machankura/mempool
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

optimize cpfp indexing

Browse Source
This commit is contained in:
Mononaut 2022-11-28 17:56:50 +09:00
parent ab5308e1c8
commit f2ad184d1f
No known key found for this signature in database
GPG Key ID: A3F058E41374C04E
1 changed files with 39 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
backend/src/api/blocks.ts
View File

@ -27,6 +27,7 @@ import mining from './mining/mining';
import DifficultyAdjustmentsRepository from '../repositories/DifficultyAdjustmentsRepository';
import PricesRepository from '../repositories/PricesRepository';
import priceUpdater from '../tasks/price-updater';
import { Block } from 'bitcoinjs-lib';
class Blocks {
private blocks: BlockExtended[] = [];
@ -342,7 +343,7 @@ class Blocks {
for (const block of unindexedBlocks) {
// Logging
const elapsedSeconds = Math.max(1, Math.round((new Date().getTime() / 1000) - timer));
const elapsedSeconds = Math.max(1, new Date().getTime() / 1000 - timer);
if (elapsedSeconds > 5) {
const runningFor = Math.max(1, Math.round((new Date().getTime() / 1000) - startedAt));
const blockPerSeconds = Math.max(1, countThisRun / elapsedSeconds);
@ -352,10 +353,11 @@ class Blocks {
countThisRun = 0;
}
await this.$indexCPFP(block.hash); // Calculate and save CPFP data for transactions in this block
await this.$indexCPFP(block.hash, block.height); // Calculate and save CPFP data for transactions in this block
// Logging
count++;
countThisRun++;
}
if (count > 0) {
logger.notice(`CPFP indexing completed: indexed ${count} blocks`);
@ -411,7 +413,7 @@ class Blocks {
}
++indexedThisRun;
++totalIndexed;
const elapsedSeconds = Math.max(1, Math.round((new Date().getTime() / 1000) - timer));
const elapsedSeconds = Math.max(1, new Date().getTime() / 1000 - timer);
if (elapsedSeconds > 5 || blockHeight === lastBlockToIndex) {
const runningFor = Math.max(1, Math.round((new Date().getTime() / 1000) - startedAt));
const blockPerSeconds = Math.max(1, indexedThisRun / elapsedSeconds);
@ -518,7 +520,7 @@ class Blocks {
const newBlock = await this.$indexBlock(lastBlock['height'] - i);
await this.$getStrippedBlockTransactions(newBlock.id, true, true);
if (config.MEMPOOL.TRANSACTION_INDEXING) {
await this.$indexCPFP(newBlock.id);
await this.$indexCPFP(newBlock.id, lastBlock['height'] - i);
}
}
await mining.$indexDifficultyAdjustments();
@ -546,7 +548,7 @@ class Blocks {
await this.$getStrippedBlockTransactions(blockExtended.id, true);
}
if (config.MEMPOOL.TRANSACTION_INDEXING) {
this.$indexCPFP(blockExtended.id);
this.$indexCPFP(blockExtended.id, this.currentBlockHeight);
}
}
}
@ -738,23 +740,47 @@ class Blocks {
return this.currentBlockHeight;
}
public async $indexCPFP(hash: string): Promise<void> {
public async $indexCPFP(hash: string, height: number): Promise<void> {
let transactions;
if (Common.blocksSummariesIndexingEnabled()) {
transactions = await this.$getStrippedBlockTransactions(hash);
const rawBlock = await bitcoinClient.getBlock(hash, 0);
const block = Block.fromHex(rawBlock);
const txMap = {};
for (const tx of block.transactions || []) {
txMap[tx.getId()] = tx;
}
for (const tx of transactions) {
if (txMap[tx.txid]?.ins) {
tx.vin = txMap[tx.txid].ins.map(vin => {
return {
txid: vin.hash
};
});
}
}
} else {
const block = await bitcoinClient.getBlock(hash, 2);
const transactions = block.tx;
let cluster: IBitcoinApi.VerboseTransaction[] = [];
transactions = block.tx.map(tx => {
tx.vsize = tx.weight / 4;
return tx;
});
}
let cluster: TransactionStripped[] = [];
let ancestors: { [txid: string]: boolean } = {};
for (let i = transactions.length - 1; i >= 0; i--) {
const tx = transactions[i];
if (!ancestors[tx.txid]) {
let totalFee = 0;
let totalWeight = 0;
let totalVSize = 0;
cluster.forEach(tx => {
totalFee += tx?.fee || 0;
totalWeight += tx.weight;
totalVSize += tx.vsize;
});
const effectiveFeePerVsize = (totalFee * 100_000_000) / (totalWeight / 4);
const effectiveFeePerVsize = (totalFee * 100_000_000) / totalVSize;
if (cluster.length > 1) {
await cpfpRepository.$saveCluster(block.height, cluster.map(tx => { return { txid: tx.txid, weight: tx.weight, fee: (tx.fee || 0) * 100_000_000 }; }), effectiveFeePerVsize);
await cpfpRepository.$saveCluster(height, cluster.map(tx => { return { txid: tx.txid, weight: tx.vsize * 4, fee: (tx.fee || 0) * 100_000_000 }; }), effectiveFeePerVsize);
for (const tx of cluster) {
await transactionRepository.$setCluster(tx.txid, cluster[0].txid);
}