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core/txpool/legacypool: data race in checkDelegationLimit #31475

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Merged
merged 3 commits into from
Mar 28, 2025
Merged

core/txpool/legacypool: data race in checkDelegationLimit #31475

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3a22406
fix data race in checkDelegationLimit
rekyyang Mar 24, 2025
3a3a1f9
fmt & fix comments
rekyyang Mar 24, 2025
cc43618
fmt import
rekyyang Mar 24, 2025
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9 changes: 8 additions & 1 deletion core/txpool/legacypool/legacypool.go
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Original file line number Diff line number Diff line change
Expand Up @@ -618,7 +618,7 @@ func (pool *LegacyPool) checkDelegationLimit(tx *types.Transaction) error {
from, _ := types.Sender(pool.signer, tx) // validated

// Short circuit if the sender has neither delegation nor pending delegation.
if pool.currentState.GetCodeHash(from) == types.EmptyCodeHash && len(pool.all.auths[from]) == 0 {
if pool.currentState.GetCodeHash(from) == types.EmptyCodeHash && pool.all.delegationTxsCount(from) == 0 {
return nil
}
pending := pool.pending[from]
Expand Down Expand Up @@ -1849,6 +1849,13 @@ func (t *lookup) removeAuthorities(tx *types.Transaction) {
}
}

// delegationTxsCount returns the number of pending authorizations for the specified address.
func (t *lookup) delegationTxsCount(addr common.Address) int {
t.lock.RLock()
defer t.lock.RUnlock()
return len(t.auths[addr])
}

// numSlots calculates the number of slots needed for a single transaction.
func numSlots(tx *types.Transaction) int {
return int((tx.Size() + txSlotSize - 1) / txSlotSize)
Expand Down