copay/js/controllers/send.js

535 lines
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JavaScript
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'use strict';
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var bitcore = require('bitcore');
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var preconditions = require('preconditions').singleton();
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angular.module('copayApp.controllers').controller('SendController',
function($scope, $rootScope, $window, $timeout, $modal, $filter, $location, isMobile, notification, rateService) {
var satToUnit, unitToSat, w;
$scope.init = function() {
w = $rootScope.wallet;
preconditions.checkState(w);
preconditions.checkState(w.settings.unitToSatoshi);
$rootScope.title = w.isShared() ? 'Create Transaction Proposal' : 'Send';
$scope.loading = false;
$scope.error = $scope.success = null;
unitToSat = w.settings.unitToSatoshi;
satToUnit = 1 / w.settings.unitToSatoshi;
$scope.alternativeName = w.settings.alternativeName;
$scope.alternativeIsoCode = w.settings.alternativeIsoCode;
$scope.isPayUri = false;
$scope.isRateAvailable = false;
$scope.rateService = rateService;
$scope.showScanner = false;
$scope.myId = w.getMyCopayerId();
$scope.isMobile = isMobile.any();
if ($rootScope.pendingPayment) {
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$scope.setFromUri($rootScope.pendingPayment)
}
$scope.setInputs();
$scope.setScanner();
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rateService.whenAvailable(function() {
$scope.isRateAvailable = true;
$scope.$digest();
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});
}
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$scope.setInputs = function() {
/**
* Setting the two related amounts as properties prevents an infinite
* recursion for watches while preserving the original angular updates
*
*/
Object.defineProperty($scope,
"alternative", {
get: function() {
return this._alternative;
},
set: function(newValue) {
this._alternative = newValue;
if (typeof(newValue) === 'number' && $scope.isRateAvailable) {
this._amount = parseFloat(
(rateService.fromFiat(newValue, $scope.alternativeIsoCode) * satToUnit).toFixed(w.settings.unitDecimals), 10);
} else {
this._amount = 0;
}
},
enumerable: true,
configurable: true
});
Object.defineProperty($scope,
"amount", {
get: function() {
return this._amount;
},
set: function(newValue) {
this._amount = newValue;
if (typeof(newValue) === 'number' && $scope.isRateAvailable) {
this._alternative = parseFloat(
(rateService.toFiat(newValue * unitToSat, $scope.alternativeIsoCode)).toFixed(2), 10);
} else {
this._alternative = 0;
}
},
enumerable: true,
configurable: true
});
Object.defineProperty($scope,
"address", {
get: function() {
return this._address;
},
set: function(newValue) {
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this._address = $scope.onAddressChange(newValue);
},
enumerable: true,
configurable: true
});
};
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$scope.setScanner = function() {
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navigator.getUserMedia = navigator.getUserMedia ||
navigator.webkitGetUserMedia || navigator.mozGetUserMedia ||
navigator.msGetUserMedia;
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window.URL = window.URL || window.webkitURL ||
window.mozURL || window.msURL;
if (!window.cordova && !navigator.getUserMedia)
$scope.disableScanner = 1;
};
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$scope._showError = function(err) {
copay.logger.error(err);
var msg = err.toString();
if (msg.match('BIG'))
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msg = 'The transaction have too many inputs. Try creating many transactions for smaller amounts'
if (msg.match('totalNeededAmount') || msg.match('unspent not set'))
msg = 'Insufficient funds'
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var message = 'The transaction' + (w.isShared() ? ' proposal' : '') +
' could not be created: ' + msg;
$scope.error = message;
$scope.loading = false;
};
$scope.submitForm = function(form) {
if (form.$invalid) {
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$scope.error = 'Unable to send transaction proposal';
return;
}
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$scope.loading = true;
var address = form.address.$modelValue;
var amount = parseInt((form.amount.$modelValue * unitToSat).toFixed(0));
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var commentText = form.comment.$modelValue;
var payInfo;
if (address.indexOf('bitcoin:') === 0) {
payInfo = (new bitcore.BIP21(address)).data;
} else if (/^https?:\/\//.test(address)) {
payInfo = {
merchant: address
};
}
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w.spend({
toAddress: address,
amountSat: amount,
comment: commentText,
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url: (payInfo && payInfo.merchant) ? payInfo.merchant : null,
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}, function(err, txid, status) {
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$scope.loading = false;
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// reset fields
$scope.address = $scope.amount = $scope.commentText = null;
form.address.$pristine = form.amount.$pristine = true;
$rootScope.pendingPayment = null;
$scope.isPayUri = null;
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if (err) return $scope._showError(err);
$scope.notifyStatus(status);
});
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};
// QR code Scanner
var cameraInput;
var video;
var canvas;
var $video;
var context;
var localMediaStream;
var _scan = function(evt) {
if ($scope.isMobile) {
$scope.scannerLoading = true;
var files = evt.target.files;
if (files.length === 1 && files[0].type.indexOf('image/') === 0) {
var file = files[0];
var reader = new FileReader();
reader.onload = (function(theFile) {
return function(e) {
var mpImg = new MegaPixImage(file);
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mpImg.render(canvas, {
maxWidth: 200,
maxHeight: 200,
orientation: 6
});
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$timeout(function() {
qrcode.width = canvas.width;
qrcode.height = canvas.height;
qrcode.imagedata = context.getImageData(0, 0, qrcode.width, qrcode.height);
try {
qrcode.decode();
} catch (e) {
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// error decoding QR
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}
}, 1500);
};
})(file);
// Read in the file as a data URL
reader.readAsDataURL(file);
}
} else {
if (localMediaStream) {
context.drawImage(video, 0, 0, 300, 225);
try {
qrcode.decode();
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} catch (e) {
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//qrcodeError(e);
}
}
$timeout(_scan, 500);
}
};
var _successCallback = function(stream) {
video.src = (window.URL && window.URL.createObjectURL(stream)) || stream;
localMediaStream = stream;
video.play();
$timeout(_scan, 1000);
};
var _scanStop = function() {
$scope.scannerLoading = false;
$scope.showScanner = false;
if (!$scope.isMobile) {
if (localMediaStream && localMediaStream.stop) localMediaStream.stop();
localMediaStream = null;
video.src = '';
}
};
var _videoError = function(err) {
_scanStop();
};
qrcode.callback = function(data) {
_scanStop();
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$scope.$apply(function() {
$scope.sendForm.address.$setViewValue(data);
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$scope.sendForm.address.$render();
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});
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};
$scope.cancelScanner = function() {
_scanStop();
};
$scope.openScanner = function() {
if (window.cordova) return $scope.scannerIntent();
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$scope.showScanner = true;
// Wait a moment until the canvas shows
$timeout(function() {
canvas = document.getElementById('qr-canvas');
context = canvas.getContext('2d');
if ($scope.isMobile) {
cameraInput = document.getElementById('qrcode-camera');
cameraInput.addEventListener('change', _scan, false);
} else {
video = document.getElementById('qrcode-scanner-video');
$video = angular.element(video);
canvas.width = 300;
canvas.height = 225;
context.clearRect(0, 0, 300, 225);
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navigator.getUserMedia({
video: true
}, _successCallback, _videoError);
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}
}, 500);
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};
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$scope.scannerIntent = function() {
cordova.plugins.barcodeScanner.scan(
function onSuccess(result) {
if (result.cancelled) return;
$timeout(function() {
var data = result.text;
$scope.$apply(function() {
$scope.sendForm.address.$setViewValue(result.text);
$scope.sendForm.address.$render();
});
}, 1000);
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},
function onError(error) {
alert('Scanning error');
});
}
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$scope.setTopAmount = function() {
$scope.amount = $rootScope.topAmount;
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};
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$scope.notifyStatus = function(status) {
if (status == copay.Wallet.TX_BROADCASTED)
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$scope.success = 'Transaction broadcasted!';
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else if (status == copay.Wallet.TX_PROPOSAL_SENT)
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$scope.success = 'Transaction proposal created';
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else if (status == copay.Wallet.TX_SIGNED)
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$scope.success = 'Transaction proposal was signed';
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else if (status == copay.Wallet.TX_SIGNED_AND_BROADCASTED)
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$scope.success = 'Transaction signed and broadcasted!';
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else
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$scope.error = 'Unknown error occured';
$timeout(function() {
$scope.$digest();
});
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};
$scope.send = function(ntxid, cb) {
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$scope.error = $scope.success = null;
$scope.loading = true;
$rootScope.txAlertCount = 0;
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w.issueTx(ntxid, function(err, txid, status) {
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$scope.loading = false;
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$scope.notifyStatus(status);
if (cb) return cb();
});
};
$scope.setForm = function(to, amount, comment) {
var form = $scope.sendForm;
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form.address.$setViewValue(to);
form.address.$render();
form.address.$isValid = true;
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$scope.lockAddress = true;
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if (amount) {
form.amount.$setViewValue(amount);
form.amount.$render();
form.amount.$isValid = true;
$scope.lockAmount = true;
}
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if (comment) {
form.commentText.$setViewValue(comment);
}
};
$scope.cancelSend = function(error) {
var form = $scope.sendForm;
if (error)
$scope.error = error;
$scope.fetchingURL = null;
$scope.isPayUri = null;
form.address.$setViewValue('');
form.address.$render();
form.amount.$setViewValue('');
form.amount.$render();
form.comment.$setViewValue('');
form.comment.$render();
form.$setPristine();
};
$scope.openPPModal = function(pp) {
var ModalInstanceCtrl = function($scope, $modalInstance) {
$scope.pp = pp;
$scope.cancel = function() {
$modalInstance.dismiss('cancel');
};
};
$modal.open({
templateUrl: 'views/modals/paypro.html',
windowClass: 'tiny',
controller: ModalInstanceCtrl,
});
};
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$scope.setFromPayPro = function(uri) {
console.log('[send.js.391:uri:]', uri); //TODO
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$scope.fetchingURL = uri;
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$scope.loading = true;
var balance = w.balanceInfo.availableBalance;
var available = +(balance * unitToSat).toFixed(0);
// Payment Protocol URI (BIP-72)
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w.fetchPaymentRequest({
url: uri
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}, function(err, merchantData) {
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$scope.loading = false;
$scope.fetchingURL = null;
if (err) {
if (err.match('TIMEOUT')) {
$scope.cancelSend('Payment server timed out');
} else {
$scope.cancelSend(err.toString());
}
} else if (merchantData && available < +merchantData.total) {
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$scope.cancelSend('Insufficient funds');
} else {
$scope.setForm(merchantData.domain, merchantData.unitTotal)
}
});
};
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$scope.setFromUri = function(uri) {
var form = $scope.sendForm;
var parsed = new bitcore.BIP21(uri);
if (!parsed.isValid() || !parsed.address.isValid()) {
$scope.error = 'Invalid bitcoin URL';
form.address.$isValid = false;
return uri;
};
var addr = parsed.address.toString();
console.log('[send.js.430:parsed:]',addr,parsed.data); //TODO
if (parsed.data.merchant)
return $scope.setFromPayPro(parsed.data.merchant);
var amount = (parsed.data && parsed.data.amount) ?
parsed.data.amount * 100000000 * satToUnit : 0;
$scope.setForm(addr, amount, parsed.data.message, true);
return addr;
};
$scope.onAddressChange = function(value) {
var addr;
console.log('[send.js.391:value:]', value); //TODO
$scope.error = $scope.success = null;
if (!value) return '';
if (value.indexOf('bitcoin:') === 0) {
return $scope.setFromUri(value);
} else if (/^https?:\/\//.test(value)) {
return $scope.setFromPayPro(value);
}
return value;
};
$scope.openAddressBook = function() {
var modalInstance = $modal.open({
templateUrl: 'views/modals/address-book.html',
windowClass: 'large',
controller: function($scope, $modalInstance) {
$scope.showForm = null;
$scope.addressBook = w.addressBook;
$scope.hasEntry = function() {
return _.keys($scope.addressBook).length > 0 ? true : false;
};
$scope.toggleAddressBookEntry = function(key) {
w.toggleAddressBookEntry(key);
};
$scope.copyToSend = function(addr) {
$modalInstance.close(addr);
};
$scope.cancel = function() {
$scope.error = $scope.success = null;
$scope.toggleForm();
};
$scope.toggleForm = function() {
$scope.showForm = !$scope.showForm;
};
$scope.submitAddressBook = function(form) {
if (form.$invalid) {
return;
}
$timeout(function() {
var errorMsg;
var entry = {
"address": form.newaddress.$modelValue,
"label": form.newlabel.$modelValue
};
try {
w.setAddressBook(entry.address, entry.label);
} catch (e) {
console.log('[send.js:583]', e); //TODO
errorMsg = e.message;
}
if (errorMsg) {
$scope.error = errorMsg;
} else {
$scope.toggleForm();
$scope.success = 'New entry has been created';
}
$rootScope.$digest();
}, 500);
$timeout(function() {
$scope.error = $scope.success = null;
}, 5000);
return;
};
$scope.close = function() {
$modalInstance.dismiss('cancel');
};
},
});
modalInstance.result.then(function(addr) {
$scope.address = addr;
});
};
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});