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23 lines
682 B
23 lines
682 B
pragma solidity ^0.5.0;
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import "../token/ERC721/IERC721Receiver.sol";
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contract ERC721ReceiverMock is IERC721Receiver {
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bytes4 private _retval;
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bool private _reverts;
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event Received(address operator, address from, uint256 tokenId, bytes data, uint256 gas);
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constructor (bytes4 retval, bool reverts) public {
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_retval = retval;
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_reverts = reverts;
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}
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function onERC721Received(address operator, address from, uint256 tokenId, bytes memory data)
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public returns (bytes4)
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{
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require(!_reverts, "ERC721ReceiverMock: reverting");
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emit Received(operator, from, tokenId, data, gasleft());
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return _retval;
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}
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}
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