feat: add script to query gno balance

Signed-off-by: Norman Meier <[email protected]>

packages/scripts/gnoBalance.ts

@@ -0,0 +1,25 @@
+import { GnoJSONRPCProvider } from "@gnolang/gno-js-client";
+import { program } from "commander";
+
+import { NetworkKind, parseUserId } from "../networks";
+
+const main = async () => {
+  program.argument("user-id", "user id");
+  program.parse();
+  const [userId] = program.args as [string, string];
+
+  const [network, userAddress] = parseUserId(userId);
+  if (network?.kind !== NetworkKind.Gno) {
+    console.error("network not supported");
+    return;
+  }
+  const provider = new GnoJSONRPCProvider(network.endpoint);
+  try {
+    const rawRes = await provider.getBalance(userAddress);
+    console.log(rawRes);
+  } catch (e) {
+    console.error(JSON.stringify(e));
+  }
+};
+
+main();