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optimize block audit scores db query

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Mononaut 2022-11-24 17:03:54 +09:00
parent 5fc3b8b70c
commit de04914851
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GPG Key ID: A3F058E41374C04E
4 changed files with 20 additions and 43 deletions
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39
backend/src/api/audit.ts
View File

@ -133,45 +133,6 @@ class Audit {
score
};
}
public async $getBlockAuditScores(fromHeight?: number, limit: number = 15): Promise<AuditScore[]> {
let currentHeight = fromHeight !== undefined ? fromHeight : await blocksRepository.$mostRecentBlockHeight();
const returnScores: AuditScore[] = [];
if (currentHeight < 0) {
return returnScores;
}
for (let i = 0; i < limit && currentHeight >= 0; i++) {
const block = blocks.getBlocks().find((b) => b.height === currentHeight);
if (block?.extras?.matchRate != null) {
returnScores.push({
hash: block.id,
matchRate: block.extras.matchRate
});
} else {
let currentHash;
if (!currentHash && Common.indexingEnabled()) {
const dbBlock = await blocksRepository.$getBlockByHeight(currentHeight);
if (dbBlock && dbBlock['id']) {
currentHash = dbBlock['id'];
}
}
if (!currentHash) {
currentHash = await bitcoinApi.$getBlockHash(currentHeight);
}
if (currentHash) {
const auditScore = await blocksAuditsRepository.$getBlockAuditScore(currentHash);
returnScores.push({
hash: currentHash,
matchRate: auditScore?.matchRate
});
}
}
currentHeight--;
}
return returnScores;
}
}
export default new Audit();

7
backend/src/api/mining/mining-routes.ts
View File

@ -283,9 +283,12 @@ class MiningRoutes {
private async $getBlockAuditScores(req: Request, res: Response) {
try {
const height = req.params.height === undefined ? undefined : parseInt(req.params.height, 10);
let height = req.params.height === undefined ? undefined : parseInt(req.params.height, 10);
if (height == null) {
height = await BlocksRepository.$mostRecentBlockHeight();
}
res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
res.json(await audits.$getBlockAuditScores(height, 15));
res.json(await BlocksAuditsRepository.$getBlockAuditScores(height, height - 15));
} catch (e) {
res.status(500).send(e instanceof Error ? e.message : e);
}

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

@ -93,6 +93,20 @@ class BlocksAuditRepositories {
throw e;
}
}
public async $getBlockAuditScores(maxHeight: number, minHeight: number): Promise<AuditScore[]> {
try {
const [rows]: any[] = await DB.query(
`SELECT hash, match_rate as matchRate
FROM blocks_audits
WHERE blocks_audits.height BETWEEN ? AND ?
`, [minHeight, maxHeight]);
return rows;
} catch (e: any) {
logger.err(`Cannot fetch block audit from db. Reason: ` + (e instanceof Error ? e.message : e));
throw e;
}
}
}
export default new BlocksAuditRepositories();

3
frontend/src/app/components/blocks-list/blocks-list.component.html
View File

@ -52,8 +52,7 @@
[ngStyle]="{'width': (100 - (auditScores[block.id] || 0)) + '%' }"></div>
<div class="progress-text">
<span *ngIf="auditScores[block.id] != null;">{{ auditScores[block.id] }}%</span>
<span *ngIf="auditScores[block.id] === undefined" class="skeleton-loader"></span>
<span *ngIf="auditScores[block.id] === null">~</span>
<span *ngIf="auditScores[block.id] == null">~</span>
</div>
</div>
</a>