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I am working on a project and I was wondering if its possible to retrieve the bytecode of another smart contract on Ethereum though my smart contract ?

So basically, I will have a copy of that smart contract, then I can process it in an off-chain solution.

Is this possible ?

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  • You don't need a smart contract to grab the bytecode of a contract to process it off chain, you can directly grab it with eth_getCode. You probably want to save the cost of deploying the contract and go that way
    – Foxxxey
    Sep 2 at 23:03

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In solidity:

contract Foo {
  function foo(address bar) public view returns (bytes memory) {
    return bar.code;
  } 
}

The opcode is EXTCODECOPY

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