9ef8c7b694
The tests for rejection of unmixable outputs in v2 are commented out, as there are no unmixable outputs created anymore. This should be restored at some point.
241 lines
11 KiB
C++
241 lines
11 KiB
C++
// Copyright (c) 2014-2016, 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_protocol/cryptonote_protocol_defs.h"
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#include "cryptonote_core/cryptonote_basic_impl.h"
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#include "account.h"
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#include "include_base_utils.h"
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#include "crypto/crypto.h"
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#include "crypto/hash.h"
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namespace cryptonote
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{
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//---------------------------------------------------------------
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void get_transaction_prefix_hash(const transaction_prefix& tx, crypto::hash& h);
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crypto::hash get_transaction_prefix_hash(const transaction_prefix& tx);
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bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx, crypto::hash& tx_hash, crypto::hash& tx_prefix_hash);
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bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx);
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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);
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bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key);
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bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key);
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struct tx_source_entry
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{
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typedef std::pair<uint64_t, crypto::public_key> output_entry;
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std::vector<output_entry> outputs; //index + key
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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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size_t real_output_in_tx_index; //index in transaction outputs vector
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uint64_t amount; //money
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};
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struct tx_destination_entry
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{
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uint64_t amount; //money
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account_public_address addr; //destination address
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tx_destination_entry() : amount(0), addr(AUTO_VAL_INIT(addr)) { }
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tx_destination_entry(uint64_t a, const account_public_address &ad) : amount(a), addr(ad) { }
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};
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//---------------------------------------------------------------
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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);
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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 &txkey);
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template<typename T>
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bool find_tx_extra_field_by_type(const std::vector<tx_extra_field>& tx_extra_fields, T& field)
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{
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auto it = std::find_if(tx_extra_fields.begin(), tx_extra_fields.end(), [](const tx_extra_field& f) { return typeid(T) == f.type(); });
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if(tx_extra_fields.end() == it)
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return false;
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field = boost::get<T>(*it);
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return true;
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}
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bool parse_tx_extra(const std::vector<uint8_t>& tx_extra, std::vector<tx_extra_field>& tx_extra_fields);
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crypto::public_key get_tx_pub_key_from_extra(const std::vector<uint8_t>& tx_extra);
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crypto::public_key get_tx_pub_key_from_extra(const transaction& tx);
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bool add_tx_pub_key_to_extra(transaction& tx, const crypto::public_key& tx_pub_key);
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bool add_extra_nonce_to_tx_extra(std::vector<uint8_t>& tx_extra, const blobdata& extra_nonce);
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bool remove_extra_nonce_tx_extra(std::vector<uint8_t>& tx_extra);
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void set_payment_id_to_tx_extra_nonce(blobdata& extra_nonce, const crypto::hash& payment_id);
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void set_encrypted_payment_id_to_tx_extra_nonce(blobdata& extra_nonce, const crypto::hash8& payment_id);
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bool get_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash& payment_id);
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bool get_encrypted_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash8& payment_id);
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bool is_out_to_acc(const account_keys& acc, const txout_to_key& out_key, const crypto::public_key& tx_pub_key, size_t output_index);
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bool lookup_acc_outs(const account_keys& acc, const transaction& tx, const crypto::public_key& tx_pub_key, std::vector<size_t>& outs, uint64_t& money_transfered);
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bool lookup_acc_outs(const account_keys& acc, const transaction& tx, std::vector<size_t>& outs, uint64_t& money_transfered);
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bool get_tx_fee(const transaction& tx, uint64_t & fee);
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uint64_t get_tx_fee(const transaction& tx);
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bool generate_key_image_helper(const account_keys& ack, const crypto::public_key& tx_public_key, size_t real_output_index, keypair& in_ephemeral, crypto::key_image& ki);
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void get_blob_hash(const blobdata& blob, crypto::hash& res);
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crypto::hash get_blob_hash(const blobdata& blob);
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std::string short_hash_str(const crypto::hash& h);
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crypto::hash get_transaction_hash(const transaction& t);
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bool get_transaction_hash(const transaction& t, crypto::hash& res);
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bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size);
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blobdata get_block_hashing_blob(const block& b);
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bool get_block_hash(const block& b, crypto::hash& res);
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crypto::hash get_block_hash(const block& b);
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bool get_block_longhash(const block& b, crypto::hash& res, uint64_t height);
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crypto::hash get_block_longhash(const block& b, uint64_t height);
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bool generate_genesis_block(
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block& bl
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, std::string const & genesis_tx
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, uint32_t nonce
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);
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bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b);
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bool get_inputs_money_amount(const transaction& tx, uint64_t& money);
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uint64_t get_outs_money_amount(const transaction& tx);
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bool check_inputs_types_supported(const transaction& tx);
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bool check_outs_valid(const transaction& tx);
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bool parse_amount(uint64_t& amount, const std::string& str_amount);
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bool check_money_overflow(const transaction& tx);
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bool check_outs_overflow(const transaction& tx);
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bool check_inputs_overflow(const transaction& tx);
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uint64_t get_block_height(const block& b);
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std::vector<uint64_t> relative_output_offsets_to_absolute(const std::vector<uint64_t>& off);
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std::vector<uint64_t> absolute_output_offsets_to_relative(const std::vector<uint64_t>& off);
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std::string print_money(uint64_t amount);
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//---------------------------------------------------------------
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template<class t_object>
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bool t_serializable_object_to_blob(const t_object& to, blobdata& b_blob)
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{
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std::stringstream ss;
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binary_archive<true> ba(ss);
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bool r = ::serialization::serialize(ba, const_cast<t_object&>(to));
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b_blob = ss.str();
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return r;
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}
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//---------------------------------------------------------------
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template<class t_object>
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blobdata t_serializable_object_to_blob(const t_object& to)
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{
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blobdata b;
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t_serializable_object_to_blob(to, b);
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return b;
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}
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//---------------------------------------------------------------
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template<class t_object>
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bool get_object_hash(const t_object& o, crypto::hash& res)
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{
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get_blob_hash(t_serializable_object_to_blob(o), res);
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return true;
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}
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//---------------------------------------------------------------
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template<class t_object>
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size_t get_object_blobsize(const t_object& o)
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{
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blobdata b = t_serializable_object_to_blob(o);
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return b.size();
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}
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//---------------------------------------------------------------
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template<class t_object>
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bool get_object_hash(const t_object& o, crypto::hash& res, size_t& blob_size)
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{
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blobdata bl = t_serializable_object_to_blob(o);
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blob_size = bl.size();
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get_blob_hash(bl, res);
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return true;
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}
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//---------------------------------------------------------------
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template <typename T>
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std::string obj_to_json_str(T& obj)
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{
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std::stringstream ss;
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json_archive<true> ar(ss, true);
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bool r = ::serialization::serialize(ar, obj);
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CHECK_AND_ASSERT_MES(r, "", "obj_to_json_str failed: serialization::serialize returned false");
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return ss.str();
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}
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//---------------------------------------------------------------
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// 62387455827 -> 455827 + 7000000 + 80000000 + 300000000 + 2000000000 + 60000000000, where 455827 <= dust_threshold
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template<typename chunk_handler_t, typename dust_handler_t>
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void decompose_amount_into_digits(uint64_t amount, uint64_t dust_threshold, const chunk_handler_t& chunk_handler, const dust_handler_t& dust_handler)
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{
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if (0 == amount)
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{
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return;
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}
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bool is_dust_handled = false;
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uint64_t dust = 0;
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uint64_t order = 1;
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while (0 != amount)
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{
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uint64_t chunk = (amount % 10) * order;
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amount /= 10;
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order *= 10;
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if (dust + chunk <= dust_threshold)
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{
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dust += chunk;
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}
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else
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{
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if (!is_dust_handled && 0 != dust)
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{
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dust_handler(dust);
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is_dust_handled = true;
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}
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if (0 != chunk)
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{
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chunk_handler(chunk);
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}
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}
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}
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if (!is_dust_handled && 0 != dust)
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{
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dust_handler(dust);
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}
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}
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//---------------------------------------------------------------
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blobdata block_to_blob(const block& b);
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bool block_to_blob(const block& b, blobdata& b_blob);
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blobdata tx_to_blob(const transaction& b);
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bool tx_to_blob(const transaction& b, blobdata& b_blob);
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void get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes, crypto::hash& h);
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crypto::hash get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes);
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crypto::hash get_tx_tree_hash(const block& b);
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bool is_valid_decomposed_amount(uint64_t amount);
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#define CHECKED_GET_SPECIFIC_VARIANT(variant_var, specific_type, variable_name, fail_return_val) \
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CHECK_AND_ASSERT_MES(variant_var.type() == typeid(specific_type), fail_return_val, "wrong variant type: " << variant_var.type().name() << ", expected " << typeid(specific_type).name()); \
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specific_type& variable_name = boost::get<specific_type>(variant_var);
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}
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