pragma solidity ^0.4.24; import "./ERC721.sol"; import "../../access/roles/MinterRole.sol"; /** * @title ERC721Mintable * @dev ERC721 minting logic */ contract ERC721Mintable is ERC721, MinterRole { /** * @dev Function to mint tokens * @param to The address that will receive the minted tokens. * @param tokenId The token id to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address to, uint256 tokenId) public onlyMinter returns (bool) { _mint(to, tokenId); return true; } }