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add mempool tx replace callback

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This commit is contained in:
Solovyov1796 2025-03-10 20:34:02 +08:00
parent c2fdb3109e
commit 384d899eff
2 changed files with 20 additions and 1 deletions
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17
app/priority_nonce.go
View File

@ -38,6 +38,8 @@ type PriorityNonceMempool struct {
maxTx int
counterBySender map[string]int
txRecord map[txMeta]struct{}
txReplacedCallback func(ctx context.Context, oldTx, newTx sdk.Tx)
}
type PriorityNonceIterator struct {
@ -124,6 +126,12 @@ func PriorityNonceWithMaxTx(maxTx int) PriorityNonceMempoolOption {
}
}
func PriorityNonceWithTxReplacedCallback(cb func(ctx context.Context, oldTx, newTx sdk.Tx)) PriorityNonceMempoolOption {
return func(mp *PriorityNonceMempool) {
mp.txReplacedCallback = cb
}
}
// DefaultPriorityMempool returns a priorityNonceMempool with no options.
func DefaultPriorityMempool() mempool.Mempool {
return NewPriorityMempool()
@ -184,6 +192,7 @@ func (mp *PriorityNonceMempool) Insert(ctx context.Context, tx sdk.Tx) error {
sdkContext := sdk.UnwrapSDKContext(ctx)
priority := sdkContext.Priority()
var replacedTx sdk.Tx
var sender string
var nonce uint64
@ -244,6 +253,7 @@ func (mp *PriorityNonceMempool) Insert(ctx context.Context, tx sdk.Tx) error {
//
// This O(log n) remove operation is rare and only happens when a tx's priority
// changes.
sk := txMeta{nonce: nonce, sender: sender}
if oldScore, txExists := mp.scores[sk]; txExists {
if mp.txReplacement != nil && !mp.txReplacement(oldScore.priority, priority, senderIndex.Get(key).Value.(sdk.Tx), tx) {
@ -256,12 +266,13 @@ func (mp *PriorityNonceMempool) Insert(ctx context.Context, tx sdk.Tx) error {
)
}
mp.priorityIndex.Remove(txMeta{
e := mp.priorityIndex.Remove(txMeta{
nonce: nonce,
sender: sender,
priority: oldScore.priority,
weight: oldScore.weight,
})
replacedTx = e.Value.(sdk.Tx)
mp.priorityCounts[oldScore.priority]--
}
@ -274,6 +285,10 @@ func (mp *PriorityNonceMempool) Insert(ctx context.Context, tx sdk.Tx) error {
mp.scores[sk] = txMeta{priority: priority}
mp.priorityIndex.Set(key, tx)
if mp.txReplacedCallback != nil && replacedTx != nil {
mp.txReplacedCallback(ctx, replacedTx, tx)
}
return nil
}

4
cmd/0gchaind/app.go
View File

@ -1,6 +1,7 @@
package main
import (
"context"
"errors"
"fmt"
"io"
@ -129,6 +130,9 @@ func (ac appCreator) newApp(
mempool := app.NewPriorityMempool(
app.PriorityNonceWithMaxTx(cast.ToInt(appOpts.Get(server.FlagMempoolMaxTxs))),
app.PriorityNonceWithTxReplacedCallback(func(ctx context.Context, oldTx, newTx sdk.Tx) {
bApp.RegisterMempoolTxReplacedEvent(ctx, oldTx, newTx)
}),
)
bApp.SetMempool(mempool)