43 lines
745 B
Solidity
43 lines
745 B
Solidity
pragma solidity ^0.4.24;
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import "../token/ERC721/IERC721Receiver.sol";
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contract ERC721ReceiverMock is IERC721Receiver {
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bytes4 internal retval_;
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bool internal reverts_;
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event Received(
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address operator,
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address from,
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uint256 tokenId,
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bytes data,
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uint256 gas
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);
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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(
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address _operator,
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address _from,
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uint256 _tokenId,
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bytes _data
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)
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public
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returns(bytes4)
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{
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require(!reverts_);
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emit Received(
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_operator,
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_from,
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_tokenId,
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_data,
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gasleft() // msg.gas was deprecated in solidityv0.4.21
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);
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return retval_;
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}
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}
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