mirror of https://github.com/BTCPrivate/copay.git
100 lines
3.5 KiB
JavaScript
100 lines
3.5 KiB
JavaScript
'use strict';
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var bitcore = require('bitcore');
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angular.module('copayApp.services')
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.factory('balanceService', function($rootScope, $filter, $timeout, rateService) {
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var root = {};
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var _balanceCache = {};
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root.clearBalanceCache = function(w) {
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w.clearUnspentCache();
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delete _balanceCache[w.getId()];
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};
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root._fetchBalance = function(w, cb) {
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cb = cb || function() {};
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var satToUnit = 1 / w.settings.unitToSatoshi;
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var COIN = bitcore.util.COIN;
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w.getBalance(function(err, balanceSat, balanceByAddrSat, safeBalanceSat, safeUnspentCount) {
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if (err) return cb(err);
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var r = {};
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r.totalBalance = $filter('noFractionNumber')(balanceSat * satToUnit);
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r.totalBalanceBTC = (balanceSat / COIN);
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var availableBalanceNr = safeBalanceSat * satToUnit;
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r.availableBalance = $filter('noFractionNumber')(safeBalanceSat * satToUnit);
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r.availableBalanceBTC = (safeBalanceSat / COIN);
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r.safeUnspentCount = safeUnspentCount;
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var lockedBalance = (balanceSat - safeBalanceSat) * satToUnit;
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r.lockedBalance = lockedBalance ? $filter('noFractionNumber')(lockedBalance) : null;
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r.lockedBalanceBTC = (balanceSat - safeBalanceSat) / COIN;
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if (r.safeUnspentCount) {
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var estimatedFee = copay.Wallet.estimatedFee(r.safeUnspentCount);
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r.topAmount = (((availableBalanceNr * w.settings.unitToSatoshi).toFixed(0) - estimatedFee) / w.settings.unitToSatoshi);
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}
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var balanceByAddr = {};
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for (var ii in balanceByAddrSat) {
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balanceByAddr[ii] = balanceByAddrSat[ii] * satToUnit;
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}
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r.balanceByAddr = balanceByAddr;
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if (rateService.isAvailable()) {
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var totalBalanceAlternative = rateService.toFiat(balanceSat, w.settings.alternativeIsoCode);
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var lockedBalanceAlternative = rateService.toFiat(balanceSat - safeBalanceSat, w.settings.alternativeIsoCode);
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var alternativeConversionRate = rateService.toFiat(100000000, w.settings.alternativeIsoCode);
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r.totalBalanceAlternative = $filter('noFractionNumber')(totalBalanceAlternative, 2);
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r.lockedBalanceAlternative = $filter('noFractionNumber')(lockedBalanceAlternative, 2);
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r.alternativeConversionRate = $filter('noFractionNumber')(alternativeConversionRate, 2);
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r.alternativeBalanceAvailable = true;
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r.alternativeIsoCode = w.settings.alternativeIsoCode;
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};
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r.updatingBalance = false;
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return cb(null, r)
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});
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};
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root.update = function(w, cb, isFocused) {
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w = w || $rootScope.wallet;
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if (!w || !w.isComplete()) return;
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copay.logger.debug('Updating balance of:', w.getName(), isFocused);
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var wid = w.getId();
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// cache available? Set the cached values until we updated them
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if (_balanceCache[wid]) {
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w.balanceInfo = _balanceCache[wid];
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} else {
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if (isFocused)
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$rootScope.updatingBalance = true;
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}
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w.balanceInfo = w.balanceInfo || {};
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w.balanceInfo.updating = true;
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root._fetchBalance(w, function(err, res) {
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if (err) throw err;
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w.balanceInfo = _balanceCache[wid] = res;
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w.balanceInfo.updating = false;
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if (isFocused) {
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$rootScope.updatingBalance = false;
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}
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// we alwalys calltimeout because if balance is cached, we are still on the same
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// execution path
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if (cb) $timeout(function() {
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return cb();
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}, 1);
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});
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};
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return root;
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});
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