fix: use pg bigint for pox_v1_unlock_height column (#1521)

* fix: use pg bigint for `pox_v1_unlock_height` column

* chore: pg down migration must be manually specified for alterColumn type

* fix: `pox_v1_unlock_height` returns as string-quoted integer

Author: zone117x

migrations/1673632140730_pox_state_fix.js

@@ -0,0 +1,15 @@
+/** @param { import("node-pg-migrate").MigrationBuilder } pgm */
+exports.up = pgm => {
+
+  pgm.alterColumn('pox_state', 'pox_v1_unlock_height', {
+    type: 'bigint'
+  });
+
+}
+
+/** @param { import("node-pg-migrate").MigrationBuilder } pgm */
+exports.down = pgm => {
+  pgm.alterColumn('pox_state', 'pox_v1_unlock_height', {
+    type: 'integer'
+  });
+}

src/datastore/pg-store.ts

@@ -351,15 +351,15 @@ export class PgStore {
   }
 
   async getPox1UnlockHeightInternal(sql: PgSqlClient): Promise<FoundOrNot<number>> {
-    const query = await sql<{ pox_v1_unlock_height: number }[]>`
+    const query = await sql<{ pox_v1_unlock_height: string }[]>`
       SELECT pox_v1_unlock_height
       FROM pox_state
       LIMIt 1
     `;
     if (query.length === 0) {
       return { found: false };
     }
-    const unlockHeight = query[0].pox_v1_unlock_height;
+    const unlockHeight = parseInt(query[0].pox_v1_unlock_height);
     if (unlockHeight === 0) {
       return { found: false };
     }