Skip to main content

All Questions

Filter by
Sorted by
Tagged with
2 votes
2 answers
4k views

How can I invoke an approve() function call from the user and not the contract?

I am working on a basic staking platform for practice. I understand that the user of the platform has to call the approve() function and pass the contract into it in order for the contract to use the ...
0 votes
1 answer
278 views

Call function from deployed contract

I have a deployed contract (contract A) which should act as a storage (let's say 0xD7ACd2a9FD159E69Bb102A1ca21C9a3e3A5F771B). Now from my ERC20 Token contract (contract B), I am calling approve to the ...
1 vote
1 answer
1k views

Is it possible to transfer token from other address if I have private key from it?

I know that if someone owns tokens he can simply call transfer method of contract to send money. I also know that for ERC20 contract owner of tokens can call approve for my account, and then I can ...