WIP
This commit is contained in:
Josh Harvey
parent
0cec3670a9
commit
e12238c4fe
4 changed files with 163 additions and 73 deletions
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@ -18,7 +18,6 @@ var infoPlugin = null;
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var currentlyUsedPlugins = {};
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var cachedConfig = null;
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var deviceCurrency = 'USD';
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@ -33,7 +32,6 @@ var reapTxInterval = null;
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var tradesQueue = [];
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var dispenseStatuses = {};
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// that's basically a constructor
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exports.init = function init(databaseHandle) {
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if (!databaseHandle) {
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@ -43,16 +41,15 @@ exports.init = function init(databaseHandle) {
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db = databaseHandle;
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};
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function loadPlugin(name, config) {
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// plugins definitions
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var moduleMethods = {
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ticker: [ 'ticker' ],
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trader: [ 'balance', 'purchase', 'sell' ],
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wallet: [ 'balance', 'sendBitcoins', 'newAddress' ],
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idVerifier: [ 'verifyUser', 'verifyTransaction' ],
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info: [ 'getAddressLastTx', 'getTx' ]
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ticker: ['ticker'],
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trader: ['balance', 'purchase', 'sell'],
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wallet: ['balance', 'sendBitcoins', 'newAddress'],
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idVerifier: ['verifyUser', 'verifyTransaction'],
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info: ['getAddressLastTx', 'getTx']
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};
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var plugin = null;
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@ -60,67 +57,72 @@ function loadPlugin(name, config) {
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// each used plugin MUST be installed
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try {
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plugin = require('lamassu-' + name);
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} catch(_) {
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throw new Error(name + ' module is not installed. Try running \'npm install --save lamassu-' + name + '\' first');
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} catch (_) {
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throw new Error(name + ' module is not installed. ' +
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'Try running \'npm install --save lamassu-' + name + '\' first');
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}
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// each plugin MUST implement those
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if (typeof plugin.SUPPORTED_MODULES !== 'undefined') {
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if(plugin.SUPPORTED_MODULES === 'string')
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if (plugin.SUPPORTED_MODULES === 'string')
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plugin.SUPPORTED_MODULES = [plugin.SUPPORTED_MODULES];
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}
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if(!(plugin.SUPPORTED_MODULES instanceof Array))
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throw new Error('\'' + name + '\' fails to implement *required* \'SUPPORTED_MODULES\' constant');
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if (!(plugin.SUPPORTED_MODULES instanceof Array))
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throw new Error('\'' + name + '\' fails to implement *required* ' +
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'\'SUPPORTED_MODULES\' constant');
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plugin.SUPPORTED_MODULES.forEach(function(moduleName) {
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moduleMethods[moduleName].forEach(function(methodName) {
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if (typeof plugin[methodName] !== 'function') {
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throw new Error('\'' + name + '\' declares \'' + moduleName + '\', but fails to implement \'' + methodName + '\' method');
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throw new Error('\'' + name + '\' declares \'' + moduleName +
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'\', but fails to implement \'' + methodName + '\' method');
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}
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});
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});
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// each plugin SHOULD implement those
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if (typeof plugin.NAME === 'undefined')
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logger.warn(new Error('\'' + name + '\' fails to implement *recommended* \'NAME\' field'));
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logger.warn(new Error('\'' + name +
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'\' fails to implement *recommended* \'NAME\' field'));
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if (typeof plugin.config !== 'function') {
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logger.warn(new Error('\'' + name + '\' fails to implement *recommended* \'config\' method'));
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logger.warn(new Error('\'' + name +
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'\' fails to implement *recommended* \'config\' method'));
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plugin.config = function() {};
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} else if (config !== null)
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} else if (config !== null) {
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plugin.config(config); // only when plugin supports it, and config is passed
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}
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return plugin;
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}
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function loadOrConfigPlugin(pluginHandle, pluginType, currency, onChangeCallback) {
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function loadOrConfigPlugin(pluginHandle, pluginType, currency,
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onChangeCallback) {
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var currentName = cachedConfig.exchanges.plugins.current[pluginType];
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var pluginChanged = currentlyUsedPlugins[pluginType] !== currentName;
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if (!currentName) pluginHandle = null;
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else { // some plugins may be disabled
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var pluginConfig = cachedConfig.exchanges.plugins.settings[currentName] || {};
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var pluginConfig = cachedConfig.exchanges.plugins.settings[currentName] ||
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{};
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if (currency) pluginConfig.currency = currency;
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if (pluginHandle && !pluginChanged) pluginHandle.config(pluginConfig);
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else {
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pluginHandle = loadPlugin(currentName, pluginConfig);
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logger.debug('plugin(%s) loaded: %s', pluginType, pluginHandle.NAME || currentName);
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logger.debug('plugin(%s) loaded: %s', pluginType, pluginHandle.NAME ||
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currentName);
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}
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}
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if (typeof onChangeCallback === 'function') onChangeCallback(pluginHandle, currency);
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if (typeof onChangeCallback === 'function')
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onChangeCallback(pluginHandle, currency);
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return pluginHandle;
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}
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exports.configure = function configure(config) {
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if (config.exchanges.settings.lowBalanceMargin < 1) {
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throw new Error('\'settings.lowBalanceMargin\' has to be >= 1');
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@ -217,9 +219,10 @@ function reapOutgoingTx(deviceFingerprint, tx) {
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}
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function reapIncomingTx(deviceFingerprint, tx) {
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infoPlugin.checkAddress(tx.toAddress, function(err, status, satoshisReceived) {
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infoPlugin.checkAddress(tx.toAddress, function(err, status,
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satoshisReceived) {
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if (status === 'notSeen') return;
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db.addIngoingTx(deviceFingerprint, tx, status, satoshisReceived);
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db.addIncomingTx(deviceFingerprint, tx, status, satoshisReceived);
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});
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}
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@ -277,7 +280,6 @@ exports.sendBitcoins = function sendBitcoins(deviceFingerprint, rawTx, cb) {
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executeTx(deviceFingerprint, rawTx, cb);
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};
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// sets given status both "locally" (dispenseStatuses) and saves to db
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function _setDispenseStatus(deviceFingerprint, tx, status, deposit) {
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tx.status = status;
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@ -313,14 +315,10 @@ exports.cashOut = function cashOut(deviceFingerprint, tx, cb) {
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account: 'deposit'
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};
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walletPlugin.newAddress(tmpInfo, function(err, address) {
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if (err)
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return cb(new Error(err));
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if (err) return cb(err);
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tx.toAddress = address;
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tx.incoming = true;
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db.addPendingTx(deviceFingerprint, tx, function(err) {
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cb(err, address);
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db.addInitialIncoming(deviceFingerprint, tx, address, function(_err) {
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cb(_err, address);
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});
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});
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};
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@ -333,7 +331,6 @@ exports.dispenseStatus = function dispenseStatus(deviceFingerprint) {
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return dispenseStatuses[deviceFingerprint];
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};
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exports.fiatBalance = function fiatBalance() {
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var rawRate = exports.getDeviceRate().rates.ask;
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var commission = cachedConfig.exchanges.settings.commission;
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@ -357,12 +354,12 @@ exports.fiatBalance = function fiatBalance() {
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// Unit validity proof: [ $ ] = [ (B * 10^8) / 10^8 * $/B ]
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// [ $ ] = [ B * $/B ]
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// [ $ ] = [ $ ]
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var fiatTransferBalance = ((transferBalance / SATOSHI_FACTOR) * rate) / lowBalanceMargin;
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var fiatTransferBalance = ((transferBalance / SATOSHI_FACTOR) * rate) /
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lowBalanceMargin;
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return fiatTransferBalance;
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};
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/*
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* Polling livecycle
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*/
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@ -401,7 +398,6 @@ function stopTrader() {
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}
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}
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function pollBalance(cb) {
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logger.debug('collecting balance');
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@ -446,7 +442,6 @@ function pollRate(cb) {
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});
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}
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/*
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* Getters | Helpers
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*/
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@ -515,7 +510,6 @@ function executeTrades() {
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});
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}
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/*
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* ID Verifier functions
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*/
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