Option to expand setabi abi

[heifner]

cleos has the ability to unpack_transaction with --unpack-action-data, for example:
cleos convert unpack_transaction --unpack-action-data t.txt
If the transaction is a eosio::setabi it would be nice to have some way to expand the setabi abi field.

t.txt

{
"compression":
"zlib",
"packed_context_free_data":
"",
"packed_trx":
"78daf314894c79adf665e3b75d0c40c00822185e198482a81dc99b0e010526f024ccdab71a24b0e2ad91d176b8c85a46bed4fce2cc7c2babc4a44c7d433d030666ce92a2c4bce2b4d4a262065696b4a2fc5c96bcc4dc54a6927c30cd51589a9857925952c99a585c9c5ac2929b9a9bcf565c52949997ce9a9c5f9a57c29a99576266c2999c919a9c5d5a9c52c2c0c0016603ad61606066603810ae6b73f62c92250c0c2738b33b429c91b53030ccd0020a21e98402002532487e",
"signatures":
[
"SIG_K1_Kd5ennMQtr25EVpwretDaeqm9gVKZUkkDKX6HHJQ4dMrMjGDKYS4LAF4bs5j7u1Wfc8Y5trZZZwn39Gy3on7ZxWLb43vPX"
]
}

./cleos -u http://mainnet.genereos.io convert unpack_transaction --unpack-action-data t.txt
outputs:

{
  "expiration": "2023-05-08T15:24:57",
  "ref_block_num": 9963,
  "ref_block_prefix": 3136729588,
  "max_net_usage_words": 0,
  "max_cpu_usage_ms": 0,
  "delay_sec": 0,
  "context_free_actions": [],
  "actions": [{
      "account": "eosio",
      "name": "setabi",
      "authorization": [{
          "actor": "pizdos.gm",
          "permission": "active"
        }
      ],
      "data": {
        "account": "pizdos.gm",
        "abi": "0e656f73696f3a3a6162692f312e300003097472616e736665727300050466726f6d046e616d6502746f046e616d65087175616e74697479056173736574046d656d6f06737472696e6705636f756e7405696e74363409636865636b75736474000008636865636b656f730000030000c0572d3ccdcd097472616e7366657273000000c8096b88544309636865636b7573647400000000982a88544308636865636b656f730000000000000000"
      },
      "hex_data": "0000900c609abeabad010e656f73696f3a3a6162692f312e300003097472616e736665727300050466726f6d046e616d6502746f046e616d65087175616e74697479056173736574046d656d6f06737472696e6705636f756e7405696e74363409636865636b75736474000008636865636b656f730000030000c0572d3ccdcd097472616e7366657273000000c8096b88544309636865636b7573647400000000982a88544308636865636b656f730000000000000000"
    }
  ],
  "transaction_extensions": [],
  "signatures": [
    "SIG_K1_Kd5ennMQtr25EVpwretDaeqm9gVKZUkkDKX6HHJQ4dMrMjGDKYS4LAF4bs5j7u1Wfc8Y5trZZZwn39Gy3on7ZxWLb43vPX"
  ],
  "context_free_data": []
}

Would be nice to have an ability to expand that abi hex string.

Here is an example abieos program that will expand the hex string:

#include <eosio/abi.hpp>
#include <eosio/from_bin.hpp>
#include <eosio/from_json.hpp>
#include <fstream>
#include <iostream>

int main(int argc, char** argv) {
    if (argc != 2) {
        std::cerr << "Usage: " << argv[0] << " abifile.\n";
        return 1;
    }

    std::ifstream in_file(argv[1]);
    std::string abi_hex{std::istreambuf_iterator<char>(in_file), std::istreambuf_iterator<char>()};
    if (abi_hex[0] == '"' && abi_hex.back() == '"')
        abi_hex = abi_hex.substr(1, abi_hex.size() - 2);

    std::vector<char> abi_binary(abi_hex.size() / 2);
    if (eosio::unhex(abi_binary.data(), abi_hex.begin(), abi_hex.end())) {

        eosio::input_stream istrm(abi_binary);
        eosio::abi_def abi;
        eosio::from_bin(abi, istrm);

        std::vector<char> obuf;
        eosio::vector_stream ostrm(obuf);
        eosio::to_json(abi, ostrm);

        std::copy(obuf.begin(), obuf.end(), std::ostream_iterator<char>(std::cout));

        return 0;
    } else {
        std::cerr << "unhex error\n";
        return 1;
    }
}

If done in cleos would want to use abi_serializer with abidef definition to expand the hex string.

Should this be an option to unpack_transaction, unpack_action_data ?