@signumjs/util/out/internal/twosComplementBinary.js

Useful utilities and tools for building Signum Network applications

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.twosComplementBinary = void 0;
/** @ignore */
/** @internal */
/**  */
const bignumber_js_1 = __importDefault(require("bignumber.js"));
const twosComplementBinary = (bn) => {
    // we manually implement our own two's complement (flip bits, add one)
    let bin = bn.multipliedBy(-1).toString(2);
    while (bin.length % 8) {
        bin = '0' + bin;
    }
    const prefix = ('1' === bin[0] && -1 !== bin.slice(1).indexOf('1')) ? '11111111' : '';
    bin = bin.split('').map(i => '0' === i ? '1' : '0').join('');
    return new bignumber_js_1.default(prefix + bin, 2).plus(1);
};
exports.twosComplementBinary = twosComplementBinary;
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