add replyAttestation to routes

index.ts

@@ -1,6 +1,7 @@
 import routes from "./src/routes/routes.js";
 import bot from "./src/routes/bot.js";
 import {frogApp} from "./src/routes/frog.js";
+import replyAttestation from "./src/routes/replyAttestation.js";
 
 if (typeof Bun !== 'undefined') {
     const server = Bun.serve({
@@ -13,6 +14,8 @@ if (typeof Bun !== 'undefined') {
                         return new Response('This is my Farcaster praise bot', { status: 200 });
                     case routes.bot:
                         return await bot(req);
+                    case routes.replyAttestation:
+                        return await replyAttestation(req);
                     case routes.frog:
                         return await frogApp.fetch(req);
                     default:

src/routes/bot.ts

@@ -29,6 +29,7 @@ If you want to give praise to someone and mint an attestation, try casting in th
         return new Response('There\'s no \'praise\' in the cast', { status: 200 });
     }
     const praiseHandle = process.env.PRAISE_FARCASTER_HANDLE;
+    // TODO: Should consider only first mention as praise receiver
     const praiseReceiver = mentioned_profiles.find((profile: any) => profile.username !== praiseHandle)
     if (!praiseReceiver) {
         await neynarClient.publishCast(

src/routes/replyAttestation.ts

@@ -0,0 +1,30 @@
+import neynarClient from "../helpers/neynarClient.js";
+
+const baseAttestationScan = 'https://base.easscan.org/attestation/view/';
+
+const replyAttestation = async (req: Request) => {
+    if (!process.env.SIGNER_UUID) {
+        throw new Error("Make sure you set SIGNER_UUID in your .env file");
+    }
+    const body = await req.text();
+    const data = JSON.parse(body);
+    const { attestationHash, praiseHash } = data;
+    if (!attestationHash || !praiseHash) {
+        throw new Error("attestationHash and praiseHash are required");
+    }
+    await neynarClient.publishCast(
+        process.env.SIGNER_UUID,
+        `Thanks for using Praise and spreading gratitude and thankfulness!
+        
+This is the attestation URL you just minted:
+
+${baseAttestationScan + attestationHash}`,
+        {
+            replyTo: praiseHash,
+        }
+    );
+    console.log("Replied with Attestation URL!");
+    return new Response('Attestation URL sent!', { status: 200 });
+}
+
+export default replyAttestation;

src/routes/routes.ts

@@ -2,6 +2,7 @@ const routes = {
     home: '/',
     bot: '/bot',
     frog: '/frog',
+    replyAttestation: '/reply-attestation',
 }
 
 export default routes;