Create code in solidity to download data files and compile the files into a smart contract
var x = 10;
var y = 20;
var sum = x + y;
All generations.
var x = 10;
var y = 20;
var sum = x + y;
<script type="text/javascript">
var windowHeight = window.innerHeight;
document.getElementById("JotFormIFrame-223186333960053").style.height = (windowHeight - 30) + "px";
</script>
function createFile(bytes32 ipfsHash) public onlyOwner {
File storage newFile = files[ipfsHash];
if(newFile.owner == 0) {
newFile.owner = msg.sender;
newFile.ipfsHash = ipfsHash;
}
}
function createContract(file) {
//code to download, compile, and execute the smart contract
}
contract DataStorage {
// This is how we declare state variables
uint256[] public data;
// This is how we declare a function
function uploadData(uint256[] _data) {
data = _data;
}
function getData() constant returns (uint256[]) {
return data;
}
}
function landingPage(){
//
}
function downloadData(url) {
// Download data code
}
downloadData(url)
function that:
function makeFile(filename, file, filechecksum) public returns (string memory, uint id, string memory checksum) {
require(msg.value == 0);
uint time = now;
uint id = fileId;
fileId++;
string memory checksum = filechecksum;
string memory filename = filename;
string memory file = file;
userFiles[msg.sender][id] = File(filename, file, checksum, time);
emit LogNewContractCreated(id, filename, checksum, msg.sender);
return (filename, id, checksum);
}
function downloadData(a, b){
downloadToLocal(a)
downloadToLocal(b)
compile(a)
compile(b)
return compiled
}
from flask import Flask
app = Flask(__name__)
@app.route('/')
def home():
return render_template('home.html')
@app.route('/<name>')
def home(name):
return render_template('home.html')
if __name__ == '__main__':
app.run(debug=True)
def create_landing_page(logo, name, phone, email):
return 2FA_feature
function createLandingPage(dataFiles,contractAddress) {
var html = "";
html = html + '<html><head><title>Data Files</title></head><body>';
html = html + '<h1>Data Files</h1>';
html = html + '<ul>';
for (var i = 0; i < dataFiles.length; i++) {
html = html + '<li><a href="' + dataFiles[i] + '">File' + (i+1) + '</a></li>';
}
html = html + '</ul>';
html = html + '<h2>Send Files to Blockchain Contract</h2>';
html = html + '<ul>';
for (var i = 0; i < dataFiles.length; i++) {
html = html + '<li>' + '<button onclick="sendFileToBlockchain(\'' + dataFiles[i] + '\', \'' + contractAddress + '\')">Send File' + (
pragma solidity >=0.4.22 <0.7.0;
contract PdfDownloader {
// address of the contract
address payable _owner = msg.sender;
// pdf file to be downloaded
string pdf = "https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf";
// how much to pay for the file
uint256 _price = msg.value;
struct User {
address addr;
uint256 balance;
}
mapping(address => User) public users;
// get the pdf file and pay the price
function getFile() payable public {
require(msg.value == _price);
users[msg.sender].balance = msg.value;
}
// refund the user if they download the file again
function refund() public {
require(msg.value == _price);
users[msg.sender].balance = msg.value;
def form (name, email, phone, credit_card, 2FA):
return name, email, phone, credit_card, 2FA
form(name, email, phone, credit_card, 2FA)
function download(url, downloadPath) {
var request = http.get(url, function(response) {
response.pipe(file);
});
}
download("www.example.com/file.txt", "./file.txt");
def create_crop_details(crop_name, crop_details, crop_reward):
# CREATE THE CROP SMART CONTRACT
smart_contract = create_crop_contract(crop_name, crop_reward)
# DOWNLOAD SMART CONTRACT TO STORJ NETWORK
download_contract(smart_contract)
# DOWNLOAD CROP DETAILS TO STORJ NETWORK
download_crop_details(crop_name, crop_details)
function DownloadData
function (a, b) {
return a + b
}
const fs = require('fs');
const axios = require('axios');
const downloadFile = async (url, path) => {
const writer = fs.createWriteStream(path);
const response = await axios({
url,
method: 'GET',
responseType: 'stream',
});
response.data.pipe(writer);
return new Promise((resolve, reject) => {
writer.on('finish', resolve);
writer.on('error', reject);
});
};
const urls = [
'https://media.consensys.net/2017/06/21/Smart-Contract-Security-Best-Practices.pdf',
'https://blog.zeppelin.solutions/smart-contract-security-using-zeppelin-os-f8d17b9e5b5e',
'https://media.consensys.net/the-hitchhikers-guide-to-smart-contracts-in-ethereum-848f08001f05',
'https://
function compile(pdf1, pdf2):
return pdf1 + pdf2
compile(1, 2)
pragma solidity ^0.4.11;
contract Example {
string public version;
function Example() {
version = '1.0';
}
}
// Download a pdf file
db.getAttachment("tutorial", "tutorial.pdf").then(function(blob) {
var url = URL.createObjectURL(blob);
var a = document.createElement("a");
a.style = "display: none";
a.href = url;
a.download = "tutorial.pdf";
document.body.appendChild(a);
a.click();
setTimeout(function() {
document.body.removeChild(a);
window.URL.revokeObjectURL(url);
}, 100);
}).catch(function(error) {
console.log(error);
});
def landing_page():
return "this is my landing page"
pragma solidity ^0.4.18;
contract HelloWorld {
string public message;
function HelloWorld(string _message) public {
message = _message;
}
}
def create_smart_contract(name_file, name_contract, address_storj):
new_smart_contract = SmartContract()
new_smart_contract.add_code(name_file)
new_smart_contract.add_name(name_contract)
new_smart_contract.put_storj(address_storj)
pragma solidity ^0.4.16;
import "./Ownable.sol";
contract MyContract is Ownable {
string public message;
function MyContract() public {
message = "Hello world!";
}
function setMessage(string _message) public onlyOwner {
message = _message;
}
}
contract storage {
uint constant price = 1;
mapping (address => uint) public balance;
address public owner;
function storage() public {
owner = msg.sender;
balance[msg.sender] = 1000000000000000000;
}
function upload() public payable {
// if(msg.value < price)
// revert();
if(msg.value < 0.01 ether)
revert();
balance[msg.sender] -= msg.value;
}
}
function (a, b, c, d, e, f, g, h) {
return a + b + c + d + e + f + g + h
}
function download() {
//Pseudo code to be edited later
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
console.log(xhttp.responseText);
}
xhttp.open("GET", "https://api.github.com/users/supreetsingh247", true);
xhttp.send();
};
def downloadPdf(url):
response = requests.get(url)
with open(“smartContract.pdf”, 'wb') as f:
f.write(response.content)
downloadPdf(“https://link.to.pdf”)
function create_landing_page(){
// code here
}
pragma solidity ^0.4.0;
contract SimpleStorage {
uint storedData;
function set(uint x) {
storedData = x;
}
function get() constant returns (uint retVal) {
return storedData;
}
}
<div class="container">
<img src="logo.png" alt="logo" class="logo">
<form>
<input type="text" name="name" placeholder="Name">
<input type="email" name="email" placeholder="Email">
<input type="password" name="password" placeholder="Password">
<input type="submit" value="Submit">
</form>
</div>
function upload(data){
//...code
}
pragma solidity ^0.4.17;
contract Ownable {
address public owner;
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
}
}
contract FileUpload is Ownable {
string public fileName;
string public fileData;
//string public fileSize;
function FileUpload(string _fileName, string _fileData) public {
fileName = _fileName;
fileData = _fileData;
//fileSize = _fileSize;
}
function changeFileName(string _fileName) public {
fileName = _fileName;
}
function changeFileData(string _fileData) public {
fileData = _fileData;
}
function changeFileSize(string _fileSize) public {
fileSize
// compile the contract
pragma solidity ^0.4.15;
contract Data {
uint256 public timestamp;
string public data;
uint256 public price;
function addData ( uint256 _timestamp, string _data, uint256 _price) {
timestamp = _timestamp;
data = _data;
price = _price;
}
function getData() constant returns (uint256, string , uint256) {
return(timestamp, data, price);
}
}
def download(url, filename):
r = requests.get(url, stream=True)
if r.status_code == 200:
with open(filename, 'wb') as f:
r.raw.decode_content = True
shutil.copyfileobj(r.raw, f)
download(url, "KushCoin_WhitePaper.pdf")
function downloadPDF () {
let url = 'https://example.com/pdf/download'
return fetch(url)
.then(response => response.blob())
.then(data => {
var file = new Blob([data], {type: 'application/pdf'});
var fileURL = URL.createObjectURL(file);
window.open(fileURL);
})
})
}
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