// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

import { url as externalUrl } from '@parity/etherscan/links';

const leading0x = /^0x/;

const etherscanUrl = (hash, isTestnet, netVersion) => {
  hash = hash.toLowerCase().replace(leading0x, '');
  const type = hash.length === 40 ? 'address' : 'tx';

  return `${externalUrl(isTestnet, netVersion)}/${type}/0x${hash}`;
};

export default etherscanUrl;