chaingate/dist/esm/Currencies/CurrencyUtils/CurrencyAmount.js

A complete TypeScript library for connecting to and making transactions on different blockchains

import { toDecimal } from '../../InternalUtils/NumberLike';
export class CurrencyAmount {
    currencyInfo;
    markets;
    baseAmount;
    get baseSymbol() {
        return this.currencyInfo.symbol;
    }
    get minimalUnitAmount() {
        return this.baseAmount.mul(toDecimal(10).pow(this.currencyInfo.decimals));
    }
    get minimalUnitSymbol() {
        return this.currencyInfo.minimalUnitSymbol;
    }
    get str() {
        if (this.baseAmount.decimalPlaces() > 5)
            return `${this.baseAmount.toFixed(5)}... ${this.baseSymbol}`;
        return `${this.baseAmount.toString()} ${this.baseSymbol}`;
    }
    decimals;
    constructor(currencyInfo, baseAmount, markets) {
        this.currencyInfo = currencyInfo;
        this.baseAmount = baseAmount;
        this.decimals = currencyInfo.decimals;
        this.markets = markets;
    }
    plus(currencyAmount) {
        if (currencyAmount.currencyInfo.id != currencyAmount.currencyInfo.id)
            throw new Error('Invalid amount');
        return new CurrencyAmount(this.currencyInfo, this.baseAmount.plus(currencyAmount.baseAmount), this.markets);
    }
    minus(currencyAmount) {
        if (currencyAmount.currencyInfo.id != currencyAmount.currencyInfo.id)
            throw new Error('Invalid amount');
        return new CurrencyAmount(this.currencyInfo, this.baseAmount.minus(currencyAmount.baseAmount), this.markets);
    }
    div(currencyAmount) {
        if (currencyAmount.currencyInfo.id != currencyAmount.currencyInfo.id)
            throw new Error('Invalid amount');
        return new CurrencyAmount(this.currencyInfo, this.baseAmount.div(currencyAmount.baseAmount), this.markets);
    }
    mul(currencyAmount) {
        if (currencyAmount.currencyInfo.id != currencyAmount.currencyInfo.id)
            throw new Error('Invalid amount');
        return new CurrencyAmount(this.currencyInfo, this.baseAmount.mul(currencyAmount.baseAmount), this.markets);
    }
    async toFiat(fiatCurrency, useCache = true) {
        const markets = await this.markets.get(useCache);
        const cryptoData = markets.crypto.find((t) => t.id === this.currencyInfo.nativeTokenId);
        if (!cryptoData)
            throw new Error('Crypto rate not found');
        const cryptoRateUsd = toDecimal(cryptoData.rateUsd);
        const totalUsd = cryptoRateUsd.mul(this.baseAmount);
        const fiatData = markets.fiat.find((t) => t.symbol === fiatCurrency);
        if (!fiatData)
            throw new Error(`Fiat currency ${fiatCurrency} not found`);
        const fiatRateUsd = toDecimal(fiatData.rateUsd);
        return totalUsd.div(fiatRateUsd);
    }
}
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