Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Random javascripts (scripts?)
Random javascripts (scripts?)
// Good old jquery form submit leveraging HTML5 validation
// Disabling buttons during async process
// Enabling buttons once async process completed
// Data Type flavors: FormData, JSON or URL-encoded
$('form').on('submit', function(e) {
let form = $(this)
e.preventDefault()
form.find('button').attr('disabled', true)
// form data
let data = new FormData(this)
let config = {
url: 'https://httpbin.org/post',
type: "POST",
data: data,
processData: false,
contentType: false,
}
if (data.get('dataType') == 'json') {
data = {}
form.serializeArray().map(x => data[x.name] = x.value, {})
config = {
url: 'https://httpbin.org/post',
type: "POST",
data: JSON.stringify(data),
dataType: "json",
contentType: "application/json; charset=utf-8",
}
} else if (data.get('dataType') == 'urlEncoded') {
data = form.serialize()
console.log(data)
config = {
url: 'https://httpbin.org/post',
type: "POST",
data: data,
}
}
// submit
$.ajax(config).done(function(res) {
alert('Success. Yay')
console.log(res)
})
.fail(function(err) {
alert('Failed. Booo')
console.log(err)
})
.always(function() {
form[0].reset()
form.find('button').removeAttr('disabled')
})
})
const request = require('request');
const bitcoin = require("bitcoinjs-lib");
const bitcoinNetwork = bitcoin.networks.testnet;
/**
* Send bitcoin in testnet using BlockCypher
* @param {number} amount - Bitcoin amount in BTC
* @param {string} to - output Bitcoin wallet address
* @param {string} from - input Bitcoin wallet address
* @param {string} wif
*/
const sendBitcoin = function (amount, to, from, wif) {
let keys = bitcoin.ECPair.fromWIF(wif, bitcoinNetwork);
return new Promise(function (resolve, reject) {
// create tx skeleton
request.post({
url: 'https://api.blockcypher.com/v1/btc/test3/txs/new',
body: JSON.stringify({
inputs: [{ addresses: [ from ] }],
// convert amount from BTC to Satoshis
outputs: [{ addresses: [ to ], value: amount * Math.pow(10, 8) }]
}),
},
function (err, res, body) {
if (err) {
reject(err);
} else {
let tmptx = JSON.parse(body);
// signing each of the hex-encoded string required to finalize the transaction
tmptx.pubkeys = [];
tmptx.signatures = tmptx.tosign.map(function (tosign, n) {
tmptx.pubkeys.push(keys.getPublicKeyBuffer().toString('hex'));
return keys.sign(new Buffer(tosign, 'hex')).toDER().toString('hex');
});
// sending back the transaction with all the signatures to broadcast
request.post({
url: 'https://api.blockcypher.com/v1/btc/test3/txs/send',
body: JSON.stringify(tmptx),
},
function (err, res, body) {
if (err) {
reject(err);
} else {
// return tx hash as feedback
let finaltx = JSON.parse(body);
resolve(finaltx.tx.hash);
}
}
);
}
}
);
});
}
// Adapted from https://gist.github.com/anvk/5602ec398e4fdc521e2bf9940fd90f84
function workMyCollection(arr) {
return arr.reduce((promise, item) => {
return promise
.then((result) => {
return asyncFunc(item);
})
.catch(console.error);
}, Promise.resolve());
}
var cropper = { w: 369, h: 390 },
draw = SVG('cropper').size(cropper.w, cropper.h),
jawMask = draw.path('M 50 10 C 50 20 100 20 100 10 L 100 60 C 100 80 50 80 50 60 Z')
addHandlers(jawMask, [[0, 1, 2], [1, 5, 6], [2, 1, 2], [3, 5, 6]])
function addHandlers(path, points) {
var array = path.array().value,
doc = path.doc(),
handlers = []
// save points to be moved together
for (var i = 0; i < points.length; i++) {
var p = points[i],
x = array[p[0]][p[1]],
y = array[p[0]][p[2]],
rect = doc.rect(6, 6).data('point', p).fill('#fff').center(x, y).draggable().on('dragmove', function(e) {
p = this.data('point')
array[p[0]][p[1]] = e.detail.p.x
array[p[0]][p[2]] = e.detail.p.y
path.plot(array.join(' '))
})
handlers.push(rect.id())
}
path.data('handlerIds', handlers)
path.on('dragmove', function(e) {
var ids = this.data('handlerIds'),
array = path.array().value
for (var i = 0; i < ids.length; i++) {
var handler = SVG.get(ids[i]),
p = handler.data('point'),
x = array[p[0]][p[1]],
y = array[p[0]][p[2]]
handler.center(x, y)
}
})
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.