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Added support for the BTCe exchange (DeviaVir#388)
* Added support for the BTCe exchange * A minor cleanup * Even more cleanup * Visible RSI values in the free space along with the RSI graph and some minor cosmetic changes to make for a more pleasant formatting * Adjusted display for (RSI === 100) * Fixed a line that got lost in copy
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module.exports = { | ||
_ns: 'zenbot', | ||
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'exchanges.btce': require('./exchange'), | ||
'exchanges.list[]': '#exchanges.btce' | ||
} |
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// | ||
// Warning - Some of the functions need testing | ||
// by someone in posession of a BTCe account | ||
// In particular this is the case for | ||
// the buy, sell, cancelOrderand getOrderfunctions | ||
// | ||
var BTCE = require('btce') | ||
, path = require('path') | ||
, colors = require('colors') | ||
, numbro = require('numbro') | ||
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module.exports = function container (get, set, clear) { | ||
var c = get('conf') | ||
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var public_client, authed_client | ||
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function publicClient () { | ||
if (!public_client) { | ||
public_client = new BTCE() | ||
} | ||
return public_client | ||
} | ||
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function authedClient () { | ||
if (!authed_client) { | ||
if (!c.btce || !c.btce.key || c.btce.key === 'YOUR-API-KEY') { | ||
throw new Error('please configure your BTCe credentials in conf.js') | ||
} | ||
authed_client = new BTCE(c.btce.key, c.btce.secret) | ||
} | ||
return authed_client | ||
} | ||
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function joinProduct (product_id) { | ||
return product_id.split('-')[0] + '_' + product_id.split('-')[1] | ||
} | ||
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function statusErr (err, body) { | ||
if (body === null) { | ||
return new Error(err) | ||
} else if (!body.success) { | ||
if (body.error === 'invalid api key' || body.error === 'invalid sign') { | ||
console.log(err) | ||
throw new Error('please correct your BTCe credentials in conf.js') | ||
} else if (err) { | ||
return new Error('\nError: ' + err) | ||
} | ||
} else { | ||
return body | ||
} | ||
} | ||
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function retry (method, args, err) { | ||
if (method !== 'getTrades') { | ||
console.error(('\nBTCe API is down! unable to call ' + method + ', retrying in 10s').red) | ||
if (err) console.error(err) | ||
console.error(args.slice(0, -1)) | ||
} | ||
setTimeout(function () { | ||
exchange[method].apply(exchange, args) | ||
}, 10000) | ||
} | ||
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var orders = {} | ||
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var exchange = { | ||
name: 'btce', | ||
historyScan: 'false', | ||
makerFee: 0.2, | ||
takerFee: 0.2, | ||
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getProducts: function () { | ||
return require('./products.json') | ||
}, | ||
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getTrades: function (opts, cb) { | ||
var func_args = [].slice.call(arguments) | ||
var client = publicClient() | ||
var pair = joinProduct(opts.product_id).toLowerCase() | ||
var args = {} | ||
if (opts.from) { | ||
// move cursor into the future | ||
args.before = opts.from | ||
} | ||
else if (opts.to) { | ||
// move cursor into the past | ||
args.after = opts.to | ||
} | ||
client.trades({ pair: pair, count: 1000 }, function (err, body) { | ||
if (err) return retry('getTrades', func_args, err) | ||
var trades = body.map(function (trade) { | ||
return { | ||
trade_id: trade.tid, | ||
time: trade.date * 1000, | ||
//time: new Date(trade.date).getTime(), | ||
size: trade.amount, | ||
price: trade.price, | ||
side: trade.trade_type | ||
} | ||
}) | ||
cb(null, trades) | ||
}) | ||
}, | ||
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getBalance: function (opts, cb) { | ||
var args = { | ||
currency: opts.currency.toLowerCase(), | ||
asset: opts.asset.toLowerCase(), | ||
wait: 10 | ||
} | ||
var func_args = [].slice.call(arguments) | ||
var client = authedClient() | ||
client.getInfo(function (err, body) { | ||
body = statusErr(err, body) | ||
if (err) { | ||
return retry('getBalance', func_args, err) | ||
} | ||
if (body.success) { | ||
var balance = {asset: 0, currency: 0} | ||
var funds = body.return.funds | ||
balance.currency = funds[args.currency] | ||
balance.asset = funds[args.asset] | ||
balance.currency_hold = 0 | ||
balance.asset_hold = 0 | ||
cb(null, balance) | ||
} else { | ||
} | ||
}) | ||
}, | ||
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getQuote: function (opts, cb) { | ||
var func_args = [].slice.call(arguments) | ||
var client = publicClient() | ||
var pair = joinProduct(opts.product_id).toLowerCase() | ||
client.ticker({ pair: pair }, function (err, body) { | ||
if (err) return retry('getQuote', func_args, err) | ||
cb(null, { bid: body.ticker.buy, ask: body.ticker.sell }) | ||
}) | ||
}, | ||
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cancelOrder: function (opts, cb) { | ||
var func_args = [].slice.call(arguments) | ||
var client = authedClient() | ||
client.cancelOrder(opts.order_id, function (err, resp, body) { | ||
body = statusErr(err, body) | ||
// Fix me - Check return codes | ||
if (body && (body.message === 'Order already done' || body.message === 'order not found')) return cb() | ||
if (err) return retry('cancelOrder', func_args, err) | ||
cb() | ||
}) | ||
}, | ||
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trade: function (type, opts, cb) { | ||
var func_args = [].slice.call(arguments) | ||
var client = authed_client() | ||
var pair = joinProduct(opts.product_id) | ||
/* BTCe has no order type? | ||
if (typeof opts.post_only === 'undefined') { | ||
opts.post_only = true | ||
} | ||
if (opts.order_type === 'taker') { | ||
delete opts.price | ||
delete opts.post_only | ||
opts.type = 'market' | ||
} | ||
*/ | ||
delete opts.order_type | ||
client.trade({'pair': pair, 'type': type, 'rate': opts.price, 'amount': opts.size }, function(err, body) { | ||
body = statusErr(err, body) | ||
// Fix me - Check return codes from API | ||
if (body && body.message === 'Insufficient funds') { | ||
var order = { | ||
status: 'rejected', | ||
reject_reason: 'balance' | ||
} | ||
return cb(null, order) | ||
} | ||
if (err) return retry(type, func_args, err) | ||
orders['~' + body.id] = body | ||
cb(null,body) | ||
//else console.log(err) | ||
}) | ||
}, | ||
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buy: function (opts, cb) { | ||
exchange.trade('buy', opts, cb) | ||
}, | ||
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sell: function (opts, cb) { | ||
exchange.trade('sell', opts, cb) | ||
}, | ||
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getOrder: function (opts, cb) { | ||
var func_args = [].slice.call(arguments) | ||
var client = authedClient() | ||
// Fix me - Check return result | ||
var orderInfo = { | ||
//from: opts.order_id, | ||
count: 1, | ||
from_id: opts.order_id, | ||
//end_id: opts.order_id, | ||
pair: opts.product_id | ||
} | ||
client.activeOrders(orderInfo, function (err, resp, body){ | ||
body = statusErr(err, body) | ||
if (err) return retry('getOrder', func_args, err) | ||
if (resp.statusCode === 404) { | ||
// order was cancelled. recall from cache | ||
body = orders['~' + opts.order_id] | ||
body.status = 'done' | ||
body.done_reason = 'canceled' | ||
} | ||
// Fix me | ||
body.filled_size = 0 | ||
body.remaining_size = resp.return[opts.order_id].amount | ||
cb(null, body) | ||
}) | ||
}, | ||
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// return the property used for range querying. | ||
getCursor: function (trade) { | ||
return trade.trade_id | ||
} | ||
} | ||
return exchange | ||
} |
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