refactor: improved the lastTokenPriceInKda query

Author: mschead

indexer/migrations/20251015120000-remove-transactions-result-gin-idx.js

@@ -0,0 +1,16 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface) {
+    await queryInterface.sequelize.query(`
+      DROP INDEX IF EXISTS transactions_result_gin_idx;
+    `);
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS transactions_result_gin_idx ON "Transactions" USING gin (result);
+    `);
+  },
+};

indexer/src/kadena-server/resolvers/query/last-token-price-in-kda-resolver.ts

@@ -8,8 +8,11 @@ export const lastTokenPriceInKdaQueryResolver: QueryResolvers<ResolverContext>['
     const query = `
       SELECT t.result
       FROM public."Transactions" t
-      WHERE t.result::text LIKE '%' || $1 || '%'
-      ORDER BY t.creationtime DESC, t.id DESC
+      JOIN public."TransactionDetails" td ON td."transactionId" = t.id
+      WHERE td.code LIKE '%[' || $1 || ' coin]%'
+      AND t.result::text LIKE '%' || '"token": "' || $1 || '"' || '%'
+      AND t.result::text LIKE '%' || '"status": "success"' || '%'
+      ORDER BY td.id DESC
       LIMIT 1
     `;