pub fn op_keccak256(
        &mut self,
        current_call_frame: &mut CallFrame,
    ) -> Result<OpcodeSuccess, VMError> {
        let offset: usize = current_call_frame
            .stack
            .pop()?
            .try_into()
            .map_err(|_| VMError::VeryLargeNumber)?;
        let size: usize = current_call_frame
            .stack
            .pop()?
            .try_into()
            .map_err(|_| VMError::VeryLargeNumber)?;

        let gas_cost =
            gas_cost::keccak256(current_call_frame, size, offset).map_err(VMError::OutOfGas)?;

        self.increase_consumed_gas(current_call_frame, gas_cost)?;

        let value_bytes = current_call_frame.memory.load_range(offset, size)?;

        let mut hasher = Keccak256::new();
        hasher.update(value_bytes);
        let result = hasher.finalize();
        current_call_frame
            .stack
            .push(U256::from_big_endian(&result))?;

        Ok(OpcodeSuccess::Continue)
    }

let value_bytes = current_call_frame.memory.load_range(offset, size)?;

[88, 88, 32, 89]
PC
PC
KECCAK256
MSIZE

#[test]
fn test_non_compliance_keccak256() {
    let mut vm = new_vm_with_bytecode(Bytes::copy_from_slice(&[88, 88, 32, 89]))
    .unwrap();
    let mut current_call_frame = vm.call_frames.pop().unwrap();
    vm.execute(&mut current_call_frame);
    assert_eq!(current_call_frame.stack.stack[0], U256::from_str("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470").unwrap());
    assert_eq!(current_call_frame.stack.stack[1], U256::zero());
}

thread 'test_non_compliance_keccak256' panicked at crates/vm/levm/tests/edge_case_tests.rs:14:5:
assertion `left == right` failed
  left: 32
 right: 0
stack backtrace:
   0: rust_begin_unwind
             at /rustc/8adb4b30f40e6fbd21dc1ba26c3301c7eeb6de3c/library/std/src/panicking.rs:665:5
   1: core::panicking::panic_fmt
             at /rustc/8adb4b30f40e6fbd21dc1ba26c3301c7eeb6de3c/library/core/src/panicking.rs:76:14
   2: core::panicking::assert_failed_inner
   3: core::panicking::assert_failed
             at /home/mhoste/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panicking.rs:373:5
   4: edge_case_tests::test_non_compliance_keccak256
             at ./tests/edge_case_tests.rs:14:5
   5: edge_case_tests::test_non_compliance_keccak256::{{closure}}
             at ./tests/edge_case_tests.rs:9:35
   6: core::ops::function::FnOnce::call_once
             at /home/mhoste/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:250:5
   7: core::ops::function::FnOnce::call_once
             at /rustc/8adb4b30f40e6fbd21dc1ba26c3301c7eeb6de3c/library/core/src/ops/function.rs:250:5