mirror of
https://codeberg.org/anoncontributorxmr/monero.git
synced 2024-11-24 03:43:27 +01:00
137 lines
7.1 KiB
C++
137 lines
7.1 KiB
C++
// Copyright (c) 2014-2018, 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.
|
|
//
|
|
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include "cryptonote_core/blockchain.h"
|
|
|
|
using namespace cryptonote;
|
|
|
|
namespace
|
|
{
|
|
static uint64_t clamp_fee(uint64_t fee)
|
|
{
|
|
static uint64_t mask = 0;
|
|
if (mask == 0)
|
|
{
|
|
mask = 1;
|
|
for (size_t n = PER_KB_FEE_QUANTIZATION_DECIMALS; n < CRYPTONOTE_DISPLAY_DECIMAL_POINT; ++n)
|
|
mask *= 10;
|
|
}
|
|
return (fee + mask - 1) / mask * mask;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------------------------
|
|
class fee : public ::testing::Test
|
|
{
|
|
};
|
|
|
|
// try with blocks ~ 1GB. Passing 2 GB will break on 32 bit systems
|
|
|
|
TEST_F(fee, 10xmr)
|
|
{
|
|
// CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 and lower are clamped
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(10000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2, 3), clamp_fee(2000000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(10000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 / 2, 3), clamp_fee(2000000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(10000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 / 100, 3), clamp_fee(2000000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(10000000000000, 1, 3), 2000000000);
|
|
|
|
// higher is inverse proportional
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(10000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 2, 3), clamp_fee(2000000000 / 2));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(10000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 10, 3), clamp_fee(2000000000 / 10));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(10000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 1000, 3), clamp_fee(2000000000 / 1000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(10000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 20000ull, 3), clamp_fee(2000000000 / 20000));
|
|
}
|
|
|
|
TEST_F(fee, 1xmr)
|
|
{
|
|
// CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 and lower are clamped
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(1000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2, 3), clamp_fee(200000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(1000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 / 2, 3), clamp_fee(200000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(1000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 / 100, 3), clamp_fee(200000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(1000000000000, 1, 3), 200000000);
|
|
|
|
// higher is inverse proportional
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(1000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 2, 3), clamp_fee(200000000 / 2));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(1000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 10, 3), clamp_fee(200000000 / 10));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(1000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 1000, 3), clamp_fee(200000000 / 1000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(1000000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 20000ull, 3), clamp_fee(200000000 / 20000));
|
|
}
|
|
|
|
TEST_F(fee, dot3xmr)
|
|
{
|
|
// CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 and lower are clamped
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(300000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2, 3), clamp_fee(60000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(300000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 / 2, 3), clamp_fee(60000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(300000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 / 100, 3), clamp_fee(60000000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(300000000000, 1, 3), 60000000);
|
|
|
|
// higher is inverse proportional
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(300000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 2, 3), clamp_fee(60000000 / 2));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(300000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 10, 3), clamp_fee(60000000 / 10));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(300000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 1000, 3), clamp_fee(60000000 / 1000));
|
|
ASSERT_EQ(Blockchain::get_dynamic_base_fee(300000000000, CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 20000ull, 3), clamp_fee(60000000 / 20000));
|
|
}
|
|
|
|
static bool is_more_or_less(double x, double y)
|
|
{
|
|
return fabs(y - x) < 0.001;
|
|
}
|
|
|
|
static const double MAX_MULTIPLIER = 166.f;
|
|
|
|
TEST_F(fee, double_at_full)
|
|
{
|
|
static const uint64_t block_rewards[] = {
|
|
20000000000000ull, // 20 monero
|
|
13000000000000ull,
|
|
1000000000000ull,
|
|
600000000000ull, // .6 monero, minimum reward per block at 2min
|
|
300000000000ull, // .3 monero, minimum reward per block at 1min
|
|
};
|
|
static const uint64_t median_block_weights[] = {
|
|
CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2,
|
|
CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 2,
|
|
CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 10,
|
|
CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 1000,
|
|
// with clamping, the formula does not hold for such large blocks and small fees
|
|
// CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 * 20000ull
|
|
};
|
|
|
|
for (uint64_t block_reward: block_rewards)
|
|
{
|
|
for (uint64_t median_block_weight: median_block_weights)
|
|
{
|
|
ASSERT_TRUE(is_more_or_less(Blockchain::get_dynamic_base_fee(block_reward, median_block_weight, 3) * (median_block_weight / 1024.) * MAX_MULTIPLIER / (double)block_reward, 1.992 * 1000 / 1024));
|
|
}
|
|
}
|
|
}
|
|
}
|