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Limit GBT: fix on-demand CPFP calculation

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Mononaut 2024-01-08 00:56:48 +00:00
parent 07c76d084e
commit 8f2e1de578
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GPG Key ID: A3F058E41374C04E
3 changed files with 13 additions and 13 deletions
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9
backend/src/api/cpfp.ts
View File

@ -1,4 +1,5 @@
import { CpfpInfo, MempoolTransactionExtended } from '../mempool.interfaces';
import memPool from './mempool';
const CPFP_UPDATE_INTERVAL = 60_000; // update CPFP info at most once per 60s per transaction
const MAX_GRAPH_SIZE = 50; // the maximum number of in-mempool relatives to consider
@ -77,8 +78,8 @@ export function calculateCpfp(tx: MempoolTransactionExtended, mempool: { [txid:
function mempoolToGraphTx(tx: MempoolTransactionExtended): GraphTx {
return {
...tx,
depends: [],
spentby: [],
depends: tx.vin.map(v => v.txid),
spentby: tx.vout.map((v, i) => memPool.getFromSpendMap(tx.txid, i)).map(tx => tx?.txid).filter(txid => txid != null) as string[],
ancestorMap: new Map(),
fees: {
base: tx.fee,
@ -176,7 +177,7 @@ function calculateCpfpCluster(txid: string, graph: Map<string, GraphTx>): Map<st
let bestCluster = new Map<string, GraphTx>(best?.ancestorMap?.entries() || []);
while (sortedRelatives.length && best && (best.txid !== tx.txid && !best.ancestorMap.has(tx.txid)) && maxIterations > 0) {
maxIterations--;
if (bestCluster && bestCluster.has(tx.txid)) {
if ((best && best.txid === tx.txid) || (bestCluster && bestCluster.has(tx.txid))) {
break;
} else {
// Remove this cluster (it doesn't include our target tx)
@ -195,6 +196,8 @@ function calculateCpfpCluster(txid: string, graph: Map<string, GraphTx>): Map<st
}
}
bestCluster.set(tx.txid, tx);
return bestCluster;
}

10
backend/src/api/mempool-blocks.ts
View File

@ -420,16 +420,6 @@ class MempoolBlocks {
block: blockIndex,
vsize: totalVsize + (mempoolTx.vsize / 2),
};
if (!mempoolTx.cpfpChecked) {
if (mempoolTx.ancestors?.length) {
mempoolTx.ancestors = [];
}
if (mempoolTx.descendants?.length) {
mempoolTx.descendants = [];
}
mempoolTx.bestDescendant = null;
mempoolTx.cpfpChecked = true;
}
const acceleration = accelerations[txid];
if (isAccelerated[txid] || (acceleration && (!accelerationPool || acceleration.pools.includes(accelerationPool)))) {

7
backend/src/api/mempool.ts
View File

@ -91,6 +91,10 @@ class Mempool {
return this.spendMap;
}
public getFromSpendMap(txid, index): MempoolTransactionExtended | void {
return this.spendMap.get(`${txid}:${index}`);
}
public async $setMempool(mempoolData: { [txId: string]: MempoolTransactionExtended }) {
this.mempoolCache = mempoolData;
let count = 0;
@ -113,6 +117,9 @@ class Mempool {
await redisCache.$addTransaction(this.mempoolCache[txid]);
}
this.mempoolCache[txid].flags = Common.getTransactionFlags(this.mempoolCache[txid]);
this.mempoolCache[txid].cpfpChecked = false;
this.mempoolCache[txid].cpfpDirty = true;
this.mempoolCache[txid].cpfpUpdated = undefined;
}
if (config.MEMPOOL.CACHE_ENABLED && config.REDIS.ENABLED) {
await redisCache.$flushTransactions();