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core/txpool/blobpool: return ErrAlreadyKnown for duplicate txs #29210

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merged 1 commit into from
Mar 11, 2024
Merged

core/txpool/blobpool: return ErrAlreadyKnown for duplicate txs #29210

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6 changes: 5 additions & 1 deletion core/txpool/blobpool/blobpool.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1131,8 +1131,12 @@ func (p *BlobPool) validateTx(tx *types.Transaction) error {
next = p.state.GetNonce(from)
)
if uint64(len(p.index[from])) > tx.Nonce()-next {
// Account can support the replacement, but the price bump must also be met
prev := p.index[from][int(tx.Nonce()-next)]
// Ensure the transaction is different than the one tracked locally
if prev.hash == tx.Hash() {
return txpool.ErrAlreadyKnown
}
// Account can support the replacement, but the price bump must also be met
switch {
case tx.GasFeeCapIntCmp(prev.execFeeCap.ToBig()) <= 0:
return fmt.Errorf("%w: new tx gas fee cap %v <= %v queued", txpool.ErrReplaceUnderpriced, tx.GasFeeCap(), prev.execFeeCap)
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11 changes: 8 additions & 3 deletions core/txpool/blobpool/blobpool_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -984,9 +984,14 @@ func TestAdd(t *testing.T) {
},
},
adds: []addtx{
{ // New account, 1 tx pending: reject replacement nonce 0 (ignore price for now)
{ // New account, 1 tx pending: reject duplicate nonce 0
from: "alice",
tx: makeUnsignedTx(0, 1, 1, 1),
err: txpool.ErrAlreadyKnown,
},
{ // New account, 1 tx pending: reject replacement nonce 0 (ignore price for now)
from: "alice",
tx: makeUnsignedTx(0, 1, 1, 2),
err: txpool.ErrReplaceUnderpriced,
},
{ // New account, 1 tx pending: accept nonce 1
Expand All @@ -1009,10 +1014,10 @@ func TestAdd(t *testing.T) {
tx: makeUnsignedTx(3, 1, 1, 1),
err: nil,
},
{ // Old account, 1 tx in chain, 1 tx pending: reject replacement nonce 1 (ignore price for now)
{ // Old account, 1 tx in chain, 1 tx pending: reject duplicate nonce 1
from: "bob",
tx: makeUnsignedTx(1, 1, 1, 1),
err: txpool.ErrReplaceUnderpriced,
err: txpool.ErrAlreadyKnown,
},
{ // Old account, 1 tx in chain, 1 tx pending: accept nonce 2 (ignore price for now)
from: "bob",
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