context, tx *types.Transaction) error {
 | 
			
		||||
		// Notify the subscribers. This event is posted in a goroutine
 | 
			
		||||
		// because it's possible that somewhere during the post "Remove transaction"
 | 
			
		||||
		// gets called which will then wait for the global tx pool lock and deadlock.
 | 
			
		||||
		go self.txFeed.Send(core.TxsPreEvent{types.Transactions{tx}})
 | 
			
		||||
		go self.txFeed.Send(core.NewTxsEvent{Txs: types.Transactions{tx}})
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	// Print a log message if low enough level is set
 | 
			
		||||
 
 | 
			
		||||
@@ -42,7 +42,7 @@ const (
 | 
			
		||||
	resultQueueSize  = 10
 | 
			
		||||
	miningLogAtDepth = 5
 | 
			
		||||
 | 
			
		||||
	// txChanSize is the size of channel listening to TxsPreEvent.
 | 
			
		||||
	// txChanSize is the size of channel listening to NewTxsEvent.
 | 
			
		||||
	// The number is referenced from the size of tx pool.
 | 
			
		||||
	txChanSize = 4096
 | 
			
		||||
	// chainHeadChanSize is the size of channel listening to ChainHeadEvent.
 | 
			
		||||
@@ -71,7 +71,7 @@ type Work struct {
 | 
			
		||||
	family    *set.Set       // family set (used for checking uncle invalidity)
 | 
			
		||||
	uncles    *set.Set       // uncle set
 | 
			
		||||
	tcount    int            // tx count in cycle
 | 
			
		||||
	gasPool   *core.GasPool  // available gas used to pack transaction.
 | 
			
		||||
	gasPool   *core.GasPool  // available gas used to pack transactions
 | 
			
		||||
 | 
			
		||||
	Block *types.Block // the new block
 | 
			
		||||
 | 
			
		||||
@@ -96,7 +96,7 @@ type worker struct {
 | 
			
		||||
 | 
			
		||||
	// update loop
 | 
			
		||||
	mux          *event.TypeMux
 | 
			
		||||
	txsCh        chan core.TxsPreEvent
 | 
			
		||||
	txsCh        chan core.NewTxsEvent
 | 
			
		||||
	txsSub       event.Subscription
 | 
			
		||||
	chainHeadCh  chan core.ChainHeadEvent
 | 
			
		||||
	chainHeadSub event.Subscription
 | 
			
		||||
@@ -138,7 +138,7 @@ func newWorker(config *params.ChainConfig, engine consensus.Engine, coinbase com
 | 
			
		||||
		engine:         engine,
 | 
			
		||||
		eth:            eth,
 | 
			
		||||
		mux:            mux,
 | 
			
		||||
		txsCh:          make(chan core.TxsPreEvent, txChanSize),
 | 
			
		||||
		txsCh:          make(chan core.NewTxsEvent, txChanSize),
 | 
			
		||||
		chainHeadCh:    make(chan core.ChainHeadEvent, chainHeadChanSize),
 | 
			
		||||
		chainSideCh:    make(chan core.ChainSideEvent, chainSideChanSize),
 | 
			
		||||
		chainDb:        eth.ChainDb(),
 | 
			
		||||
@@ -150,8 +150,8 @@ func newWorker(config *params.ChainConfig, engine consensus.Engine, coinbase com
 | 
			
		||||
		agents:         make(map[Agent]struct{}),
 | 
			
		||||
		unconfirmed:    newUnconfirmedBlocks(eth.BlockChain(), miningLogAtDepth),
 | 
			
		||||
	}
 | 
			
		||||
	// Subscribe TxsPreEvent for tx pool
 | 
			
		||||
	worker.txsSub = eth.TxPool().SubscribeTxPreEvent(worker.txsCh)
 | 
			
		||||
	// Subscribe NewTxsEvent for tx pool
 | 
			
		||||
	worker.txsSub = eth.TxPool().SubscribeNewTxsEvent(worker.txsCh)
 | 
			
		||||
	// Subscribe events for blockchain
 | 
			
		||||
	worker.chainHeadSub = eth.BlockChain().SubscribeChainHeadEvent(worker.chainHeadCh)
 | 
			
		||||
	worker.chainSideSub = eth.BlockChain().SubscribeChainSideEvent(worker.chainSideCh)
 | 
			
		||||
@@ -259,7 +259,7 @@ func (self *worker) update() {
 | 
			
		||||
			self.possibleUncles[ev.Block.Hash()] = ev.Block
 | 
			
		||||
			self.uncleMu.Unlock()
 | 
			
		||||
 | 
			
		||||
		// Handle TxsPreEvent
 | 
			
		||||
		// Handle NewTxsEvent
 | 
			
		||||
		case ev := <-self.txsCh:
 | 
			
		||||
			// Apply transactions to the pending state if we're not mining.
 | 
			
		||||
			//
 | 
			
		||||
@@ -538,7 +538,7 @@ func (env *Work) commitTransactions(mux *event.TypeMux, txs *types.TransactionsB
 | 
			
		||||
	for {
 | 
			
		||||
		// If we don't have enough gas for any further transactions then we're done
 | 
			
		||||
		if env.gasPool.Gas() < params.TxGas {
 | 
			
		||||
			log.Trace("Not enough gas for further transactions", "gp", env.gasPool)
 | 
			
		||||
			log.Trace("Not enough gas for further transactions", "have", env.gasPool, "want", params.TxGas)
 | 
			
		||||
			break
 | 
			
		||||
		}
 | 
			
		||||
		// Retrieve the next transaction and abort if all done
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user