mirror of https://github.com/oxen-io/oxen-core.git
340 lines
17 KiB
C++
340 lines
17 KiB
C++
// Copyright (c) 2014-2019, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#include "cryptonote_basic/cryptonote_format_utils.h"
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#include <boost/serialization/vector.hpp>
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#include <boost/serialization/utility.hpp>
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#include "ringct/rctOps.h"
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#include "cryptonote_core/service_node_list.h"
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#include "cryptonote_basic/verification_context.h"
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namespace cryptonote
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{
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//---------------------------------------------------------------
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keypair get_deterministic_keypair_from_height(uint64_t height);
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bool get_deterministic_output_key (const account_public_address& address, const keypair& tx_key, size_t output_index, crypto::public_key& output_key);
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bool validate_governance_reward_key (uint64_t height, std::string_view governance_wallet_address_str, size_t output_index, const crypto::public_key& output_key, const cryptonote::network_type nettype);
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uint64_t governance_reward_formula (uint8_t hf_version, uint64_t base_reward = 0);
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bool block_has_governance_output (network_type nettype, cryptonote::block const &block);
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bool height_has_governance_output (network_type nettype, uint8_t hard_fork_version, uint64_t height);
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uint64_t derive_governance_from_block_reward (network_type nettype, const cryptonote::block &block, uint8_t hf_version);
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std::vector<uint64_t> distribute_reward_by_portions(const std::vector<service_nodes::payout_entry>& payout, uint64_t total_reward, bool distribute_remainder);
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uint64_t get_portion_of_reward (uint64_t portions, uint64_t total_service_node_reward);
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uint64_t service_node_reward_formula (uint64_t base_reward, uint8_t hard_fork_version);
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/**
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* Returned type of parse_incoming_txs() that provides details about which transactions failed
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* and why. This is passed on to handle_parsed_txs() (potentially after modification such as
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* setting `approved_blink`) to handle_parsed_txs() to actually insert the transactions.
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*/
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struct tx_verification_batch_info {
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cryptonote::tx_verification_context tvc{}; // Verification information
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bool parsed = false; // Will be true if we were able to at least parse the transaction
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bool result = false; // Indicates that the transaction was parsed and passed some basic checks
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bool already_have = false; // Indicates that the tx was found to already exist (in mempool or blockchain)
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bool approved_blink = false; // Can be set between the parse and handle calls to make this a blink tx (that replaces conflicting non-blink txes)
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const blobdata *blob = nullptr; // Will be set to a pointer to the incoming blobdata (i.e. string). caller must keep it alive!
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crypto::hash tx_hash; // The transaction hash (only set if `parsed`)
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transaction tx; // The parsed transaction (only set if `parsed`)
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};
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struct oxen_miner_tx_context
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{
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static oxen_miner_tx_context miner_block(network_type nettype,
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cryptonote::account_public_address const &block_producer,
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service_nodes::payout const &block_leader = service_nodes::null_payout)
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{
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oxen_miner_tx_context result = {};
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result.nettype = nettype;
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result.miner_block_producer = block_producer;
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result.block_leader = block_leader;
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return result;
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}
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static oxen_miner_tx_context pulse_block(network_type nettype,
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service_nodes::payout const &block_producer,
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service_nodes::payout const &block_leader = service_nodes::null_payout)
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{
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oxen_miner_tx_context result = {};
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result.pulse = true;
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result.nettype = nettype;
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result.pulse_block_producer = block_producer;
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result.block_leader = block_leader;
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return result;
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}
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network_type nettype = MAINNET;
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bool pulse; // If true, pulse_.* varables are set, otherwise miner_block_producer is set, determining who should get the coinbase reward.
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service_nodes::payout pulse_block_producer; // Can be different from the leader in Pulse if the original leader fails to complete the round, the block producer changes.
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account_public_address miner_block_producer;
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service_nodes::payout block_leader; // Winner from the Service Node queuing in the Service Node List.
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uint64_t batched_governance; // NOTE: 0 until hardfork v10, then use blockchain::calc_batched_governance_reward
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};
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enum struct reward_type
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{
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miner,
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snode,
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governance
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};
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struct reward_payout
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{
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reward_type type;
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account_public_address address;
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uint64_t amount;
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bool operator==(service_nodes::payout_entry const &other) const { return address == other.address; }
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reward_payout() = default;
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reward_payout(reward_type t, account_public_address addr, uint64_t amt): type{t}, address{std::move(addr)}, amount{amt} {}
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};
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std::pair<bool, uint64_t> construct_miner_tx(
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size_t height,
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size_t median_weight,
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uint64_t already_generated_coins,
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size_t current_block_weight,
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uint64_t fee,
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transaction& tx,
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const oxen_miner_tx_context &miner_context,
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const std::optional<std::vector<cryptonote::batch_sn_payment>> sn_rwds,
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const blobdata& extra_nonce = blobdata(),
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uint8_t hard_fork_version = 1);
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struct block_reward_parts
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{
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uint64_t service_node_total;
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uint64_t governance_due;
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uint64_t governance_paid;
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uint64_t base_miner;
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uint64_t miner_fee;
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/// The base block reward from which non-miner amounts (i.e. SN rewards and governance fees) are
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/// calculated. Before HF 13 this was (mistakenly) reduced by the block size penalty for
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/// exceeding the median block size; starting in HF 13 the miner pays the full penalty.
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uint64_t original_base_reward;
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};
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struct oxen_block_reward_context
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{
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using portions = uint64_t;
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bool testnet_override;
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uint64_t height;
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uint64_t fee;
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uint64_t batched_governance; // Optional: 0 hardfork v10, then must be calculated using blockchain::calc_batched_governance_reward
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std::vector<service_nodes::payout_entry> block_leader_payouts = {service_nodes::null_payout_entry};
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};
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// NOTE(oxen): I would combine this into get_base_block_reward, but
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// cryptonote_basic as a library is to be able to trivially link with
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// cryptonote_core since it would have a circular dependency on Blockchain
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// NOTE: Block reward function that should be called after hard fork v10
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bool get_oxen_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 oxen_block_reward_context &oxen_context);
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struct tx_source_entry
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{
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using output_entry = std::pair<uint64_t, rct::ctkey>;
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std::vector<output_entry> outputs; //index + key + optional ringct commitment
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size_t real_output; //index in outputs vector of real output_entry
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crypto::public_key real_out_tx_key; //incoming real tx public key
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std::vector<crypto::public_key> real_out_additional_tx_keys; //incoming real tx additional public keys
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size_t real_output_in_tx_index; //index in transaction outputs vector
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uint64_t amount; //money
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bool rct; //true if the output is rct
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rct::key mask; //ringct amount mask
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rct::multisig_kLRki multisig_kLRki; //multisig info
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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)}))); }
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BEGIN_SERIALIZE_OBJECT()
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FIELD(outputs)
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FIELD(real_output)
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FIELD(real_out_tx_key)
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FIELD(real_out_additional_tx_keys)
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FIELD(real_output_in_tx_index)
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FIELD(amount)
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FIELD(rct)
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FIELD(mask)
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FIELD(multisig_kLRki)
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if (real_output >= outputs.size())
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throw std::invalid_argument{"invalid real_output size"};
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END_SERIALIZE()
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};
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struct tx_destination_entry
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{
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std::string original;
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uint64_t amount; //money
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account_public_address addr; //destination address
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bool is_subaddress;
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bool is_integrated;
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tx_destination_entry() : amount(0), addr{}, is_subaddress(false), is_integrated(false) { }
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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) { }
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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) { }
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bool operator==(const tx_destination_entry& other) const
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{
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return amount == other.amount && addr == other.addr;
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}
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std::string address(network_type nettype, const crypto::hash &payment_id) const
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{
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if (!original.empty())
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{
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return original;
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}
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if (is_integrated)
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{
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return get_account_integrated_address_as_str(nettype, addr, reinterpret_cast<const crypto::hash8 &>(payment_id));
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}
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return get_account_address_as_str(nettype, is_subaddress, addr);
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}
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BEGIN_SERIALIZE_OBJECT()
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FIELD(original)
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VARINT_FIELD(amount)
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FIELD(addr)
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FIELD(is_subaddress)
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FIELD(is_integrated)
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END_SERIALIZE()
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};
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struct oxen_construct_tx_params
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{
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uint8_t hf_version = cryptonote::network_version_7;
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txtype tx_type = txtype::standard;
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// Can be set to non-zero values to have the tx be constructed specifying required burn amounts
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// Note that the percentage is relative to the minimal base tx fee, *not* the actual tx fee.
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//
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// For example if the base tx fee is 0.5, the priority sets the fee to 500%, the fixed burn
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// amount is 0.1, and the percentage burn is 300% then the tx overall fee will be 0.1+2.5=2.6,
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// and the burn amount will be 0.1+3(0.5)=1.6 (and thus the miner tx coinbase amount will be
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// 1.0). (See also wallet2's get_fee_percent which needs to return a value large enough to
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// allow these amounts to be burned).
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uint64_t burn_fixed = 0; // atomic units
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uint64_t burn_percent = 0; // 123 = 1.23x base fee.
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};
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//---------------------------------------------------------------
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crypto::public_key get_destination_view_key_pub(const std::vector<tx_destination_entry> &destinations, const std::optional<cryptonote::tx_destination_entry>& change_addr);
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bool construct_tx(const account_keys& sender_account_keys, std::vector<tx_source_entry> &sources, const std::vector<tx_destination_entry>& destinations, const std::optional<cryptonote::tx_destination_entry>& change_addr, const std::vector<uint8_t> &extra, transaction& tx, uint64_t unlock_time, const oxen_construct_tx_params &tx_params = {});
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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 std::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::multisig_out *msout = NULL, bool shuffle_outs = true, oxen_construct_tx_params const &tx_params = {});
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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 std::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::multisig_out *msout = NULL, oxen_construct_tx_params const &tx_params = {});
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bool generate_output_ephemeral_keys(const size_t tx_version, bool &found_change,
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const cryptonote::account_keys &sender_account_keys, const crypto::public_key &txkey_pub, const crypto::secret_key &tx_key,
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const cryptonote::tx_destination_entry &dst_entr, const std::optional<cryptonote::tx_destination_entry> &change_addr, const size_t output_index,
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const bool &need_additional_txkeys, const std::vector<crypto::secret_key> &additional_tx_keys,
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std::vector<crypto::public_key> &additional_tx_public_keys,
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std::vector<rct::key> &amount_keys,
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crypto::public_key &out_eph_public_key);
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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,
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const cryptonote::tx_destination_entry &dst_entr, const std::optional<cryptonote::account_public_address> &change_addr, const size_t output_index,
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const bool &need_additional_txkeys, const std::vector<crypto::secret_key> &additional_tx_keys,
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std::vector<crypto::public_key> &additional_tx_public_keys,
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std::vector<rct::key> &amount_keys,
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crypto::public_key &out_eph_public_key) ;
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bool generate_genesis_block(block& bl, network_type nettype);
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struct randomx_longhash_context
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{
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uint64_t seed_height;
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crypto::hash seed_block_hash;
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uint64_t current_blockchain_height;
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randomx_longhash_context() = default;
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randomx_longhash_context(const Blockchain *pbc, const block& b /*block to longhash*/, const uint64_t height);
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};
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class Blockchain;
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crypto::hash get_block_longhash(cryptonote::network_type nettype, randomx_longhash_context const &randomx_context, const block& b, uint64_t height, int miners);
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crypto::hash get_altblock_longhash(cryptonote::network_type nettype, randomx_longhash_context const &randomx_context, const block& b, uint64_t height);
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crypto::hash get_block_longhash_w_blockchain(cryptonote::network_type nettype, const Blockchain *pb, const block& b, uint64_t height, int miners);
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void get_block_longhash_reorg(const uint64_t split_height);
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}
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BOOST_CLASS_VERSION(cryptonote::tx_source_entry, 1)
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BOOST_CLASS_VERSION(cryptonote::tx_destination_entry, 2)
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namespace boost
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{
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namespace serialization
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{
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template <class Archive>
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inline void serialize(Archive &a, cryptonote::tx_source_entry &x, const boost::serialization::version_type ver)
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{
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a & x.outputs;
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a & x.real_output;
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a & x.real_out_tx_key;
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a & x.real_output_in_tx_index;
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a & x.amount;
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a & x.rct;
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a & x.mask;
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if (ver < 1)
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return;
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a & x.multisig_kLRki;
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a & x.real_out_additional_tx_keys;
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}
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template <class Archive>
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inline void serialize(Archive& a, cryptonote::tx_destination_entry& x, const boost::serialization::version_type ver)
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{
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a & x.amount;
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a & x.addr;
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if (ver < 1)
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return;
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a & x.is_subaddress;
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if (ver < 2)
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{
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x.is_integrated = false;
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return;
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}
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a & x.original;
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a & x.is_integrated;
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}
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}
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}
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