@evolutionland/evolution-js/lib/utils/uniswap/unitConversion.js

evolution evolution-js evolutionland evolution-js-sdk evolution-land metaverse

import BigNumber from "bignumber.js";
import rawUnits from "./units.json";
BigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });
let Units = {};
let units = {};
Object.keys(rawUnits).map(function (unit) {
    units[unit] = new BigNumber(rawUnits[unit], 10);
});
Units.units = rawUnits;
let re = RegExp(/^[0-9]+\.?[0-9]*$/);
Units.convert = function (value, from, to) {
    if (!re.test(value)) {
        throw new Error("Unsupported value");
    }
    from = from.toLowerCase();
    if (!units[from]) {
        throw new Error("Unsupported input unit");
    }
    to = to.toLowerCase();
    if (!units[to]) {
        throw new Error("Unsupported output unit");
    }
    return new BigNumber(value, 10).times(units[from]).div(units[to]).toString(10);
};
Units.lazyConvert = function (value, to) {
    let tmp = value.split(" ");
    if (tmp.length !== 2) {
        throw new Error("Invalid input");
    }
    return Units.convert(tmp[0], tmp[1], to) + " " + to;
};
Units.toRing = function (value) {
    return Units.convert(value, "ring", "wei");
};
Units.fromWei = function (value) {
    return Units.convert(value, "wei", "ring");
};
Units.fromSun = function (value) {
    return Units.convert(value, "wei", "mwei");
};
Units.toTrx = function (value) {
    return Units.convert(value, "mwei", "wei");
};
export default Units;