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oxen-core/src/cryptonote_core/cryptonote_tx_utils.h

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// Copyright (c) 2014-2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// 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
{
//---------------------------------------------------------------
keypair get_deterministic_keypair_from_height(uint64_t height);
bool get_deterministic_output_key (const account_public_address& address, const keypair& tx_key, size_t output_index, crypto::public_key& output_key);
bool validate_governance_reward_key (uint64_t height, const std::string& governance_wallet_address_str, size_t output_index, const crypto::public_key& output_key, const cryptonote::network_type nettype);
uint64_t governance_reward_formula (uint64_t base_reward);
bool block_has_governance_output (network_type nettype, cryptonote::block const &block);
bool height_has_governance_output (network_type nettype, int hard_fork_version, uint64_t height);
uint64_t derive_governance_from_block_reward (network_type nettype, const cryptonote::block &block);
uint64_t get_portion_of_reward (uint64_t portions, uint64_t total_service_node_reward);
uint64_t service_node_reward_formula (uint64_t base_reward, int hard_fork_version);
struct loki_miner_tx_context // NOTE(loki): All the custom fields required by Loki to use construct_miner_tx
{
using stake_portions = uint64_t;
loki_miner_tx_context(network_type type = MAINNET,
crypto::public_key const &winner = crypto::null_pkey,
std::vector<std::pair<account_public_address, stake_portions>> const &winner_info = {});
network_type nettype;
crypto::public_key snode_winner_key;
std::vector<std::pair<account_public_address, stake_portions>> snode_winner_info; // NOTE: If empty we use service_nodes::null_winner
uint64_t batched_governance; // NOTE: 0 until hardfork v10, then use blockchain::calc_batched_governance_reward
};
bool construct_miner_tx(
size_t height,
size_t median_weight,
uint64_t already_generated_coins,
size_t current_block_weight,
uint64_t fee,
const account_public_address &miner_address,
transaction& tx,
const blobdata& extra_nonce = blobdata(),
uint8_t hard_fork_version = 1,
const loki_miner_tx_context &miner_context = {});
struct block_reward_parts
{
uint64_t service_node_total;
uint64_t service_node_paid;
uint64_t governance;
uint64_t base_miner;
uint64_t base_miner_fee;
// NOTE: Post hardfork 10, adjusted base reward is the block reward with the
// governance amount removed. We still need the original base reward, so
// that we can calculate the 50% on the whole base amount, that should be
// allocated for the service node and fees.
// If this block contains the batched governance payment, this is
// included in the adjusted base reward.
// Before hardfork 10, this is the same value as original_base_reward
uint64_t adjusted_base_reward;
uint64_t original_base_reward;
uint64_t miner_reward() { return base_miner + base_miner_fee; }
};
struct loki_block_reward_context
{
using portions = uint64_t;
uint64_t height;
uint64_t fee;
uint64_t batched_governance; // Optional: 0 hardfork v10, then must be calculated using blockchain::calc_batched_governance_reward
std::vector<std::pair<account_public_address, portions>> snode_winner_info; // Optional: Check contributor portions add up, else set empty to use service_nodes::null_winner
};
// NOTE(loki): I would combine this into get_base_block_reward, but
// cryptonote_basic as a library is to be able to trivially link with
// cryptonote_core since it would have a circular dependency on Blockchain
// NOTE: Block reward function that should be called after hard fork v10
bool get_loki_block_reward(size_t median_weight, size_t current_block_weight, uint64_t already_generated_coins, int hard_fork_version, block_reward_parts &result, const loki_block_reward_context &loki_context);
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
rct::multisig_kLRki multisig_kLRki; //multisig info
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)
FIELD(multisig_kLRki)
if (real_output >= outputs.size())
return false;
END_SERIALIZE()
};
struct tx_destination_entry
{
std::string original;
uint64_t amount; //money
account_public_address addr; //destination address
bool is_subaddress;
bool is_integrated;
tx_destination_entry() : amount(0), addr(AUTO_VAL_INIT(addr)), is_subaddress(false), is_integrated(false) { }
tx_destination_entry(uint64_t a, const account_public_address &ad, bool is_subaddress) : amount(a), addr(ad), is_subaddress(is_subaddress), is_integrated(false) { }
tx_destination_entry(const std::string &o, uint64_t a, const account_public_address &ad, bool is_subaddress) : original(o), amount(a), addr(ad), is_subaddress(is_subaddress), is_integrated(false) { }
bool operator==(const tx_destination_entry& other) const
{
return amount == other.amount && addr == other.addr;
}
BEGIN_SERIALIZE_OBJECT()
FIELD(original)
VARINT_FIELD(amount)
FIELD(addr)
FIELD(is_subaddress)
FIELD(is_integrated)
END_SERIALIZE()
};
//---------------------------------------------------------------
crypto::public_key get_destination_view_key_pub(const std::vector<tx_destination_entry> &destinations, const boost::optional<cryptonote::tx_destination_entry>& change_addr);
bool construct_tx(const account_keys& sender_account_keys, std::vector<tx_source_entry> &sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::tx_destination_entry>& change_addr, const std::vector<uint8_t> &extra, transaction& tx, uint64_t unlock_time, uint8_t hf_version = cryptonote::network_version_7, bool is_staking = false);
struct loki_construct_tx_params
{
bool v4_allow_tx_types;
bool v3_per_output_unlock;
bool v3_is_staking_tx; // NOTE: Set to true manually if you need a staking transaction
bool v2_rct;
loki_construct_tx_params() = default;
loki_construct_tx_params(uint8_t hf_version)
{
*this = {};
v4_allow_tx_types = (hf_version >= cryptonote::network_version_11_infinite_staking);
v3_per_output_unlock = (hf_version >= cryptonote::network_version_9_service_nodes);
v2_rct = (hf_version >= cryptonote::network_version_7);
}
};
bool construct_tx_with_tx_key (const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::tx_destination_entry>& change_addr, const std::vector<uint8_t> &extra, transaction& tx, uint64_t unlock_time, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, const rct::RCTConfig &rct_config = { rct::RangeProofBorromean, 0}, rct::multisig_out *msout = NULL, bool shuffle_outs = true, loki_construct_tx_params const tx_params = {});
bool construct_tx_and_get_tx_key(const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::tx_destination_entry>& change_addr, const std::vector<uint8_t> &extra, transaction& tx, uint64_t unlock_time, crypto::secret_key &tx_key, std::vector<crypto::secret_key> &additional_tx_keys, const rct::RCTConfig &rct_config = { rct::RangeProofBorromean, 0}, rct::multisig_out *msout = NULL, loki_construct_tx_params const tx_params = {});
bool generate_output_ephemeral_keys(const size_t tx_version, bool &found_change,
const cryptonote::account_keys &sender_account_keys, const crypto::public_key &txkey_pub, const crypto::secret_key &tx_key,
const cryptonote::tx_destination_entry &dst_entr, const boost::optional<cryptonote::tx_destination_entry> &change_addr, const size_t output_index,
const bool &need_additional_txkeys, const std::vector<crypto::secret_key> &additional_tx_keys,
std::vector<crypto::public_key> &additional_tx_public_keys,
std::vector<rct::key> &amount_keys,
crypto::public_key &out_eph_public_key);
bool generate_output_ephemeral_keys(const size_t tx_version, const cryptonote::account_keys &sender_account_keys, const crypto::public_key &txkey_pub, const crypto::secret_key &tx_key,
const cryptonote::tx_destination_entry &dst_entr, const boost::optional<cryptonote::account_public_address> &change_addr, const size_t output_index,
const bool &need_additional_txkeys, const std::vector<crypto::secret_key> &additional_tx_keys,
std::vector<crypto::public_key> &additional_tx_public_keys,
std::vector<rct::key> &amount_keys,
crypto::public_key &out_eph_public_key) ;
bool generate_genesis_block(
block& bl
, std::string const & genesis_tx
, uint32_t nonce
);
bool get_block_longhash(const struct Blockchain *pb, const block& b, crypto::hash& res, const uint64_t height, const int miners);
void get_altblock_longhash(const block& b, crypto::hash& res, const uint64_t main_height, const uint64_t height,
const uint64_t seed_height, const crypto::hash& seed_hash);
crypto::hash get_block_longhash(const Blockchain *pb, const block& b, const uint64_t height, const int miners);
void get_block_longhash_reorg(const uint64_t split_height);
}
BOOST_CLASS_VERSION(cryptonote::tx_source_entry, 1)
BOOST_CLASS_VERSION(cryptonote::tx_destination_entry, 2)
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;
if (ver < 1)
return;
a & x.multisig_kLRki;
a & x.real_out_additional_tx_keys;
}
template <class Archive>
inline void serialize(Archive& a, cryptonote::tx_destination_entry& x, const boost::serialization::version_type ver)
{
a & x.amount;
a & x.addr;
if (ver < 1)
return;
a & x.is_subaddress;
if (ver < 2)
{
x.is_integrated = false;
return;
}
a & x.original;
a & x.is_integrated;
}
}
}
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