optimize bundle

packages/app/src/Nip05/Verifier.ts

@@ -0,0 +1,32 @@
+import DnsOverHttpResolver from "dns-over-http-resolver";
+import { bech32ToHex } from "Util";
+
+const resolver = new DnsOverHttpResolver();
+interface NostrJson {
+  names: Record<string, string>;
+}
+
+export async function fetchNip05Pubkey(name: string, domain: string) {
+  if (!name || !domain) {
+    return undefined;
+  }
+  try {
+    const res = await fetch(`https://${domain}/.well-known/nostr.json?name=${encodeURIComponent(name)}`);
+    const data: NostrJson = await res.json();
+    const match = Object.keys(data.names).find(n => {
+      return n.toLowerCase() === name.toLowerCase();
+    });
+    return match ? data.names[match] : undefined;
+  } catch {
+    // ignored
+  }
+
+  // Check as DoH TXT entry
+  try {
+    const resDns = await resolver.resolveTxt(`${name}._nostr.${domain}`);
+    return bech32ToHex(resDns[0][0]);
+  } catch {
+    // ignored
+  }
+  return undefined;
+}