support for total difficulty (needed to support some eth endpoints)

db/migrations/00032_create_header_cids_table.sql

@@ -5,6 +5,7 @@ CREATE TABLE public.header_cids (
   block_hash            VARCHAR(66) NOT NULL,
   cid                   TEXT NOT NULL,
   uncle                 BOOLEAN NOT NULL,
+  td                    BIGINT NOT NULL,
   UNIQUE (block_number, block_hash)
 );
 

db/schema.sql

@@ -3,7 +3,7 @@
 --
 
 -- Dumped from database version 10.10
--- Dumped by pg_dump version 11.5
+-- Dumped by pg_dump version 12.1
 
 SET statement_timeout = 0;
 SET lock_timeout = 0;
@@ -18,8 +18,6 @@ SET row_security = off;
 
 SET default_tablespace = '';
 
-SET default_with_oids = false;
-
 --
 -- Name: addresses; Type: TABLE; Schema: public; Owner: -
 --
@@ -316,7 +314,8 @@ CREATE TABLE public.header_cids (
     block_number bigint NOT NULL,
     block_hash character varying(66) NOT NULL,
     cid text NOT NULL,
-    uncle boolean NOT NULL
+    uncle boolean NOT NULL,
+    td bigint NOT NULL
 );