Method parseAmount

packages/bitcore-cli/src/utils.ts:93–124

(text: string | number | bigint)

  }

  static parseAmount(text: string | number | bigint): number {
    if (typeof text !== 'string') {
      text = text.toString();
    }

    const regex = '^(\\d*(\\.\\d{0,8})?)\\s*(' + Object.keys(Constants.UNITS2).join('|') + ')?$';
    const match = new RegExp(regex, 'i').exec(text.trim());

    if (!match || match.length === 0) {
      // Die since this is likely a system error
      Utils.die('Invalid amount: ' + text);
    }

    const amount = parseFloat(match[1]);
    if (isNaN(amount)) {
      // Don't die as this is likely a user input error that can be corrected
      throw new Error('Invalid amount');
    }

    const unit = (match[3] || 'sat').toLowerCase();
    const rate = Constants.UNITS2[unit];
    if (!rate) {
      Utils.die('Invalid unit: ' + unit);
    }

    const amountSat = parseFloat((amount * rate).toPrecision(12));
    if (amountSat != Math.round(amountSat)) {
      Utils.die('Invalid amount: ' + amount + ' ' + unit);
    }

    return amountSat;
  };

  static renderAmount(currency: string, satoshis: number | bigint | string, opts?: ITokenObj): string {
    return Utils.amountFromSats(currency, Number(satoshis), opts) + ' ' + currency.toUpperCase();