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16 lines
625 B
16 lines
625 B
pragma solidity ^0.4.18;
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/**
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* @title ERC721 interface
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* @dev see https://github.com/ethereum/eips/issues/721
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*/
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contract ERC721 {
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event Transfer(address indexed _from, address indexed _to, uint256 _tokenId);
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event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId);
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function balanceOf(address _owner) public view returns (uint256 _balance);
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function ownerOf(uint256 _tokenId) public view returns (address _owner);
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function transfer(address _to, uint256 _tokenId) public;
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function approve(address _to, uint256 _tokenId) public;
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function takeOwnership(uint256 _tokenId) public;
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}
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