From 21a0683de3c90a4a7dd5993a277575139f98b028 Mon Sep 17 00:00:00 2001
From: Yaroslav Bolyukin <iam@lach.pw>
Date: Fri, 01 Sep 2023 13:28:26 +0000
Subject: [PATCH] test: rewrite metadata fetch to js


---
--- a/tests/package.json
+++ b/tests/package.json
@@ -117,7 +117,7 @@
     "benchMintingFee": "ts-node src/benchmarks/mintFee/benchmark.ts",
     "load": "yarn _test './**/*.load.ts'",
     "loadTransfer": "ts-node src/transfer.nload.ts",
-    "polkadot-types-fetch-metadata": "curl -L -H 'Content-Type: application/json' -d '{\"id\":\"1\", \"jsonrpc\":\"2.0\", \"method\": \"state_getMetadata\", \"params\":[]}' $RPC_URL > src/interfaces/metadata.json",
+    "polkadot-types-fetch-metadata": "yarn ts-node --esm src/fetchMetadata.ts",
     "polkadot-types-from-defs": "ts-node --esm ./node_modules/.bin/polkadot-types-from-defs --endpoint src/interfaces/metadata.json --input src/interfaces/ --package .",
     "polkadot-types-from-chain": "ts-node --esm ./node_modules/.bin/polkadot-types-from-chain --endpoint src/interfaces/metadata.json --output src/interfaces/ --package .",
     "polkadot-types": "echo \"export default {}\" > src/interfaces/lookup.ts && yarn polkadot-types-fetch-metadata && yarn polkadot-types-from-defs && yarn polkadot-types-from-defs && yarn polkadot-types-from-chain",
--- /dev/null
+++ b/tests/src/fetchMetadata.ts
@@ -0,0 +1,40 @@
+import { writeFile } from "fs/promises";
+import { join } from "path";
+import { exit } from "process";
+import { fileURLToPath } from "url";
+
+const url = process.env.RPC_URL;
+if (!url) throw new Error('RPC_URL is not set');
+
+const srcDir = fileURLToPath(new URL('.', import.meta.url));
+
+for (let i = 0; i < 10; i++) {
+  try {
+    console.log(`Trying to fetch metadata, retry ${i + 1}/${10}`)
+    const response = await fetch(url, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      redirect: 'follow',
+      body: JSON.stringify({
+        jsonrpc: '2.0',
+        id: '1',
+        method: 'state_getMetadata',
+        params: [],
+      }),
+    });
+    const json = await response.json();
+    const output = join(srcDir, 'interfaces/metadata.json');
+    console.log(`Received response, saving to ${output}`);
+    await writeFile(output, JSON.stringify(json));
+    exit(0);
+  } catch (e) {
+    console.error('Failed to request metadata:');
+    console.error(e);
+    console.error('Waiting 1 minute');
+    await new Promise(res => setTimeout(res, 60 * 1000));
+  }
+}
+console.error('Out of retries');
+exit(1);

-- 
gitstuff