mirror of https://github.com/BTCPrivate/copay.git
81 lines
2.1 KiB
JavaScript
81 lines
2.1 KiB
JavaScript
'use strict';
|
|
|
|
var preconditions = require('preconditions').singleton();
|
|
|
|
function HDPath() {}
|
|
|
|
/*
|
|
* Based on https://github.com/maraoz/bips/blob/master/bip-NNNN.mediawiki
|
|
* m / purpose' / copayerIndex / change / addressIndex
|
|
*/
|
|
var PURPOSE = 45;
|
|
var MAX_NON_HARDENED = 0x80000000 - 1;
|
|
|
|
var SHARED_INDEX = MAX_NON_HARDENED - 0;
|
|
var ID_INDEX = MAX_NON_HARDENED - 1;
|
|
|
|
var BIP45_PUBLIC_PREFIX = 'm/' + PURPOSE + '\'';
|
|
HDPath.BIP45_PUBLIC_PREFIX = BIP45_PUBLIC_PREFIX;
|
|
|
|
HDPath.Branch = function(addressIndex, isChange, copayerIndex) {
|
|
preconditions.shouldBeNumber(addressIndex);
|
|
preconditions.shouldBeBoolean(isChange);
|
|
var ret = 'm/' +
|
|
(typeof copayerIndex !== 'undefined' ? copayerIndex : SHARED_INDEX) + '/' +
|
|
(isChange ? 1 : 0) + '/' +
|
|
addressIndex;
|
|
return ret;
|
|
};
|
|
|
|
HDPath.FullBranch = function(addressIndex, isChange, copayerIndex) {
|
|
var sub = HDPath.Branch(addressIndex, isChange, copayerIndex);
|
|
sub = sub.substring(2);
|
|
return BIP45_PUBLIC_PREFIX + '/' + sub;
|
|
};
|
|
|
|
HDPath.indexesForPath = function(path) {
|
|
preconditions.shouldBeString(path);
|
|
var s = path.split('/');
|
|
return {
|
|
isChange: s[3] === '1',
|
|
addressIndex: parseInt(s[4]),
|
|
copayerIndex: parseInt(s[2])
|
|
};
|
|
};
|
|
|
|
HDPath.IdFullBranch = HDPath.FullBranch(0, false, ID_INDEX);
|
|
HDPath.IdBranch = HDPath.Branch(0, false, ID_INDEX);
|
|
HDPath.PURPOSE = PURPOSE;
|
|
HDPath.MAX_NON_HARDENED = MAX_NON_HARDENED;
|
|
HDPath.SHARED_INDEX = SHARED_INDEX;
|
|
HDPath.ID_INDEX = ID_INDEX;
|
|
|
|
HDPath.parseBitcoinURI = function(uri) {
|
|
var ret = {};
|
|
var data = decodeURIComponent(uri);
|
|
var splitDots = data.split(':');
|
|
ret.protocol = splitDots[0];
|
|
data = splitDots.slice(1).join(':');
|
|
var splitQuestion = data.split('?');
|
|
ret.address = splitQuestion[0];
|
|
|
|
if (splitQuestion.length > 1) {
|
|
var data = {};
|
|
var search = splitQuestion[1];
|
|
var parts = search.split('&');
|
|
var part;
|
|
var i = 0;
|
|
for (; i < parts.length; i++) {
|
|
part = parts[i].split('=');
|
|
data[part[0]] = decodeURIComponent(part[1]);
|
|
}
|
|
ret.amount = parseFloat(data.amount);
|
|
ret.message = data.message;
|
|
ret.merchant = data.r;
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
|
|
module.exports = HDPath;
|