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Merge pull request #3444

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a79fc21 hardfork: fix get_earliest_ideal_height_for_version() to support non-existent versions (stoffu)
7e30ead unit_tests/hardfork: add tests for check_for_height() (stoffu)
98cf62c hardfork: fix get_next_version() (stoffu)
0321d1a unit_tests/hardfork: add tests for get_voting_info() (stoffu)
This commit is contained in:
luigi1111 2018-06-08 14:29:38 -05:00
commit 5321769b65
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2 changed files with 138 additions and 7 deletions
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18
src/cryptonote_basic/hardfork.cpp
View File

@ -379,20 +379,24 @@ uint8_t HardFork::get_ideal_version(uint64_t height) const
uint64_t HardFork::get_earliest_ideal_height_for_version(uint8_t version) const
{
for (unsigned int n = heights.size() - 1; n > 0; --n) {
if (heights[n].version <= version)
return heights[n].height;
uint64_t height = std::numeric_limits<uint64_t>::max();
for (auto i = heights.rbegin(); i != heights.rend(); ++i) {
if (i->version >= version) {
height = i->height;
} else {
break;
}
}
return 0;
return height;
}
uint8_t HardFork::get_next_version() const
{
CRITICAL_REGION_LOCAL(lock);
uint64_t height = db.height();
for (unsigned int n = heights.size() - 1; n > 0; --n) {
if (height >= heights[n].height) {
return heights[n < heights.size() - 1 ? n + 1 : n].version;
for (auto i = heights.rbegin(); i != heights.rend(); ++i) {
if (height >= i->height) {
return (i == heights.rbegin() ? i : (i - 1))->version;
}
}
return original_version;

127
tests/unit_tests/hardfork.cpp
View File

@ -232,6 +232,59 @@ TEST(ordering, Success)
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, 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, 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, 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, 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, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
}
TEST(states, Success)
{
TestDB db;
@ -439,6 +492,55 @@ TEST(voting, different_thresholds)
}
}
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_versions[] = { 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 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, crypto::hash());
ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
}
}
TEST(new_blocks, denied)
{
TestDB db;
@ -554,3 +656,28 @@ TEST(get, higher)
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());
}