gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

core: fix queued transaction eviction

Browse Source 
Solves issue#20582. Non-executable transactions should not be evicted on each tick if there are no promote transactions or if a pending/reset empties the pending list. Tests and logging expanded to handle these cases in the future.

core/tx_pool: use a ts for each tx in the queue, but only update the heartbeat on promotion or pending replaced

queuedTs proper naming
This commit is contained in:
villanuevawill
2020-05-22 21:15:01 -04:00
committed by Péter Szilágyi
parent 6315b6fcc0
commit c374447401
2 changed files with 157 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

133
core/tx_pool_test.go
View File

@ -109,6 +109,10 @@ func validateTxPoolInternals(pool *TxPool) error {
if priced := pool.priced.items.Len() - pool.priced.stales; priced != pending+queued {
return fmt.Errorf("total priced transaction count %d != %d pending + %d queued", priced, pending, queued)
}
if queued != len(pool.queuedTs) {
return fmt.Errorf("total queued transaction count %d != %d queuedTs length", queued, len(pool.queuedTs))
}
// Ensure the next nonce to assign is the correct one
for addr, txs := range pool.pending {
// Find the last transaction
@ -868,7 +872,7 @@ func TestTransactionQueueTimeLimitingNoLocals(t *testing.T) {
func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
// Reduce the eviction interval to a testable amount
defer func(old time.Duration) { evictionInterval = old }(evictionInterval)
evictionInterval = time.Second
evictionInterval = time.Millisecond * 100
// Create the pool to test the non-expiration enforcement
statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
@ -905,6 +909,22 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
if err := validateTxPoolInternals(pool); err != nil {
t.Fatalf("pool internal state corrupted: %v", err)
}
// Allow the eviction interval to run
time.Sleep(2 * evictionInterval)
// Transactions should not be evicted from the queue yet since lifetime duration has not passed
pending, queued = pool.Stats()
if pending != 0 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
}
if queued != 2 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
}
if err := validateTxPoolInternals(pool); err != nil {
t.Fatalf("pool internal state corrupted: %v", err)
}
// Wait a bit for eviction to run and clean up any leftovers, and ensure only the local remains
time.Sleep(2 * config.Lifetime)
@ -924,6 +944,117 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
if err := validateTxPoolInternals(pool); err != nil {
t.Fatalf("pool internal state corrupted: %v", err)
}
// remove current transactions and increase nonce to prepare for a reset and cleanup
statedb.SetNonce(crypto.PubkeyToAddress(remote.PublicKey), 2)
statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 2)
<-pool.requestReset(nil, nil)
// make sure queue, pending are cleared
pending, queued = pool.Stats()
if pending != 0 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
}
if queued != 0 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
}
if err := validateTxPoolInternals(pool); err != nil {
t.Fatalf("pool internal state corrupted: %v", err)
}
if err := pool.AddLocal(pricedTransaction(2, 100000, big.NewInt(1), local)); err != nil {
t.Fatalf("failed to add remote transaction: %v", err)
}
if err := pool.AddLocal(pricedTransaction(4, 100000, big.NewInt(1), local)); err != nil {
t.Fatalf("failed to add remote transaction: %v", err)
}
if err := pool.addRemoteSync(pricedTransaction(2, 100000, big.NewInt(1), remote)); err != nil {
t.Fatalf("failed to add remote transaction: %v", err)
}
if err := pool.addRemoteSync(pricedTransaction(4, 100000, big.NewInt(1), remote)); err != nil {
t.Fatalf("failed to add remote transaction: %v", err)
}
// wait a short amount of time to add an additional future queued item to test proper eviction when
// pending is removed
time.Sleep(2 * evictionInterval)
if err := pool.addRemoteSync(pricedTransaction(5, 100000, big.NewInt(1), remote)); err != nil {
t.Fatalf("failed to add remote transaction: %v", err)
}
// Make sure future queue and pending have transactions
pending, queued = pool.Stats()
if pending != 2 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
}
if queued != 3 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 3)
}
if err := validateTxPoolInternals(pool); err != nil {
t.Fatalf("pool internal state corrupted: %v", err)
}
// Trigger a reset to make sure queued items are not evicted
statedb.SetNonce(crypto.PubkeyToAddress(remote.PublicKey), 3)
statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 3)
<-pool.requestReset(nil, nil)
// Wait for eviction to run
time.Sleep(evictionInterval * 2)
// a pool reset, empty pending list, or demotion of pending transactions should maintain
// queued transactions for non locals and locals alike if the lifetime duration has not passed yet
pending, queued = pool.Stats()
if pending != 0 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
}
if queued != 3 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
}
if err := validateTxPoolInternals(pool); err != nil {
t.Fatalf("pool internal state corrupted: %v", err)
}
// Wait for the lifetime to run for all transactions except the one that was added later
time.Sleep(evictionInterval * 7)
pending, queued = pool.Stats()
if pending != 0 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
}
if nolocals {
if queued != 1 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
}
} else {
if queued != 2 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
}
}
if err := validateTxPoolInternals(pool); err != nil {
t.Fatalf("pool internal state corrupted: %v", err)
}
// lifetime should pass for the final transaction
time.Sleep(evictionInterval * 2)
pending, queued = pool.Stats()
if pending != 0 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
}
if nolocals {
if queued != 0 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
}
} else {
if queued != 1 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
}
}
if err := validateTxPoolInternals(pool); err != nil {
t.Fatalf("pool internal state corrupted: %v", err)
}
}
// Tests that even if the transaction count belonging to a single account goes