Mastering Blockchain Programming with Solidity

ERC721 inherits from IERC721 and ERC165

The ERC721.sol contract contains the basic implementation of the ERC721 NFT Standard. The ERC721 contract inherits from other contracts: ERC165 and IERC721. The inheritance is defined in the contract as follows:

contract ERC721 is ERC165, IERC721 {

The ERC165 and IERC721 contracts further inherit IERC165, as shown in the following diagram:

Inheritance of the ERC721 contract generated using the surya tool

The ERC721 contract contains the basic implementation of ERC721 standard. The contract imports from IERC721 interface and provides the definition to each function. Furthermore, the ERC721 contract implements ...