sokol | minimal cross-platform standalone C headers | Game Engine library

Cannot read property '0' of undefined means that args is undefined.

You need to define the args variable before using it.

You can do something like this: const args = message.content.slice(PREFIX.length).trim().split(" ");

Next time you see this kind of error, make sure to check which variable is affected by the undefined issue. ^

For your index.js file, I should replace:

This is not possible.

An ethereum address (for an externally owner account, which is an account linked to a private key) is the last 20 bytes of keccak256(public_key). Since keccak256 is a hash function, and thus a one-way function, there is no way to recover the public key from the address.