218 lines
9.9 KiB
C++
218 lines
9.9 KiB
C++
// Copyright (c) 2012-2013 The Cryptonote developers
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#pragma once
|
|
#include "cryptonote_protocol/cryptonote_protocol_defs.h"
|
|
#include "cryptonote_core/cryptonote_basic_impl.h"
|
|
#include "cryptonote_core/difficulty.h"
|
|
#include "account.h"
|
|
#include "include_base_utils.h"
|
|
#include "crypto/crypto.h"
|
|
#include "crypto/hash.h"
|
|
|
|
|
|
namespace cryptonote
|
|
{
|
|
//---------------------------------------------------------------
|
|
void get_transaction_prefix_hash(const transaction_prefix& tx, crypto::hash& h);
|
|
crypto::hash get_transaction_prefix_hash(const transaction_prefix& tx);
|
|
bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx, crypto::hash& tx_hash, crypto::hash& tx_prefix_hash);
|
|
bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx);
|
|
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 = 1);
|
|
|
|
struct tx_source_entry
|
|
{
|
|
typedef std::pair<uint64_t, crypto::public_key> output_entry;
|
|
|
|
std::vector<output_entry> outputs; //index + key
|
|
size_t real_output; //index in outputs vector of real output_entry
|
|
crypto::public_key real_out_tx_key; //incoming real tx public key
|
|
size_t real_output_in_tx_index; //index in transaction outputs vector
|
|
uint64_t amount; //money
|
|
};
|
|
|
|
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) { }
|
|
};
|
|
|
|
//---------------------------------------------------------------
|
|
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);
|
|
|
|
template<typename T>
|
|
bool find_tx_extra_field_by_type(const std::vector<tx_extra_field>& tx_extra_fields, T& field)
|
|
{
|
|
auto it = std::find_if(tx_extra_fields.begin(), tx_extra_fields.end(), [](const tx_extra_field& f) { return typeid(T) == f.type(); });
|
|
if(tx_extra_fields.end() == it)
|
|
return false;
|
|
|
|
field = boost::get<T>(*it);
|
|
return true;
|
|
}
|
|
|
|
bool parse_tx_extra(const std::vector<uint8_t>& tx_extra, std::vector<tx_extra_field>& tx_extra_fields);
|
|
crypto::public_key get_tx_pub_key_from_extra(const std::vector<uint8_t>& tx_extra);
|
|
crypto::public_key get_tx_pub_key_from_extra(const transaction& tx);
|
|
bool add_tx_pub_key_to_extra(transaction& tx, const crypto::public_key& tx_pub_key);
|
|
bool add_extra_nonce_to_tx_extra(std::vector<uint8_t>& tx_extra, const blobdata& extra_nonce);
|
|
void set_payment_id_to_tx_extra_nonce(blobdata& extra_nonce, const crypto::hash& payment_id);
|
|
bool get_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash& payment_id);
|
|
bool append_mm_tag_to_extra(std::vector<uint8_t>& tx_extra, const tx_extra_merge_mining_tag& mm_tag);
|
|
bool get_mm_tag_from_extra(const std::vector<uint8_t>& tx_extra, tx_extra_merge_mining_tag& mm_tag);
|
|
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);
|
|
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);
|
|
bool lookup_acc_outs(const account_keys& acc, const transaction& tx, std::vector<size_t>& outs, uint64_t& money_transfered);
|
|
bool get_tx_fee(const transaction& tx, uint64_t & fee);
|
|
uint64_t get_tx_fee(const transaction& tx);
|
|
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);
|
|
void get_blob_hash(const blobdata& blob, crypto::hash& res);
|
|
crypto::hash get_blob_hash(const blobdata& blob);
|
|
std::string short_hash_str(const crypto::hash& h);
|
|
|
|
crypto::hash get_transaction_hash(const transaction& t);
|
|
bool get_transaction_hash(const transaction& t, crypto::hash& res);
|
|
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size);
|
|
bool get_block_hashing_blob(const block& b, blobdata& blob);
|
|
bool get_bytecoin_block_hashing_blob(const block& b, blobdata& blob);
|
|
blobdata get_block_hashing_blob(const bb_block& b);
|
|
bool get_block_hash(const block& b, crypto::hash& res);
|
|
crypto::hash get_block_hash(const block& b);
|
|
bool get_block_header_hash(const block& b, crypto::hash& res);
|
|
bool get_block_longhash(const block& b, crypto::hash& res, uint64_t height);
|
|
crypto::hash get_block_longhash(const block& b, uint64_t height);
|
|
bool get_bytecoin_block_longhash(const block& blk, crypto::hash& res);
|
|
bool generate_genesis_block(block& bl);
|
|
bool get_genesis_block_hash(crypto::hash& h);
|
|
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b);
|
|
bool parse_and_validate_block_from_blob(const blobdata& b_blob, bb_block& b);
|
|
bool get_inputs_money_amount(const transaction& tx, uint64_t& money);
|
|
uint64_t get_outs_money_amount(const transaction& tx);
|
|
bool check_inputs_types_supported(const transaction& tx);
|
|
bool check_outs_valid(const transaction& tx);
|
|
bool parse_amount(uint64_t& amount, const std::string& str_amount);
|
|
|
|
bool check_money_overflow(const transaction& tx);
|
|
bool check_outs_overflow(const transaction& tx);
|
|
bool check_inputs_overflow(const transaction& tx);
|
|
uint64_t get_block_height(const block& b);
|
|
std::vector<uint64_t> relative_output_offsets_to_absolute(const std::vector<uint64_t>& off);
|
|
std::vector<uint64_t> absolute_output_offsets_to_relative(const std::vector<uint64_t>& off);
|
|
std::string print_money(uint64_t amount);
|
|
//---------------------------------------------------------------
|
|
template<class t_object>
|
|
bool t_serializable_object_to_blob(const t_object& to, blobdata& b_blob)
|
|
{
|
|
std::stringstream ss;
|
|
binary_archive<true> ba(ss);
|
|
bool r = ::serialization::serialize(ba, const_cast<t_object&>(to));
|
|
b_blob = ss.str();
|
|
return r;
|
|
}
|
|
//---------------------------------------------------------------
|
|
template<class t_object>
|
|
blobdata t_serializable_object_to_blob(const t_object& to)
|
|
{
|
|
blobdata b;
|
|
t_serializable_object_to_blob(to, b);
|
|
return b;
|
|
}
|
|
//---------------------------------------------------------------
|
|
template<class t_object>
|
|
bool get_object_hash(const t_object& o, crypto::hash& res)
|
|
{
|
|
get_blob_hash(t_serializable_object_to_blob(o), res);
|
|
return true;
|
|
}
|
|
//---------------------------------------------------------------
|
|
template<class t_object>
|
|
size_t get_object_blobsize(const t_object& o)
|
|
{
|
|
blobdata b = t_serializable_object_to_blob(o);
|
|
return b.size();
|
|
}
|
|
//---------------------------------------------------------------
|
|
template<class t_object>
|
|
bool get_object_hash(const t_object& o, crypto::hash& res, size_t& blob_size)
|
|
{
|
|
blobdata bl = t_serializable_object_to_blob(o);
|
|
blob_size = bl.size();
|
|
get_blob_hash(bl, res);
|
|
return true;
|
|
}
|
|
//---------------------------------------------------------------
|
|
template <typename T>
|
|
std::string obj_to_json_str(T& obj)
|
|
{
|
|
std::stringstream ss;
|
|
json_archive<true> ar(ss, true);
|
|
bool r = ::serialization::serialize(ar, obj);
|
|
CHECK_AND_ASSERT_MES(r, "", "obj_to_json_str failed: serialization::serialize returned false");
|
|
return ss.str();
|
|
}
|
|
//---------------------------------------------------------------
|
|
// 62387455827 -> 455827 + 7000000 + 80000000 + 300000000 + 2000000000 + 60000000000, where 455827 <= dust_threshold
|
|
template<typename chunk_handler_t, typename dust_handler_t>
|
|
void decompose_amount_into_digits(uint64_t amount, uint64_t dust_threshold, const chunk_handler_t& chunk_handler, const dust_handler_t& dust_handler)
|
|
{
|
|
if (0 == amount)
|
|
{
|
|
return;
|
|
}
|
|
|
|
bool is_dust_handled = false;
|
|
uint64_t dust = 0;
|
|
uint64_t order = 1;
|
|
while (0 != amount)
|
|
{
|
|
uint64_t chunk = (amount % 10) * order;
|
|
amount /= 10;
|
|
order *= 10;
|
|
|
|
if (dust + chunk <= dust_threshold)
|
|
{
|
|
dust += chunk;
|
|
}
|
|
else
|
|
{
|
|
if (!is_dust_handled && 0 != dust)
|
|
{
|
|
dust_handler(dust);
|
|
is_dust_handled = true;
|
|
}
|
|
if (0 != chunk)
|
|
{
|
|
chunk_handler(chunk);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!is_dust_handled && 0 != dust)
|
|
{
|
|
dust_handler(dust);
|
|
}
|
|
}
|
|
//---------------------------------------------------------------
|
|
blobdata block_to_blob(const block& b);
|
|
bool block_to_blob(const block& b, blobdata& b_blob);
|
|
blobdata tx_to_blob(const transaction& b);
|
|
bool tx_to_blob(const transaction& b, blobdata& b_blob);
|
|
void get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes, crypto::hash& h);
|
|
crypto::hash get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes);
|
|
crypto::hash get_tx_tree_hash(const block& b);
|
|
crypto::hash get_tx_tree_hash(const bb_block& b);
|
|
|
|
bool check_proof_of_work_v1(const block& bl, difficulty_type current_diffic, crypto::hash& proof_of_work);
|
|
bool check_proof_of_work_v2(const block& bl, difficulty_type current_diffic, crypto::hash& proof_of_work);
|
|
bool check_proof_of_work(const block& bl, difficulty_type current_diffic, crypto::hash& proof_of_work);
|
|
|
|
#define CHECKED_GET_SPECIFIC_VARIANT(variant_var, specific_type, variable_name, fail_return_val) \
|
|
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()); \
|
|
specific_type& variable_name = boost::get<specific_type>(variant_var);
|
|
|
|
}
|