2020-09-30 10:17:50 +00:00
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pragma solidity ^0.6.1;
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2020-05-18 09:39:53 +00:00
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/// @title ERC-721 Non-Fungible Token Standard, optional metadata extension
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/// @dev See https://eips.ethereum.org/EIPS/eip-721
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/// Note: the ERC-165 identifier for this interface is 0x5b5e139f.
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interface IERC721Metadata /* is ERC721 */ {
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/// @notice A descriptive name for a collection of NFTs in this contract
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function name() external view returns (string memory _name);
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/// @notice An abbreviated name for NFTs in this contract
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function symbol() external view returns (string memory _symbol);
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/// @notice A distinct Uniform Resource Identifier (URI) for a given asset.
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/// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC
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/// 3986. The URI may point to a JSON file that conforms to the "ERC721
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/// Metadata JSON Schema".
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function tokenURI(uint256 _tokenId) external view returns (string memory);
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}
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