cryptonote_tx_utils.h

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// Copyrights(c) 2017-2019, The Electroneum Project
// Copyrights(c) 2014-2017, The Monero Project
// 
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//    of conditions and the following disclaimer in the documentation and/or other
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers

#pragma once
#include "cryptonote_basic/cryptonote_format_utils.h"
#include <boost/serialization/vector.hpp>
#include <boost/serialization/utility.hpp>
#include "ringct/rctOps.h"

namespace cryptonote
{
  //---------------------------------------------------------------
  bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce = blobdata(), size_t max_outs = 999, uint8_t hard_fork_version = 1, bool testnet = false);

  struct tx_source_entry
  {
    typedef std::pair<uint64_t, rct::ctkey> output_entry;

    std::vector<output_entry> outputs;  //index + key + optional ringct commitment
    size_t real_output;                 //index in outputs vector of real output_entry
    crypto::public_key real_out_tx_key; //incoming real tx public key
    std::vector<crypto::public_key> real_out_additional_tx_keys; //incoming real tx additional public keys
    size_t real_output_in_tx_index;     //index in transaction outputs vector
    uint64_t amount;                    //money
    bool rct;                           //true if the output is rct
    rct::key mask;                      //ringct amount mask

    void push_output(uint64_t idx, const crypto::public_key &k, uint64_t amount) { outputs.push_back(std::make_pair(idx, rct::ctkey({rct::pk2rct(k), rct::zeroCommit(amount)}))); }

    BEGIN_SERIALIZE_OBJECT()
      FIELD(outputs)
      FIELD(real_output)
      FIELD(real_out_tx_key)
      FIELD(real_out_additional_tx_keys)
      FIELD(real_output_in_tx_index)
      FIELD(amount)
      FIELD(rct)
      FIELD(mask)

      if (real_output >= outputs.size())
        return false;
    END_SERIALIZE()
  };

  struct tx_destination_entry
  {
    uint64_t amount;                    //money
    account_public_address addr;        //destination address

    tx_destination_entry() : amount(0), addr(AUTO_VAL_INIT(addr)) { }
    tx_destination_entry(uint64_t a, const account_public_address &ad) : amount(a), addr(ad) { }

    BEGIN_SERIALIZE_OBJECT()
      VARINT_FIELD(amount)
      FIELD(addr)
    END_SERIALIZE()
  };

  //---------------------------------------------------------------
  crypto::public_key get_destination_view_key_pub(const std::vector<tx_destination_entry> &destinations, const account_keys &sender_keys);
  bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time);
  bool construct_tx_and_get_tx_key(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, crypto::secret_key &tx_key, bool rct = false);

  bool generate_genesis_block(
      block& bl
    , std::string const & genesis_tx
    , uint32_t nonce
    );

}

BOOST_CLASS_VERSION(cryptonote::tx_source_entry, 0)

namespace boost
{
  namespace serialization
  {
    template <class Archive>
    inline void serialize(Archive &a, cryptonote::tx_source_entry &x, const boost::serialization::version_type ver)
    {
      a & x.outputs;
      a & x.real_output;
      a & x.real_out_tx_key;
      a & x.real_output_in_tx_index;
      a & x.amount;
      a & x.rct;
      a & x.mask;
    }
  }
}