NIP-39: validate github

nip39.ts

@@ -0,0 +1,27 @@
+var _fetch: any
+
+try {
+  _fetch = fetch
+} catch {}
+
+export function useFetchImplementation(fetchImplementation: any) {
+  _fetch = fetchImplementation
+}
+
+export async function validateGithub(
+  pubkey: string,
+  username: string,
+  proof: string
+): Promise<boolean> {
+  try {
+    let res = await (
+      await _fetch(`https://gist.github.com/${username}/${proof}/raw`)
+    ).text()
+    return (
+      res ===
+      `Verifying that I control the following Nostr public key: ${pubkey}`
+    )
+  } catch (_) {
+    return false
+  }
+}