Hi everyone ! I am trying to create 2 smart contracts : one for an ERC20 and the other for an ERC721. What I want to do now is to buy a token of ERC721 by sending ERC20 amount to the seller balance. The problem is really simple : When I call the transfer() fonction from the ERC721 contract with to…

Hi @Aymane , Welcome to the community :wave: If you use transfer then the contract needs to hold tokens. If you use transferFrom then the token holder needs to have approved an allowance of tokens for the contract to transfer. I suggest looking at: Example on how to use ERC20 token in another con…

ERC20: transfer amount exceeds balance

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abcoathup March 10, 2021, 3:05am 4

Hi @Aymane,

Glad it worked. When you get a chance you can Introduce yourself here!

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ERC20: transfer amount exceeds balance

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