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ბლოკჩეინთან ურთიერთობა web3.js

ganache-cli - ბლოკჩეინის სიმულატორი

კონსოლიდან web3js ის მეშვეობით დაკავშირება ბლოკჩეინზე, წინასწარ უნდა იყოს გაშვებული ბლოკჩიენის სიმულატორი ganache-cli

node
Web3 = require('web3')
web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));

	let imgAsync = Asset.fromModule(require('./image.jpg'))
	await imgAsync.downloadAsync()

	if (imgAsync.downloaded) {
	console.log('> imgAsync, ', imgAsync)

	const imageURL = imgAsync.localUri
	Image.getSize(imageURL, (width, height) => {
	var imageSize = {
	size: {

	/// gets data from service and maps each other creates new array

	const getAllFestivals = (arr) => Promise.reduce(arr, (prev, item) =>
	tkt.getShowsList({categoryId: item}).then((result) => {
	if (result.data.Shows.length > 0) {
	result.data.Shows.map((i) => {
	prev.push(i)
	})
	}
	return prev

	pdf(req, res) {
	const {id} = req.params
	var fs = require('fs');
	phantom.create().then(function(ph) {
	ph.createPage().then(function(page) {
	page.open(`${config.HTTP_HOST}/api/v1/html-report-endpoint/${id}`).then(function(status) {
	var fileName = `./public/uploads/pdf/${id}.pdf`
	page.render(fileName).then(function() {
	// HERE RETURNS AS PDF
	var file = fs.createReadStream(fileName);

	/**
	* save image with thumbnail in local drive if dir is /tmp then it will be deleted
	* @param {Request} req request
	* @param {Response} res response
	* @param {string} what type of files should be upload ex: "images", "excel"
	* @returns {Promise<Express.Multer.File>} file
	*/
	saveImage (req, res, cfg) {
	const { UPLOAD_DIR, hasThumbnail, waitThumbnail } = cfg

	function justSample() {
	try {
	mongoose.connect(config.database.connection, mongoConnectOptions)
	mongoose.connection.db.collection('tenants').update(
	{ '_id': mongoose.Types.ObjectId(userId) },
	{
	// $set: {
	// 'lease.$[l].rooms.$[r].items.$[i].title': 'Flooring'
	// }
	$push: {

	var axios = require('axios')

	const getAddressByIP = (ip) => {
	return axios.get(`http://ip-api.com/json/${ip}?lang=en`).then((data) => data)
	}