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

Migrate audits from v0 to v1

Browse Source
This commit is contained in:
Mononaut
2024-07-20 11:54:09 +00:00
parent 0723778e7c
commit 96e2e6060b
4 changed files with 113 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
backend/src/api/database-migration.ts
View File

@@ -695,7 +695,7 @@ class DatabaseMigration {
if (databaseSchemaVersion < 81) {
await this.$executeQuery('ALTER TABLE `blocks_audits` ADD version INT NOT NULL DEFAULT 0');
await this.$executeQuery('ALTER TABLE `blocks_audits` ADD INDEX `version` (`version`)');
await this.$executeQuery('ALTER TABLE `blocks_audits` ADD seen_txs JSON DEFAULT "[]"');
await this.$executeQuery('ALTER TABLE `blocks_audits` ADD unseen_txs JSON DEFAULT "[]"');
await this.updateToSchemaVersion(81);
}
}

2
backend/src/indexer.ts
View File

@@ -10,6 +10,7 @@ import config from './config';
import auditReplicator from './replication/AuditReplication';
import statisticsReplicator from './replication/StatisticsReplication';
import AccelerationRepository from './repositories/AccelerationRepository';
import BlocksAuditsRepository from './repositories/BlocksAuditsRepository';
export interface CoreIndex {
name: string;
@@ -192,6 +193,7 @@ class Indexer {
await auditReplicator.$sync();
await statisticsReplicator.$sync();
await AccelerationRepository.$indexPastAccelerations();
await BlocksAuditsRepository.$migrateAuditsV0toV1();
// do not wait for classify blocks to finish
blocks.$classifyBlocks();
} catch (e) {

2
backend/src/mempool.interfaces.ts
View File

@@ -29,9 +29,11 @@ export interface PoolStats extends PoolInfo {
}
export interface BlockAudit {
version: number,
time: number,
height: number,
hash: string,
unseenTxs: string[],
missingTxs: string[],
freshTxs: string[],
sigopTxs: string[],

126
backend/src/repositories/BlocksAuditsRepository.ts
View File

@@ -1,13 +1,24 @@
import blocks from '../api/blocks';
import DB from '../database';
import logger from '../logger';
import { BlockAudit, AuditScore, TransactionAudit } from '../mempool.interfaces';
import bitcoinApi from '../api/bitcoin/bitcoin-api-factory';
import { BlockAudit, AuditScore, TransactionAudit, TransactionStripped } from '../mempool.interfaces';
interface MigrationAudit {
version: number,
height: number,
id: string,
timestamp: number,
prioritizedTxs: string[],
acceleratedTxs: string[],
template: TransactionStripped[],
transactions: TransactionStripped[],
}
class BlocksAuditRepositories {
public async $saveAudit(audit: BlockAudit): Promise<void> {
try {
await DB.query(`INSERT INTO blocks_audits(time, height, hash, missing_txs, added_txs, prioritized_txs, fresh_txs, sigop_txs, fullrbf_txs, accelerated_txs, match_rate, expected_fees, expected_weight)
VALUE (FROM_UNIXTIME(?), ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`, [audit.time, audit.height, audit.hash, JSON.stringify(audit.missingTxs),
await DB.query(`INSERT INTO blocks_audits(version, time, height, hash, seen_txs, missing_txs, added_txs, prioritized_txs, fresh_txs, sigop_txs, fullrbf_txs, accelerated_txs, match_rate, expected_fees, expected_weight)
VALUE (?, FROM_UNIXTIME(?), ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`, [audit.version, audit.time, audit.height, audit.hash, JSON.stringify(audit.missingTxs),
JSON.stringify(audit.addedTxs), JSON.stringify(audit.prioritizedTxs), JSON.stringify(audit.freshTxs), JSON.stringify(audit.sigopTxs), JSON.stringify(audit.fullrbfTxs), JSON.stringify(audit.acceleratedTxs), audit.matchRate, audit.expectedFees, audit.expectedWeight]);
} catch (e: any) {
if (e.errno === 1062) { // ER_DUP_ENTRY - This scenario is possible upon node backend restart
@@ -62,24 +73,30 @@ class BlocksAuditRepositories {
public async $getBlockAudit(hash: string): Promise<BlockAudit | null> {
try {
const [rows]: any[] = await DB.query(
`SELECT blocks_audits.height, blocks_audits.hash as id, UNIX_TIMESTAMP(blocks_audits.time) as timestamp,
template,
missing_txs as missingTxs,
added_txs as addedTxs,
prioritized_txs as prioritizedTxs,
fresh_txs as freshTxs,
sigop_txs as sigopTxs,
fullrbf_txs as fullrbfTxs,
accelerated_txs as acceleratedTxs,
match_rate as matchRate,
expected_fees as expectedFees,
expected_weight as expectedWeight
`SELECT
blocks_audits.version,
blocks_audits.height,
blocks_audits.hash as id,
UNIX_TIMESTAMP(blocks_audits.time) as timestamp,
template,
unseen_txs as unseenTxs,
missing_txs as missingTxs,
added_txs as addedTxs,
prioritized_txs as prioritizedTxs,
fresh_txs as freshTxs,
sigop_txs as sigopTxs,
fullrbf_txs as fullrbfTxs,
accelerated_txs as acceleratedTxs,
match_rate as matchRate,
expected_fees as expectedFees,
expected_weight as expectedWeight
FROM blocks_audits
JOIN blocks_templates ON blocks_templates.id = blocks_audits.hash
WHERE blocks_audits.hash = ?
`, [hash]);
if (rows.length) {
rows[0].unseenTxs = JSON.parse(rows[0].unseenTxs);
rows[0].missingTxs = JSON.parse(rows[0].missingTxs);
rows[0].addedTxs = JSON.parse(rows[0].addedTxs);
rows[0].prioritizedTxs = JSON.parse(rows[0].prioritizedTxs);
@@ -101,7 +118,7 @@ class BlocksAuditRepositories {
public async $getBlockTxAudit(hash: string, txid: string): Promise<TransactionAudit | null> {
try {
const blockAudit = await this.$getBlockAudit(hash);
if (blockAudit) {
const isAdded = blockAudit.addedTxs.includes(txid);
const isPrioritized = blockAudit.prioritizedTxs.includes(txid);
@@ -124,7 +141,7 @@ class BlocksAuditRepositories {
conflict: isConflict,
accelerated: isAccelerated,
firstSeen,
}
};
}
return null;
} catch (e: any) {
@@ -186,6 +203,79 @@ class BlocksAuditRepositories {
throw e;
}
}
/**
* [INDEXING] Migrate audits from v0 to v1
*/
public async $migrateAuditsV0toV1(): Promise<void> {
try {
const [toMigrate]: MigrationAudit[][] = await DB.query(
`SELECT
blocks_audits.height as height,
blocks_audits.hash as id,
UNIX_TIMESTAMP(blocks_audits.time) as timestamp,
blocks_summaries.transactions as transactions,
blocks_templates.template as template,
blocks_audits.prioritized_txs as prioritizedTxs,
blocks_audits.accelerated_txs as acceleratedTxs
FROM blocks_audits
JOIN blocks_summaries ON blocks_summaries.id = blocks_audits.hash
JOIN blocks_templates ON blocks_templates.id = blocks_audits.hash
WHERE blocks_audits.version = 0
AND blocks_summaries.version = 2
ORDER BY blocks_audits.height DESC
`) as any[];
logger.info(`migrating ${toMigrate.length} audits to version 1`);
for (const audit of toMigrate) {
// unpack JSON-serialized transaction lists
audit.transactions = JSON.parse((audit.transactions as any as string) || '[]');
audit.template = JSON.parse((audit.transactions as any as string) || '[]');
// we know transactions in the template, or marked "prioritized" or "accelerated"
// were seen in our mempool before the block was mined.
const isSeen = new Set<string>();
for (const tx of audit.template) {
isSeen.add(tx.txid);
}
for (const txid of audit.prioritizedTxs) {
isSeen.add(txid);
}
for (const txid of audit.acceleratedTxs) {
isSeen.add(txid);
}
const unseenTxs = audit.transactions.slice(0).map(tx => tx.txid).filter(txid => !isSeen.has(txid));
// identify "prioritized" transactions
const prioritizedTxs: string[] = [];
let lastEffectiveRate = 0;
// Iterate over the mined template from bottom to top (excluding the coinbase)
// Transactions should appear in ascending order of mining priority.
for (let i = audit.transactions.length - 1; i > 0; i--) {
const blockTx = audit.transactions[i];
// If a tx has a lower in-band effective fee rate than the previous tx,
// it must have been prioritized out-of-band (in order to have a higher mining priority)
// so exclude from the analysis.
if ((blockTx.rate || 0) < lastEffectiveRate) {
prioritizedTxs.push(blockTx.txid);
} else {
lastEffectiveRate = blockTx.rate || 0;
}
}
// Update audit in the database
await DB.query(`
UPDATE blocks_audits SET
unseen_txs = ?,
prioritized_txs = ?
WHERE hash = ?
`, [JSON.stringify(unseenTxs), JSON.stringify(prioritizedTxs), audit.id]);
}
} catch (e: any) {
logger.err(`Error while migrating audits from v0 to v1. Will try again later. Reason: ` + (e instanceof Error ? e.message : e));
}
}
}
export default new BlocksAuditRepositories();