Merge pull request #562 from interlay/faucet-load-test

feat(scripts): faucet load test

Author: nud3l

scripts/load-test-faucet.ts

@@ -0,0 +1,36 @@
+
+import { Kintsugi } from '@interlay/monetary-js';
+import { Keyring } from '@polkadot/api';
+import { createSubstrateAPI, FaucetClient } from '../src';
+
+const PARACHAIN_ENDPOINT = "wss://api-kusama.interlay.io/parachain";
+const FAUCET_URL = "http://localhost:3033";
+
+// The script throws an error but does what it should
+main().catch((err) => {
+    console.log("Error thrown by script:");
+    console.log(err);
+});
+
+/**
+* Flood the faucet with `users` requests to see if it breaks
+*/
+async function main() {
+    const keyring = new Keyring({ type: "sr25519" });
+    const api = await createSubstrateAPI(PARACHAIN_ENDPOINT);
+    const faucet = new FaucetClient(api, FAUCET_URL);
+    const salt = Math.random().toString();
+    const users = 100;
+    const promises = [];
+    for (let i = 0; i < users; i++) {
+        const account = keyring.addFromUri(`//${salt + i.toString()}`);
+        console.log(account.address);
+        const accountId = api.createType("AccountId", account.address);
+        promises.push(
+            faucet.fundAccount(accountId, Kintsugi)
+        );
+    }
+    console.log(`Making ${users} simulatenous faucet requests...`);
+    await Promise.all(promises);
+    console.log("Finished");
+}