diff --git a/components/login.js b/components/login.js
index 0d320a07..90b5ef33 100644
--- a/components/login.js
+++ b/components/login.js
@@ -122,7 +122,7 @@ function LnQRAuth ({ k1, encodedUrl, callbackUrl }) {
   return (
     <>
       <small className='mb-2'>
-        <a className='text-muted text-underline' href='https://github.com/fiatjaf/awesome-lnurl#wallets' target='_blank' rel='noreferrer' style={{ textDecoration: 'underline' }}>Does my wallet support lnurl-auth?</a>
+        <a className='text-muted text-underline' href='https://github.com/fiatjaf/lnurl-rfc#lnurl-documents' target='_blank' rel='noreferrer' style={{ textDecoration: 'underline' }}>Does my wallet support lnurl-auth?</a>
       </small>
       <LnQR value={encodedUrl} status='waiting for you' />
     </>
diff --git a/prisma/migrations/20211025174239_item_act_replace/migration.sql b/prisma/migrations/20211025174239_item_act_replace/migration.sql
new file mode 100644
index 00000000..63867527
--- /dev/null
+++ b/prisma/migrations/20211025174239_item_act_replace/migration.sql
@@ -0,0 +1,47 @@
+CREATE OR REPLACE FUNCTION item_act(item_id INTEGER, user_id INTEGER, act "ItemActType", act_sats INTEGER)
+RETURNS INTEGER
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    user_sats INTEGER;
+BEGIN
+    PERFORM ASSERT_SERIALIZED();
+
+    SELECT (msats / 1000) INTO user_sats FROM users WHERE id = user_id;
+    IF act_sats > user_sats THEN
+        RAISE EXCEPTION 'SN_INSUFFICIENT_FUNDS';
+    END IF;
+
+    UPDATE users SET msats = msats - (act_sats * 1000) WHERE id = user_id;
+
+    CASE act
+      when 'VOTE', 'BOOST' then
+        -- if we've already voted, then this is boost (doing this here prevents any potential
+        -- race)
+        IF EXISTS (SELECT 1 FROM "ItemAct" WHERE "itemId" = item_id AND "userId" = user_id) OR act = 'BOOST' THEN
+            INSERT INTO "ItemAct" (sats, "itemId", "userId", act, created_at, updated_at)
+            VALUES (act_sats, item_id, user_id, 'BOOST', now_utc(), now_utc());
+
+        -- this is a vote
+        ELSE
+          -- only 1 sat votes are allowed
+          IF act_sats > 1 THEN
+            RAISE EXCEPTION 'SN_EXCEEDS_ACT_SAT_LIMIT';
+          END IF;
+
+          INSERT INTO "ItemAct" (sats, "itemId", "userId", act, created_at, updated_at)
+            VALUES (1, item_id, user_id, 'VOTE', now_utc(), now_utc());
+
+          -- give the item's user 1 sat
+          UPDATE users SET msats = msats + 1000 WHERE id = (SELECT "userId" FROM "Item" WHERE id = item_id);
+        END IF;
+      when 'TIP' then
+        INSERT INTO "ItemAct" (sats, "itemId", "userId", act, created_at, updated_at)
+            VALUES (act_sats, item_id, user_id, 'TIP', now_utc(), now_utc());
+        -- give the item's user act_sats
+        UPDATE users SET msats = msats + (act_sats * 1000) WHERE id = (SELECT "userId" FROM "Item" WHERE id = item_id);
+    END case;
+
+    RETURN act_sats;
+END;
+$$;
\ No newline at end of file