Merge pull request #1468 from isocolsky/ref/storage

Refactor wallet storage
This commit is contained in:
Matias Alejo Garcia 2014-09-25 08:17:24 -03:00
commit be72a2b77a
4 changed files with 456 additions and 193 deletions

View file

@ -94,7 +94,6 @@ Storage.prototype.getGlobal = function(k, cb) {
// set value for key
Storage.prototype.setGlobal = function(k, v, cb) {
preconditions.checkArgument(cb);
this.storage.setItem(k, typeof v === 'object' ? JSON.stringify(v) : v, cb);
};
@ -123,16 +122,6 @@ Storage.prototype.setSessionId = function(sessionId, cb) {
this.sessionStorage.setItem('sessionId', sessionId, cb);
};
Storage.prototype._key = function(walletId, k) {
return walletId + '::' + k;
};
// get value by key
Storage.prototype.get = function(walletId, k, cb) {
preconditions.checkArgument(walletId, k, cb);
this._read(this._key(walletId, k), cb);
};
Storage.prototype._readHelper = function(walletId, k, cb) {
var wk = this._key(walletId, k);
this._read(wk, function(v) {
@ -140,6 +129,38 @@ Storage.prototype._readHelper = function(walletId, k, cb) {
});
};
Storage.prototype.readWallet_Old = function(walletId, cb) {
var self = this;
this.storage.allKeys(function(allKeys) {
var obj = {};
var keys = _.filter(allKeys, function(k) {
if (k.indexOf(walletId + '::') === 0) return true;
});
if (keys.length === 0) return cb(new Error('Wallet ' + walletId + ' not found'));
var count = keys.length;
_.each(keys, function(k) {
self._read(k, function(v) {
obj[k.split('::')[1]] = v;
if (--count === 0) return cb(null, obj);
})
});
});
};
Storage.prototype.readWallet = function(walletId, cb) {
var self = this;
this.storage.allKeys(function(allKeys) {
var keys = _.filter(allKeys, function(k) {
if ((k === 'wallet::' + walletId) || k.indexOf('wallet::' + walletId) === 0) return true;
});
if (keys.length === 0) return cb(new Error('Wallet ' + walletId + ' not found'));
self._read(keys[0], function(v) {
if (_.isNull(v)) return cb(new Error('Could not decrypt wallet data'));
return cb(null, v);
})
});
};
Storage.prototype.getMany = function(walletId, keys, cb) {
preconditions.checkArgument(cb);
@ -159,32 +180,7 @@ Storage.prototype.getMany = function(walletId, keys, cb) {
}
};
// set value for key
Storage.prototype.set = function(walletId, k, v, cb) {
preconditions.checkArgument(walletId && k && cb);
if (_.isUndefined(v)) return cb();
this._write(this._key(walletId, k), v, cb);
};
// remove value for key
Storage.prototype.remove = function(walletId, k, cb) {
preconditions.checkArgument(walletId && k && cb);
this.removeGlobal(this._key(walletId, k), cb);
};
Storage.prototype.setName = function(walletId, name, cb) {
preconditions.checkArgument(walletId && name && cb);
this.setGlobal('nameFor::' + walletId, name, cb);
};
Storage.prototype.getName = function(walletId, cb) {
preconditions.checkArgument(walletId && cb);
this.getGlobal('nameFor::' + walletId, cb);
};
Storage.prototype.getWalletIds = function(cb) {
Storage.prototype._getWalletIds = function(cb) {
preconditions.checkArgument(cb);
var walletIds = [];
var uniq = {};
@ -195,7 +191,7 @@ Storage.prototype.getWalletIds = function(cb) {
if (split.length == 2) {
var walletId = split[0];
if (!walletId || walletId === 'nameFor' || walletId === 'lock')
if (!walletId || walletId === 'nameFor' || walletId === 'lock' || walletId === 'wallet')
continue;
if (typeof uniq[walletId] === 'undefined') {
@ -208,7 +204,7 @@ Storage.prototype.getWalletIds = function(cb) {
});
};
Storage.prototype.getWallets = function(cb) {
Storage.prototype.getWallets_Old = function(cb) {
preconditions.checkArgument(cb);
if (this.wListCache.ts > Date.now())
@ -217,14 +213,14 @@ Storage.prototype.getWallets = function(cb) {
var wallets = [];
var self = this;
this.getWalletIds(function(ids) {
this._getWalletIds(function(ids) {
var l = ids.length,
i = 0;
if (!l)
return cb([]);
_.each(ids, function(id) {
self.getName(id, function(name) {
self.getGlobal('nameFor::' + id, function(name) {
wallets.push({
id: id,
name: name,
@ -239,7 +235,43 @@ Storage.prototype.getWallets = function(cb) {
});
};
Storage.prototype.deleteWallet = function(walletId, cb) {
Storage.prototype.getWallets2 = function(cb) {
var self = this;
var re = /wallet::([^_]+)(_?(.*))/;
this.storage.allKeys(function(allKeys) {
var wallets = _.compact(_.map(allKeys, function(key) {
if (key.indexOf('wallet::') !== 0)
return null;
var match = key.match(re);
if (match.length != 4)
return null;
return {
id: match[1],
name: match[3] ? match[3] : undefined,
};
}));
return cb(wallets);
});
};
Storage.prototype.getWallets = function(cb) {
var self = this;
self.getWallets2(function(wallets) {
self.getWallets_Old(function(wallets2) {
var ids = _.pluck(wallets, 'id');
_.each(wallets2, function(w) {
if (!_.contains(ids, w.id))
wallets.push(w);
});
return cb(wallets);
});
})
};
Storage.prototype.deleteWallet_Old = function(walletId, cb) {
preconditions.checkArgument(walletId);
preconditions.checkArgument(cb);
var err;
@ -271,37 +303,44 @@ Storage.prototype.deleteWallet = function(walletId, cb) {
}
});
};
Storage.prototype.deleteWallet = function(walletId, cb) {
preconditions.checkArgument(walletId);
preconditions.checkArgument(cb);
var self = this;
this.getWallets2(function(wallets) {
var w = _.findWhere(wallets, {
id: walletId
});
if (!w)
return cb(new Error('WNOTFOUND: Wallet not found'));
self.removeGlobal('wallet::' + walletId + (w.name ? '_' + w.name : ''), function() {
return cb();
});
});
};
Storage.prototype.setLastOpened = function(walletId, cb) {
this.setGlobal('lastOpened', walletId, cb);
}
};
Storage.prototype.getLastOpened = function(cb) {
this.getGlobal('lastOpened', cb);
}
};
//obj contains keys to be set
Storage.prototype.setFromObj = function(walletId, obj, cb) {
preconditions.checkArgument(cb);
var self = this;
var l = Object.keys(obj).length,
i = 0;
for (var k in obj) {
self.set(walletId, k, obj[k], function() {
if (++i == l) {
if (obj.opts.name)
self.setName(walletId, obj.opts.name, cb);
else
return cb();
}
});
}
var key = 'wallet::' + walletId + ((obj.opts && obj.opts.name) ? '_' + obj.opts.name : '');
self._write(key, obj, function() {
return cb();
});
};
// remove all values
Storage.prototype.clearAll = function(cb) {
this.storage.clear(cb);
@ -317,4 +356,5 @@ Storage.prototype.export = function(obj) {
return this._encrypt(string);
};
module.exports = Storage;

View file

@ -139,6 +139,29 @@ WalletFactory.prototype.import = function(base64, passphrase, skipFields) {
return self.fromEncryptedObj(base64, passphrase, skipFields);
};
WalletFactory.prototype.migrateWallet = function(walletId, passphrase, cb) {
var self = this;
self.storage.setPassphrase(passphrase);
self.read_Old(walletId, null, function(err, wallet) {
if (err) return cb(err);
wallet.store(function(err) {
if (err) return cb(err);
self.storage.deleteWallet_Old(walletId, function(err) {
if (err) return cb(err);
self.storage.removeGlobal('nameFor::' + walletId, function() {
return cb();
});
});
});
});
};
/**
* @desc Retrieve a wallet from storage
* @param {string} walletId - the wallet id
@ -150,10 +173,12 @@ WalletFactory.prototype.read = function(walletId, skipFields, cb) {
err;
var obj = {};
this.storage.getMany(walletId, Wallet.PERSISTED_PROPERTIES, function(ret) {
for (var ii in ret) {
obj[ii] = ret[ii];
}
this.storage.readWallet(walletId, function(err, ret) {
if (err) return cb(err);
_.each(Wallet.PERSISTED_PROPERTIES, function(p) {
obj[p] = ret[p];
});
if (!_.any(_.values(obj)))
return cb(new Error('Wallet not found'));
@ -174,6 +199,36 @@ WalletFactory.prototype.read = function(walletId, skipFields, cb) {
});
};
WalletFactory.prototype.read_Old = function(walletId, skipFields, cb) {
var self = this,
err;
var obj = {};
this.storage.readWallet_Old(walletId, function(err, ret) {
if (err) return cb(err);
_.each(Wallet.PERSISTED_PROPERTIES, function(p) {
obj[p] = ret[p];
});
if (!_.any(_.values(obj)))
return cb(new Error('Wallet not found'));
var w, err;
obj.id = walletId;
try {
w = self.fromObj(obj, skipFields);
} catch (e) {
if (e && e.message && e.message.indexOf('MISSOPTS')) {
err = new Error('Could not read: ' + walletId);
} else {
err = e;
}
w = null;
}
return cb(err, w);
});
};
/**
* @desc This method instantiates a wallet. Usefull for stubbing.
@ -298,12 +353,15 @@ WalletFactory.prototype.open = function(walletId, passphrase, cb) {
preconditions.checkArgument(cb);
var self = this;
self.storage.setPassphrase(passphrase);
self.read(walletId, null, function(err, w) {
if (err) return cb(err);
w.store(function(err) {
self.storage.setLastOpened(walletId, function() {
return cb(err, w);
self.migrateWallet(walletId, passphrase, function() {
self.read(walletId, null, function(err, w) {
if (err) return cb(err);
w.store(function(err) {
self.storage.setLastOpened(walletId, function() {
return cb(err, w);
});
});
});
});
@ -327,10 +385,10 @@ WalletFactory.prototype.getWallets = function(cb) {
* @return {?} the result of the callback
*/
WalletFactory.prototype.delete = function(walletId, cb) {
var s = this.storage;
s.deleteWallet(walletId, function(err) {
var self = this;
self.storage.deleteWallet(walletId, function(err) {
if (err) return cb(err);
s.setLastOpened(null, function(err) {
self.storage.setLastOpened(null, function(err) {
return cb(err);
});
});