Technical Information

This project has been developed with Solidity language, using Hardhat as a development environment. JavaScript is the selecting language for testing and scripting.

In addition, there are a number of third-party contracts that are used in the project:

1. OpenZeppelin's libraries.

2. OpenGSN's libraries.

3. Azuki's ERC721A.sol, which was slightly modified.

4. RoyaltyEngine.

5. 1inch contracts.

6. Rarible contracts.

7. OpenSea contracts.

8. Squid contracts.

9. Thirdweb libraries.

10. Axelar contracts.

11. Chainlink VRF contracts.

12. Chainlink CCIP contracts.

13. Chainlink Automation contracts.

14. Uniswap contracts.

15. Gelato contracts.

Our contracts are licenced under BUSL 1.1 licence with an expiration date of 2027.01.01, after which it will turn into GNUv2.0 licence, with an exception of EeseePaymaster, EeseeUniswapBase, EeseePeripheryUniswap and EeseeSwapUniswap which are licenced under GPL-3.0-only.