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

Merge pull request #2067 from mempool/nymkappa/feature/block-api-dynamic-caching

Browse Source 
Set /block API cache duration according to block age
This commit is contained in:
wiz 2022-07-11 11:30:45 +02:00 committed by GitHub
commit 4b3cc7396c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
backend/src/routes.ts
View File

@ -761,7 +761,19 @@ class Routes {
public async getBlock(req: Request, res: Response) {
try {
const block = await blocks.$getBlock(req.params.hash);
res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
const blockAge = new Date().getTime() / 1000 - block.timestamp;
const day = 24 * 3600;
let cacheDuration;
if (blockAge > 365 * day) {
cacheDuration = 30 * day;
} else if (blockAge > 30 * day) {
cacheDuration = 10 * day;
} else {
cacheDuration = 600
}
res.setHeader('Expires', new Date(Date.now() + 1000 * cacheDuration).toUTCString());
res.json(block);
} catch (e) {
res.status(500).send(e instanceof Error ? e.message : e);