mirrors/mempool
1
0
Fork 0
mirror of https://github.com/mempool/mempool.git synced 2025-01-19 05:34:03 +01:00
Code Issues Projects Releases Wiki Activity

When a re-org happens, keep the block templates for audit

Browse Source
This commit is contained in:
nymkappa 2023-03-19 10:46:38 +09:00
parent 5977251a20
commit 9e4fe40ca3
No known key found for this signature in database
GPG Key ID: E155910B16E8BD04
4 changed files with 16 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
backend/src/api/blocks.ts
View File

@ -589,11 +589,11 @@ class Blocks {
if (!fastForwarded) {
const lastBlock = await blocksRepository.$getBlockByHeight(blockExtended.height - 1);
if (lastBlock !== null && blockExtended.previousblockhash !== lastBlock.id) {
logger.warn(`Chain divergence detected at block ${lastBlock.height}, re-indexing most recent data`);
logger.warn(`Chain divergence detected at block ${lastBlock.height}, re-indexing most recent data`, logger.tags.mining);
// We assume there won't be a reorg with more than 10 block depth
await BlocksRepository.$deleteBlocksFrom(lastBlock.height - 10);
await HashratesRepository.$deleteLastEntries();
await BlocksSummariesRepository.$deleteBlocksFrom(lastBlock.height - 10);
await BlocksSummariesRepository.$deleteTransactionsFrom(lastBlock.height - 10); // Will be re-index in formatDbBlockIntoExtendedBlock()
await cpfpRepository.$deleteClustersFrom(lastBlock.height - 10);
for (let i = 10; i >= 0; --i) {
const newBlock = await this.$indexBlock(lastBlock.height - i);
@ -604,7 +604,7 @@ class Blocks {
}
await mining.$indexDifficultyAdjustments();
await DifficultyAdjustmentsRepository.$deleteLastAdjustment();
logger.info(`Re-indexed 10 blocks and summaries. Also re-indexed the last difficulty adjustments. Will re-index latest hashrates in a few seconds.`);
logger.info(`Re-indexed 10 blocks and summaries. Also re-indexed the last difficulty adjustments. Will re-index latest hashrates in a few seconds.`, logger.tags.mining);
indexer.reindex();
}
await blocksRepository.$saveBlockInDatabase(blockExtended);

29
backend/src/repositories/BlocksRepository.ts
View File

@ -466,30 +466,6 @@ class BlocksRepository {
}
}
/**
* Get one block by hash
*/
public async $getBlockByHash(hash: string): Promise<object | null> {
try {
const query = `
SELECT ${BLOCK_DB_FIELDS}
FROM blocks
JOIN pools ON blocks.pool_id = pools.id
WHERE hash = ?;
`;
const [rows]: any[] = await DB.query(query, [hash]);
if (rows.length <= 0) {
return null;
}
return await this.formatDbBlockIntoExtendedBlock(rows[0]);
} catch (e) {
logger.err(`Cannot get indexed block ${hash}. Reason: ` + (e instanceof Error ? e.message : e));
throw e;
}
}
/**
* Return blocks difficulty
*/
@ -599,7 +575,7 @@ class BlocksRepository {
if (blocks[idx].previous_block_hash !== blocks[idx - 1].hash) {
logger.warn(`Chain divergence detected at block ${blocks[idx - 1].height}`);
await this.$deleteBlocksFrom(blocks[idx - 1].height);
await BlocksSummariesRepository.$deleteBlocksFrom(blocks[idx - 1].height);
await BlocksSummariesRepository.$deleteTransactionsFrom(blocks[idx - 1].height);
await HashratesRepository.$deleteHashratesFromTimestamp(blocks[idx - 1].timestamp - 604800);
await DifficultyAdjustmentsRepository.$deleteAdjustementsFromHeight(blocks[idx - 1].height);
return false;
@ -619,7 +595,7 @@ class BlocksRepository {
* Delete blocks from the database from blockHeight
*/
public async $deleteBlocksFrom(blockHeight: number) {
logger.info(`Delete newer blocks from height ${blockHeight} from the database`);
logger.info(`Delete newer blocks from height ${blockHeight} from the database`, logger.tags.mining);
try {
await DB.query(`DELETE FROM blocks where height >= ${blockHeight}`);
@ -997,6 +973,7 @@ class BlocksRepository {
}
// If we're missing block summary related field, check if we can populate them on the fly now
// This is for example triggered upon re-org
if (Common.blocksSummariesIndexingEnabled() &&
(extras.medianFeeAmt === null || extras.feePercentiles === null))
{

14
backend/src/repositories/BlocksSummariesRepository.ts
View File

@ -17,7 +17,7 @@ class BlocksSummariesRepository {
return undefined;
}
public async $saveSummary(params: { height: number, mined?: BlockSummary}) {
public async $saveSummary(params: { height: number, mined?: BlockSummary}): Promise<void> {
const blockId = params.mined?.id;
try {
const transactions = JSON.stringify(params.mined?.transactions || []);
@ -71,13 +71,17 @@ class BlocksSummariesRepository {
/**
* Delete blocks from the database from blockHeight
*/
public async $deleteBlocksFrom(blockHeight: number) {
logger.info(`Delete newer blocks summary from height ${blockHeight} from the database`);
public async $deleteTransactionsFrom(blockHeight: number): Promise<void> {
logger.info(`Delete blocks summaries transactions from height ${blockHeight} from the database, but keep templates`, logger.tags.mining);
try {
await DB.query(`DELETE FROM blocks_summaries where height >= ${blockHeight}`);
await DB.query(`
UPDATE blocks_summaries
SET transactions = '[]'
WHERE height >= ${blockHeight}
`);
} catch (e) {
logger.err('Cannot delete indexed blocks summaries. Reason: ' + (e instanceof Error ? e.message : e));
logger.err('Cannot delete blocks summaries transactions. Reason: ' + (e instanceof Error ? e.message : e));
}
}

2
backend/src/repositories/HashratesRepository.ts
View File

@ -220,7 +220,7 @@ class HashratesRepository {
* Delete hashrates from the database from timestamp
*/
public async $deleteHashratesFromTimestamp(timestamp: number) {
logger.info(`Delete newer hashrates from timestamp ${new Date(timestamp * 1000).toUTCString()} from the database`);
logger.info(`Delete newer hashrates from timestamp ${new Date(timestamp * 1000).toUTCString()} from the database`, logger.tags.mining);
try {
await DB.query(`DELETE FROM hashrates WHERE hashrate_timestamp >= FROM_UNIXTIME(?)`, [timestamp]);