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Randomize output order for P2Pool payouts

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This commit is contained in:
SChernykh 2023-01-09 19:47:35 +01:00
parent ae6747c82d
commit 47f551c046
5 changed files with 29 additions and 7 deletions
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2
src/pool_block.cpp
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@ -224,7 +224,7 @@ std::vector<uint8_t> PoolBlock::serialize_mainchain_data_nolock(size_t* header_s
data.insert(data.end(), t + HASH_SIZE, t + m_transactions.size() * HASH_SIZE);
#if POOL_BLOCK_DEBUG
if (!m_mainChainDataDebug.empty() && (data != m_mainChainDataDebug)) {
if (!nonce && !extra_nonce && !m_mainChainDataDebug.empty() && (data != m_mainChainDataDebug)) {
LOGERR(1, "serialize_mainchain_data() has a bug, fix it!");
panic();
}

24
src/side_chain.cpp
View file

@ -158,6 +158,8 @@ SideChain::SideChain(p2pool* pool, NetworkType type, const char* pool_name)
m_consensusIdDisplayStr.assign(buf);
LOGINFO(1, "consensus ID = " << log::LightCyan() << m_consensusIdDisplayStr.c_str());
memcpy(m_consensusHash.h, m_consensusId.data(), HASH_SIZE);
uv_cond_init_checked(&m_precalcJobsCond);
uv_mutex_init_checked(&m_precalcJobsMutex);
m_precalcJobs.reserve(16);
@ -217,7 +219,7 @@ void SideChain::fill_sidechain_data(PoolBlock& block, std::vector<MinerShare>& s
block.m_cumulativeDifficulty = m_minDifficulty;
if (sidechain_version > 1) {
block.m_txkeySecSeed = {};
block.m_txkeySecSeed = m_consensusHash;
get_tx_keys(block.m_txkeyPub, block.m_txkeySec, block.m_txkeySecSeed, block.m_prevId);
}
@ -327,6 +329,10 @@ P2PServer* SideChain::p2pServer() const
bool SideChain::get_shares(const PoolBlock* tip, std::vector<MinerShare>& shares, bool quiet) const
{
if (tip->m_txkeySecSeed.empty()) {
LOGERR(1, "tx key seed is not set, fix the code!");
}
const int L = quiet ? 6 : 3;
shares.clear();
@ -353,7 +359,8 @@ bool SideChain::get_shares(const PoolBlock* tip, std::vector<MinerShare>& shares
// Dynamic PPLNS window starting from v2
// Limit PPLNS weight to 2x of the Monero difficulty (max 2 blocks per PPLNS window on average)
const difficulty_type max_pplns_weight = (tip->get_sidechain_version() > 1) ? (mainchain_diff * 2) : diff_max;
const int sidechain_version = tip->get_sidechain_version();
const difficulty_type max_pplns_weight = (sidechain_version > 1) ? (mainchain_diff * 2) : diff_max;
difficulty_type pplns_weight;
do {
@ -436,8 +443,17 @@ bool SideChain::get_shares(const PoolBlock* tip, std::vector<MinerShare>& shares
}
shares.resize(k + 1);
LOGINFO(6, "get_shares: " << k + 1 << " unique wallets in PPLNS window");
// Shuffle shares
if (sidechain_version > 1) {
std::mt19937_64 rng(*reinterpret_cast<const uint64_t*>(tip->m_txkeySecSeed.h));
for (int64_t i = k; i > 0; --i) {
std::swap(shares[i], shares[rng() % (i + 1)]);
}
}
return true;
}
@ -1350,7 +1366,7 @@ void SideChain::verify(PoolBlock* block)
!block->m_uncles.empty() ||
(block->m_difficulty != m_minDifficulty) ||
(block->m_cumulativeDifficulty != m_minDifficulty) ||
((sidechain_version > 1) && !block->m_txkeySecSeed.empty()))
((sidechain_version > 1) && (block->m_txkeySecSeed != m_consensusHash)))
{
block->m_invalid = true;
}

2
src/side_chain.h
View file

@ -149,6 +149,8 @@ private:
std::atomic<bool> m_precalcFinished;
hash m_consensusHash;
void launch_precalc(const PoolBlock* block);
void precalc_worker();
void finish_precalc();

4
tests/src/block_template_tests.cpp
View file

@ -60,7 +60,7 @@ TEST(block_template, update)
tpl.update(data, mempool, &wallet);
const PoolBlock* b = tpl.pool_block_template();
ASSERT_EQ(b->m_sidechainId, H("3085dc0425d94fb2752e21e5d5a4fbad42105a189f9678cadabb69cf55a321ee"));
ASSERT_EQ(b->m_sidechainId, H("742f581765311fa069d3a90e3338fcffbc3d28de8598ee9fc968ebc092353246"));
std::vector<uint8_t> blobs;
uint64_t height;
@ -79,7 +79,7 @@ TEST(block_template, update)
hash blobs_hash;
keccak(blobs.data(), static_cast<int>(blobs.size()), blobs_hash.h);
ASSERT_EQ(blobs_hash, H("c1211e083d27ddb81eddb125af4f10b6df16efd418cf684f6d0e8e49a5ffaf3f"));
ASSERT_EQ(blobs_hash, H("082b9eb9d35e38cb3c8eb0fae6e03398ea865adba6103db25ed4a33c5face942"));
// Test 2: mempool with high fee and low fee transactions, it must choose high fee transactions
for (uint64_t i = 0; i < 512; ++i) {

4
tests/src/pool_block_tests.cpp
View file

@ -27,6 +27,8 @@ namespace p2pool {
TEST(pool_block, deserialize)
{
init_crypto_cache();
PoolBlock b;
SideChain sidechain(nullptr, NetworkType::Mainnet, "mainnet test 2");
@ -101,6 +103,8 @@ TEST(pool_block, deserialize)
ASSERT_EQ(s.str(), "f76d731c61c9c9b6c3f46be2e60c9478930b49b4455feecd41ecb9420d000000");
ASSERT_EQ(b.m_difficulty.check_pow(pow_hash), true);
destroy_crypto_cache();
}
TEST(pool_block, verify)