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Make getApproved constant view

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William Entriken 2018-02-28 23:54:45 -05:00 committed by GitHub
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EIPS/eip-721.md
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@ -132,7 +132,7 @@ interface ERC721 /* is ERC165 */ {
/// @dev Throws if `_tokenId` is not a valid NFT
/// @param _tokenId The NFT to find the approved address for
/// @return The approved address for this NFT, or the zero address if there is none
function getApproved(uint256 _tokenId) external returns (address);
function getApproved(uint256 _tokenId) external view returns (address);
/// @notice Query if an address is an authorized operator for another address
/// @param _owner The address that owns the NFTs