#include "wallet2½.hpp"

#include <ringct/rctSigs.h>
#include <cryptonote_basic/cryptonote_format_utils.h>

namespace wallet25
{
  // TODO: copied from wallet2 for now, so to not redo crypto stuff just yet.
  //
  // Definitely quite nasty and needs revisited.
  uint64_t
  output_amount(
      const rct::rctSig& rv,
      const crypto::key_derivation& derivation,
      unsigned int i,
      rct::key& mask,
      hw::device& hwdev)
  {
    crypto::secret_key scalar1;
    hwdev.derivation_to_scalar(derivation, i, scalar1);
    switch (rv.type)
    {
      case rct::RCTType::Simple:
      case rct::RCTType::Bulletproof:
      case rct::RCTType::Bulletproof2:
      case rct::RCTType::CLSAG:
        return rct::decodeRctSimple(rv, rct::sk2rct(scalar1), i, mask, hwdev);
      case rct::RCTType::Full:
        return rct::decodeRct(rv, rct::sk2rct(scalar1), i, mask, hwdev);
      default:
        throw std::invalid_argument("Unsupported rct type");
    }
  }

  crypto::hash
  tx_hash(const cryptonote::transaction& tx)
  {
    crypto::hash h;

    // this can technically return false, but practially won't and will be replaced.
    cryptonote::get_transaction_hash(tx, h, nullptr);
    return h;
  }

  cryptonote::transaction
  tx_from_blob(const std::string_view blob)
  {
    cryptonote::transaction t;
    parse_and_validate_tx_from_blob(blob, t);
    return t;
  }
}  // namespace wallet2½
