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关于ERC721Token授权的问题

 2 years ago
source link: https://learnblockchain.cn/question/2429
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关于ERC721Token授权的问题 | 登链社区 | 技术问答

关于ERC721Token授权的问题

ERC721的Token不能在一个合约方法中授权并转移吗？

IERC721(tokenadr).approve(address(this), _nftid);  
IERC721(tokenadr).safeTransferFrom(msg.sender, address(this), _nftid);

上面这个方法会报错：ERC721: approve caller is not owner nor approved for all


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