text: def test_correct_abi_right_padding(tester, w3, get_contract_with_gas_estimation):
      selfcall_code_6 = """
  @external
  def hardtest(arg1: Bytes[64], arg2: Bytes[64]) -> Bytes[128]:
      return concat(arg1, arg2)
      """
  
      c = get_contract_with_gas_estimation(selfcall_code_6)
  
      assert c.hardtest(b"hello" * 5, b"hello" * 10) == b"hello" * 15
  
      # Make sure underlying structe is correctly right padded
      classic_contract = c._classic_contract
      func = classic_contract.functions.hardtest(b"hello" * 5, b"hello" * 10)
      tx = func.buildTransaction()
      del tx["chainId"]
      del tx["gasPrice"]
  
      tx["from"] = w3.eth.accounts[0]
      res = w3.toBytes(hexstr=tester.call(tx))
  
      static_offset = int.from_bytes(res[:32], "big")
      assert static_offset == 32
  
      dyn_section = res[static_offset:]
      assert len(dyn_section) % 32 == 0  # first right pad assert
  
      len_value = int.from_bytes(dyn_section[:32], "big")
  
      assert len_value == len(b"hello" * 15)
      assert dyn_section[32 : 32 + len_value] == b"hello" * 15  # noqa: E203
      # second right pad assert
      assert dyn_section[32 + len_value :] == b"\x00" * (  # noqa: E203
          len(dyn_section) - 32 - len_value
      )
  