@getalby/lightning-tools/dist/cjs/fiat.cjs

Collection of helpful building blocks and tools to develop Bitcoin Lightning web apps

'use strict';

const numSatsInBtc = 100000000;
const getFiatCurrencies = async () => {
    const url = "https://getalby.com/api/rates";
    const response = await fetch(url);
    if (!response.ok) {
        throw new Error(`Failed to fetch currencies: ${response.status} ${response.statusText}`);
    }
    const data = await response.json();
    const mappedCurrencies = Object.entries(data)
        .filter(([code]) => code.toUpperCase() !== "BTC")
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        .map(([code, details]) => ({
        code: code.toUpperCase(),
        name: details.name,
        priority: details.priority,
        symbol: details.symbol,
    }))
        .sort((a, b) => a.name.localeCompare(b.name))
        .sort((a, b) => a.priority - b.priority);
    return mappedCurrencies;
};
const getFiatBtcRate = async (currency) => {
    const url = "https://getalby.com/api/rates/" + currency.toLowerCase() + ".json";
    const response = await fetch(url);
    if (!response.ok) {
        throw new Error(`Failed to fetch rate: ${response.status} ${response.statusText}`);
    }
    const data = await response.json();
    return data.rate_float / numSatsInBtc;
};
const getFiatValue = async ({ satoshi, currency, }) => {
    const rate = await getFiatBtcRate(currency);
    return Number(satoshi) * rate;
};
const getSatoshiValue = async ({ amount, currency, }) => {
    const rate = await getFiatBtcRate(currency);
    return Math.floor(Number(amount) / rate);
};
const getFormattedFiatValue = async ({ satoshi, currency, locale, }) => {
    if (!locale) {
        locale = "en";
    }
    const fiatValue = await getFiatValue({ satoshi, currency });
    return fiatValue.toLocaleString(locale, {
        style: "currency",
        currency,
    });
};

exports.getFiatBtcRate = getFiatBtcRate;
exports.getFiatCurrencies = getFiatCurrencies;
exports.getFiatValue = getFiatValue;
exports.getFormattedFiatValue = getFormattedFiatValue;
exports.getSatoshiValue = getSatoshiValue;
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