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

TypeScript SDK for Manifest

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.toNum = toNum;
exports.convertU128 = convertU128;
const bn_js_1 = require("bn.js");
/**
 * Converts a beet.bignum to a number.
 *
 * @param n The number to convert
 */
function toNum(n) {
    let target;
    if (typeof n === 'number') {
        target = n;
    }
    else {
        target = n.toString();
    }
    return target;
}
const BN_NUMBER_MAX = new bn_js_1.BN(2 ** 48 - 1);
const BN_10 = new bn_js_1.BN(10);
/**
 * Converts a beet.bignum to a number after dividing by 10**18
 *
 * @param n The number to convert
 */
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';
}