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monero/tests/unit_tests/hardfork.cpp
Kevin Barbour 85db1734e7
Remove unused variables in monero codebase 
There are quite a few variables in the code that are no longer
(or perhaps never were) in use. These were discovered by enabling
compiler warnings for unused variables and cleaning them up.

In most cases where the unused variables were the result
of a function call the call was left but the variable
assignment removed, unless it was obvious that it was
a simple getter with no side effects.
2021-02-09 08:05:05 +01:00

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// Copyright (c) 2014-2020, 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 <algorithm>
#include "gtest/gtest.h"
#include "blockchain_db/blockchain_db.h"
#include "cryptonote_basic/cryptonote_format_utils.h"
#include "cryptonote_basic/hardfork.h"
#include "blockchain_db/testdb.h"
using namespace cryptonote;
#define BLOCKS_PER_YEAR 525960
#define SECONDS_PER_YEAR 31557600
namespace
{
class TestDB: public cryptonote::BaseTestDB {
public:
virtual uint64_t height() const override { return blocks.size(); }
virtual void add_block( const block& blk
, size_t block_weight
, uint64_t long_term_block_weight
, const difficulty_type& cumulative_difficulty
, const uint64_t& coins_generated
, uint64_t num_rct_outs
, const crypto::hash& blk_hash
) override {
blocks.push_back(blk);
}
virtual void remove_block() override { blocks.pop_back(); }
virtual block get_block_from_height(const uint64_t& height) const override {
return blocks.at(height);
}
virtual void set_hard_fork_version(uint64_t height, uint8_t version) override {
if (versions.size() <= height)
versions.resize(height+1);
versions[height] = version;
}
virtual uint8_t get_hard_fork_version(uint64_t height) const override {
return versions.at(height);
}
private:
std::vector<block> blocks;
std::deque<uint8_t> versions;
};
}
static cryptonote::block mkblock(uint8_t version, uint8_t vote)
{
cryptonote::block b;
b.major_version = version;
b.minor_version = vote;
return b;
}
static cryptonote::block mkblock(const HardFork &hf, uint64_t height, uint8_t vote)
{
cryptonote::block b;
b.major_version = hf.get(height);
b.minor_version = vote;
return b;
}
TEST(major, Only)
{
TestDB db;
HardFork hf(db, 1, 0, 0, 0, 1, 0); // no voting
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 2, 1));
hf.init();
// block height 0, only version 1 is accepted
ASSERT_FALSE(hf.add(mkblock(0, 2), 0));
ASSERT_FALSE(hf.add(mkblock(2, 2), 0));
ASSERT_TRUE(hf.add(mkblock(1, 2), 0));
db.add_block(mkblock(1, 1), 0, 0, 0, 0, 0, crypto::hash());
// block height 1, only version 1 is accepted
ASSERT_FALSE(hf.add(mkblock(0, 2), 1));
ASSERT_FALSE(hf.add(mkblock(2, 2), 1));
ASSERT_TRUE(hf.add(mkblock(1, 2), 1));
db.add_block(mkblock(1, 1), 0, 0, 0, 0, 0, crypto::hash());
// block height 2, only version 2 is accepted
ASSERT_FALSE(hf.add(mkblock(0, 2), 2));
ASSERT_FALSE(hf.add(mkblock(1, 2), 2));
ASSERT_FALSE(hf.add(mkblock(3, 2), 2));
ASSERT_TRUE(hf.add(mkblock(2, 2), 2));
db.add_block(mkblock(2, 1), 0, 0, 0, 0, 0, crypto::hash());
}
TEST(empty_hardforks, Success)
{
TestDB db;
HardFork hf(db);
ASSERT_TRUE(hf.add_fork(1, 0, 0));
hf.init();
ASSERT_TRUE(hf.get_state(time(NULL)) == HardFork::Ready);
ASSERT_TRUE(hf.get_state(time(NULL) + 3600*24*400) == HardFork::Ready);
for (uint64_t h = 0; h <= 10; ++h) {
db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
ASSERT_EQ(hf.get(0), 1);
ASSERT_EQ(hf.get(1), 1);
ASSERT_EQ(hf.get(10), 1);
}
TEST(ordering, Success)
{
TestDB db;
HardFork hf(db);
ASSERT_TRUE(hf.add_fork(2, 2, 1));
ASSERT_FALSE(hf.add_fork(3, 3, 1));
ASSERT_FALSE(hf.add_fork(3, 2, 2));
ASSERT_FALSE(hf.add_fork(2, 3, 2));
ASSERT_TRUE(hf.add_fork(3, 10, 2));
ASSERT_TRUE(hf.add_fork(4, 20, 3));
ASSERT_FALSE(hf.add_fork(5, 5, 4));
}
TEST(check_for_height, Success)
{
TestDB db;
HardFork hf(db, 1, 0, 0, 0, 1, 0); // no voting
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 5, 1));
hf.init();
for (uint64_t h = 0; h <= 4; ++h) {
ASSERT_TRUE(hf.check_for_height(mkblock(1, 1), h));
ASSERT_FALSE(hf.check_for_height(mkblock(2, 2), h)); // block version is too high
db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
for (uint64_t h = 5; h <= 10; ++h) {
ASSERT_FALSE(hf.check_for_height(mkblock(1, 1), h)); // block version is too low
ASSERT_TRUE(hf.check_for_height(mkblock(2, 2), h));
db.add_block(mkblock(hf, h, 2), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
}
TEST(get, next_version)
{
TestDB db;
HardFork hf(db);
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 5, 1));
ASSERT_TRUE(hf.add_fork(4, 10, 2));
hf.init();
for (uint64_t h = 0; h <= 4; ++h) {
ASSERT_EQ(2, hf.get_next_version());
db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
for (uint64_t h = 5; h <= 9; ++h) {
ASSERT_EQ(4, hf.get_next_version());
db.add_block(mkblock(hf, h, 2), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
for (uint64_t h = 10; h <= 15; ++h) {
ASSERT_EQ(4, hf.get_next_version());
db.add_block(mkblock(hf, h, 4), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
}
TEST(states, Success)
{
TestDB db;
HardFork hf(db);
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, BLOCKS_PER_YEAR, SECONDS_PER_YEAR));
ASSERT_TRUE(hf.get_state(0) == HardFork::Ready);
ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR / 2) == HardFork::Ready);
ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + HardFork::DEFAULT_UPDATE_TIME / 2) == HardFork::Ready);
ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + (HardFork::DEFAULT_UPDATE_TIME + HardFork::DEFAULT_FORKED_TIME) / 2) == HardFork::UpdateNeeded);
ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + HardFork::DEFAULT_FORKED_TIME * 2) == HardFork::LikelyForked);
ASSERT_TRUE(hf.add_fork(3, BLOCKS_PER_YEAR * 5, SECONDS_PER_YEAR * 5));
ASSERT_TRUE(hf.get_state(0) == HardFork::Ready);
ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR / 2) == HardFork::Ready);
ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + HardFork::DEFAULT_UPDATE_TIME / 2) == HardFork::Ready);
ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + (HardFork::DEFAULT_UPDATE_TIME + HardFork::DEFAULT_FORKED_TIME) / 2) == HardFork::Ready);
ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + HardFork::DEFAULT_FORKED_TIME * 2) == HardFork::Ready);
}
TEST(steps_asap, Success)
{
TestDB db;
HardFork hf(db, 1,0,1,1,1);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(4, 2, 1));
ASSERT_TRUE(hf.add_fork(7, 4, 2));
ASSERT_TRUE(hf.add_fork(9, 6, 3));
hf.init();
for (uint64_t h = 0; h < 10; ++h) {
db.add_block(mkblock(hf, h, 9), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
ASSERT_EQ(hf.get(0), 1);
ASSERT_EQ(hf.get(1), 1);
ASSERT_EQ(hf.get(2), 4);
ASSERT_EQ(hf.get(3), 4);
ASSERT_EQ(hf.get(4), 7);
ASSERT_EQ(hf.get(5), 7);
ASSERT_EQ(hf.get(6), 9);
ASSERT_EQ(hf.get(7), 9);
ASSERT_EQ(hf.get(8), 9);
ASSERT_EQ(hf.get(9), 9);
}
TEST(steps_1, Success)
{
TestDB db;
HardFork hf(db, 1,0,1,1,1);
ASSERT_TRUE(hf.add_fork(1, 0, 0));
for (int n = 1 ; n < 10; ++n)
ASSERT_TRUE(hf.add_fork(n+1, n, n));
hf.init();
for (uint64_t h = 0 ; h < 10; ++h) {
db.add_block(mkblock(hf, h, h+1), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
for (uint64_t h = 0; h < 10; ++h) {
ASSERT_EQ(hf.get(h), std::max(1,(int)h));
}
}
TEST(reorganize, Same)
{
for (int history = 1; history <= 12; ++history) {
TestDB db;
HardFork hf(db, 1, 0, 1, 1, history, 100);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(4, 2, 1));
ASSERT_TRUE(hf.add_fork(7, 4, 2));
ASSERT_TRUE(hf.add_fork(9, 6, 3));
hf.init();
// index 0 1 2 3 4 5 6 7 8 9
static const uint8_t block_versions[] = { 1, 1, 4, 4, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 };
for (uint64_t h = 0; h < 20; ++h) {
db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
for (uint64_t rh = 0; rh < 20; ++rh) {
hf.reorganize_from_block_height(rh);
for (int hh = 0; hh < 20; ++hh) {
uint8_t version = hh >= history ? block_versions[hh - history] : 1;
ASSERT_EQ(hf.get(hh), version);
}
}
}
}
TEST(reorganize, Changed)
{
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 4, 100);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(4, 2, 1));
ASSERT_TRUE(hf.add_fork(7, 4, 2));
ASSERT_TRUE(hf.add_fork(9, 6, 3));
hf.init();
// fork 4 7 9
// index 0 1 2 3 4 5 6 7 8 9
static const uint8_t block_versions[] = { 1, 1, 4, 4, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 };
static const uint8_t expected_versions[] = { 1, 1, 1, 1, 1, 1, 4, 4, 7, 7, 9, 9, 9, 9, 9, 9 };
for (uint64_t h = 0; h < 16; ++h) {
db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE (hf.add(db.get_block_from_height(h), h));
}
for (uint64_t rh = 0; rh < 16; ++rh) {
hf.reorganize_from_block_height(rh);
for (int hh = 0; hh < 16; ++hh) {
ASSERT_EQ(hf.get(hh), expected_versions[hh]);
}
}
// delay a bit for 9, and go back to 1 to check it stays at 9
static const uint8_t block_versions_new[] = { 1, 1, 4, 4, 7, 7, 4, 7, 7, 7, 9, 9, 9, 9, 9, 1 };
static const uint8_t expected_versions_new[] = { 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 4, 7, 7, 7, 9, 9 };
for (uint64_t h = 3; h < 16; ++h) {
db.remove_block();
}
ASSERT_EQ(db.height(), 3);
hf.reorganize_from_block_height(2);
for (uint64_t h = 3; h < 16; ++h) {
db.add_block(mkblock(hf, h, block_versions_new[h]), 0, 0, 0, 0, 0, crypto::hash());
bool ret = hf.add(db.get_block_from_height(h), h);
ASSERT_EQ (ret, h < 15);
}
db.remove_block(); // last block added to the blockchain, but not hf
ASSERT_EQ(db.height(), 15);
for (int hh = 0; hh < 15; ++hh) {
ASSERT_EQ(hf.get(hh), expected_versions_new[hh]);
}
}
TEST(voting, threshold)
{
for (int threshold = 87; threshold <= 88; ++threshold) {
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 8, threshold);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 2, 1));
hf.init();
for (uint64_t h = 0; h <= 8; ++h) {
uint8_t v = 1 + !!(h % 8);
db.add_block(mkblock(hf, h, v), 0, 0, 0, 0, 0, crypto::hash());
bool ret = hf.add(db.get_block_from_height(h), h);
if (h >= 8 && threshold == 87) {
// for threshold 87, we reach the treshold at height 7, so from height 8, hard fork to version 2, but 8 tries to add 1
ASSERT_FALSE(ret);
}
else {
// for threshold 88, we never reach the threshold
ASSERT_TRUE(ret);
uint8_t expected = threshold == 88 ? 1 : h < 8 ? 1 : 2;
ASSERT_EQ(hf.get(h), expected);
}
}
}
}
TEST(voting, different_thresholds)
{
for (int threshold = 87; threshold <= 88; ++threshold) {
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 4, 50); // window size 4
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 5, 0, 1)); // asap
ASSERT_TRUE(hf.add_fork(3, 10, 100, 2)); // all votes
ASSERT_TRUE(hf.add_fork(4, 15, 3)); // default 50% votes
hf.init();
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
static const uint8_t block_versions[] = { 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4 };
static const uint8_t expected_versions[] = { 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4 };
for (uint64_t h = 0; h < sizeof(block_versions) / sizeof(block_versions[0]); ++h) {
db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, 0, crypto::hash());
bool ret = hf.add(db.get_block_from_height(h), h);
ASSERT_EQ(ret, true);
}
for (uint64_t h = 0; h < sizeof(expected_versions) / sizeof(expected_versions[0]); ++h) {
ASSERT_EQ(hf.get(h), expected_versions[h]);
}
}
}
TEST(voting, info)
{
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 4, 50); // window size 4, default threshold 50%
// v h ts
ASSERT_TRUE(hf.add_fork(1, 0, 0));
// v h thr ts
ASSERT_TRUE(hf.add_fork(2, 5, 0, 1)); // asap
ASSERT_TRUE(hf.add_fork(3, 10, 100, 2)); // all votes
// v h ts
ASSERT_TRUE(hf.add_fork(4, 15, 3)); // default 50% votes
hf.init();
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
static const uint8_t block_versions[] = { 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4 };
static const uint8_t expected_thresholds[] = { 0, 1, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 2, 2, 2, 2 };
for (uint64_t h = 0; h < sizeof(block_versions) / sizeof(block_versions[0]); ++h) {
uint32_t window, votes, threshold;
uint64_t earliest_height;
uint8_t voting;
ASSERT_TRUE(hf.get_voting_info(1, window, votes, threshold, earliest_height, voting));
ASSERT_EQ(std::min<uint64_t>(h, 4), votes);
ASSERT_EQ(0, earliest_height);
ASSERT_EQ(hf.get_current_version() >= 2, hf.get_voting_info(2, window, votes, threshold, earliest_height, voting));
ASSERT_EQ(std::min<uint64_t>(h <= 3 ? 0 : h - 3, 4), votes);
ASSERT_EQ(5, earliest_height);
ASSERT_EQ(hf.get_current_version() >= 3, hf.get_voting_info(3, window, votes, threshold, earliest_height, voting));
ASSERT_EQ(std::min<uint64_t>(h <= 8 ? 0 : h - 8, 4), votes);
ASSERT_EQ(10, earliest_height);
ASSERT_EQ(hf.get_current_version() == 4, hf.get_voting_info(4, window, votes, threshold, earliest_height, voting));
ASSERT_EQ(std::min<uint64_t>(h <= 14 ? 0 : h - 14, 4), votes);
ASSERT_EQ(15, earliest_height);
ASSERT_EQ(std::min<uint64_t>(h, 4), window);
ASSERT_EQ(expected_thresholds[h], threshold);
ASSERT_EQ(4, voting);
db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, 0, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
}
TEST(new_blocks, denied)
{
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 4, 50);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 2, 1));
hf.init();
ASSERT_TRUE(hf.add(mkblock(1, 1), 0));
ASSERT_TRUE(hf.add(mkblock(1, 1), 1));
ASSERT_TRUE(hf.add(mkblock(1, 1), 2));
ASSERT_TRUE(hf.add(mkblock(1, 2), 3));
ASSERT_TRUE(hf.add(mkblock(1, 1), 4));
ASSERT_TRUE(hf.add(mkblock(1, 1), 5));
ASSERT_TRUE(hf.add(mkblock(1, 1), 6));
ASSERT_TRUE(hf.add(mkblock(1, 2), 7));
ASSERT_TRUE(hf.add(mkblock(1, 2), 8)); // we reach 50% of the last 4
ASSERT_FALSE(hf.add(mkblock(2, 1), 9)); // so this one can't get added
ASSERT_TRUE(hf.add(mkblock(2, 2), 9));
}
TEST(new_version, early)
{
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 4, 50);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 4, 1));
hf.init();
ASSERT_TRUE(hf.add(mkblock(1, 2), 0));
ASSERT_TRUE(hf.add(mkblock(1, 2), 1)); // we have enough votes already
ASSERT_TRUE(hf.add(mkblock(1, 2), 2));
ASSERT_TRUE(hf.add(mkblock(1, 1), 3)); // we accept a previous version because we did not switch, even with all the votes
ASSERT_TRUE(hf.add(mkblock(2, 2), 4)); // but have to wait for the declared height anyway
ASSERT_TRUE(hf.add(mkblock(2, 2), 5));
ASSERT_FALSE(hf.add(mkblock(2, 1), 6)); // we don't accept 1 anymore
ASSERT_TRUE(hf.add(mkblock(2, 2), 7)); // but we do accept 2
}
TEST(reorganize, changed)
{
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 4, 50);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 2, 1));
ASSERT_TRUE(hf.add_fork(3, 5, 2));
ASSERT_TRUE(hf.add_fork(4, 555, 222));
hf.init();
#define ADD(v, h, a) \
do { \
cryptonote::block b = mkblock(hf, h, v); \
db.add_block(b, 0, 0, 0, 0, 0, crypto::hash()); \
ASSERT_##a(hf.add(b, h)); \
} while(0)
#define ADD_TRUE(v, h) ADD(v, h, TRUE)
#define ADD_FALSE(v, h) ADD(v, h, FALSE)
ADD_TRUE(1, 0);
ADD_TRUE(1, 1);
ADD_TRUE(2, 2);
ADD_TRUE(2, 3); // switch to 2 here
ADD_TRUE(2, 4);
ADD_TRUE(2, 5);
ADD_TRUE(2, 6);
ASSERT_EQ(hf.get_current_version(), 2);
ADD_TRUE(3, 7);
ADD_TRUE(4, 8);
ADD_TRUE(4, 9);
ASSERT_EQ(hf.get_current_version(), 3);
// pop a few blocks and check current version goes back down
db.remove_block();
hf.reorganize_from_block_height(8);
ASSERT_EQ(hf.get_current_version(), 3);
db.remove_block();
hf.reorganize_from_block_height(7);
ASSERT_EQ(hf.get_current_version(), 2);
db.remove_block();
ASSERT_EQ(hf.get_current_version(), 2);
// add blocks again, but remaining at 2
ADD_TRUE(2, 7);
ADD_TRUE(2, 8);
ADD_TRUE(2, 9);
ASSERT_EQ(hf.get_current_version(), 2); // we did not bump to 3 this time
}
TEST(get, higher)
{
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 4, 50);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 2, 1));
ASSERT_TRUE(hf.add_fork(3, 5, 2));
hf.init();
ASSERT_EQ(hf.get_ideal_version(0), 1);
ASSERT_EQ(hf.get_ideal_version(1), 1);
ASSERT_EQ(hf.get_ideal_version(2), 2);
ASSERT_EQ(hf.get_ideal_version(3), 2);
ASSERT_EQ(hf.get_ideal_version(4), 2);
ASSERT_EQ(hf.get_ideal_version(5), 3);
ASSERT_EQ(hf.get_ideal_version(6), 3);
ASSERT_EQ(hf.get_ideal_version(7), 3);
}
TEST(get, earliest_ideal_height)
{
TestDB db;
HardFork hf(db, 1, 0, 1, 1, 4, 50);
// v h t
ASSERT_TRUE(hf.add_fork(1, 0, 0));
ASSERT_TRUE(hf.add_fork(2, 2, 1));
ASSERT_TRUE(hf.add_fork(5, 5, 2));
ASSERT_TRUE(hf.add_fork(6, 10, 3));
ASSERT_TRUE(hf.add_fork(9, 15, 4));
hf.init();
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(1), 0);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(2), 2);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(3), 5);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(4), 5);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(5), 5);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(6), 10);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(7), 15);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(8), 15);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(9), 15);
ASSERT_EQ(hf.get_earliest_ideal_height_for_version(10), std::numeric_limits<uint64_t>::max());
}
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