bitcore-wallet-service/lib/storage.js

155 lines
3.7 KiB
JavaScript

'use strict';
var _ = require('lodash');
var levelup = require('levelup');
var $ = require('preconditions').singleton();
var async = require('async');
var log = require('npmlog');
log.debug = log.verbose;
var Wallet = require('./model/wallet');
var Copayer = require('./model/copayer');
var Address = require('./model/address');
var TxProposal = require('./model/txproposal');
var Storage = function(opts) {
opts = opts || {};
this.db = opts.db || levelup(opts.dbPath || './db/copay.db', {
valueEncoding: 'json'
});
};
Storage.prototype.fetchWallet = function(id, cb) {
this.db.get('wallet-' + id, function(err, data) {
if (err) {
if (err.notFound) return cb();
return cb(err);
}
return cb(null, Wallet.fromObj(data));
});
};
Storage.prototype.storeWallet = function(wallet, cb) {
this.db.put('wallet-' + wallet.id, wallet, cb);
};
<< << << < HEAD
Storage.prototype.storeWalletAndUpdateCopayersLookup = function(wallet, cb) {
var ops = [];
ops.push({
type: 'put',
key: 'wallet-' + wallet.id,
value: wallet
});
_.each(wallet.copayers, function(copayer) {
var value = {
walletId: wallet.id,
signingPubKey: copayer.signingPubKey,
};
ops.push({
type: 'put',
key: 'copayer-' + copayer.id,
value: value
});
});
this.db.batch(ops, cb);
};
Storage.prototype.fetchCopayerLookup = function(copayerId, cb) {
this.db.get('copayer-' + copayerId, function(err, data) {
if (err) {
if (err.notFound) return cb();
return cb(err);
}
return cb(null, data);
});
};
Storage.prototype.fetchTx = function(walletId, txProposalId, cb) {
this.db.get('wallet-' + walletId + '-txp-' + txProposalId, function(err, data) {
if (err) {
if (err.notFound) return cb();
return cb(err);
}
return cb(null, TxProposal.fromObj(data));
});
};
Storage.prototype.fetchTxs = function(walletId, cb) {
var txs = [];
var key = 'wallet-' + walletId + '-txp-';
this.db.createReadStream({
gte: key,
lt: key + '~'
})
.on('data', function(data) {
txs.push(TxProposal.fromObj(data.value));
})
.on('error', function(err) {
if (err.notFound) return cb();
return cb(err);
})
.on('end', function() {
return cb(null, txs);
});
};
Storage.prototype.storeTx = function(walletId, txp, cb) {
var self = this;
async.series([
function(next) {
self.db.put('wallet-' + walletId + '-txp-' + txp.id, txp, next);
},
function(next) {
self.db.put('wallet-' + walletId + '-txp-ts-' + txp.createdOn, txp.id, next);
},
function(next) {
if (txp.isPending())
self.db.put('wallet-' + walletId + '-txp-p-' + txp.createdOn, txp.id, next);
else
self.db.del('wallet-' + walletId + '-txp-p-' + txp.createdOn, next);
}
], cb);
};
Storage.prototype.fetchAddresses = function(walletId, cb) {
var addresses = [];
var key = 'wallet-' + walletId + '-address-';
this.db.createReadStream({
gte: key,
lt: key + '~'
})
.on('data', function(data) {
addresses.push(Address.fromObj(data.value));
})
.on('error', function(err) {
if (err.notFound) return cb();
return cb(err);
})
.on('end', function() {
return cb(null, addresses);
});
};
Storage.prototype.storeAddress = function(walletId, address, cb) {
this.db.put('wallet-' + walletId + '-address-' + address.address, address, cb);
};
Storage.prototype.removeAddress = function(walletId, address, cb) {
this.db.del('wallet-' + walletId + '-address-' + address.address, cb);
};
Storage.prototype._dump = function(cb) {
this.db.readStream()
.on('data', console.log)
.on('end', function() {
if (cb) return cb();
});
};
module.exports = Storage;