import Decimal from "decimal.js";
export function validateTokensInput(input, decimal_point = 12) {
    if (typeof input === 'number') {
        input = input.toString();
    }
    if (input === "") {
        return {
            valid: false,
            error: 'Invalid input',
        };
    }
    input = input.replace(/[^0-9.,]/g, '');
    const MAX_NUMBER = new Decimal(2).pow(64).minus(1);
    if (decimal_point < 0 || decimal_point > 18) {
        return {
            valid: false,
            error: 'Invalid decimal point',
        };
    }
    const dotInput = input.replace(/,/g, '.');
    const decimalDevider = new Decimal(10).pow(decimal_point);
    const maxAllowedNumber = MAX_NUMBER.div(decimalDevider);
    const minAllowedNumber = new Decimal(1).div(decimalDevider);
    const rounded = (() => {
        if (dotInput.replace('.', '').length > 20) {
            const decimalParts = dotInput.split('.');
            if (decimalParts.length === 2 && decimalParts[1].length > 1) {
                const beforeDotLength = decimalParts[0].length;
                const roundedInput = new Decimal(dotInput).toFixed(Math.max(20 - beforeDotLength, 0));
                if (roundedInput.replace(/./g, '').length <= 20) {
                    return roundedInput;
                }
            }
            return false;
        }
        else {
            return dotInput;
        }
    })();
    const decimalsAmount = dotInput.split('.')[1]?.length || 0;
    if (decimalsAmount > decimal_point) {
        return {
            valid: false,
            error: 'Invalid amount - too many decimal points',
        };
    }
    if (rounded === false) {
        return {
            valid: false,
            error: 'Invalid amount - number is too big or has too many decimal points',
        };
    }
    const dotInputDecimal = new Decimal(rounded);
    if (dotInputDecimal.gt(maxAllowedNumber)) {
        return {
            valid: false,
            error: 'Invalid amount - number is too big',
        };
    }
    if (dotInputDecimal.lt(minAllowedNumber)) {
        return {
            valid: false,
            error: 'Invalid amount - number is too small',
        };
    }
    return {
        valid: true
    };
}
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