use migrate-mongo to update the db

Author: blockparty-sh

.gitignore

@@ -1,6 +1,7 @@
 node_modules
 /*.js
 *.js.map
+!migrate-mongo-config.js
 
 _leveldb
 _leveldb_testnet

migrate-mongo-config.js

@@ -0,0 +1,23 @@
+const Config = require('./config').Config;
+
+const config = {
+  mongodb: {
+    url: Config.db.url,
+    databaseName: Config.db.name,
+
+    options: {
+      useNewUrlParser: true // removes a deprecation warning when connecting
+      //   connectTimeoutMS: 3600000, // increase connection timeout to 1 hour
+      //   socketTimeoutMS: 3600000, // increase socket timeout to 1 hour
+    }
+  },
+
+  // The migrations dir, can be an relative or absolute path. Only edit this when really necessary.
+  migrationsDir: "migrations",
+
+  // The mongodb collection where the applied changes are stored. Only edit this when really necessary.
+  changelogCollectionName: "changelog"
+};
+
+//Return the config as a promise
+module.exports = config;

migrations/20190423182956-remove_unused_indexes.js

@@ -0,0 +1,44 @@
+module.exports = {
+  async up(db) {
+    console.log(await db.collection('graphs').dropIndex('tokenDetails.name_1'))
+    console.log(await db.collection('graphs').dropIndex('tokenDetails.symbol_1'))
+    console.log(await db.collection('graphs').dropIndex('fulltext'))
+
+    console.log(await db.collection('addresses').dropIndex('tokenDetails.name_1'))
+    console.log(await db.collection('addresses').dropIndex('tokenDetails.symbol_1'))
+    console.log(await db.collection('addresses').dropIndex('fulltext'))
+
+    console.log(await db.collection('utxos').dropIndex('tokenDetails.name_1'))
+    console.log(await db.collection('utxos').dropIndex('tokenDetails.symbol_1'))
+    console.log(await db.collection('utxos').dropIndex('fulltext'))
+  },
+
+  async down(db) {
+    console.log(await db.collection('graphs').createIndex('tokenDetails.name'))
+    console.log(await db.collection('graphs').createIndex('tokenDetails.symbol'))
+    console.log(await db.collection('graphs').createIndex({
+      'tokenDetails.name': 'text',
+      'tokenDetails.symbol': 'text'
+    }, {
+      'name': 'fulltext'
+    }))
+
+    console.log(await db.collection('addresses').createIndex('tokenDetails.name'))
+    console.log(await db.collection('addresses').createIndex('tokenDetails.symbol'))
+    console.log(await db.collection('addresses').createIndex({
+      'tokenDetails.name': 'text',
+      'tokenDetails.symbol': 'text'
+    }, {
+      'name': 'fulltext'
+    }))
+
+    console.log(await db.collection('utxos').createIndex('tokenDetails.name'))
+    console.log(await db.collection('utxos').createIndex('tokenDetails.symbol'))
+    console.log(await db.collection('utxos').createIndex({
+      'tokenDetails.name': 'text',
+      'tokenDetails.symbol': 'text'
+    }, {
+      'name': 'fulltext'
+    }))
+  }
+};

migrations/20190423185115-add_graphTxn.txid_index.js

@@ -0,0 +1,9 @@
+module.exports = {
+  async up(db) {
+    console.log(await db.collection('graphs').createIndex({ 'graphTxn.txid': 1 }))
+  },
+
+  async down(db) {
+    console.log(await db.collection('graphs').dropIndex('graphTxn.txid_1'))
+  }
+};

migrations/20190423190340-add_addresses.address_index.js

@@ -0,0 +1,9 @@
+module.exports = {
+  async up(db) {
+    console.log(await db.collection('addresses').createIndex({ 'address': 1 }))
+  },
+
+  async down(db) {
+    console.log(await db.collection('addresses').dropIndex('address_1'))
+  }
+};

migrations/20190423190353-add_utxos.utxo_index.js

@@ -0,0 +1,9 @@
+module.exports = {
+  async up(db) {
+    console.log(await db.collection('utxos').createIndex({ 'utxo': 1 }))
+  },
+
+  async down(db) {
+    console.log(await db.collection('utxos').dropIndex('utxo_1'))
+  }
+};

package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "test": "tsc && test",
     "start": "tsc && node index",
-    "lint": "./node_modules/.bin/eslint ."
+    "lint": "./node_modules/.bin/eslint .",
+    "migrate": "./node_modules/.bin/migrate-mongo"
   },
   "repository": {
     "type": "git",
@@ -42,6 +43,7 @@
     "ip": "^1.1.5",
     "level": "^4.0.0",
     "leveldown": "^4.0.1",
+    "migrate-mongo": "^5.0.1",
     "mingo": "^2.2.4",
     "mongodb": "^3.1.4",
     "p-limit": "2.0.0",