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@ -31,12 +31,12 @@ var TxProposal = require('./model/txproposal'); |
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*/ |
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function CopayServer(opts) { |
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opts = opts || {}; |
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this.storage = opts.storage || new Storage(); |
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this.storage = opts.storage || new Storage(); |
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}; |
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inherits(CopayServer, events.EventEmitter); |
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CopayServer._emit = function (event) { |
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CopayServer._emit = function(event) { |
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var args = Array.prototype.slice.call(arguments); |
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log.debug('Emitting: ', args); |
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this.emit.apply(this, arguments); |
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@ -52,8 +52,9 @@ CopayServer._emit = function (event) { |
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* @param {string} opts.pubKey - Public key to verify copayers joining have access to the wallet secret. |
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* @param {string} [opts.network = 'livenet'] - The Bitcoin network for this wallet. |
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*/ |
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CopayServer.prototype.createWallet = function (opts, cb) { |
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var self = this, pubKey; |
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CopayServer.prototype.createWallet = function(opts, cb) { |
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var self = this, |
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pubKey; |
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Utils.checkRequired(opts, ['id', 'name', 'm', 'n', 'pubKey']); |
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if (!Wallet.verifyCopayerLimits(opts.m, opts.n)) return cb('Incorrect m or n value'); |
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@ -66,7 +67,7 @@ CopayServer.prototype.createWallet = function (opts, cb) { |
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return cb(e.toString()); |
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}; |
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self.storage.fetchWallet(opts.id, function (err, wallet) { |
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self.storage.fetchWallet(opts.id, function(err, wallet) { |
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if (err) return cb(err); |
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if (wallet) return cb('Wallet already exists'); |
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@ -89,10 +90,10 @@ CopayServer.prototype.createWallet = function (opts, cb) { |
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* @param {string} opts.id - The wallet id. |
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* @returns {Object} wallet |
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*/ |
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CopayServer.prototype.getWallet = function (opts, cb) { |
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CopayServer.prototype.getWallet = function(opts, cb) { |
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var self = this; |
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self.storage.fetchWallet(opts.id, function (err, wallet) { |
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self.storage.fetchWallet(opts.id, function(err, wallet) { |
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if (err) return cb(err); |
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if (!wallet) return cb('Wallet not found'); |
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return cb(null, wallet); |
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@ -119,13 +120,15 @@ CopayServer.prototype._verifySignature = function(text, signature, pubKey) { |
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* @param {number} opts.xPubKey - Extended Public Key for this copayer. |
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* @param {number} opts.xPubKeySignature - Signature of xPubKey using the wallet pubKey. |
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*/ |
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CopayServer.prototype.joinWallet = function (opts, cb) { |
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CopayServer.prototype.joinWallet = function(opts, cb) { |
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var self = this; |
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Utils.checkRequired(opts, ['walletId', 'id', 'name', 'xPubKey', 'xPubKeySignature']); |
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Utils.runLocked(opts.walletId, cb, function (cb) { |
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self.getWallet({ id: opts.walletId }, function (err, wallet) { |
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Utils.runLocked(opts.walletId, cb, function(cb) { |
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self.getWallet({ |
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id: opts.walletId |
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}, function(err, wallet) { |
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if (err) return cb(err); |
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if (!self._verifySignature(opts.xPubKey, opts.xPubKeySignature, wallet.pubKey)) { |
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@ -147,7 +150,7 @@ CopayServer.prototype._verifySignature = function(text, signature, pubKey) { |
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wallet.addCopayer(copayer); |
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self.storage.storeWallet(wallet, function (err) { |
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self.storage.storeWallet(wallet, function(err) { |
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return cb(err); |
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}); |
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}); |
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@ -164,14 +167,16 @@ CopayServer.prototype._verifySignature = function(text, signature, pubKey) { |
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* @param {truthy} opts.isChange - Indicates whether this is a regular address or a change address. |
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* @returns {Address} address |
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*/ |
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CopayServer.prototype.createAddress = function (opts, cb) { |
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CopayServer.prototype.createAddress = function(opts, cb) { |
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var self = this; |
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var isChange = opts.isChange || false; |
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Utils.checkRequired(opts, ['walletId', 'isChange']); |
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Utils.runLocked(opts.walletId, cb, function (cb) { |
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self.getWallet({ id: opts.walletId }, function (err, wallet) { |
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Utils.runLocked(opts.walletId, cb, function(cb) { |
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self.getWallet({ |
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id: opts.walletId |
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}, function(err, wallet) { |
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if (err) return cb(err); |
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var copayer = wallet.copayers[0]; // TODO: Assign copayer from authentication.
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@ -202,12 +207,14 @@ CopayServer.prototype._verifySignature = function(text, signature, pubKey) { |
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* @param {string} opts.signature - The signature of message to verify. |
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* @returns {truthy} The result of the verification. |
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*/ |
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CopayServer.prototype.verifyMessageSignature = function (opts, cb) { |
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CopayServer.prototype.verifyMessageSignature = function(opts, cb) { |
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var self = this; |
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Utils.checkRequired(opts, ['walletId', 'copayerId', 'message', 'signature']); |
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self.getWallet({ id: opts.walletId }, function (err, wallet) { |
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self.getWallet({ |
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id: opts.walletId |
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}, function(err, wallet) { |
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if (err) return cb(err); |
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var copayer = wallet.getCopayer(opts.copayerId); |
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@ -219,7 +226,7 @@ CopayServer.prototype.verifyMessageSignature = function (opts, cb) { |
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}; |
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CopayServer.prototype._getBlockExplorer = function (provider, network) { |
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CopayServer.prototype._getBlockExplorer = function(provider, network) { |
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var url; |
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switch (provider) { |
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@ -239,33 +246,37 @@ CopayServer.prototype._getBlockExplorer = function (provider, network) { |
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} |
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}; |
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CopayServer.prototype._getUtxos = function (opts, cb) { |
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CopayServer.prototype._getUtxos = function(opts, cb) { |
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var self = this; |
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// Get addresses for this wallet
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self.storage.fetchAddresses(opts.walletId, function (err, addresses) { |
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self.storage.fetchAddresses(opts.walletId, function(err, addresses) { |
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if (err) return cb(err); |
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if (addresses.length == 0) return cb('The wallet has no addresses'); |
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var addresses = _.pluck(addresses, 'address'); |
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var bc = self._getBlockExplorer('insight', opts.network); |
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bc.getUnspentUtxos(addresses, function (err, utxos) { |
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bc.getUnspentUtxos(addresses, function(err, utxos) { |
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if (err) return cb(err); |
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self.getPendingTxs({ walletId: opts.walletId }, function (err, txps) { |
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self.getPendingTxs({ |
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walletId: opts.walletId |
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}, function(err, txps) { |
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if (err) return cb(err); |
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var inputs = _.chain(txps) |
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.pluck('inputs') |
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.flatten() |
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.map(function (utxo) { return utxo.txid + '|' + utxo.vout }); |
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.map(function(utxo) { |
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return utxo.txid + '|' + utxo.vout |
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}); |
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var dictionary = _.groupBy(utxos, function (utxo) { |
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var dictionary = _.groupBy(utxos, function(utxo) { |
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return utxo.txid + '|' + utxo.vout; |
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}); |
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_.each(inputs, function (input) { |
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_.each(inputs, function(input) { |
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if (dictionary[input]) { |
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dictionary[input].locked = true; |
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} |
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@ -283,17 +294,25 @@ CopayServer.prototype._getUtxos = function (opts, cb) { |
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* @param {string} opts.walletId - The wallet id. |
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* @returns {Object} balance - Total amount & locked amount. |
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*/ |
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CopayServer.prototype.getBalance = function (opts, cb) { |
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CopayServer.prototype.getBalance = function(opts, cb) { |
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var self = this; |
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Utils.checkRequired(opts, 'walletId'); |
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self._getUtxos({ walletId: opts.walletId }, function (err, utxos) { |
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self._getUtxos({ |
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walletId: opts.walletId |
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}, function(err, utxos) { |
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if (err) return cb(err); |
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var balance = {}; |
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balance.totalAmount = _.reduce(utxos, function(sum, utxo) { return sum + utxo.amount; }, 0); |
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balance.lockedAmount = _.reduce(_.without(utxos, { locked: true }), function(sum, utxo) { return sum + utxo.amount; }, 0); |
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balance.totalAmount = _.reduce(utxos, function(sum, utxo) { |
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return sum + utxo.amount; |
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}, 0); |
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balance.lockedAmount = _.reduce(_.without(utxos, { |
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locked: true |
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}), function(sum, utxo) { |
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return sum + utxo.amount; |
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}, 0); |
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return cb(null, balance); |
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}); |
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@ -336,18 +355,24 @@ CopayServer.prototype._selectUtxos = function(txp, utxos) { |
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* @param {string} opts.message - A message to attach to this transaction. |
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* @returns {TxProposal} Transaction proposal. |
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*/ |
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CopayServer.prototype.createTx = function (opts, cb) { |
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CopayServer.prototype.createTx = function(opts, cb) { |
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var self = this; |
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Utils.checkRequired(opts, ['walletId', 'copayerId', 'toAddress', 'amount', 'message']); |
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self.getWallet({ id: opts.walletId }, function (err, wallet) { |
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self.getWallet({ |
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id: opts.walletId |
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}, function(err, wallet) { |
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if (err) return cb(err); |
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self._getUtxos({ walletId: wallet.id }, function (err, utxos) { |
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self._getUtxos({ |
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walletId: wallet.id |
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}, function(err, utxos) { |
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if (err) return cb(err); |
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utxos = _.without(utxos, { locked: true }); |
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utxos = _.without(utxos, { |
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locked: true |
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}); |
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var txp = new TxProposal({ |
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creatorId: opts.copayerId, |
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@ -361,7 +386,7 @@ CopayServer.prototype.createTx = function (opts, cb) { |
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txp.rawTx = self._createRawTx(txp); |
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self.storage.storeTx(wallet.id, txp, function (err) { |
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self.storage.storeTx(wallet.id, txp, function(err) { |
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if (err) return cb(err); |
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return cb(null, txp); |
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@ -370,9 +395,9 @@ CopayServer.prototype.createTx = function (opts, cb) { |
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}); |
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}; |
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CopayServer.prototype._broadcastTx = function (rawTx, cb) { |
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CopayServer.prototype._broadcastTx = function(rawTx, cb) { |
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// TODO: this should attempt to broadcast _all_ accepted and not-yet broadcasted (status=='accepted') txps?
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cb = cb || function () {}; |
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cb = cb || function() {}; |
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throw 'not implemented'; |
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}; |
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@ -385,29 +410,31 @@ CopayServer.prototype._broadcastTx = function (rawTx, cb) { |
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* @param {string} opts.txProposalId - The identifier of the transaction. |
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* @param {string} opts.signature - The signature of the tx for this copayer. |
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*/ |
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CopayServer.prototype.signTx = function (opts, cb) { |
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CopayServer.prototype.signTx = function(opts, cb) { |
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var self = this; |
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Utils.checkRequired(opts, ['walletId', 'copayerId', 'txProposalId', 'signature']); |
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self.fetchTx(opts.walletId, opts.txProposalId, function (err, txp) { |
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self.fetchTx(opts.walletId, opts.txProposalId, function(err, txp) { |
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if (err) return cb(err); |
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if (!txp) return cb('Transaction proposal not found'); |
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var action = _.find(txp.actions, { copayerId: opts.copayerId }); |
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var action = _.find(txp.actions, { |
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copayerId: opts.copayerId |
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}); |
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if (action) return cb('Copayer already voted on this transaction proposal'); |
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if (txp.status != 'pending') return cb('The transaction proposal is not pending'); |
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txp.sign(opts.copayerId, opts.signature); |
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self.storage.storeTx(opts.walletId, txp, function (err) { |
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self.storage.storeTx(opts.walletId, txp, function(err) { |
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if (err) return cb(err); |
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if (txp.status == 'accepted'); |
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self._broadcastTx(txp.rawTx, function (err, txid) { |
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self._broadcastTx(txp.rawTx, function(err, txid) { |
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if (err) return cb(err); |
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tx.setBroadcasted(txid); |
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self.storage.storeTx(opts.walletId, txp, function (err) { |
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self.storage.storeTx(opts.walletId, txp, function(err) { |
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if (err) return cb(err); |
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return cb(); |
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@ -425,21 +452,23 @@ CopayServer.prototype.signTx = function (opts, cb) { |
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* @param {string} opts.txProposalId - The identifier of the transaction. |
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* @param {string} [opts.reason] - A message to other copayers explaining the rejection. |
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*/ |
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CopayServer.prototype.rejectTx = function (opts, cb) { |
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CopayServer.prototype.rejectTx = function(opts, cb) { |
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var self = this; |
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Utils.checkRequired(opts, ['walletId', 'copayerId', 'txProposalId']); |
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self.fetchTx(opts.walletId, opts.txProposalId, function (err, txp) { |
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self.fetchTx(opts.walletId, opts.txProposalId, function(err, txp) { |
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if (err) return cb(err); |
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if (!txp) return cb('Transaction proposal not found'); |
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var action = _.find(txp.actions, { copayerId: opts.copayerId }); |
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var action = _.find(txp.actions, { |
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copayerId: opts.copayerId |
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}); |
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if (action) return cb('Copayer already voted on this transaction proposal'); |
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if (txp.status != 'pending') return cb('The transaction proposal is not pending'); |
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txp.reject(opts.copayerId); |
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self.storage.storeTx(opts.walletId, txp, function (err) { |
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self.storage.storeTx(opts.walletId, txp, function(err) { |
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if (err) return cb(err); |
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return cb(); |
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@ -453,15 +482,17 @@ CopayServer.prototype.rejectTx = function (opts, cb) { |
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* @param {string} opts.walletId - The wallet id. |
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* @returns {TxProposal[]} Transaction proposal. |
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*/ |
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CopayServer.prototype.getPendingTxs = function (opts, cb) { |
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CopayServer.prototype.getPendingTxs = function(opts, cb) { |
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var self = this; |
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Utils.checkRequired(opts, 'walletId'); |
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self.storage.fetchTxs(opts.walletId, function (err, txps) { |
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self.storage.fetchTxs(opts.walletId, function(err, txps) { |
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if (err) return cb(err); |
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var pending = _.filter(txps, { status: 'pending' }); |
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var pending = _.filter(txps, { |
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status: 'pending' |
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}); |
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return cb(null, pending); |
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}); |
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}; |
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