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core: respect price bump threshold (#15401)

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* core: allow price bump at threshold

* core: test changes to allow price bump at threshold

* core: reinstate tx replacement test underneath threshold

* core: minor test failure message cleanups
This commit is contained in:
Jim McDonald 2017-10-30 11:05:00 +00:00 committed by Péter Szilágyi
parent dd8a62683e
commit 0131bd6ff9
2 changed files with 14 additions and 11 deletions
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5
core/tx_list.go
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@ -254,7 +254,10 @@ func (l *txList) Add(tx *types.Transaction, priceBump uint64) (bool, *types.Tran
old := l.txs.Get(tx.Nonce())
if old != nil {
threshold := new(big.Int).Div(new(big.Int).Mul(old.GasPrice(), big.NewInt(100+int64(priceBump))), big.NewInt(100))
if threshold.Cmp(tx.GasPrice()) >= 0 {
// Have to ensure that the new gas price is higher than the old gas
// price as well as checking the percentage threshold to ensure that
// this is accurate for low (Wei-level) gas price replacements
if old.GasPrice().Cmp(tx.GasPrice()) >= 0 || threshold.Cmp(tx.GasPrice()) > 0 {
return false, nil
}
}

20
core/tx_pool_test.go
View File

@ -1411,10 +1411,10 @@ func TestTransactionReplacement(t *testing.T) {
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(price), key)); err != nil {
t.Fatalf("failed to add original proper pending transaction: %v", err)
}
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(threshold), key)); err != ErrReplaceUnderpriced {
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100001), big.NewInt(threshold-1), key)); err != ErrReplaceUnderpriced {
t.Fatalf("original proper pending transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
}
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(threshold+1), key)); err != nil {
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(threshold), key)); err != nil {
t.Fatalf("failed to replace original proper pending transaction: %v", err)
}
if err := validateEvents(events, 2); err != nil {
@ -1422,23 +1422,23 @@ func TestTransactionReplacement(t *testing.T) {
}
// Add queued transactions, ensuring the minimum price bump is enforced for replacement (for ultra low prices too)
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(1), key)); err != nil {
t.Fatalf("failed to add original queued transaction: %v", err)
t.Fatalf("failed to add original cheap queued transaction: %v", err)
}
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100001), big.NewInt(1), key)); err != ErrReplaceUnderpriced {
t.Fatalf("original queued transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
t.Fatalf("original cheap queued transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
}
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(2), key)); err != nil {
t.Fatalf("failed to replace original queued transaction: %v", err)
t.Fatalf("failed to replace original cheap queued transaction: %v", err)
}
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(price), key)); err != nil {
t.Fatalf("failed to add original queued transaction: %v", err)
t.Fatalf("failed to add original proper queued transaction: %v", err)
}
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100001), big.NewInt(threshold), key)); err != ErrReplaceUnderpriced {
t.Fatalf("original queued transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100001), big.NewInt(threshold-1), key)); err != ErrReplaceUnderpriced {
t.Fatalf("original proper queued transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
}
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(threshold+1), key)); err != nil {
t.Fatalf("failed to replace original queued transaction: %v", err)
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(threshold), key)); err != nil {
t.Fatalf("failed to replace original proper queued transaction: %v", err)
}
if err := validateEvents(events, 0); err != nil {