Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'preconditions' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
'use strict';
var _ = require('lodash');
var $ = require('preconditions').singleton();
var sjcl = require('sjcl');
var Bitcore = require('bitcore');
var Address = Bitcore.Address;
var PrivateKey = Bitcore.PrivateKey;
var PublicKey = Bitcore.PublicKey;
var crypto = Bitcore.crypto;
var encoding = Bitcore.encoding;
var Utils = require('./utils');
function WalletUtils() {};
/* TODO: It would be nice to be compatible with bitcoind signmessage. How
* the hash is calculated there? */
WalletUtils.hashMessage = function(text) {
$.checkArgument(text);
var mdb = require('../lib/MessageDb').default();
var logger = require('../lib/logger').logger;
var preconditions = require('preconditions').singleton();
var microtime = require('microtime');
var cron = require('cron');
var CronJob = cron.CronJob;
var Threshold = (process.env.CLEANER_THRESHOLD_DAYS || 30) *24*60*60; // in seconds
module.exports.init = function(config) {
var cronTime = config.cronTime || '0 * * * *';
logger.info('Using cleaner plugin with cronTime ' + cronTime + ' and threshold of ' + Threshold + ' seconds');
var onTick = function() {
var limit = microtime.now() - 1000 * 1000 * Threshold;
mdb.removeUpTo(limit, function(err, n) {
if (err) logger.error(err);
else logger.info('Ran cleaner task, removed ' + n);
});
};
var job = new CronJob({
'use strict';
var Message = require('./Message');
var ECIES = require('./ECIES');
var preconditions = require('preconditions').singleton();
var Key = require('./Key');
var majorVersion = 1;
var minorVersion = 0;
/* Encrypted, authenticated messages to be shared between copayers */
var AuthMessage = function() {};
AuthMessage.setVersion = function(major, minor) {
majorVersion = major;
minorVersion = minor;
};
AuthMessage.encode = function(topubkey, fromkey, payload, opts) {
preconditions.checkArgument(fromkey instanceof Key, 'fromkey');
var _ = require('lodash');
var async = require('async');
var $ = require('preconditions').singleton();
var log = require('npmlog');
log.debug = log.verbose;
var DEFAULT_TIMEOUT= 60000; // 60 s
/**
* Query a server, using one of the given options
*
* @param {Object} opts
* @param {Array} opts.hosts Array of hosts to query. Until the first success one.
* @param {Array} opts.path Path to request in each server
*/
var requestList = function(args, cb) {
$.checkArgument(args.hosts);
request = args.request || require('request');
import request = require('request');
var $ = require('preconditions').singleton();
const URL = require('url');
const _ = require('lodash');
var Bitcore = require('bitcore-lib');
const Errors = require('./errors');
var Bitcore_ = {
btc: Bitcore,
bch: require('bitcore-lib-cash'),
};
// const request = require('request');
const JSON_PAYMENT_REQUEST_CONTENT_TYPE = 'application/payment-request';
const JSON_PAYMENT_VERIFY_CONTENT_TYPE = 'application/verify-payment';
const JSON_PAYMENT_CONTENT_TYPE = 'application/payment';
const JSON_PAYMENT_ACK_CONTENT_TYPE = 'application/payment-ack';
const dfltTrustedKeys = require('../util/JsonPaymentProtocolKeys.js');
const MAX_FEE_PER_KB = 500000;
var $ = require('preconditions').singleton();
var _ = require('lodash');
var log = require('npmlog');
var Bitcore = require('bitcore');
var WalletUtils = require('../walletutils')
/*
* Checks data given by the server
*/
function Verifier(opts) {};
Verifier.checkAddress = function(data, address) {
var local = WalletUtils.deriveAddress(data.publicKeyRing, address.path, data.m, data.network);
return (local.address == address.address && JSON.stringify(local.publicKeys) == JSON.stringify(address.publicKeys));
};
var _ = require('lodash');
var async = require('async');
var $ = require('preconditions').singleton();
var log = require('npmlog');
log.debug = log.verbose;
var DEFAULT_TIMEOUT= 60000; // 60 s
/**
* Query a server, using one of the given options
*
* @param {Object} opts
* @param {Array} opts.hosts Array of hosts to query. Until the first success one.
* @param {Array} opts.path Path to request in each server
*/
var requestList = function(args, cb) {
$.checkArgument(args.hosts);
request = args.request || require('request');
'use strict';
var crypto = require('crypto');
var $ = require('preconditions').singleton();
var _ = require('lodash');
var Bitcore = require('bitcore-lib');
var Mnemonic = require('bitcore-mnemonic');
var sjcl = require('sjcl');
var Common = require('./common');
var Constants = Common.Constants;
var FIELDS = [
'walletId',
'network',
'xPrivKey',
'xPrivKeyEncrypted',
'xPubKey',
'publicKeyRing',
var log = require('../util/log');
var networks = require('../networks');
var Address = require('./Address');
var Peer = require('./Peer');
var PeerManager = require('./PeerManager');
var util = require('util');
var EventEmitter = require('events').EventEmitter;
var preconditions = require('preconditions').singleton();
var NetworkMonitor = function(peerman) {
preconditions.checkArgument(peerman);
this.peerman = peerman;
this.networkName = peerman.config.network;
this.init();
}
util.inherits(NetworkMonitor, EventEmitter);
NetworkMonitor.create = function(config) {
var peerman = new PeerManager({
network: config.networkName
});
peerman.addPeer(new Peer(config.host, config.port));