ckdb/sql - increase the size of coinbase2 since core segwit changes before activation require a much larger coinbase

sql/ckdb.sql

@@ -178,7 +178,7 @@ CREATE TABLE workinfo (
     merklehash text DEFAULT ''::text NOT NULL,
     prevhash character varying(256) NOT NULL,
     coinbase1 character varying(256) NOT NULL,
-    coinbase2 character varying(256) NOT NULL,
+    coinbase2 character varying(511) NOT NULL,
     version character varying(64) NOT NULL,
     bits character varying(64) NOT NULL,
     ntime character varying(64) NOT NULL,

sql/v1.0.7-v1.0.8.sql

@@ -0,0 +1,24 @@
+SET SESSION AUTHORIZATION 'postgres';
+
+BEGIN transaction;
+
+DO $$
+DECLARE ver TEXT;
+BEGIN
+
+ UPDATE version set version='1.0.8' where vlock=1 and version='1.0.7';
+
+ IF found THEN
+  RETURN;
+ END IF;
+
+ SELECT version into ver from version
+  WHERE vlock=1;
+
+ RAISE EXCEPTION 'Wrong DB version - expect "1.0.7" - found "%"', ver;
+
+END $$;
+
+ALTER TABLE workinfo ALTER COLUMN coinbase2 TYPE varchar(511);
+
+END transaction;

src/ckdb.h

@@ -57,8 +57,8 @@
  * Consider adding row level locking (a per kitem usage count) if needed */
 
 #define DB_VLOCK "1"
-#define DB_VERSION "1.0.7"
-#define CKDB_VERSION DB_VERSION"-2.717"
+#define DB_VERSION "1.0.8"
+#define CKDB_VERSION DB_VERSION"-2.718"
 
 #define WHERE_FFL " - from %s %s() line %d"
 #define WHERE_FFL_HERE __FILE__, __func__, __LINE__