49fdd23d58
* Move secureApi to shell
* Extract isTestnet test
* Use mobx + subscriptions for status
* Re-add status indicator
* Add lerna
* Move intial packages to js/packages
* Move 3rdparty/{email,sms}-verification to correct location
* Move package.json & README to library src
* Move tests for library packages
* Move views & dapps to packages
* Move i18n to root
* Move shell to actual src (main app)
* Remove ~ references
* Change ~ to root (explicit imports)
* Finalise convert of ~
* Move views into dapps as well
* Move dapps to packages/
* Fix references
* Update css
* Update test spec locations
* Update tests
* Case fix
* Skip flakey tests
* Update enzyme
* Skip previously ignored tests
* Allow empty api for hw
* Re-add theme for embed
67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import { keccak_256 } from 'js-sha3'; // eslint-disable-line camelcase
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export function isChecksumValid (_address) {
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const address = _address.replace('0x', '');
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const hash = keccak_256(address.toLowerCase());
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for (let n = 0; n < 40; n++) {
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const char = address[n];
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const isLower = char !== char.toUpperCase();
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const isUpper = char !== char.toLowerCase();
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const hashval = parseInt(hash[n], 16);
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if ((hashval > 7 && isLower) || (hashval <= 7 && isUpper)) {
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return false;
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}
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}
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return true;
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}
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export function isAddress (address) {
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if (address && address.length === 42) {
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if (!/^(0x)?[0-9a-f]{40}$/i.test(address)) {
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return false;
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} else if (/^(0x)?[0-9a-f]{40}$/.test(address) || /^(0x)?[0-9A-F]{40}$/.test(address)) {
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return true;
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}
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return isChecksumValid(address);
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}
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return false;
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}
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export function toChecksumAddress (_address) {
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const address = (_address || '').toLowerCase();
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if (!isAddress(address)) {
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return '';
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}
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const hash = keccak_256(address.slice(-40));
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let result = '0x';
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for (let n = 0; n < 40; n++) {
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result = `${result}${parseInt(hash[n], 16) > 7 ? address[n + 2].toUpperCase() : address[n + 2]}`;
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}
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return result;
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}
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