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Merge pull request #2403 from mempool/simon/da-api-handle-error

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Fix for difficulty adjustment throwing error before in sync
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wiz 2022-08-30 19:43:10 +02:00 committed by GitHub
commit b36a7a2bcf
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2 changed files with 10 additions and 4 deletions
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7
backend/src/api/bitcoin/bitcoin.routes.ts
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@ -510,7 +510,12 @@ class BitcoinRoutes {
private getDifficultyChange(req: Request, res: Response) {
try {
res.json(difficultyAdjustment.getDifficultyAdjustment());
const da = difficultyAdjustment.getDifficultyAdjustment();
if (da) {
res.json(da);
} else {
res.status(503).send(`Service Temporarily Unavailable`);
}
} catch (e) {
res.status(500).send(e instanceof Error ? e.message : e);
}

7
backend/src/api/difficulty-adjustment.ts
View File

@ -81,14 +81,15 @@ export function calcDifficultyAdjustment(
}
class DifficultyAdjustmentApi {
constructor() { }
public getDifficultyAdjustment(): IDifficultyAdjustment {
public getDifficultyAdjustment(): IDifficultyAdjustment | null {
const DATime = blocks.getLastDifficultyAdjustmentTime();
const previousRetarget = blocks.getPreviousDifficultyRetarget();
const blockHeight = blocks.getCurrentBlockHeight();
const blocksCache = blocks.getBlocks();
const latestBlock = blocksCache[blocksCache.length - 1];
if (!latestBlock) {
return null;
}
const nowSeconds = Math.floor(new Date().getTime() / 1000);
return calcDifficultyAdjustment(