Log checked headers for tend events

db/migrations/1537474562_add_tend_to_checked_headers.down.sql

@@ -0,0 +1,2 @@
+ALTER TABLE public.checked_headers
+    DROP COLUMN tend_checked;

db/migrations/1537474562_add_tend_to_checked_headers.up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE public.checked_headers
+    ADD COLUMN tend_checked BOOLEAN NOT NULL DEFAULT FALSE;

db/schema.sql

@@ -672,7 +672,8 @@ CREATE TABLE public.checked_headers (
     price_feeds_checked boolean DEFAULT false NOT NULL,
     deal_checked boolean DEFAULT false NOT NULL,
     dent_checked boolean DEFAULT false NOT NULL,
-    flip_kick_checked boolean DEFAULT false NOT NULL
+    flip_kick_checked boolean DEFAULT false NOT NULL,
+    tend_checked boolean DEFAULT false NOT NULL
 );