@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
69 lines (49 loc) • 2.02 kB
JavaScript
;
const asTable = require ('as-table')
, log = require ('ololog').noLocate
, ansi = require ('ansicolor').nice
, ccxt = require ('../../ccxt.js')
let printSupportedExchanges = function () {
log ('Supported exchanges:', ccxt.exchanges.join (', ').green)
}
let printUsage = function () {
log ('Usage: node', process.argv[1], 'exchange'.green)
printSupportedExchanges ()
}
let printTickers = async (id) => {
// check if the exchange is supported by ccxt
let exchangeFound = ccxt.exchanges.indexOf (id) > -1
if (exchangeFound) {
log ('Instantiating', id.green, 'exchange')
// instantiate the exchange by id
let exchange = new ccxt[id] ({ enableRateLimit: true })
// load all markets from the exchange
let markets = await exchange.loadMarkets ()
while (true) {
const tickers = await exchange.fetchTickers ()
log ('--------------------------------------------------------')
log (exchange.id.green, exchange.iso8601 (exchange.milliseconds ()))
log ('Fetched', Object.values (tickers).length.toString ().green, 'tickers:')
log (asTable.configure ({ delimiter: ' | '.dim, right: true }) (
ccxt.sortBy (Object.values (tickers), 'quoteVolume', true)
.slice (0,20)
.map (ticker => ({
symbol: ticker['symbol'],
price: ticker['last'].toFixed (8),
datetime: ticker['datetime'],
}))))
}
} else {
log ('Exchange ' + id.red + ' not found')
printSupportedExchanges ()
}
}
;(async function main () {
if (process.argv.length > 2) {
const id = process.argv[2]
await printTickers (id)
} else {
printUsage ()
}
process.exit ()
}) ()