@evolutionland/evolution-js/lib/libs/uniswap/entities/fractions/tokenAmount.js

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

import { CurrencyAmount } from "./currencyAmount";
import invariant from "tiny-invariant";
import JSBI from "jsbi";
export class TokenAmount extends CurrencyAmount {
    // amount _must_ be raw, i.e. in the native representation
    constructor(token, amount) {
        super(token, amount);
        this.token = token;
    }
    add(other) {
        invariant(this.token.equals(other.token), "TOKEN");
        return new TokenAmount(this.token, JSBI.add(this.raw, other.raw));
    }
    subtract(other) {
        invariant(this.token.equals(other.token), "TOKEN");
        return new TokenAmount(this.token, JSBI.subtract(this.raw, other.raw));
    }
}