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some updates to test fetchparams.js code

ca333-dev
Satinder Grewal 8 years ago
parent
d2f07ce6c4
commit
7b14672b11
1 changed files with 194 additions and 35 deletions
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  1. 215
      routes/fetchparams.js

215
routes/fetchparams.js
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@ -1,3 +1,5 @@
var app = require('http').createServer(handler)
var io = require('socket.io')(app);
var fs = require('fs');
var request = require('request');
var progress = require('request-progress');
@ -5,46 +7,203 @@ const path = require('path')
const url = require('url')
const os = require('os')
const sha256 = require('sha256')
const crypto = require('crypto')
Promise = require('bluebird');
app.listen(3000);
function handler (req, res) {
fs.readFile(__dirname + '/index.html',
function (err, data) {
if (err) {
res.writeHead(500);
return res.end('Error loading index.html');
}
res.writeHead(200);
res.end(data);
});
}
PARAMS_DIR="$HOME/Library/Application Support/ZcashParams"
if (os.platform() === 'darwin') {
var PARAMS_DIR = process.env.HOME + '/Library/Application Support/ZcashParams'
}
if (os.platform() === 'linux') {
var PARAMS_DIR = process.env.HOME + '/.zcash-params'
}
SPROUT_PKEY_NAME='sprout-proving.key'
SPROUT_PKEY_NAME_HASH='8bc20a7f013b2b58970cddd2e7ea028975c88ae7ceb9259a5344a16bc2c0eef7'
SPROUT_VKEY_NAME='sprout-verifying.key'
SPROUT_VKEY_NAME_HASH='4bd498dae0aacfd8e98dc306338d017d9c08dd0918ead18172bd0aec2fc5df82'
SPROUT_PKEY_URL="https://z.cash/downloads/$SPROUT_PKEY_NAME"
SPROUT_VKEY_URL="https://z.cash/downloads/$SPROUT_VKEY_NAME"
// The options argument is optional so you can omit it
progress(request('https://az412801.vo.msecnd.net/vhd/VMBuild_20141027/VirtualBox/IE11/Windows/IE11.Win8.1.For.Windows.VirtualBox.zip'), {
// throttle: 2000, // Throttle the progress event to 2000ms, defaults to 1000ms
// delay: 1000, // Only start to emit after 1000ms delay, defaults to 0ms
// lengthHeader: 'x-transfer-length' // Length header to use, defaults to content-length
})
//PARAMS_DIR="$HOME/Library/Application Support/ZcashParams"
var SPROUT_FILES_DATA = [{"file":"sprout-proving.key","hash":"8bc20a7f013b2b58970cddd2e7ea028975c88ae7ceb9259a5344a16bc2c0eef7"},{"file":"sprout-verifying.key","hash":"4bd498dae0aacfd8e98dc306338d017d9c08dd0918ead18172bd0aec2fc5df82"}]
var SPROUT_DL_URL="https://z.cash/downloads/"
//console.log(SPROUT_FILES_DATA);
SPROUT_FILES_DATA.forEach(function (value, index) {
//console.log(index);
//console.log(value);
//console.log(value.file);
//console.log(value.hash);
fs.exists(value.file, function(exists) {
if (exists) {
console.log(value.file + ' already exists at location.');
var tmphash
var fd = fs.createReadStream(value.file);
var hash = crypto.createHash('sha256')
hash.setEncoding('hex');
fd.on('end', function() {
hash.end();
console.log('hash is: ')
console.log(hash.read()); // the desired sha1sum
console.log(value.hash)
tmphash = hash.read();
if (hash.read() === value.hash) {
console.log('File SHA256 sum matches.')
} else {
console.log('File SHA256 sum does not match.')
}
});
// read all file and pipe it (write it) to the hash object
fd.pipe(hash);
} else {
var DLFile = function() {
return new Promise(function(resolve, reject) {
console.log('file not there.');
progress(request(SPROUT_DL_URL+value.file), {})
.on('progress', function (state) {
// The state is an object that looks like this:
// {
// percent: 0.5, // Overall percent (between 0 to 1)
// speed: 554732, // The download speed in bytes/sec
// size: {
// total: 90044871, // The total payload size in bytes
// transferred: 27610959 // The transferred payload size in bytes
// },
// time: {
// elapsed: 36.235, // The total elapsed seconds since the start (3 decimals)
// remaining: 81.403 // The remaining seconds to finish (3 decimals)
// }
// }
console.log('progress', state);
})
.on('error', function (err) {
// Do something with err
console.log(err);
})
.on('end', function () {
// Do something after request finishes
console.log('download finished.')
var result = 'File ==> ' + value.file + ': DOWNLOADED'
})
.pipe(fs.createWriteStream(value.file));
console.log(result)
resolve(result);
})
}
var CheckFileSHA = function() {
return new Promise(function(resolve, reject) {
var fd = fs.createReadStream(value.file);
var hash = crypto.createHash('sha256')
hash.setEncoding('hex');
fd.on('end', function() {
hash.end();
console.log('hash is: ')
console.log(hash.read()); // the desired sha1sum
console.log(value.hash)
if (hash.read() === value.hash) {
console.log('File SHA256 sum matches.')
} else {
console.log('File SHA256 sum does not match.')
}
});
// read all file and pipe it (write it) to the hash object
fd.pipe(hash);
var result = 'SHA256 SUM Check: DONE'
console.log(result)
resolve(result);
})
}
DLFile()
.then(function(result) {
return CheckFileSHA();
})
}
});
});
function CheckSHASum(file, hashstr) {
console.log(hashstr)
var shasum
// the file you want to get the hash
if (shasum === hashstr ) {
return true
} else return false
}
/*var CheckFileExists = function() {
return new Promise(function(resolve, reject) {
if (path.existsSync('foo.txt')) {}
var result = 'Connecting To Pm2: done'
console.log(result)
resolve(result);
})
}
var DLFile = function() {
return new Promise(function(resolve, reject) {
var result = 'Killing Pm2: done'
setTimeout(function() {
console.log(result)
resolve(result);
}, 2000)
})
}
var CheckSHASum = function() {
return new Promise(function(resolve, reject) {
var result = 'Hiding Main Window: done'
console.log(result)
resolve(result);
})
}
var MoveFile = function() {
return new Promise(function(resolve, reject) {
var result = 'Quiting App: done'
console.log(result)
resolve(result);
})
}
ConnectToPm2()
.then(function(result) {
return KillPm2();
})
.pipe(fs.createWriteStream('IE11.Win8.1.For.Windows.VirtualBox.zip'));
.then(HideMainWindow)
.then(QuitApp)
*/

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