205 lines
7.1 KiB
C++
205 lines
7.1 KiB
C++
// Copyright (c) 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.
|
|
|
|
#define IN_UNIT_TESTS
|
|
|
|
#include <stdio.h>
|
|
#include <math.h>
|
|
#include "cryptonote_core/blockchain.h"
|
|
#include "cryptonote_core/tx_pool.h"
|
|
#include "cryptonote_core/cryptonote_core.h"
|
|
#include "blockchain_db/testdb.h"
|
|
|
|
#define LONG_TERM_BLOCK_WEIGHT_WINDOW 5000
|
|
|
|
enum test_t
|
|
{
|
|
test_max = 0,
|
|
test_lcg = 1,
|
|
test_min = 2,
|
|
};
|
|
|
|
namespace
|
|
{
|
|
|
|
class TestDB: public cryptonote::BaseTestDB
|
|
{
|
|
private:
|
|
struct block_t
|
|
{
|
|
size_t weight;
|
|
uint64_t long_term_weight;
|
|
};
|
|
|
|
public:
|
|
TestDB() { m_open = true; }
|
|
|
|
virtual void add_block( const cryptonote::block& blk
|
|
, size_t block_weight
|
|
, uint64_t long_term_block_weight
|
|
, const cryptonote::difficulty_type& cumulative_difficulty
|
|
, const uint64_t& coins_generated
|
|
, uint64_t num_rct_outs
|
|
, const crypto::hash& blk_hash
|
|
) override {
|
|
blocks.push_back({block_weight, long_term_block_weight});
|
|
}
|
|
virtual uint64_t height() const override { return blocks.size(); }
|
|
virtual size_t get_block_weight(const uint64_t &h) const override { return blocks[h].weight; }
|
|
virtual uint64_t get_block_long_term_weight(const uint64_t &h) const override { return blocks[h].long_term_weight; }
|
|
virtual std::vector<uint64_t> get_block_weights(uint64_t start_height, size_t count) const override {
|
|
std::vector<uint64_t> ret;
|
|
ret.reserve(count);
|
|
while (count-- && start_height < blocks.size()) ret.push_back(blocks[start_height++].weight);
|
|
return ret;
|
|
}
|
|
virtual std::vector<uint64_t> get_long_term_block_weights(uint64_t start_height, size_t count) const override {
|
|
std::vector<uint64_t> ret;
|
|
ret.reserve(count);
|
|
while (count-- && start_height < blocks.size()) ret.push_back(blocks[start_height++].long_term_weight);
|
|
return ret;
|
|
}
|
|
virtual crypto::hash get_block_hash_from_height(const uint64_t &height) const override {
|
|
crypto::hash hash = crypto::null_hash;
|
|
*(uint64_t*)&hash = height;
|
|
return hash;
|
|
}
|
|
virtual crypto::hash top_block_hash(uint64_t *block_height = NULL) const override {
|
|
uint64_t h = height();
|
|
crypto::hash top = crypto::null_hash;
|
|
if (h)
|
|
*(uint64_t*)&top = h - 1;
|
|
if (block_height)
|
|
*block_height = h - 1;
|
|
return top;
|
|
}
|
|
virtual void pop_block(cryptonote::block &blk, std::vector<cryptonote::transaction> &txs) override { blocks.pop_back(); }
|
|
virtual void set_hard_fork_version(uint64_t height, uint8_t version) override { if (height >= hf.size()) hf.resize(height + 1); hf[height] = version; }
|
|
virtual uint8_t get_hard_fork_version(uint64_t height) const override { if (height >= hf.size()) return 255; return hf[height]; }
|
|
|
|
private:
|
|
std::vector<block_t> blocks;
|
|
std::vector<uint8_t> hf;
|
|
};
|
|
|
|
}
|
|
|
|
#define PREFIX_WINDOW(hf_version,window) \
|
|
std::unique_ptr<cryptonote::Blockchain> bc; \
|
|
cryptonote::tx_memory_pool txpool(*bc); \
|
|
bc.reset(new cryptonote::Blockchain(txpool)); \
|
|
struct get_test_options { \
|
|
const std::pair<uint8_t, uint64_t> hard_forks[3]; \
|
|
const cryptonote::test_options test_options = { \
|
|
hard_forks, \
|
|
window, \
|
|
}; \
|
|
get_test_options(): hard_forks{std::make_pair(1, (uint64_t)0), std::make_pair((uint8_t)hf_version, (uint64_t)LONG_TERM_BLOCK_WEIGHT_WINDOW), std::make_pair((uint8_t)0, (uint64_t)0)} {} \
|
|
} opts; \
|
|
cryptonote::Blockchain *blockchain = bc.get(); \
|
|
bool r = blockchain->init(new TestDB(), cryptonote::FAKECHAIN, true, &opts.test_options, 0, NULL); \
|
|
if (!r) \
|
|
{ \
|
|
fprintf(stderr, "Failed to init blockchain\n"); \
|
|
exit(1); \
|
|
}
|
|
|
|
#define PREFIX(hf_version) PREFIX_WINDOW(hf_version, LONG_TERM_BLOCK_WEIGHT_WINDOW)
|
|
|
|
static uint32_t lcg_seed = 0;
|
|
|
|
static uint32_t lcg()
|
|
{
|
|
lcg_seed = (lcg_seed * 0x100000001b3 + 0xcbf29ce484222325) & 0xffffffff;
|
|
return lcg_seed;
|
|
}
|
|
|
|
static void test(test_t t, uint64_t blocks)
|
|
{
|
|
PREFIX(10);
|
|
|
|
for (uint64_t h = 0; h < LONG_TERM_BLOCK_WEIGHT_WINDOW; ++h)
|
|
{
|
|
cryptonote::block b;
|
|
b.major_version = 1;
|
|
b.minor_version = 1;
|
|
bc->get_db().add_block(std::make_pair(b, ""), 300000, 300000, bc->get_db().height(), bc->get_db().height(), {});
|
|
if (!bc->update_next_cumulative_weight_limit())
|
|
{
|
|
fprintf(stderr, "Failed to update cumulative weight limit 1\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
for (uint64_t h = 0; h < blocks; ++h)
|
|
{
|
|
uint64_t w;
|
|
uint64_t effective_block_weight_median = bc->get_current_cumulative_block_weight_median();
|
|
switch (t)
|
|
{
|
|
case test_lcg:
|
|
{
|
|
uint32_t r = lcg();
|
|
int64_t wi = 90 + r % 500000 + 250000 + sin(h / 200.) * 350000;
|
|
w = wi < 90 ? 90 : wi;
|
|
break;
|
|
}
|
|
case test_max:
|
|
w = bc->get_current_cumulative_block_weight_limit();
|
|
break;
|
|
case test_min:
|
|
w = 90;
|
|
break;
|
|
default:
|
|
exit(1);
|
|
}
|
|
uint64_t ltw = bc->get_next_long_term_block_weight(w);
|
|
cryptonote::block b;
|
|
b.major_version = 10;
|
|
b.minor_version = 10;
|
|
bc->get_db().add_block(std::make_pair(std::move(b), ""), w, ltw, bc->get_db().height(), bc->get_db().height(), {});
|
|
|
|
if (!bc->update_next_cumulative_weight_limit())
|
|
{
|
|
fprintf(stderr, "Failed to update cumulative weight limit\n");
|
|
exit(1);
|
|
}
|
|
std::cout << "H " << h << ", BW " << w << ", EMBW " << effective_block_weight_median << ", LTBW " << ltw << std::endl;
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
TRY_ENTRY();
|
|
test(test_max, 2 * LONG_TERM_BLOCK_WEIGHT_WINDOW);
|
|
test(test_lcg, 9 * LONG_TERM_BLOCK_WEIGHT_WINDOW);
|
|
test(test_min, 1 * LONG_TERM_BLOCK_WEIGHT_WINDOW);
|
|
return 0;
|
|
CATCH_ENTRY_L0("main", 1);
|
|
}
|