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authorPéter Szilágyi <peterke@gmail.com>2018-05-20 00:39:28 +0800
committerGitHub <noreply@github.com>2018-05-20 00:39:28 +0800
commit953b5ac015da7fdef39c6864bb0cb490ffaa7959 (patch)
tree0a1b93effde4276c64a1c62ff97f25a5cd2deb7f
parentf9c456e02d6b8320389a7ea95c0eef3e10a87e2e (diff)
parent49719e21bcd740c5890334f8c0ec8ac3777fb4c6 (diff)
downloaddexon-953b5ac015da7fdef39c6864bb0cb490ffaa7959.tar.gz
dexon-953b5ac015da7fdef39c6864bb0cb490ffaa7959.tar.zst
dexon-953b5ac015da7fdef39c6864bb0cb490ffaa7959.zip
Merge pull request #16720 from rjl493456442/PreTxsEvent
all: collate new transaction events together
-rw-r--r--accounts/abi/bind/backends/simulated.go2
-rw-r--r--core/events.go7
-rw-r--r--core/tx_journal.go31
-rw-r--r--core/tx_pool.go30
-rw-r--r--core/tx_pool_test.go32
-rw-r--r--eth/api_backend.go4
-rw-r--r--eth/filters/api.go18
-rw-r--r--eth/filters/filter.go2
-rw-r--r--eth/filters/filter_system.go40
-rw-r--r--eth/filters/filter_system_test.go7
-rw-r--r--eth/handler.go41
-rw-r--r--eth/helper_test.go2
-rw-r--r--eth/protocol.go6
-rw-r--r--eth/protocol_test.go2
-rw-r--r--ethstats/ethstats.go12
-rw-r--r--internal/ethapi/backend.go2
-rw-r--r--les/api_backend.go4
-rw-r--r--light/txpool.go6
-rw-r--r--miner/worker.go45
19 files changed, 172 insertions, 121 deletions
diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go
index 7b605e1c1..fd69538d5 100644
--- a/accounts/abi/bind/backends/simulated.go
+++ b/accounts/abi/bind/backends/simulated.go
@@ -454,7 +454,7 @@ func (fb *filterBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*ty
return logs, nil
}
-func (fb *filterBackend) SubscribeTxPreEvent(ch chan<- core.TxPreEvent) event.Subscription {
+func (fb *filterBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
return event.NewSubscription(func(quit <-chan struct{}) error {
<-quit
return nil
diff --git a/core/events.go b/core/events.go
index 6f404f612..8d200f2a2 100644
--- a/core/events.go
+++ b/core/events.go
@@ -21,8 +21,8 @@ import (
"github.com/ethereum/go-ethereum/core/types"
)
-// TxPreEvent is posted when a transaction enters the transaction pool.
-type TxPreEvent struct{ Tx *types.Transaction }
+// NewTxsEvent is posted when a batch of transactions enter the transaction pool.
+type NewTxsEvent struct{ Txs []*types.Transaction }
// PendingLogsEvent is posted pre mining and notifies of pending logs.
type PendingLogsEvent struct {
@@ -35,9 +35,6 @@ type PendingStateEvent struct{}
// NewMinedBlockEvent is posted when a block has been imported.
type NewMinedBlockEvent struct{ Block *types.Block }
-// RemovedTransactionEvent is posted when a reorg happens
-type RemovedTransactionEvent struct{ Txs types.Transactions }
-
// RemovedLogsEvent is posted when a reorg happens
type RemovedLogsEvent struct{ Logs []*types.Log }
diff --git a/core/tx_journal.go b/core/tx_journal.go
index e872d7b53..1397e9fd3 100644
--- a/core/tx_journal.go
+++ b/core/tx_journal.go
@@ -56,7 +56,7 @@ func newTxJournal(path string) *txJournal {
// load parses a transaction journal dump from disk, loading its contents into
// the specified pool.
-func (journal *txJournal) load(add func(*types.Transaction) error) error {
+func (journal *txJournal) load(add func([]*types.Transaction) []error) error {
// Skip the parsing if the journal file doens't exist at all
if _, err := os.Stat(journal.path); os.IsNotExist(err) {
return nil
@@ -76,7 +76,21 @@ func (journal *txJournal) load(add func(*types.Transaction) error) error {
stream := rlp.NewStream(input, 0)
total, dropped := 0, 0
- var failure error
+ // Create a method to load a limited batch of transactions and bump the
+ // appropriate progress counters. Then use this method to load all the
+ // journalled transactions in small-ish batches.
+ loadBatch := func(txs types.Transactions) {
+ for _, err := range add(txs) {
+ if err != nil {
+ log.Debug("Failed to add journaled transaction", "err", err)
+ dropped++
+ }
+ }
+ }
+ var (
+ failure error
+ batch types.Transactions
+ )
for {
// Parse the next transaction and terminate on error
tx := new(types.Transaction)
@@ -84,14 +98,17 @@ func (journal *txJournal) load(add func(*types.Transaction) error) error {
if err != io.EOF {
failure = err
}
+ if batch.Len() > 0 {
+ loadBatch(batch)
+ }
break
}
- // Import the transaction and bump the appropriate progress counters
+ // New transaction parsed, queue up for later, import if threnshold is reached
total++
- if err = add(tx); err != nil {
- log.Debug("Failed to add journaled transaction", "err", err)
- dropped++
- continue
+
+ if batch = append(batch, tx); batch.Len() > 1024 {
+ loadBatch(batch)
+ batch = batch[:0]
}
}
log.Info("Loaded local transaction journal", "transactions", total, "dropped", dropped)
diff --git a/core/tx_pool.go b/core/tx_pool.go
index 388b40058..f89e11441 100644
--- a/core/tx_pool.go
+++ b/core/tx_pool.go
@@ -238,7 +238,7 @@ func NewTxPool(config TxPoolConfig, chainconfig *params.ChainConfig, chain block
if !config.NoLocals && config.Journal != "" {
pool.journal = newTxJournal(config.Journal)
- if err := pool.journal.load(pool.AddLocal); err != nil {
+ if err := pool.journal.load(pool.AddLocals); err != nil {
log.Warn("Failed to load transaction journal", "err", err)
}
if err := pool.journal.rotate(pool.local()); err != nil {
@@ -444,9 +444,9 @@ func (pool *TxPool) Stop() {
log.Info("Transaction pool stopped")
}
-// SubscribeTxPreEvent registers a subscription of TxPreEvent and
+// SubscribeNewTxsEvent registers a subscription of NewTxsEvent and
// starts sending event to the given channel.
-func (pool *TxPool) SubscribeTxPreEvent(ch chan<- TxPreEvent) event.Subscription {
+func (pool *TxPool) SubscribeNewTxsEvent(ch chan<- NewTxsEvent) event.Subscription {
return pool.scope.Track(pool.txFeed.Subscribe(ch))
}
@@ -653,7 +653,7 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (bool, error) {
log.Trace("Pooled new executable transaction", "hash", hash, "from", from, "to", tx.To())
// We've directly injected a replacement transaction, notify subsystems
- go pool.txFeed.Send(TxPreEvent{tx})
+ go pool.txFeed.Send(NewTxsEvent{types.Transactions{tx}})
return old != nil, nil
}
@@ -712,10 +712,11 @@ func (pool *TxPool) journalTx(from common.Address, tx *types.Transaction) {
}
}
-// promoteTx adds a transaction to the pending (processable) list of transactions.
+// promoteTx adds a transaction to the pending (processable) list of transactions
+// and returns whether it was inserted or an older was better.
//
// Note, this method assumes the pool lock is held!
-func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.Transaction) {
+func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.Transaction) bool {
// Try to insert the transaction into the pending queue
if pool.pending[addr] == nil {
pool.pending[addr] = newTxList(true)
@@ -729,7 +730,7 @@ func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.T
pool.priced.Removed()
pendingDiscardCounter.Inc(1)
- return
+ return false
}
// Otherwise discard any previous transaction and mark this
if old != nil {
@@ -747,7 +748,7 @@ func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.T
pool.beats[addr] = time.Now()
pool.pendingState.SetNonce(addr, tx.Nonce()+1)
- go pool.txFeed.Send(TxPreEvent{tx})
+ return true
}
// AddLocal enqueues a single transaction into the pool if it is valid, marking
@@ -907,6 +908,9 @@ func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
// future queue to the set of pending transactions. During this process, all
// invalidated transactions (low nonce, low balance) are deleted.
func (pool *TxPool) promoteExecutables(accounts []common.Address) {
+ // Track the promoted transactions to broadcast them at once
+ var promoted []*types.Transaction
+
// Gather all the accounts potentially needing updates
if accounts == nil {
accounts = make([]common.Address, 0, len(pool.queue))
@@ -939,8 +943,10 @@ func (pool *TxPool) promoteExecutables(accounts []common.Address) {
// Gather all executable transactions and promote them
for _, tx := range list.Ready(pool.pendingState.GetNonce(addr)) {
hash := tx.Hash()
- log.Trace("Promoting queued transaction", "hash", hash)
- pool.promoteTx(addr, hash, tx)
+ if pool.promoteTx(addr, hash, tx) {
+ log.Trace("Promoting queued transaction", "hash", hash)
+ promoted = append(promoted, tx)
+ }
}
// Drop all transactions over the allowed limit
if !pool.locals.contains(addr) {
@@ -957,6 +963,10 @@ func (pool *TxPool) promoteExecutables(accounts []common.Address) {
delete(pool.queue, addr)
}
}
+ // Notify subsystem for new promoted transactions.
+ if len(promoted) > 0 {
+ pool.txFeed.Send(NewTxsEvent{promoted})
+ }
// If the pending limit is overflown, start equalizing allowances
pending := uint64(0)
for _, list := range pool.pending {
diff --git a/core/tx_pool_test.go b/core/tx_pool_test.go
index e7f52075e..25993c258 100644
--- a/core/tx_pool_test.go
+++ b/core/tx_pool_test.go
@@ -118,21 +118,27 @@ func validateTxPoolInternals(pool *TxPool) error {
// validateEvents checks that the correct number of transaction addition events
// were fired on the pool's event feed.
-func validateEvents(events chan TxPreEvent, count int) error {
- for i := 0; i < count; i++ {
+func validateEvents(events chan NewTxsEvent, count int) error {
+ var received []*types.Transaction
+
+ for len(received) < count {
select {
- case <-events:
+ case ev := <-events:
+ received = append(received, ev.Txs...)
case <-time.After(time.Second):
- return fmt.Errorf("event #%d not fired", i)
+ return fmt.Errorf("event #%d not fired", received)
}
}
+ if len(received) > count {
+ return fmt.Errorf("more than %d events fired: %v", count, received[count:])
+ }
select {
- case tx := <-events:
- return fmt.Errorf("more than %d events fired: %v", count, tx.Tx)
+ case ev := <-events:
+ return fmt.Errorf("more than %d events fired: %v", count, ev.Txs)
case <-time.After(50 * time.Millisecond):
// This branch should be "default", but it's a data race between goroutines,
- // reading the event channel and pushng into it, so better wait a bit ensuring
+ // reading the event channel and pushing into it, so better wait a bit ensuring
// really nothing gets injected.
}
return nil
@@ -669,7 +675,7 @@ func TestTransactionGapFilling(t *testing.T) {
pool.currentState.AddBalance(account, big.NewInt(1000000))
// Keep track of transaction events to ensure all executables get announced
- events := make(chan TxPreEvent, testTxPoolConfig.AccountQueue+5)
+ events := make(chan NewTxsEvent, testTxPoolConfig.AccountQueue+5)
sub := pool.txFeed.Subscribe(events)
defer sub.Unsubscribe()
@@ -920,7 +926,7 @@ func TestTransactionPendingLimiting(t *testing.T) {
pool.currentState.AddBalance(account, big.NewInt(1000000))
// Keep track of transaction events to ensure all executables get announced
- events := make(chan TxPreEvent, testTxPoolConfig.AccountQueue+5)
+ events := make(chan NewTxsEvent, testTxPoolConfig.AccountQueue+5)
sub := pool.txFeed.Subscribe(events)
defer sub.Unsubscribe()
@@ -1140,7 +1146,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
defer pool.Stop()
// Keep track of transaction events to ensure all executables get announced
- events := make(chan TxPreEvent, 32)
+ events := make(chan NewTxsEvent, 32)
sub := pool.txFeed.Subscribe(events)
defer sub.Unsubscribe()
@@ -1327,7 +1333,7 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
defer pool.Stop()
// Keep track of transaction events to ensure all executables get announced
- events := make(chan TxPreEvent, 32)
+ events := make(chan NewTxsEvent, 32)
sub := pool.txFeed.Subscribe(events)
defer sub.Unsubscribe()
@@ -1433,7 +1439,7 @@ func TestTransactionPoolStableUnderpricing(t *testing.T) {
defer pool.Stop()
// Keep track of transaction events to ensure all executables get announced
- events := make(chan TxPreEvent, 32)
+ events := make(chan NewTxsEvent, 32)
sub := pool.txFeed.Subscribe(events)
defer sub.Unsubscribe()
@@ -1495,7 +1501,7 @@ func TestTransactionReplacement(t *testing.T) {
defer pool.Stop()
// Keep track of transaction events to ensure all executables get announced
- events := make(chan TxPreEvent, 32)
+ events := make(chan NewTxsEvent, 32)
sub := pool.txFeed.Subscribe(events)
defer sub.Unsubscribe()
diff --git a/eth/api_backend.go b/eth/api_backend.go
index 4ace9b594..91a7dc7e0 100644
--- a/eth/api_backend.go
+++ b/eth/api_backend.go
@@ -188,8 +188,8 @@ func (b *EthAPIBackend) TxPoolContent() (map[common.Address]types.Transactions,
return b.eth.TxPool().Content()
}
-func (b *EthAPIBackend) SubscribeTxPreEvent(ch chan<- core.TxPreEvent) event.Subscription {
- return b.eth.TxPool().SubscribeTxPreEvent(ch)
+func (b *EthAPIBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
+ return b.eth.TxPool().SubscribeNewTxsEvent(ch)
}
func (b *EthAPIBackend) Downloader() *downloader.Downloader {
diff --git a/eth/filters/api.go b/eth/filters/api.go
index 1297b7478..592ad3b82 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -104,8 +104,8 @@ func (api *PublicFilterAPI) timeoutLoop() {
// https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_newpendingtransactionfilter
func (api *PublicFilterAPI) NewPendingTransactionFilter() rpc.ID {
var (
- pendingTxs = make(chan common.Hash)
- pendingTxSub = api.events.SubscribePendingTxEvents(pendingTxs)
+ pendingTxs = make(chan []common.Hash)
+ pendingTxSub = api.events.SubscribePendingTxs(pendingTxs)
)
api.filtersMu.Lock()
@@ -118,7 +118,7 @@ func (api *PublicFilterAPI) NewPendingTransactionFilter() rpc.ID {
case ph := <-pendingTxs:
api.filtersMu.Lock()
if f, found := api.filters[pendingTxSub.ID]; found {
- f.hashes = append(f.hashes, ph)
+ f.hashes = append(f.hashes, ph...)
}
api.filtersMu.Unlock()
case <-pendingTxSub.Err():
@@ -144,13 +144,17 @@ func (api *PublicFilterAPI) NewPendingTransactions(ctx context.Context) (*rpc.Su
rpcSub := notifier.CreateSubscription()
go func() {
- txHashes := make(chan common.Hash)
- pendingTxSub := api.events.SubscribePendingTxEvents(txHashes)
+ txHashes := make(chan []common.Hash, 128)
+ pendingTxSub := api.events.SubscribePendingTxs(txHashes)
for {
select {
- case h := <-txHashes:
- notifier.Notify(rpcSub.ID, h)
+ case hashes := <-txHashes:
+ // 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 {
+ notifier.Notify(rpcSub.ID, h)
+ }
case <-rpcSub.Err():
pendingTxSub.Unsubscribe()
return
diff --git a/eth/filters/filter.go b/eth/filters/filter.go
index 5dfe60e77..67b4612ae 100644
--- a/eth/filters/filter.go
+++ b/eth/filters/filter.go
@@ -36,7 +36,7 @@ type Backend interface {
GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
GetLogs(ctx context.Context, blockHash common.Hash) ([][]*types.Log, error)
- SubscribeTxPreEvent(chan<- core.TxPreEvent) event.Subscription
+ SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
diff --git a/eth/filters/filter_system.go b/eth/filters/filter_system.go
index bb11734a7..4e999cda8 100644
--- a/eth/filters/filter_system.go
+++ b/eth/filters/filter_system.go
@@ -59,7 +59,7 @@ const (
const (
- // txChanSize is the size of channel listening to TxPreEvent.
+ // txChanSize is the size of channel listening to NewTxsEvent.
// The number is referenced from the size of tx pool.
txChanSize = 4096
// rmLogsChanSize is the size of channel listening to RemovedLogsEvent.
@@ -80,7 +80,7 @@ type subscription struct {
created time.Time
logsCrit ethereum.FilterQuery
logs chan []*types.Log
- hashes chan common.Hash
+ hashes chan []common.Hash
headers chan *types.Header
installed chan struct{} // closed when the filter is installed
err chan error // closed when the filter is uninstalled
@@ -95,7 +95,7 @@ type EventSystem struct {
lastHead *types.Header
// Subscriptions
- txSub event.Subscription // Subscription for new transaction event
+ txsSub event.Subscription // Subscription for new transaction event
logsSub event.Subscription // Subscription for new log event
rmLogsSub event.Subscription // Subscription for removed log event
chainSub event.Subscription // Subscription for new chain event
@@ -104,7 +104,7 @@ type EventSystem struct {
// Channels
install chan *subscription // install filter for event notification
uninstall chan *subscription // remove filter for event notification
- txCh chan core.TxPreEvent // Channel to receive new transaction event
+ txsCh chan core.NewTxsEvent // Channel to receive new transactions event
logsCh chan []*types.Log // Channel to receive new log event
rmLogsCh chan core.RemovedLogsEvent // Channel to receive removed log event
chainCh chan core.ChainEvent // Channel to receive new chain event
@@ -123,14 +123,14 @@ func NewEventSystem(mux *event.TypeMux, backend Backend, lightMode bool) *EventS
lightMode: lightMode,
install: make(chan *subscription),
uninstall: make(chan *subscription),
- txCh: make(chan core.TxPreEvent, txChanSize),
+ txsCh: make(chan core.NewTxsEvent, txChanSize),
logsCh: make(chan []*types.Log, logsChanSize),
rmLogsCh: make(chan core.RemovedLogsEvent, rmLogsChanSize),
chainCh: make(chan core.ChainEvent, chainEvChanSize),
}
// Subscribe events
- m.txSub = m.backend.SubscribeTxPreEvent(m.txCh)
+ m.txsSub = m.backend.SubscribeNewTxsEvent(m.txsCh)
m.logsSub = m.backend.SubscribeLogsEvent(m.logsCh)
m.rmLogsSub = m.backend.SubscribeRemovedLogsEvent(m.rmLogsCh)
m.chainSub = m.backend.SubscribeChainEvent(m.chainCh)
@@ -138,7 +138,7 @@ func NewEventSystem(mux *event.TypeMux, backend Backend, lightMode bool) *EventS
m.pendingLogSub = m.mux.Subscribe(core.PendingLogsEvent{})
// Make sure none of the subscriptions are empty
- if m.txSub == nil || m.logsSub == nil || m.rmLogsSub == nil || m.chainSub == nil ||
+ if m.txsSub == nil || m.logsSub == nil || m.rmLogsSub == nil || m.chainSub == nil ||
m.pendingLogSub.Closed() {
log.Crit("Subscribe for event system failed")
}
@@ -240,7 +240,7 @@ func (es *EventSystem) subscribeMinedPendingLogs(crit ethereum.FilterQuery, logs
logsCrit: crit,
created: time.Now(),
logs: logs,
- hashes: make(chan common.Hash),
+ hashes: make(chan []common.Hash),
headers: make(chan *types.Header),
installed: make(chan struct{}),
err: make(chan error),
@@ -257,7 +257,7 @@ func (es *EventSystem) subscribeLogs(crit ethereum.FilterQuery, logs chan []*typ
logsCrit: crit,
created: time.Now(),
logs: logs,
- hashes: make(chan common.Hash),
+ hashes: make(chan []common.Hash),
headers: make(chan *types.Header),
installed: make(chan struct{}),
err: make(chan error),
@@ -274,7 +274,7 @@ func (es *EventSystem) subscribePendingLogs(crit ethereum.FilterQuery, logs chan
logsCrit: crit,
created: time.Now(),
logs: logs,
- hashes: make(chan common.Hash),
+ hashes: make(chan []common.Hash),
headers: make(chan *types.Header),
installed: make(chan struct{}),
err: make(chan error),
@@ -290,7 +290,7 @@ func (es *EventSystem) SubscribeNewHeads(headers chan *types.Header) *Subscripti
typ: BlocksSubscription,
created: time.Now(),
logs: make(chan []*types.Log),
- hashes: make(chan common.Hash),
+ hashes: make(chan []common.Hash),
headers: headers,
installed: make(chan struct{}),
err: make(chan error),
@@ -298,9 +298,9 @@ func (es *EventSystem) SubscribeNewHeads(headers chan *types.Header) *Subscripti
return es.subscribe(sub)
}
-// 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,
@@ -348,9 +348,13 @@ func (es *EventSystem) broadcast(filters filterIndex, ev interface{}) {
}
}
}
- case core.TxPreEvent:
+ case core.NewTxsEvent:
+ hashes := make([]common.Hash, 0, len(e.Txs))
+ for _, tx := range e.Txs {
+ hashes = append(hashes, tx.Hash())
+ }
for _, f := range filters[PendingTransactionsSubscription] {
- f.hashes <- e.Tx.Hash()
+ f.hashes <- hashes
}
case core.ChainEvent:
for _, f := range filters[BlocksSubscription] {
@@ -446,7 +450,7 @@ func (es *EventSystem) eventLoop() {
// Ensure all subscriptions get cleaned up
defer func() {
es.pendingLogSub.Unsubscribe()
- es.txSub.Unsubscribe()
+ es.txsSub.Unsubscribe()
es.logsSub.Unsubscribe()
es.rmLogsSub.Unsubscribe()
es.chainSub.Unsubscribe()
@@ -460,7 +464,7 @@ func (es *EventSystem) eventLoop() {
for {
select {
// Handle subscribed events
- case ev := <-es.txCh:
+ case ev := <-es.txsCh:
es.broadcast(index, ev)
case ev := <-es.logsCh:
es.broadcast(index, ev)
@@ -495,7 +499,7 @@ func (es *EventSystem) eventLoop() {
close(f.err)
// System stopped
- case <-es.txSub.Err():
+ case <-es.txsSub.Err():
return
case <-es.logsSub.Err():
return
diff --git a/eth/filters/filter_system_test.go b/eth/filters/filter_system_test.go
index b4df24b47..ff1af85a8 100644
--- a/eth/filters/filter_system_test.go
+++ b/eth/filters/filter_system_test.go
@@ -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.TxPreEvent) event.Subscription {
+func (b *testBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
return b.txFeed.Subscribe(ch)
}
@@ -232,10 +232,7 @@ func TestPendingTxFilter(t *testing.T) {
fid0 := api.NewPendingTransactionFilter()
time.Sleep(1 * time.Second)
- for _, tx := range transactions {
- ev := core.TxPreEvent{Tx: tx}
- txFeed.Send(ev)
- }
+ txFeed.Send(core.NewTxsEvent{Txs: transactions})
timeout := time.Now().Add(1 * time.Second)
for {
diff --git a/eth/handler.go b/eth/handler.go
index c8f7e13f1..8993afe15 100644
--- a/eth/handler.go
+++ b/eth/handler.go
@@ -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 TxPreEvent.
+ // txChanSize is the size of channel listening to NewTxsEvent.
// The number is referenced from the size of tx pool.
txChanSize = 4096
)
@@ -81,8 +81,8 @@ type ProtocolManager struct {
SubProtocols []p2p.Protocol
eventMux *event.TypeMux
- txCh chan core.TxPreEvent
- txSub event.Subscription
+ txsCh chan core.NewTxsEvent
+ txsSub event.Subscription
minedBlockSub *event.TypeMuxSubscription
// channels for fetcher, syncer, txsyncLoop
@@ -204,8 +204,8 @@ func (pm *ProtocolManager) Start(maxPeers int) {
pm.maxPeers = maxPeers
// broadcast transactions
- pm.txCh = make(chan core.TxPreEvent, txChanSize)
- pm.txSub = pm.txpool.SubscribeTxPreEvent(pm.txCh)
+ pm.txsCh = make(chan core.NewTxsEvent, txChanSize)
+ pm.txsSub = pm.txpool.SubscribeNewTxsEvent(pm.txsCh)
go pm.txBroadcastLoop()
// broadcast mined blocks
@@ -220,7 +220,7 @@ func (pm *ProtocolManager) Start(maxPeers int) {
func (pm *ProtocolManager) Stop() {
log.Info("Stopping Ethereum protocol")
- pm.txSub.Unsubscribe() // quits txBroadcastLoop
+ pm.txsSub.Unsubscribe() // quits txBroadcastLoop
pm.minedBlockSub.Unsubscribe() // quits blockBroadcastLoop
// Quit the sync loop.
@@ -712,16 +712,23 @@ func (pm *ProtocolManager) BroadcastBlock(block *types.Block, propagate bool) {
}
}
-// BroadcastTx will propagate a transaction to all peers which are not known to
+// BroadcastTxs will propagate a batch of transactions to all peers which are not known to
// already have the given transaction.
-func (pm *ProtocolManager) BroadcastTx(hash common.Hash, tx *types.Transaction) {
- // Broadcast transaction to a batch of peers not knowing about it
- peers := pm.peers.PeersWithoutTx(hash)
- //FIXME include this again: peers = peers[:int(math.Sqrt(float64(len(peers))))]
- for _, peer := range peers {
- peer.SendTransactions(types.Transactions{tx})
+func (pm *ProtocolManager) BroadcastTxs(txs types.Transactions) {
+ var txset = make(map[*peer]types.Transactions)
+
+ // Broadcast transactions to a batch of peers not knowing about it
+ for _, tx := range txs {
+ peers := pm.peers.PeersWithoutTx(tx.Hash())
+ for _, peer := range peers {
+ txset[peer] = append(txset[peer], tx)
+ }
+ log.Trace("Broadcast transaction", "hash", tx.Hash(), "recipients", len(peers))
+ }
+ // FIXME include this again: peers = peers[:int(math.Sqrt(float64(len(peers))))]
+ for peer, txs := range txset {
+ peer.SendTransactions(txs)
}
- log.Trace("Broadcast transaction", "hash", hash, "recipients", len(peers))
}
// Mined broadcast loop
@@ -739,11 +746,11 @@ func (pm *ProtocolManager) minedBroadcastLoop() {
func (pm *ProtocolManager) txBroadcastLoop() {
for {
select {
- case event := <-pm.txCh:
- pm.BroadcastTx(event.Tx.Hash(), event.Tx)
+ case event := <-pm.txsCh:
+ pm.BroadcastTxs(event.Txs)
// Err() channel will be closed when unsubscribing.
- case <-pm.txSub.Err():
+ case <-pm.txsSub.Err():
return
}
}
diff --git a/eth/helper_test.go b/eth/helper_test.go
index 8a0260fc9..3d2ab0aba 100644
--- a/eth/helper_test.go
+++ b/eth/helper_test.go
@@ -124,7 +124,7 @@ func (p *testTxPool) Pending() (map[common.Address]types.Transactions, error) {
return batches, nil
}
-func (p *testTxPool) SubscribeTxPreEvent(ch chan<- core.TxPreEvent) event.Subscription {
+func (p *testTxPool) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
return p.txFeed.Subscribe(ch)
}
diff --git a/eth/protocol.go b/eth/protocol.go
index 328d5b993..0e90e6a2e 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -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
- // TxPreEvent and send events to the given channel.
- SubscribeTxPreEvent(chan<- core.TxPreEvent) 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.
diff --git a/eth/protocol_test.go b/eth/protocol_test.go
index b2f93d8dd..aa43dfa92 100644
--- a/eth/protocol_test.go
+++ b/eth/protocol_test.go
@@ -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 TxPreEvent received within 2 seconds")
+ t.Errorf("no NewTxsEvent received within 2 seconds")
}
}
diff --git a/ethstats/ethstats.go b/ethstats/ethstats.go
index a15d84615..c11601435 100644
--- a/ethstats/ethstats.go
+++ b/ethstats/ethstats.go
@@ -49,7 +49,7 @@ const (
// history request.
historyUpdateRange = 50
- // txChanSize is the size of channel listening to TxPreEvent.
+ // 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
- // TxPreEvent and send events to the given channel.
- SubscribeTxPreEvent(chan<- core.TxPreEvent) 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.TxPreEvent, 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
diff --git a/internal/ethapi/backend.go b/internal/ethapi/backend.go
index af95d7906..c9ffe230c 100644
--- a/internal/ethapi/backend.go
+++ b/internal/ethapi/backend.go
@@ -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.TxPreEvent) event.Subscription
+ SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
ChainConfig() *params.ChainConfig
CurrentBlock() *types.Block
diff --git a/les/api_backend.go b/les/api_backend.go
index 1d3c99513..dea33c470 100644
--- a/les/api_backend.go
+++ b/les/api_backend.go
@@ -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.TxPreEvent) 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 {
diff --git a/light/txpool.go b/light/txpool.go
index 94c8139cb..1fabc3dc5 100644
--- a/light/txpool.go
+++ b/light/txpool.go
@@ -321,9 +321,9 @@ func (pool *TxPool) Stop() {
log.Info("Transaction pool stopped")
}
-// SubscribeTxPreEvent registers a subscription of core.TxPreEvent and
+// SubscribeNewTxsEvent registers a subscription of core.NewTxsEvent and
// starts sending event to the given channel.
-func (pool *TxPool) SubscribeTxPreEvent(ch chan<- core.TxPreEvent) 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.TxPreEvent{Tx: tx})
+ go self.txFeed.Send(core.NewTxsEvent{Txs: types.Transactions{tx}})
}
// Print a log message if low enough level is set
diff --git a/miner/worker.go b/miner/worker.go
index 48b0b2765..640e9032e 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -42,7 +42,7 @@ const (
resultQueueSize = 10
miningLogAtDepth = 5
- // txChanSize is the size of channel listening to TxPreEvent.
+ // 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.
@@ -71,6 +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 transactions
Block *types.Block // the new block
@@ -95,8 +96,8 @@ type worker struct {
// update loop
mux *event.TypeMux
- txCh chan core.TxPreEvent
- txSub event.Subscription
+ txsCh chan core.NewTxsEvent
+ txsSub event.Subscription
chainHeadCh chan core.ChainHeadEvent
chainHeadSub event.Subscription
chainSideCh chan core.ChainSideEvent
@@ -137,7 +138,7 @@ func newWorker(config *params.ChainConfig, engine consensus.Engine, coinbase com
engine: engine,
eth: eth,
mux: mux,
- txCh: make(chan core.TxPreEvent, txChanSize),
+ txsCh: make(chan core.NewTxsEvent, txChanSize),
chainHeadCh: make(chan core.ChainHeadEvent, chainHeadChanSize),
chainSideCh: make(chan core.ChainSideEvent, chainSideChanSize),
chainDb: eth.ChainDb(),
@@ -149,8 +150,8 @@ func newWorker(config *params.ChainConfig, engine consensus.Engine, coinbase com
agents: make(map[Agent]struct{}),
unconfirmed: newUnconfirmedBlocks(eth.BlockChain(), miningLogAtDepth),
}
- // Subscribe TxPreEvent for tx pool
- worker.txSub = eth.TxPool().SubscribeTxPreEvent(worker.txCh)
+ // 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)
@@ -241,7 +242,7 @@ func (self *worker) unregister(agent Agent) {
}
func (self *worker) update() {
- defer self.txSub.Unsubscribe()
+ defer self.txsSub.Unsubscribe()
defer self.chainHeadSub.Unsubscribe()
defer self.chainSideSub.Unsubscribe()
@@ -258,15 +259,21 @@ func (self *worker) update() {
self.possibleUncles[ev.Block.Hash()] = ev.Block
self.uncleMu.Unlock()
- // Handle TxPreEvent
- case ev := <-self.txCh:
- // Apply transaction to the pending state if we're not mining
+ // Handle NewTxsEvent
+ case ev := <-self.txsCh:
+ // Apply transactions to the pending state if we're not mining.
+ //
+ // Note all transactions received may not be continuous with transactions
+ // already included in the current mining block. These transactions will
+ // be automatically eliminated.
if atomic.LoadInt32(&self.mining) == 0 {
self.currentMu.Lock()
- acc, _ := types.Sender(self.current.signer, ev.Tx)
- txs := map[common.Address]types.Transactions{acc: {ev.Tx}}
+ txs := make(map[common.Address]types.Transactions)
+ for _, tx := range ev.Txs {
+ acc, _ := types.Sender(self.current.signer, tx)
+ txs[acc] = append(txs[acc], tx)
+ }
txset := types.NewTransactionsByPriceAndNonce(self.current.signer, txs)
-
self.current.commitTransactions(self.mux, txset, self.chain, self.coinbase)
self.updateSnapshot()
self.currentMu.Unlock()
@@ -278,7 +285,7 @@ func (self *worker) update() {
}
// System stopped
- case <-self.txSub.Err():
+ case <-self.txsSub.Err():
return
case <-self.chainHeadSub.Err():
return
@@ -522,14 +529,16 @@ func (self *worker) updateSnapshot() {
}
func (env *Work) commitTransactions(mux *event.TypeMux, txs *types.TransactionsByPriceAndNonce, bc *core.BlockChain, coinbase common.Address) {
- gp := new(core.GasPool).AddGas(env.header.GasLimit)
+ if env.gasPool == nil {
+ env.gasPool = new(core.GasPool).AddGas(env.header.GasLimit)
+ }
var coalescedLogs []*types.Log
for {
// If we don't have enough gas for any further transactions then we're done
- if gp.Gas() < params.TxGas {
- log.Trace("Not enough gas for further transactions", "gp", gp)
+ if env.gasPool.Gas() < params.TxGas {
+ log.Trace("Not enough gas for further transactions", "have", env.gasPool, "want", params.TxGas)
break
}
// Retrieve the next transaction and abort if all done
@@ -553,7 +562,7 @@ func (env *Work) commitTransactions(mux *event.TypeMux, txs *types.TransactionsB
// Start executing the transaction
env.state.Prepare(tx.Hash(), common.Hash{}, env.tcount)
- err, logs := env.commitTransaction(tx, bc, coinbase, gp)
+ err, logs := env.commitTransaction(tx, bc, coinbase, env.gasPool)
switch err {
case core.ErrGasLimitReached:
// Pop the current out-of-gas transaction without shifting in the next from the account