Merge pull request #129 from skip-mev/staging

chore: sync staging -> main

Author: Zygimantass

Diff for: src/constants/rpc.ts

@@ -2,3 +2,8 @@ export const CHAIN_IDS_L5_NODES = [
   "secret-4",
   //
 ];
+
+export const CHAIN_IDS_POLKACHU_BACKUP_NODES = [
+  "osmosis-1",
+  //
+]

Diff for: src/pages/api/nodes/[$chainID]/[[...$args]].ts

@@ -1,7 +1,7 @@
 import { PageConfig } from "next";
 import { NextRequest } from "next/server";
 
-import { CHAIN_IDS_L5_NODES } from "@/constants/rpc";
+import { CHAIN_IDS_L5_NODES, CHAIN_IDS_POLKACHU_BACKUP_NODES } from "@/constants/rpc";
 import { getCorsDomains } from "@/lib/edge-config";
 import { getPolkachuAuthHeader } from "@/utils/api";
 import { raise } from "@/utils/assert";
@@ -51,11 +51,19 @@ export default async function handler(req: NextRequest) {
   searchParams.delete("$args");
 
   const shouldUseL5 = CHAIN_IDS_L5_NODES.includes(chainID);
+  const shouldUsePolkachuBackup = CHAIN_IDS_POLKACHU_BACKUP_NODES.includes(chainID);
 
   const headers = new Headers();
-  const rpcURL = shouldUseL5
-    ? `https://skip-secretnetwork-rpc.lavenderfive.com`
-    : `https://${chainID}-skip-rpc.polkachu.com`;
+
+  var rpcURL = '';
+
+  if (shouldUseL5) {
+    rpcURL = `https://skip-secretnetwork-rpc.lavenderfive.com`;
+  } else if (shouldUsePolkachuBackup) {
+    rpcURL = `https://${chainID}-skip-rpc-1.polkachu.com`;
+  } else {
+    rpcURL = `https://${chainID}-skip-rpc.polkachu.com`;
+  }
 
   if (!shouldUseL5) {
     headers.set("authorization", getPolkachuAuthHeader());