tokenlon-sdk/lib/utils/pair.js

imToken Tokenlon API for node

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var helper_1 = require("./helper");
var types_1 = require("../types");
var assert_1 = require("./assert");
exports.getTokenByName = function (tokenName, pairs) {
    assert_1.assert.isValidTokenName(tokenName, pairs);
    var token = null;
    pairs.some(function (p) {
        if (helper_1.helpCompareStr(p.base.symbol, tokenName)) {
            token = p.base;
            return true;
        }
        else if (helper_1.helpCompareStr(p.quote.symbol, tokenName)) {
            token = p.quote;
            return true;
        }
    });
    if (token)
        return token;
};
var getPairHelper = function (baseQuote, pairs, tokenPropName) {
    var base = baseQuote.base, quote = baseQuote.quote;
    var pair = pairs.find(function (p) { return helper_1.helpCompareStr(p.base[tokenPropName], base) && helper_1.helpCompareStr(p.quote[tokenPropName], quote); });
    if (!pair)
        throw helper_1.newError(types_1.TokenlonError.UnsupportedPair);
    return pair;
};
exports.getPairBySymbol = function (baseQuote, pairs) {
    assert_1.assert.isValidBaseQuote(baseQuote, pairs);
    return getPairHelper(baseQuote, pairs, 'symbol');
};
exports.getPairByContractAddress = function (baseQuote, pairs) {
    return getPairHelper(baseQuote, pairs, 'contractAddress');
};
exports.getPairBySignedOrder = function (order, pairs) {
    var pair = null;
    var baseQuotes = [
        {
            base: order.makerTokenAddress,
            quote: order.takerTokenAddress,
        }, {
            base: order.takerTokenAddress,
            quote: order.makerTokenAddress,
        },
    ];
    baseQuotes.some(function (baseQuote, index) {
        try {
            var result = exports.getPairByContractAddress(baseQuote, pairs);
            pair = result;
            return true;
        }
        catch (e) {
            if (index === baseQuotes.length) {
                throw e;
            }
        }
    });
    return pair;
};
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