rename npub to pubkey

src/models/NostrChallengeCompleted.js

@@ -16,6 +16,10 @@ const NostrChallengeCompleted = sequelize.define('NostrChallengeCompleted', {
         type: DataTypes.JSONB,
         allowNull: false
     },
+    public_key: {
+        type: DataTypes.STRING,
+        allowNull: false
+    },
     created_at: {
         type: DataTypes.DATE,
         allowNull: false

src/services/nostrService.js

@@ -63,6 +63,7 @@ async function completeNostrChallenge(
         'uuid': uuid.v7(),
         challenge: challenge,
         signed_event: signedEvent,
+        public_key: signedEvent.pubkey,
         created_at: new Date().toISOString()
     }
     );