migration script

lib/storage_leveldb.js

@@ -2,7 +2,6 @@
 
 var _ = require('lodash');
 var levelup = require('levelup');
-var multilevel = require('multilevel');
 var net = require('net');
 var async = require('async');
 var $ = require('preconditions').singleton();
@@ -22,16 +21,9 @@ var Storage = function(opts) {
   this.db = opts.db;
 
   if (!this.db) {
-    if (opts.multiLevel) {
-      this.db = multilevel.client();
-      var con = net.connect(opts.multiLevel);
-      con.pipe(this.db.createRpcStream()).pipe(con);
-      log.info('Using multilevel server:'  + opts.multiLevel.host + ':' + opts.multiLevel.port);
-    } else {
-      this.db = levelup(opts.dbPath || './db/bws.db', {
-        valueEncoding: 'json'
-      });
-    }
+    this.db = levelup(opts.dbPath || './db/bws.db', {
+      valueEncoding: 'json'
+    });
   }
 };
 

scripts/level2mongo.js

@@ -0,0 +1,63 @@
+'use strict';
+
+var LevelStorage = require('../lib/storage_leveldb');
+var MongoStorage = require('../lib/storage');
+
+
+var level = new LevelStorage({
+  dbPath: './db/bws.db',
+});
+
+var mongo = new MongoStorage();
+mongo.connect({
+  host: 'localhost',
+  port: '27017'
+}, function(err) {
+  if (err) throw err;
+  mongo.db.dropDatabase(function(err) {
+    if (err) throw err;
+    run(function(err) {
+      if (err) throw err;
+      console.log('All data successfully migrated');
+      process.exit(0);
+      // mongo._dump(function() {
+      //   process.exit(0);
+      // });
+    });
+  });
+});
+
+
+function run(cb) {
+  level.db.readStream()
+    .on('data', function(data) {
+      migrate(data.key, data.value, function(err) {
+        if (err) throw err;
+      });
+    })
+    .on('error', function(err) {
+      return cb(err);
+    })
+    .on('end', function() {
+      return cb();
+    });
+};
+
+function migrate(key, value, cb) {
+  if (key.match(/^copayer!/)) {
+    value.copayerId = key.substring(key.indexOf('!') + 1);
+    mongo.db.collection('copayers_lookup').insert(value, cb);
+  } else if (key.match(/!addr!/)) {
+    value.walletId = key.substring(2, key.indexOf('!addr'));
+    mongo.db.collection('addresses').insert(value, cb);
+  } else if (key.match(/!not!/)) {
+    mongo.db.collection('notifications').insert(value, cb);
+  } else if (key.match(/!p?txp!/)) {
+    value.isPending = key.indexOf('!ptxp!') != -1;
+    mongo.db.collection('txs').insert(value, cb);
+  } else if (key.match(/!main$/)) {
+    mongo.db.collection('wallets').insert(value, cb);
+  } else {
+    return cb(new Error('Invalid key ' + key));
+  }
+};