node-dsx-api/lib/market.js

Node api for DSX.uk crypto exchange

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const exchange_1 = require("./exchange");
const _ = require("lodash");
const debug = require("debug")("DSX.Api:");
function converToPriceAndQty(pq) {
    return {
        price: pq[0],
        qty: pq[1]
    };
}
exports.converToPriceAndQty = converToPriceAndQty;
function checkPair(pair) {
    if (!pair) {
        debug("Empty symbol!");
        throw "Empty symbol!";
    }
    return _.toLower(pair);
}
class ExchangeMarket extends exchange_1.Exchange {
    info() {
        let params = this.sign("info");
        debug("info params", params);
        return this.request(params);
    }
    async orderBook(pair) {
        pair = checkPair(pair);
        const res = await this.request(this.sign("depth/{pair}", "mapi", "GET", { pair }));
        if (!res[pair]) {
            throw "Error response: did not receive messages.";
        }
        return res[pair];
    }
    async trades(pair, limit) {
        pair = checkPair(pair);
        const res = await this.request(this.sign("trades/{pair}", "mapi", "GET", { pair, limit }));
        if (!res[pair]) {
            throw "Error response: did not receive messages.";
        }
        return res[pair];
    }
    async ticker(pair) {
        pair = checkPair(pair);
        const res = await this.request(this.sign("ticker/{pair}", "mapi", "GET", { pair }));
        if (!res[pair]) {
            throw "Error response: did not receive messages.";
        }
        return res[pair];
    }
    async lastBars(pair, period, amount) {
        pair = checkPair(pair);
        const res = await this.request(this.sign("lastBars/{pair}/{period}/{amount}", "mapi", "GET", {
            pair,
            period,
            amount
        }));
        if (!res[pair]) {
            throw "Error response: did not receive messages.";
        }
        return res[pair];
    }
    async barsFromMoment(pair, period, first_bar_close_time) {
        pair = checkPair(pair);
        const res = await this.request(this.sign("barsFromMoment/{pair}/{period}/{first_bar_close_time}", "mapi", "GET", { pair, period, first_bar_close_time }));
        if (!res[pair]) {
            throw "Error response: did not receive messages.";
        }
        return res[pair];
    }
    async periodBars(pair, period, first_bar_close_time, last_bar_close_time) {
        pair = checkPair(pair);
        const res = await this.request(this.sign("periodBars/{pair}/{period}/{first_bar_close_time}/{last_bar_close_time}", "mapi", "GET", { pair, period, first_bar_close_time, last_bar_close_time }));
        if (!res[pair]) {
            throw "Error response: did not receive messages.";
        }
        return res[pair];
    }
}
exports.ExchangeMarket = ExchangeMarket;