use constant for ERC721 callback
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@ -32,7 +32,7 @@ contract NFTBucket is IERC165, IERC721Receiver {
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bytes32 code;
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}
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bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
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bytes4 private constant _ERC721_RECEIVED = 0x150b7a02; //bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))
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bytes32 constant EIP712DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
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bytes32 constant REDEEM_TYPEHASH = keccak256("Redeem(uint256 blockNumber,bytes32 blockHash,address receiver,bytes32 code)");
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@ -169,6 +169,6 @@ contract NFTBucket is IERC165, IERC721Receiver {
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gift.tokenID = _tokenID;
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gift.code = code;
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return 0x150b7a02; //bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))
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return _ERC721_RECEIVED;
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}
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}
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