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core: Ensure that local transactions aren't discarded as underpriced #16576

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merged 1 commit into from
May 2, 2018
Merged

core: Ensure that local transactions aren't discarded as underpriced #16576

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2 changes: 1 addition & 1 deletion core/tx_pool.go
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Original file line number Diff line number Diff line change
Expand Up @@ -618,7 +618,7 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (bool, error) {
// If the transaction pool is full, discard underpriced transactions
if uint64(len(pool.all)) >= pool.config.GlobalSlots+pool.config.GlobalQueue {
// If the new transaction is underpriced, don't accept it
if pool.priced.Underpriced(tx, pool.locals) {
if !local && pool.priced.Underpriced(tx, pool.locals) {
log.Trace("Discarding underpriced transaction", "hash", hash, "price", tx.GasPrice())
underpricedTxCounter.Inc(1)
return false, ErrUnderpriced
Expand Down
22 changes: 13 additions & 9 deletions core/tx_pool_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1346,7 +1346,7 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
defer sub.Unsubscribe()

// Create a number of test accounts and fund them
keys := make([]*ecdsa.PrivateKey, 3)
keys := make([]*ecdsa.PrivateKey, 4)
for i := 0; i < len(keys); i++ {
keys[i], _ = crypto.GenerateKey()
pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
Expand Down Expand Up @@ -1406,18 +1406,22 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
t.Fatalf("pool internal state corrupted: %v", err)
}
// Ensure that adding local transactions can push out even higher priced ones
tx := pricedTransaction(1, 100000, big.NewInt(0), keys[2])
if err := pool.AddLocal(tx); err != nil {
t.Fatalf("failed to add underpriced local transaction: %v", err)
ltx = pricedTransaction(1, 100000, big.NewInt(0), keys[2])
if err := pool.AddLocal(ltx); err != nil {
t.Fatalf("failed to append underpriced local transaction: %v", err)
}
ltx = pricedTransaction(0, 100000, big.NewInt(0), keys[3])
if err := pool.AddLocal(ltx); err != nil {
t.Fatalf("failed to add new underpriced local transaction: %v", err)
}
pending, queued = pool.Stats()
if pending != 2 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
if pending != 3 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
}
if queued != 2 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
if queued != 1 {
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
}
if err := validateEvents(events, 1); err != nil {
if err := validateEvents(events, 2); err != nil {
t.Fatalf("local event firing failed: %v", err)
}
if err := validateTxPoolInternals(pool); err != nil {
Expand Down