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Catch RBF replacements across mempool update boundaries

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This commit is contained in:
Mononaut
2024-08-26 21:51:49 +00:00
parent 185eae00e9
commit e362003746
3 changed files with 36 additions and 30 deletions
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31
backend/src/api/mempool.ts
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@@ -19,12 +19,13 @@ class Mempool {
private mempoolCache: { [txId: string]: MempoolTransactionExtended } = {};
private mempoolCandidates: { [txid: string ]: boolean } = {};
private spendMap = new Map<string, MempoolTransactionExtended>();
private recentlyDeleted: MempoolTransactionExtended[][] = []; // buffer of transactions deleted in recent mempool updates
private mempoolInfo: IBitcoinApi.MempoolInfo = { loaded: false, size: 0, bytes: 0, usage: 0, total_fee: 0,
maxmempool: 300000000, mempoolminfee: Common.isLiquid() ? 0.00000100 : 0.00001000, minrelaytxfee: Common.isLiquid() ? 0.00000100 : 0.00001000 };
private mempoolChangedCallback: ((newMempool: {[txId: string]: MempoolTransactionExtended; }, newTransactions: MempoolTransactionExtended[],
deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[]) => void) | undefined;
deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[]) => void) | undefined;
private $asyncMempoolChangedCallback: ((newMempool: {[txId: string]: MempoolTransactionExtended; }, mempoolSize: number, newTransactions: MempoolTransactionExtended[],
deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[], candidates?: GbtCandidates) => Promise<void>) | undefined;
deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[], candidates?: GbtCandidates) => Promise<void>) | undefined;
private accelerations: { [txId: string]: Acceleration } = {};
private accelerationPositions: { [txid: string]: { poolId: number, pool: string, block: number, vsize: number }[] } = {};
@@ -74,12 +75,12 @@ class Mempool {
}
public setMempoolChangedCallback(fn: (newMempool: { [txId: string]: MempoolTransactionExtended; },
newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[]) => void): void {
newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[]) => void): void {
this.mempoolChangedCallback = fn;
}
public setAsyncMempoolChangedCallback(fn: (newMempool: { [txId: string]: MempoolTransactionExtended; }, mempoolSize: number,
newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[],
newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[],
candidates?: GbtCandidates) => Promise<void>): void {
this.$asyncMempoolChangedCallback = fn;
}
@@ -362,12 +363,15 @@ class Mempool {
const candidatesChanged = candidates?.added?.length || candidates?.removed?.length;
if (this.mempoolChangedCallback && (hasChange || deletedTransactions.length)) {
this.mempoolChangedCallback(this.mempoolCache, newTransactions, deletedTransactions, accelerationDelta);
this.recentlyDeleted.unshift(deletedTransactions);
this.recentlyDeleted.length = Math.min(this.recentlyDeleted.length, 10); // truncate to the last 10 mempool updates
if (this.mempoolChangedCallback && (hasChange || newTransactions.length || deletedTransactions.length)) {
this.mempoolChangedCallback(this.mempoolCache, newTransactions, this.recentlyDeleted, accelerationDelta);
}
if (this.$asyncMempoolChangedCallback && (hasChange || deletedTransactions.length || candidatesChanged)) {
if (this.$asyncMempoolChangedCallback && (hasChange || newTransactions.length || deletedTransactions.length || candidatesChanged)) {
this.updateTimerProgress(timer, 'running async mempool callback');
await this.$asyncMempoolChangedCallback(this.mempoolCache, newMempoolSize, newTransactions, deletedTransactions, accelerationDelta, candidates);
await this.$asyncMempoolChangedCallback(this.mempoolCache, newMempoolSize, newTransactions, this.recentlyDeleted, accelerationDelta, candidates);
this.updateTimerProgress(timer, 'completed async mempool callback');
}
@@ -541,16 +545,7 @@ class Mempool {
}
}
public handleRbfTransactions(rbfTransactions: { [txid: string]: MempoolTransactionExtended[]; }): void {
for (const rbfTransaction in rbfTransactions) {
if (this.mempoolCache[rbfTransaction] && rbfTransactions[rbfTransaction]?.length) {
// Store replaced transactions
rbfCache.add(rbfTransactions[rbfTransaction], this.mempoolCache[rbfTransaction]);
}
}
}
public handleMinedRbfTransactions(rbfTransactions: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }}): void {
public handleRbfTransactions(rbfTransactions: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }}): void {
for (const rbfTransaction in rbfTransactions) {
if (rbfTransactions[rbfTransaction].replacedBy && rbfTransactions[rbfTransaction]?.replaced?.length) {
// Store replaced transactions