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blockchain/src/currency_core/basic_pow_helpers.h
2024-11-27 15:34:34 +04:00

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1.8 KiB
C++

// Copyright (c) 2014-2018 Zano Project
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include <typeindex>
#include <unordered_set>
#include <unordered_map>
#include "account.h"
#include "include_base_utils.h"
#include "currency_format_utils_abstract.h"
#include "common/crypto_stream_operators.h"
#include "currency_protocol/currency_protocol_defs.h"
#include "crypto/crypto.h"
#include "crypto/hash.h"
#include "difficulty.h"
//#include "offers_services_helpers.h"
#include "rpc/core_rpc_server_commands_defs.h"
#include "bc_payments_id_service.h"
#include "bc_attachments_helpers_basic.h"
#include "blockchain_storage_basic.h"
#define CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET 1
namespace currency
{
int ethash_height_to_epoch(uint64_t height);
crypto::hash ethash_epoch_to_seed(int epoch);
crypto::hash get_block_header_mining_hash(const block& b);
crypto::hash get_block_longhash(uint64_t h, const crypto::hash& block_header_hash, uint64_t nonce);
void get_block_longhash(const block& b, crypto::hash& res);
crypto::hash get_block_longhash(const block& b);
inline uint64_t get_nonce_from_blockblob(const blobdata& bd)
{
uint64_t nonce = 0;
CHECK_AND_ASSERT_MES(bd.size() >= CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET + sizeof(nonce), 0, "Unexpected block buffer size = " << bd.size());
std::memcpy(&nonce, &bd[CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET], sizeof(nonce));
return nonce;
}
inline void set_nonce_to_blockblob(blobdata& bd, const uint64_t nonce)
{
CHECK_AND_ASSERT_MES(bd.size() >= CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET + sizeof(nonce), void(), "Unexpected block buffer size = " << bd.size());
std::memcpy(&bd[CURRENCY_MINER_BLOCK_BLOB_NONCE_OFFSET], &nonce, sizeof(nonce));
}
}