add walletdb.

lib/bcoin.js

@@ -62,10 +62,11 @@ bcoin.input = require('./bcoin/input');
 bcoin.output = require('./bcoin/output');
 bcoin.coin = require('./bcoin/coin');
 bcoin.tx = require('./bcoin/tx');
-bcoin.txPool = require('./bcoin/tx-pool');
+bcoin.txpool = require('./bcoin/tx-pool');
 bcoin.block = require('./bcoin/block');
 bcoin.ramdisk = require('./bcoin/ramdisk');
 bcoin.blockdb = require('./bcoin/blockdb');
+bcoin.spvnode = require('./bcoin/spvnode');
 bcoin.node = require('./bcoin/node');
 bcoin.chainblock = require('./bcoin/chainblock');
 bcoin.chaindb = require('./bcoin/chaindb');
@@ -73,6 +74,7 @@ bcoin.chain = require('./bcoin/chain');
 bcoin.mempool = require('./bcoin/mempool');
 bcoin.keypair = require('./bcoin/keypair');
 bcoin.address = require('./bcoin/address');
+bcoin.walletdb = require('./bcoin/walletdb');
 bcoin.wallet = require('./bcoin/wallet');
 bcoin.peer = require('./bcoin/peer');
 bcoin.pool = require('./bcoin/pool');

lib/bcoin/node.js

@@ -74,6 +74,8 @@ Node.prototype._init = function _init() {
 
   this.miner = new bcoin.miner(this.pool, this.options.miner);
 
+  this.walletdb = new bcoin.walletdb(this.options.walletdb);
+
   this.mempool.on('error', function(err) {
     self.emit('error', err);
   });
@@ -88,7 +90,10 @@ Node.prototype._init = function _init() {
   if (!this.options.wallet.id)
     this.options.wallet.id = 'primary';
 
-  bcoin.wallet.load(this.options.wallet, function(err, wallet) {
+  if (!this.options.wallet.passphrase)
+    this.options.wallet.passphrase = 'node';
+
+  this.walletdb.create(this.options.wallet, function(err, wallet) {
     if (err)
       throw err;
 

lib/bcoin/spvnode.js

@@ -62,6 +62,8 @@ SPVNode.prototype._init = function _init() {
   this.pool = new bcoin.pool(this.options.pool);
   this.chain = this.pool.chain;
 
+  this.walletdb = new bcoin.walletdb(this.options.walletdb);
+
   this.pool.on('error', function(err) {
     self.emit('error', err);
   });
@@ -76,7 +78,10 @@ SPVNode.prototype._init = function _init() {
   if (!this.options.wallet.id)
     this.options.wallet.id = 'primary';
 
-  bcoin.wallet.load(this.options.wallet, function(err, wallet) {
+  if (!this.options.wallet.passphrase)
+    this.options.wallet.passphrase = 'node';
+
+  this.walletdb.create(this.options.wallet, function(err, wallet) {
     if (err)
       throw err;
 
@@ -93,11 +98,6 @@ SPVNode.prototype._init = function _init() {
       });
     });
 
-      self.pool.startSync();
-
-      self.loading = false;
-      self.emit('load');
-    return;
     self.pool.addWallet(this.wallet, function(err) {
       if (err)
         throw err;

lib/bcoin/tx-pool.js

@@ -212,7 +212,10 @@ TXPool.prototype._storeTX = function _storeTX(hash, tx, noWrite) {
   if (noWrite)
     return;
 
-  this._wallet.saveFile();
+  this._wallet.save(function(err) {
+    if (err)
+      self.emit('error', err);
+  });
 };
 
 TXPool.prototype._removeTX = function _removeTX(tx, noWrite) {
@@ -233,7 +236,10 @@ TXPool.prototype._removeTX = function _removeTX(tx, noWrite) {
   if (noWrite)
     return;
 
-  this._wallet.saveFile();
+  this._wallet.save(function(err) {
+    if (err)
+      self.emit('error', err);
+  });
 };
 
 TXPool.prototype.removeTX = function removeTX(hash) {

lib/bcoin/tx.js

@@ -1463,7 +1463,7 @@ TX.prototype.hasPrevout = function hasPrevout() {
 TX.prototype.fillPrevout = function fillPrevout(txs, unspent) {
   var inputs;
 
-  if (txs instanceof bcoin.txPool) {
+  if (txs instanceof bcoin.txpool) {
     unspent = txs._unspent;
     txs = txs._all;
   } else if (txs instanceof bcoin.wallet) {

lib/bcoin/wallet.js

@@ -46,6 +46,7 @@ function Wallet(options) {
     options.master = bcoin.hd.privateKey();
 
   this.options = options;
+  this.db = options.db || new bcoin.walletdb({ type: 'file' });
   this.addresses = [];
   this.master = options.master || null;
   this.addressMap = options.addressMap || {};
@@ -133,14 +134,7 @@ Wallet.prototype._init = function _init() {
   assert(this.changeAddress.change);
 
   this.id = this.getID();
-  this.file = options.file;
-
-  if (!this.file || this.file === true) {
-    this.file = bcoin.dir + '/wallet-'
-      + this.id + '-' + network.type + '.json';
-  }
-
-  this.tx = new bcoin.txPool(this);
+  this.tx = new bcoin.txpool(this);
 
   // Notify owners about new accepted transactions
   this.tx.on('update', function(lastTs, lastHeight, tx) {
@@ -175,9 +169,10 @@ Wallet.prototype._init = function _init() {
   this.lastTs = this.tx._lastTs;
   this.lastHeight = this.tx._lastHeight;
 
-  this.saveFile();
+  this.save(function(err) {
+    if (err)
+      throw err;
 
-  utils.nextTick(function() {
     self.loading = false;
     self.emit('load', self.lastTs);
   });
@@ -915,117 +910,13 @@ Wallet.fromJSON = function fromJSON(json, passphrase) {
   return new Wallet(Wallet._fromJSON(json, passphrase));
 };
 
-Wallet.prototype.saveFile = function saveFile(callback) {
+Wallet.prototype.save = function save(callback) {
   callback = utils.asyncify(callback);
 
-  if (!this.options.file)
+  if (!this.options.store && !this.options.db)
     return callback();
 
-  return this.toFile(this.file, this.options.passphrase, callback);
-};
-
-Wallet.prototype.toFile = function toFile(file, callback) {
-  var json, options;
-
-  if (typeof file === 'function') {
-    callback = file;
-    file = null;
-  }
-
-  if (!file)
-    file = this.file;
-
-  callback = utils.asyncify(callback);
-
-  if (!bcoin.fs)
-    return callback();
-
-  json = JSON.stringify(this.toJSON(this.options.passphrase), null, 2);
-
-  options = {
-    encoding: 'utf8',
-    mode: 0o600
-  };
-
-  fs.writeFile(file, json, options, function(err) {
-    if (err)
-      return callback(err);
-
-    return callback(null, file);
-  });
-};
-
-Wallet._fromFile = function _fromFile(file, passphrase, callback) {
-  if (typeof passphrase === 'function') {
-    callback = passphrase;
-    passphrase = null;
-  }
-
-  callback = utils.asyncify(callback);
-
-  if (!bcoin.fs)
-    return callback();
-
-  if (!file)
-    return callback();
-
-  fs.readFile(file, 'utf8', function(err, json) {
-    var options;
-
-    if (err && err.code === 'ENOENT')
-      return callback();
-
-    if (err)
-      return callback(err);
-
-    try {
-      options = Wallet._fromJSON(JSON.parse(json));
-    } catch (e) {
-      return callback(e);
-    }
-
-    return callback(null, options);
-  });
-};
-
-Wallet.fromFile = function fromFile(file, passphrase, callback) {
-  if (typeof passphrase === 'function') {
-    callback = passphrase;
-    passphrase = null;
-  }
-
-  return Wallet._fromFile(file, passphrase, function(err, options) {
-    if (err)
-      return callback(err);
-
-    if (!options)
-      return callback();
-
-    return callback(null, new Wallet(options));
-  });
-};
-
-Wallet.load = function load(options, callback) {
-  var file;
-
-  if (options.id) {
-    file = bcoin.dir + '/wallet-'
-      + options.id + '-' + network.type + '.json';
-    options.file = true;
-  }
-
-  if (typeof options.file === 'string')
-    file = options.file;
-
-  return Wallet.fromFile(file, options.passphrase, function(err, wallet) {
-    if (err)
-      return callback(err);
-
-    if (!wallet)
-      wallet = new Wallet(options);
-
-    return callback(null, wallet);
-  });
+  return this.db.save(this.id, this, callback);
 };
 
 /**

lib/bcoin/walletdb.js

@@ -0,0 +1,289 @@
+/**
+ * walletdb.js - storage for wallets
+ * Copyright (c) 2014-2015, Fedor Indutny (MIT License)
+ * https://github.com/indutny/bcoin
+ */
+
+var inherits = require('inherits');
+var EventEmitter = require('events').EventEmitter;
+
+var bcoin = require('../bcoin');
+var levelup = require('levelup');
+var bn = require('bn.js');
+var constants = bcoin.protocol.constants;
+var network = bcoin.protocol.network;
+var utils = bcoin.utils;
+var assert = utils.assert;
+var fs = bcoin.fs;
+
+/**
+ * WalletDB
+ */
+
+function WalletDB(options) {
+  if (!(this instanceof WalletDB))
+    return new WalletDB(options);
+
+  if (WalletDB.global)
+    return WalletDB.global;
+
+  if (!options)
+    options = {};
+
+  EventEmitter.call(this);
+
+  this.options = options;
+  this.file = options.file;
+
+  if (!this.file)
+    this.file = bcoin.dir + '/wallet-' + network.type + '.db';
+
+  if (!this.dir)
+    this.dir = bcoin.dir + '/wallet-' + network.type;
+
+  if (!this.type)
+    this.type = 'file';
+
+  WalletDB.global = this;
+
+  this._init();
+}
+
+inherits(WalletDB, EventEmitter);
+
+WalletDB._db = {};
+
+WalletDB.prototype._init = function _init() {
+  if (this.type === 'file' && !bcoin.fs) {
+    this.type = 'leveldb';
+    utils.debug('`fs` module not available. Falling back to leveldb.');
+  }
+
+  if (this.type === 'file') {
+    if (bcoin.fs) {
+      try {
+        bcoin.fs.statSync(this.dir, 0o750);
+      } catch (e) {
+        bcoin.fs.mkdirSync(this.dir);
+      }
+    }
+    if (+process.env.BCOIN_FRESH === 1) {
+      try {
+        bcoin.fs.readdirSync(this.dir).forEach(function(file) {
+          bcoin.fs.unlinkSync(this.dir + '/' + file);
+        }, this);
+      } catch (e) {
+        ;
+      }
+    }
+    return;
+  }
+
+  if (this.type === 'leveldb') {
+    if (!WalletDB._db[this.file]) {
+      WalletDB._db[this.file] = new levelup(this.file, {
+        keyEncoding: 'ascii',
+        valueEncoding: 'json',
+        createIfMissing: true,
+        errorIfExists: false,
+        compression: true,
+        cacheSize: 1 * 1024 * 1024,
+        writeBufferSize: 1 * 1024 * 1024,
+        // blockSize: 4 * 1024,
+        maxOpenFiles: 1024,
+        // blockRestartInterval: 16,
+        db: bcoin.isBrowser
+          ? require('memdown')
+          : require('level' + 'down')
+      });
+    }
+    this.db = WalletDB._db[this.file];
+    return;
+  }
+
+  throw new Error('Unknown storage type: ' + this.type);
+};
+
+WalletDB.prototype.save = function save(id, json, callback) {
+  callback = utils.asyncify(callback);
+
+  if (this.type === 'leveldb')
+    return this.saveDB(id, json, callback);
+
+  if (this.type === 'file')
+    return this.saveFile(id, json, callback);
+
+  throw new Error('Unknown storage type: ' + this.type);
+};
+
+WalletDB.prototype.saveDB = function saveFile(id, json, callback) {
+  var key;
+
+  key = 'w/' + id;
+
+  if (json instanceof bcoin.wallet) {
+    json.store = true;
+    json.db = this;
+    json = json.toJSON(this.options.noPool);
+  }
+
+  callback = utils.asyncify(callback);
+
+  this.db.put(key, json, callback);
+};
+
+WalletDB.prototype.saveFile = function saveFile(id, json, callback) {
+  var file, options;
+
+  file = this.dir + '/' + id + '.json';
+
+  if (json instanceof bcoin.wallet) {
+    json.store = true;
+    json.db = this;
+    json = json.toJSON(this.options.noPool);
+  }
+
+  callback = utils.asyncify(callback);
+
+  if (!bcoin.fs)
+    return callback();
+
+  json = JSON.stringify(json, null, 2);
+
+  options = {
+    encoding: 'utf8',
+    mode: 0o600
+  };
+
+  fs.writeFile(file, json, options, function(err) {
+    if (err)
+      return callback(err);
+
+    return callback(null, file);
+  });
+};
+
+WalletDB.prototype.getJSON = function getJSON(id, passphrase, callback) {
+  if (typeof passphrase === 'function') {
+    callback = passphrase;
+    passphrase = null;
+  }
+
+  callback = utils.asyncify(callback);
+
+  if (id instanceof bcoin.wallet) {
+    id = wallet.id;
+    json.store = true;
+    json.db = this;
+  }
+
+  if (this.type === 'leveldb')
+    return this.getDB(id, passphrase, callback);
+
+  if (this.type === 'file')
+    return this.getFile(id, passphrase, callback);
+
+  throw new Error('Unknown storage type: ' + this.type);
+};
+
+WalletDB.prototype.getFile = function getFile(id, passphrase, callback) {
+  var self = this;
+  var file;
+
+  callback = utils.asyncify(callback);
+
+  if (!bcoin.fs)
+    return callback();
+
+  if (!id)
+    return callback();
+
+  file = this.dir + '/' + id + '.json';
+
+  fs.readFile(file, 'utf8', function(err, json) {
+    var options;
+
+    if (err && err.code === 'ENOENT')
+      return callback();
+
+    if (err)
+      return callback(err);
+
+    try {
+      options = bcoin.wallet._fromJSON(JSON.parse(json), passphrase);
+    } catch (e) {
+      return callback(e);
+    }
+
+    options.store = true;
+    options.db = self;
+
+    return callback(null, options);
+  });
+};
+
+WalletDB.prototype.getDB = function getDB(id, passphrase, callback) {
+  var self = this;
+  var key;
+
+  callback = utils.asyncify(callback);
+
+  key = 'w/' + id;
+
+  this.db.get(key, function(err, json) {
+    var options;
+
+    if (err && err.type === 'NotFoundError')
+      return callback();
+
+    if (err)
+      return callback(err);
+
+    try {
+      options = bcoin.wallet._fromJSON(JSON.parse(json), passphrase);
+    } catch (e) {
+      return callback(e);
+    }
+
+    options.store = true;
+    options.db = self;
+
+    return callback(null, options);
+  });
+};
+
+WalletDB.prototype.get = function get(id, passphrase, callback) {
+  callback = utils.asyncify(callback);
+  return this.getJSON(id, passphrase, function(err, options) {
+    if (err)
+      return callback(err);
+
+    if (!options)
+      return callback();
+
+    return callback(null, new bcoin.wallet(options));
+  });
+};
+
+WalletDB.prototype.create = function create(options, callback) {
+  var self = this;
+  callback = utils.asyncify(callback);
+  return this.getJSON(options.id, options.passphrase, function(err, opt) {
+    if (err)
+      return callback(err);
+
+    if (!opt) {
+      options.store = true;
+      options.db = self;
+      return callback(null, new bcoin.wallet(options));
+    }
+
+    return callback(null, new bcoin.wallet(opt));
+  });
+};
+
+/**
+ * Expose
+ */
+
+module.exports = WalletDB;