Add indexes for the pendingTx query

Author: Park Juhyung

src/migrations/20191121041217-add-tx-index-for-pending.js

@@ -0,0 +1,28 @@
+"use strict";
+
+const tableName = "Transactions";
+module.exports = {
+    up: async (queryInterface, Sequelize) => {
+        await queryInterface.addIndex(
+            tableName,
+            ["isPending", "pendingTimestamp"],
+            {
+                where: {
+                    isPending: true
+                }
+            }
+        );
+    },
+
+    down: async (queryInterface, Sequelize) => {
+        await queryInterface.removeIndex(
+            tableName,
+            ["isPending", "pendingTimestamp"],
+            {
+                where: {
+                    isPending: true
+                }
+            }
+        );
+    }
+};

src/migrations/20191121041429-add-seq-to-address-log.js

@@ -0,0 +1,38 @@
+"use strict";
+
+const tableName = "AddressLogs";
+module.exports = {
+    up: async (queryInterface, Sequelize) => {
+        await queryInterface.addColumn(tableName, "seq", {
+            type: Sequelize.INTEGER
+        });
+        await queryInterface.addIndex(
+            tableName,
+            ["isPending", "address", "type", "seq"],
+            {
+                where: {
+                    type: "TransactionSigner"
+                }
+            }
+        );
+
+        await queryInterface.sequelize.query(
+            `UPDATE "AddressLogs"
+                SET "seq" = (SELECT "Transactions"."seq" FROM "Transactions" WHERE hash="AddressLogs"."transactionHash")
+                WHERE type='TransactionSigner'`
+        );
+    },
+
+    down: async (queryInterface, Sequelize) => {
+        await queryInterface.removeIndex(
+            tableName,
+            ["isPending", "address", "type", "seq"],
+            {
+                where: {
+                    type: "TransactionSigner"
+                }
+            }
+        );
+        await queryInterface.removeColumn(tableName, "seq");
+    }
+};