Call a contract from another contract with the same msg.sender address

[maestroh1git]

@Zero I believe you are making wrong assumptions on how delegatecall works.
Check this response from @helio.rosa

ERC721 setApprovalForAll by delegateCall

Hello everyone, I'm developing an NFTStore. The user should set the NFTStore as operator for transfer, I created a function in the store that call the setApprovalForAll passing the NFTStore address by delegateCall to garantee that msg.sender is the same of the token owner, but I always getting error. Can anyone give me any advice on how to achieve this? I don't need to set the NFTStore has ERC721Holder because he only transfer nfts. Here is the code, where manager is the address of the NFTS…