evm-blockchain-tools/dist/src/utils/erc20-currency-parser.js

This is a collection of resuseable tools to support development for EVM-powered blockchains

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseERC20Currency = void 0;
const bignumber_js_1 = require("bignumber.js");
const constants_1 = require("../common/constants");
function parseCurrencyWithDecimals(amount, decimals, floatDecimals) {
    const BigTen = (0, bignumber_js_1.BigNumber)(10).pow(decimals);
    const amountInEther = (0, bignumber_js_1.BigNumber)(amount).div(BigTen).toString();
    const [a, b] = amountInEther.split(".");
    if ((b === null || b === void 0 ? void 0 : b.length) > 0) {
        return `${a}.${b.slice(0, floatDecimals)}`;
    }
    return amountInEther.toString();
}
const parseERC20Currency = (amount, currency, network = constants_1.APP_NETWORK.ETH) => {
    const usdtDecimals = network === constants_1.APP_NETWORK.BINANCE ? 18 : 6;
    switch (currency) {
        case constants_1.ACCEPTED_CURRENCY.USC:
            return parseCurrencyWithDecimals(amount, 18, 8);
        case constants_1.ACCEPTED_CURRENCY.USDT:
            return parseCurrencyWithDecimals(amount, usdtDecimals, 8);
        default:
            throw new Error("currency not supported");
    }
};
exports.parseERC20Currency = parseERC20Currency;
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