ContractScan uses the following open source components.
Slither is a smart contract static analyzer developed by Trail of Bits. ContractScan invokes Slither as a subprocess CLI tool; its source code is not bundled with or distributed as part of ContractScan.
Licensed under the GNU Affero General Public License v3.0 (AGPL-3.0).
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc.
<https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this license
document, but changing it is not allowed.
PREAMBLE
The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.
The full text of the GNU AGPL v3.0 is available at:
https://www.gnu.org/licenses/agpl-3.0.txt
Slither source code: https://github.com/crytic/slither
Mythril is a symbolic execution engine for EVM bytecode developed by ConsenSys. ContractScan invokes Mythril as a subprocess CLI tool.
Licensed under the MIT License.
MIT License
Copyright (c) ConsenSys AG
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
Mythril source code: https://github.com/Consensys/mythril
Semgrep is a pattern-matching static analysis engine. ContractScan's custom Semgrep rules are MIT-licensed. The Semgrep engine itself is licensed under LGPL-2.1.
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
The full text of the GNU LGPL v2.1 is available at:
https://www.gnu.org/licenses/lgpl-2.1.txt
Semgrep source code: https://github.com/semgrep/semgrep