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add mempool limit

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This commit is contained in:
Solovyov1796 2025-03-04 15:13:54 +08:00
parent 351c2cb132
commit ea3e4b84e8
1 changed files with 33 additions and 11 deletions
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44
app/priority_nonce.go
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@ -14,6 +14,8 @@ import (
evmtypes "github.com/evmos/ethermint/x/evm/types"
)
const MAX_TXS_PRE_SENDER_IN_MEMPOOL int = 10
var (
_ mempool.Mempool = (*PriorityNonceMempool)(nil)
_ mempool.Iterator = (*PriorityNonceIterator)(nil)
@ -27,13 +29,14 @@ var (
// priority to other sender txs and must be partially ordered by both sender-nonce
// and priority.
type PriorityNonceMempool struct {
priorityIndex *skiplist.SkipList
priorityCounts map[int64]int
senderIndices map[string]*skiplist.SkipList
scores map[txMeta]txMeta
onRead func(tx sdk.Tx)
txReplacement func(op, np int64, oTx, nTx sdk.Tx) bool
maxTx int
priorityIndex *skiplist.SkipList
priorityCounts map[int64]int
senderIndices map[string]*skiplist.SkipList
scores map[txMeta]txMeta
onRead func(tx sdk.Tx)
txReplacement func(op, np int64, oTx, nTx sdk.Tx) bool
maxTx int
counterBySender map[string]int
}
type PriorityNonceIterator struct {
@ -129,10 +132,11 @@ func DefaultPriorityMempool() mempool.Mempool {
// returns txs in a partial order by 2 dimensions; priority, and sender-nonce.
func NewPriorityMempool(opts ...PriorityNonceMempoolOption) *PriorityNonceMempool {
mp := &PriorityNonceMempool{
priorityIndex: skiplist.New(skiplist.LessThanFunc(txMetaLess)),
priorityCounts: make(map[int64]int),
senderIndices: make(map[string]*skiplist.SkipList),
scores: make(map[txMeta]txMeta),
priorityIndex: skiplist.New(skiplist.LessThanFunc(txMetaLess)),
priorityCounts: make(map[int64]int),
senderIndices: make(map[string]*skiplist.SkipList),
scores: make(map[txMeta]txMeta),
counterBySender: make(map[string]int),
}
for _, opt := range opts {
@ -204,6 +208,16 @@ func (mp *PriorityNonceMempool) Insert(ctx context.Context, tx sdk.Tx) error {
nonce = sig.Sequence
}
if _, exists := mp.counterBySender[sender]; !exists {
mp.counterBySender[sender] = 1
} else {
if mp.counterBySender[sender] < MAX_TXS_PRE_SENDER_IN_MEMPOOL {
mp.counterBySender[sender] += 1
} else {
return fmt.Errorf("tx sender has too many txs in mempool")
}
}
key := txMeta{nonce: nonce, priority: priority, sender: sender}
senderIndex, ok := mp.senderIndices[sender]
@ -453,6 +467,14 @@ func (mp *PriorityNonceMempool) Remove(tx sdk.Tx) error {
delete(mp.scores, scoreKey)
mp.priorityCounts[score.priority]--
if _, exists := mp.counterBySender[sender]; exists {
if mp.counterBySender[sender] > 1 {
mp.counterBySender[sender] -= 1
} else {
delete(mp.counterBySender, sender)
}
}
return nil
}