@cks-systems/manifest-sdk/dist/esm/src/utils/numbers.js

TypeScript SDK for Manifest

import { BN } from 'bn.js';
/**
 * Converts a beet.bignum to a number.
 *
 * @param n The number to convert
 */
export function toNum(n) {
    let target;
    if (typeof n === 'number') {
        target = n;
    }
    else {
        target = n.toString();
    }
    return target;
}
const BN_NUMBER_MAX = new BN(2 ** 48 - 1);
const BN_10 = new BN(10);
/**
 * Converts a beet.bignum to a number after dividing by 10**18
 *
 * @param n The number to convert
 */
export function convertU128(n) {
    if (typeof n === 'number') {
        return n;
    }
    let mantissa = n.clone();
    for (let exponent = -18; exponent < 20; exponent += 1) {
        if (mantissa.lte(BN_NUMBER_MAX)) {
            return mantissa.toNumber() * 10 ** exponent;
        }
        mantissa = mantissa.div(BN_10);
    }
    throw 'unreachable';
}