16 lines
523 B
Solidity
16 lines
523 B
Solidity
pragma solidity ^0.5.2;
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import "zos-lib/contracts/Initializable.sol";
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import "./IERC721.sol";
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/**
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* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
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* @dev See https://eips.ethereum.org/EIPS/eip-721
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*/
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contract IERC721Enumerable is Initializable, IERC721 {
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function totalSupply() public view returns (uint256);
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function tokenOfOwnerByIndex(address owner, uint256 index) public view returns (uint256 tokenId);
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function tokenByIndex(uint256 index) public view returns (uint256);
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}
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