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handle gaps in indexed CPFP data

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This commit is contained in:
Mononaut
2023-01-10 17:15:55 -06:00
parent 8de3fd0988
commit f0d3bb87c6
3 changed files with 35 additions and 31 deletions
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24
backend/src/repositories/BlocksRepository.ts
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@@ -671,19 +671,25 @@ class BlocksRepository {
try {
const blockchainInfo = await bitcoinClient.getBlockchainInfo();
const currentBlockHeight = blockchainInfo.blocks;
const [lastHeightRows]: any = await DB.query(`SELECT MIN(height) AS minHeight from compact_cpfp_clusters`);
const lastHeight = (lastHeightRows.length && lastHeightRows[0].minHeight != null) ? lastHeightRows[0].minHeight : currentBlockHeight;
let indexingBlockAmount = Math.min(config.MEMPOOL.INDEXING_BLOCKS_AMOUNT, blockchainInfo.blocks);
let indexingBlockAmount = Math.min(config.MEMPOOL.INDEXING_BLOCKS_AMOUNT, currentBlockHeight);
if (indexingBlockAmount <= -1) {
indexingBlockAmount = currentBlockHeight + 1;
}
const firstHeight = Math.max(0, currentBlockHeight - indexingBlockAmount + 1);
const minHeight = Math.max(0, currentBlockHeight - indexingBlockAmount + 1);
if (firstHeight < lastHeight) {
const [rows]: any = await DB.query(`SELECT height, hash FROM blocks WHERE height BETWEEN ? AND ? ORDER BY height DESC`, [firstHeight, lastHeight]);
return rows;
}
const [rows]: any[] = await DB.query(`
SELECT height
FROM compact_cpfp_clusters
WHERE height <= ? AND height >= ?
ORDER BY height DESC;
`, [currentBlockHeight, minHeight]);
const indexedHeights = {};
rows.forEach((row) => { indexedHeights[row.height] = true; });
const allHeights: number[] = Array.from(Array(currentBlockHeight - minHeight + 1).keys(), n => n + minHeight).reverse();
const unindexedHeights = allHeights.filter(x => !indexedHeights[x]);
return unindexedHeights;
} catch (e) {
logger.err('Cannot fetch CPFP unindexed blocks. Reason: ' + (e instanceof Error ? e.message : e));
throw e;