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https://github.com/LBRYFoundation/lbry-wunderbot.git
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filipnyquist
GitHub
commit
f6741191ea
1 changed files with 203 additions and 0 deletions
203
bot/modules/price.js
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203
bot/modules/price.js
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'use strict';
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var jp = require('jsonpath');
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var moment = require('moment');
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var numeral = require('numeral');
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var request = require('request');
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exports.commands = [
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"price"
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]
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exports.price = {
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usage: "<currency> <amount>",
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description: 'displays price of lbc',
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process: function(bot,msg,suffix){
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var ChannelID = '369896313082478594'
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var options = {
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defaultCurrency: 'USD',
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// supported currencies and api steps to arrive at the final value
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currencies: {
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USD: { steps: ['LBCBTC', 'BTCUSD'], format: '$0,0.00', sign: 'USD ' },
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GBP: { steps: ['LBCBTC', 'BTCGBP'], format: '£0,0.00', sign: '£' },
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AUD: { steps: ['LBCBTC', 'BTCAUD'], format: '$0,0.00', sign: 'AUD ' },
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BRL: { steps: ['LBCBTC', 'BTCBRL'], format: 'R$0,0.00', sign: 'R$' },
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CAD: { steps: ['LBCBTC', 'BTCCAD'], format: '$0,0.00', sign: 'CAD ' },
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CHF: { steps: ['LBCBTC', 'BTCCHF'], format: 'CHF 0,0.00', sign: 'CHF' },
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CLP: { steps: ['LBCBTC', 'BTCCLP'], format: '$0,0.00', sign: 'CLP ' },
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CNY: { steps: ['LBCBTC', 'BTCCNY'], format: '¥0,0.00', sign: '¥' },
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DKK: { steps: ['LBCBTC', 'BTCDKK'], format: 'kr 0,0.00', sign: 'kr' },
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EUR: { steps: ['LBCBTC', 'BTCEUR'], format: '€0,0.00', sign: '€' },
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HKD: { steps: ['LBCBTC', 'BTCHKD'], format: '$0,0.00', sign: 'HKD ' },
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INR: { steps: ['LBCBTC', 'BTCINR'], format: '₹0,0.00', sign: '₹' },
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ISK: { steps: ['LBCBTC', 'BTCISK'], format: 'kr 0,0.00', sign: 'kr' },
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JPY: { steps: ['LBCBTC', 'BTCJPY'], format: '¥0,0.00', sign: '¥' },
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KRW: { steps: ['LBCBTC', 'BTCKRW'], format: '₩0,0.00', sign: '₩' },
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NZD: { steps: ['LBCBTC', 'BTCNZD'], format: '$0,0.00', sign: 'NZD ' },
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PLN: { steps: ['LBCBTC', 'BTCPLN'], format: 'zł 0,0.00', sign: 'zł' },
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RUB: { steps: ['LBCBTC', 'BTCRUB'], format: 'RUB 0,0.00', sign: 'RUB' },
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SEK: { steps: ['LBCBTC', 'BTCSEK'], format: 'kr 0,0.00', sign: 'kr' },
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SGD: { steps: ['LBCBTC', 'BTCSGD'], format: '$0,0.00', sign: 'SGD ' },
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THB: { steps: ['LBCBTC', 'BTCTHB'], format: '฿0,0.00', sign: '฿' },
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TWD: { steps: ['LBCBTC', 'BTCTWD'], format: 'NT$0,0.00', sign: 'NT$' },
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IDR: { steps: ['LBCBTC', 'BTCIDR'], format: 'Rp0,0.00', sign: 'Rp' },
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BTC: { steps: ['LBCBTC'], format: '0,0[.][00000000] BTC', sign: 'BTC' }
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},
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// api steps
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api: {
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LBCBTC: { url: 'https://bittrex.com/api/v1.1/public/getticker?market=BTC-LBC', path: '$.result.Bid' },
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BTCUSD: { url: 'https://blockchain.info/ticker', path: '$.USD.buy' },
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BTCGBP: { url: 'https://blockchain.info/ticker', path: '$.GBP.buy' },
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BTCAUD: { url: 'https://blockchain.info/ticker', path: '$.AUD.buy' },
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BTCBRL: { url: 'https://blockchain.info/ticker', path: '$.BRL.buy' },
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BTCCAD: { url: 'https://blockchain.info/ticker', path: '$.CAD.buy' },
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BTCCHF: { url: 'https://blockchain.info/ticker', path: '$.CHF.buy' },
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BTCCLP: { url: 'https://blockchain.info/ticker', path: '$.CLP.buy' },
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BTCCNY: { url: 'https://blockchain.info/ticker', path: '$.CNY.buy' },
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BTCDKK: { url: 'https://blockchain.info/ticker', path: '$.DKK.buy' },
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BTCEUR: { url: 'https://blockchain.info/ticker', path: '$.EUR.buy' },
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BTCHKD: { url: 'https://blockchain.info/ticker', path: '$.HKD.buy' },
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BTCINR: { url: 'https://blockchain.info/ticker', path: '$.INR.buy' },
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BTCISK: { url: 'https://blockchain.info/ticker', path: '$.ISK.buy' },
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BTCJPY: { url: 'https://blockchain.info/ticker', path: '$.JPY.buy' },
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BTCKRW: { url: 'https://blockchain.info/ticker', path: '$.KRW.buy' },
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BTCNZD: { url: 'https://blockchain.info/ticker', path: '$.NZD.buy' },
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BTCPLN: { url: 'https://blockchain.info/ticker', path: '$.PLN.buy' },
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BTCRUB: { url: 'https://blockchain.info/ticker', path: '$.RUB.buy' },
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BTCSEK: { url: 'https://blockchain.info/ticker', path: '$.SEK.buy' },
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BTCSGD: { url: 'https://blockchain.info/ticker', path: '$.SGD.buy' },
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BTCTHB: { url: 'https://blockchain.info/ticker', path: '$.THB.buy' },
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BTCTWD: { url: 'https://blockchain.info/ticker', path: '$.TWD.buy' },
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BTCIDR: { url: 'https://min-api.cryptocompare.com/data/price?fsym=BTC&tsyms=IDR', path: '$.IDR'}
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},
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// display date/time format
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dtFormat: 'Do MMM YYYY h:mma [UTC]',
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// refresh rate in milliseconds to retrieve a new price (default to 10 minutes)
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refreshTime: 100000
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};
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var words = suffix.trim().split(' ').filter( function(n){return n !== "";} );
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var currency = (words.length > 0) ? words[0].toUpperCase() : options.defaultCurrency;
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var amount = (words.length > 1) ? parseFloat(words[1], 10) : 1;
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var showHelp = (isNaN(amount)) || (Object.keys(options.currencies).indexOf(currency) === -1);
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// store the last retrieved rate
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var cachedRates = {};
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var command = "!price"
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var currencies = Object.keys(options.currencies);
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for (var i = 0; i < currencies.length; i++) {
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cachedRates[currencies[i]] = { rate: 0, time: null };
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}
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if (showHelp) {
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doHelp(bot,msg,suffix);
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} else {
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if(!inPrivateOrBotSandbox(msg)){
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msg.channel.send('Please use <#' + ChannelID + '> or DMs to talk to price bot.');
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return;
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}
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doSteps(bot, currency, amount);
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}
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function doHelp(bot,msg,suffix) {
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if(!inPrivateOrBotSandbox(msg)){
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msg.channel.send('Please use <#' + ChannelID + '> or DMs to talk to price bot.');
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return;
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}
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var message =
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'**' + command + '**: show the price of 1 LBC in ' + options.defaultCurrency + '\n' +
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'**' + command + ' help**: this message\n' +
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'**' + command + ' CURRENCY**: show the price of 1 LBC in CURRENCY. Supported values for CURRENCY are Listed Below\n' +
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'**' + command + ' CURRENCY AMOUNT**: show the price of AMOUNT LBC in CURRENCY\n' +
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'**Supported Currencies:** *usd*, *gbp*, *eur*, *aud*, *brl*, *cad*, *chf*, *clp*, *cny*, *dkk*, *hkd*, *inr*, *isk*, *jpy*, *krw*, *nzd*, *pln* ,*rub*, *sek*, *sgd*, *thb*, *twd*, *idr* and *btc* (case-insensitive)';
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msg.channel.send(message);
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}
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function formatMessage(amount, rate, option) {
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var cur = option.sign;
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var value = numeral(rate.rate * amount).format(option.format);
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return '*' + numeral(amount).format('0,0[.][00000000]') + ' LBC = ' + cur +' ' + value + '*\n_last updated ' + rate.time.utc().format(options.dtFormat) + '_';
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}
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function doSteps(bot, currency, amount) {
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var option = options.currencies[currency];
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var shouldReload = true;
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if (cachedRates[currency]) {
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var cache = cachedRates[currency];
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shouldReload = cache.time === null || moment().diff(cache.time) >= options.refreshTime;
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if (!shouldReload) {
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var message = formatMessage(amount, cache, option);
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msg.channel.send(message);
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}
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}
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if (shouldReload) {
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// copy the steps array
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var steps = [];
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for (var i = 0; i < option.steps.length; i++) {
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steps.push(option.steps[i]);
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}
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processSteps(bot, currency, 0, amount, steps, option);
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}
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}
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function processSteps(bot, currency, rate, amount, steps, option) {
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if (steps.length > 0) {
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var pairName = steps[0];
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if (!options.api[pairName]) {
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msg.channel.send('There was a configuration error. ' + pairName + ' pair was not found.');
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return;
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}
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var pair = options.api[pairName];
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request.get(pair.url, function(error, response, body) {
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if (error) {
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msg.channel.send( err.message ? err.message : 'The request could not be completed at this time. Please try again later.');
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return;
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}
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var pairRate = 0;
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try {
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pairRate = jp.query(JSON.parse(body), pair.path);
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if (Array.isArray(pairRate) && pairRate.length > 0) {
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pairRate = pairRate[0];
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}
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} catch (ignored) {
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// invalid response or pair rate
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}
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if (pairRate > 0) {
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rate = (rate === 0) ? pairRate : rate * pairRate;
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steps.shift();
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if (steps.length > 0) {
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processSteps(bot, currency, rate, amount, steps, option);
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return;
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}
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// final step, cache and then response
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var result = { rate: rate, time: moment() };
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cachedRates[currency] = result;
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msg.channel.send(formatMessage(amount, result, option));
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} else {
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msg.channel.send('The rate returned for the ' + pairName + ' pair was invalid.');
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}
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});
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}
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}
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function inPrivateOrBotSandbox(msg){
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if((msg.channel.type == 'dm') || (msg.channel.id === ChannelID)){
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return true;
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}else{
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return false;
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}
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}
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}
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}
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