blockstack/lib/keys.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const crypto_1 = require("crypto");
const bitcoinjs_lib_1 = require("bitcoinjs-lib");
/**
 *
 * @param numberOfBytes
 *
 * @ignore
 */
function getEntropy(arg) {
    if (!arg) {
        arg = 32;
    }
    if (typeof arg === 'number') {
        return crypto_1.randomBytes(arg);
    }
    else {
        return crypto_1.randomFillSync(arg);
    }
}
exports.getEntropy = getEntropy;
/**
* @ignore
*/
function makeECPrivateKey() {
    const keyPair = bitcoinjs_lib_1.ECPair.makeRandom({ rng: getEntropy });
    return keyPair.privateKey.toString('hex');
}
exports.makeECPrivateKey = makeECPrivateKey;
/**
* @ignore
*/
function publicKeyToAddress(publicKey) {
    const publicKeyBuffer = Buffer.from(publicKey, 'hex');
    const publicKeyHash160 = bitcoinjs_lib_1.crypto.hash160(publicKeyBuffer);
    const address = bitcoinjs_lib_1.address.toBase58Check(publicKeyHash160, 0x00);
    return address;
}
exports.publicKeyToAddress = publicKeyToAddress;
/**
* @ignore
*/
function getPublicKeyFromPrivate(privateKey) {
    const keyPair = bitcoinjs_lib_1.ECPair.fromPrivateKey(Buffer.from(privateKey, 'hex'));
    return keyPair.publicKey.toString('hex');
}
exports.getPublicKeyFromPrivate = getPublicKeyFromPrivate;
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