1 files changed, 21 insertions, 0 deletions
diff --git a/front/src/logic/nostrill.ts b/front/src/logic/nostrill.ts
index bf9212d..bd5fc9c 100644
--- a/front/src/logic/nostrill.ts
+++ b/front/src/logic/nostrill.ts
@@ -1,6 +1,9 @@
 import type { Event } from "@/types/nostr";
 import type { Content, FC, Poast } from "@/types/trill";
 import { engagementBunt, openLock } from "./bunts";
+import type { UserType } from "@/types/nostrill";
+import type { Result } from "@/types/ui";
+import { isValidPatp } from "urbit-ob";
 export function eventsToFc(postEvents: Event[]): FC {
   const fc = postEvents.reduce(
     (acc: FC, event: Event) => {
@@ -66,6 +69,24 @@ export function eventToPoast(event: Event): Poast | null {
   return poast;
 }
 
+export function userToString(user: UserType): Result<string> {
+  if ("urbit" in user) {
+    const isValid = isValidPatp(user.urbit);
+    if (isValid) return { ok: user.urbit };
+    else return { error: "invalid @p" };
+  } else if ("nostr" in user) return { ok: user.nostr };
+  else return { error: "unknown user" };
+}
+export function isValidNostrPubkey(pubkey: string): boolean {
+  // TODO
+  if (pubkey.length !== 64) return false;
+  try {
+    BigInt("0x" + pubkey);
+    return true;
+  } catch (_e) {
+    return false;
+  }
+}
 // NOTE common tags:
 // imeta
 // client