@ledgerhq/hw-app-icon
Version:
Ledger Hardware Wallet ICON Application API
55 lines • 1.97 kB
JavaScript
/********************************************************************************
* Ledger Node JS API for ICON
* (c) 2016-2017 Ledger
*
* Modifications (c) 2018 ICON Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
********************************************************************************/
// TODO use bip32-path library
export function splitPath(path) {
const result = [];
const components = path.split("/");
components.forEach(element => {
let number = parseInt(element, 10);
if (isNaN(number)) {
return; // FIXME shouldn't it throws instead?
}
if (element.length > 1 && element[element.length - 1] === "'") {
number += 0x80000000;
}
result.push(number);
});
return result;
}
export function foreach(arr, callback) {
function iterate(index, array, result) {
if (index >= array.length) {
return result;
}
else
return callback(array[index], index).then(function (res) {
result.push(res);
return iterate(index + 1, array, result);
});
}
return Promise.resolve().then(() => iterate(0, arr, []));
}
export function hexToBase64(hexString) {
return btoa((hexString.match(/\w{2}/g) || [])
.map(function (a) {
return String.fromCharCode(parseInt(a, 16));
})
.join(""));
}
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