@znode/erc20-tokens/lib/core.js

ERC20 Tokens

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getByAddress = exports.getBySymbol = exports.get = void 0;
const _1 = require(".");
const constants_1 = require("./constants");
const utils_1 = require("./utils");
/**
 * Get token by symbol or address
 *
 * @param symbolOrAddress token symbol or address
 * @returns Token
 */
function get(symbolOrAddress) {
    // Wrapped tokens ETH/BTC
    if (constants_1.WRAPPED_TOKENS.includes(symbolOrAddress)) {
        return getBySymbol(`W${symbolOrAddress}`);
    }
    // maybe address
    if (symbolOrAddress.length === constants_1.TOKEN_ADDRESS_STANDARD_LENGTH) {
        return getByAddress(symbolOrAddress.toLowerCase());
    }
    // without 0x
    if (symbolOrAddress.length === _1.TOKEN_ADDRESS_WITHOUT_0x_LENGTH) {
        return getByAddress('0x' + symbolOrAddress.toLowerCase());
    }
    // maybe symbol
    return getBySymbol(symbolOrAddress);
}
exports.get = get;
function getBySymbol(symbol) {
    const indexes = utils_1.getIndexSymbols();
    const _symbol = symbol.toUpperCase();
    return indexes[_symbol] || null;
}
exports.getBySymbol = getBySymbol;
function getByAddress(address) {
    const indexes = utils_1.getIndexAddresses();
    return indexes[address] || null;
}
exports.getByAddress = getByAddress;