sqldb: closed_scids table

sqldb/sqlc/migrations/000007_graph.down.sql

@@ -29,3 +29,4 @@ DROP TABLE IF EXISTS nodes;
 DROP TABLE IF EXISTS channel_policy_extra_types;
 DROP TABLE IF EXISTS zombie_channels;
 DROP TABLE IF EXISTS prune_log;
+DROP TABLE IF EXISTS closed_scids;

sqldb/sqlc/migrations/000007_graph.up.sql

@@ -331,4 +331,9 @@ CREATE TABLE IF NOT EXISTS prune_log (
 
     -- The block hash that the prune was performed at.
     block_hash BLOB NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS closed_scids (
+    -- The short channel id of the channel.
+    scid BLOB PRIMARY KEY
 );