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Limit number of requests #163

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Limit number of requests #163

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1 change: 1 addition & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@
"cors": "^2.8.5",
"ethers": "^6.7.1",
"express": "^4.18.2",
"express-rate-limit": "^7.4.0",
"express-validator": "^7.0.1",
"firebase-admin": "^11.10.1",
"firebase-functions": "^4.4.1",
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9 changes: 9 additions & 0 deletions src/index.ts
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Expand Up @@ -3,6 +3,7 @@
import '@polkadot/api-augment';
// Fix end
import express from 'express';
import rateLimit from 'express-rate-limit';
import bodyParser from 'body-parser';
import * as functions from 'firebase-functions';
import cors from 'cors';
Expand All @@ -11,6 +12,14 @@ import { IControllerBase } from './controllers/IControllerBase';
import { ContainerTypes } from './containertypes';

const app = express();

// Limit the number or requests to 100 per minute.
const limiter = rateLimit({
windowMs: 1 * 60 * 1000,
max: 100,
});
app.use(limiter);

app.use(express.json({ limit: '5mb' }));
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
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5 changes: 5 additions & 0 deletions yarn.lock
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Expand Up @@ -4239,6 +4239,11 @@ expect@^29.0.0, expect@^29.6.3:
jest-message-util "^29.6.3"
jest-util "^29.6.3"

express-rate-limit@^7.4.0:
version "7.4.0"
resolved "https://registry.yarnpkg.com/express-rate-limit/-/express-rate-limit-7.4.0.tgz#5db412b8de83fa07ddb40f610c585ac8c1dab988"
integrity sha512-v1204w3cXu5gCDmAvgvzI6qjzZzoMWKnyVDk3ACgfswTQLYiGen+r8w0VnXnGMmzEN/g8fwIQ4JrFFd4ZP6ssg==

express-validator@^7.0.1:
version "7.0.1"
resolved "https://registry.yarnpkg.com/express-validator/-/express-validator-7.0.1.tgz#435fac6b5fa838763f78eca05d2206317b92106e"
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