mirror of
https://github.com/SChernykh/p2pool.git
synced 2024-11-17 08:17:55 +00:00
Set sidechain extra (duplicate shares fix)
This commit is contained in:
parent
1ce8f28105
commit
af0fa872ae
6 changed files with 131 additions and 100 deletions
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@ -74,6 +74,7 @@ BlockTemplate::BlockTemplate(SideChain* sidechain, RandomX_Hasher_Base* hasher)
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m_transactionHashes.reserve(8192);
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m_rewards.reserve(100);
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m_blockTemplateBlob.reserve(65536);
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m_fullDataBlob.reserve(65536);
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m_merkleTreeMainBranch.reserve(HASH_SIZE * 10);
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m_mempoolTxs.reserve(1024);
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m_mempoolTxsOrder.reserve(1024);
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@ -121,6 +122,7 @@ BlockTemplate& BlockTemplate::operator=(const BlockTemplate& b)
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m_templateId = b.m_templateId;
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m_lastUpdated = b.m_lastUpdated.load();
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m_blockTemplateBlob = b.m_blockTemplateBlob;
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m_fullDataBlob = b.m_fullDataBlob;
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m_merkleTreeMainBranch = b.m_merkleTreeMainBranch;
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m_blockHeaderSize = b.m_blockHeaderSize;
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m_minerTxOffsetInTemplate = b.m_minerTxOffsetInTemplate;
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@ -575,42 +577,48 @@ void BlockTemplate::update(const MinerData& data, const Mempool& mempool, Wallet
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m_poolBlockTemplate->m_minerWallet = *miner_wallet;
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m_poolBlockTemplate->m_sidechainId = calc_sidechain_hash();
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const int sidechain_hash_offset = static_cast<int>(m_extraNonceOffsetInTemplate + m_poolBlockTemplate->m_extraNonceSize) + 2;
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// Layout: [software id, version, random number, sidechain extra_nonce]
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uint32_t* sidechain_extra = m_poolBlockTemplate->m_sidechainExtraBuf;
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sidechain_extra[0] = 0;
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sidechain_extra[1] = (P2POOL_VERSION_MAJOR << 16) | P2POOL_VERSION_MINOR;
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sidechain_extra[2] = static_cast<uint32_t>(m_rng());
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sidechain_extra[3] = 0;
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memcpy(m_blockTemplateBlob.data() + sidechain_hash_offset, m_poolBlockTemplate->m_sidechainId.h, HASH_SIZE);
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memcpy(m_minerTx.data() + sidechain_hash_offset - m_minerTxOffsetInTemplate, m_poolBlockTemplate->m_sidechainId.h, HASH_SIZE);
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#if POOL_BLOCK_DEBUG
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const std::vector<uint8_t> mainchain_data = m_poolBlockTemplate->serialize_mainchain_data();
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const std::vector<uint8_t> sidechain_data = m_poolBlockTemplate->serialize_sidechain_data();
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m_fullDataBlob = m_blockTemplateBlob;
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m_fullDataBlob.insert(m_fullDataBlob.end(), sidechain_data.begin(), sidechain_data.end());
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if (mainchain_data != m_blockTemplateBlob) {
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LOGERR(1, "serialize_mainchain_data() has a bug, fix it! ");
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LOGERR(1, "m_poolBlockTemplate->m_mainChainData.size() = " << mainchain_data.size());
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LOGERR(1, "m_blockTemplateBlob.size() = " << m_blockTemplateBlob.size());
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for (size_t i = 0, n = std::min(mainchain_data.size(), m_blockTemplateBlob.size()); i < n; ++i) {
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if (mainchain_data[i] != m_blockTemplateBlob[i]) {
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LOGERR(1, "m_poolBlockTemplate->m_mainChainData is different at offset " << i);
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break;
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m_poolBlockTemplate->m_extraNonce = 0;
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m_poolBlockTemplate->m_sidechainId = calc_sidechain_hash(0);
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if (pool_block_debug()) {
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const size_t sidechain_hash_offset = m_extraNonceOffsetInTemplate + m_poolBlockTemplate->m_extraNonceSize + 2;
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memcpy(m_blockTemplateBlob.data() + sidechain_hash_offset, m_poolBlockTemplate->m_sidechainId.h, HASH_SIZE);
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memcpy(m_fullDataBlob.data() + sidechain_hash_offset, m_poolBlockTemplate->m_sidechainId.h, HASH_SIZE);
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memcpy(m_minerTx.data() + sidechain_hash_offset - m_minerTxOffsetInTemplate, m_poolBlockTemplate->m_sidechainId.h, HASH_SIZE);
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const std::vector<uint8_t> mainchain_data = m_poolBlockTemplate->serialize_mainchain_data();
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if (mainchain_data != m_blockTemplateBlob) {
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LOGERR(1, "serialize_mainchain_data() has a bug, fix it! ");
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LOGERR(1, "mainchain_data.size() = " << mainchain_data.size());
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LOGERR(1, "m_blockTemplateBlob.size() = " << m_blockTemplateBlob.size());
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for (size_t i = 0, n = std::min(mainchain_data.size(), m_blockTemplateBlob.size()); i < n; ++i) {
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if (mainchain_data[i] != m_blockTemplateBlob[i]) {
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LOGERR(1, "mainchain_data is different at offset " << i);
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break;
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}
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}
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}
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}
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{
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std::vector<uint8_t> buf = m_blockTemplateBlob;
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buf.insert(buf.end(), sidechain_data.begin(), sidechain_data.end());
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PoolBlock check;
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const int result = check.deserialize(buf.data(), buf.size(), *m_sidechain, nullptr, false);
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const int result = check.deserialize(m_fullDataBlob.data(), m_fullDataBlob.size(), *m_sidechain, nullptr, false);
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if (result != 0) {
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LOGERR(1, "pool block blob generation and/or parsing is broken, error " << result);
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}
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else {
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LOGINFO(6, "blob size = " << buf.size());
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LOGINFO(6, "blob size = " << m_fullDataBlob.size());
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}
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}
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#endif
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memset(m_minerTxKeccakState, 0, sizeof(m_minerTxKeccakState));
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@ -848,46 +856,51 @@ int BlockTemplate::create_miner_tx(const MinerData& data, const std::vector<Mine
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return 1;
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}
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hash BlockTemplate::calc_sidechain_hash() const
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hash BlockTemplate::calc_sidechain_hash(uint32_t sidechain_extra_nonce) const
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{
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// Calculate side-chain hash (all block template bytes + all side-chain bytes + consensus ID, replacing NONCE, EXTRA_NONCE and HASH itself with 0's)
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hash sidechain_hash;
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const int sidechain_hash_offset = static_cast<int>(m_extraNonceOffsetInTemplate + m_poolBlockTemplate->m_extraNonceSize) + 2;
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const int blob_size = static_cast<int>(m_blockTemplateBlob.size());
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const size_t sidechain_hash_offset = m_extraNonceOffsetInTemplate + m_poolBlockTemplate->m_extraNonceSize + 2;
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const std::vector<uint8_t>& consensus_id = m_sidechain->consensus_id();
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const std::vector<uint8_t> sidechain_data = m_poolBlockTemplate->serialize_sidechain_data();
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keccak_custom([this, sidechain_hash_offset, blob_size, consensus_id, &sidechain_data](int offset) -> uint8_t {
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uint32_t k = static_cast<uint32_t>(offset - static_cast<int>(m_nonceOffset));
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if (k < NONCE_SIZE) {
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return 0;
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}
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const int v = m_poolBlockTemplate->get_sidechain_version();
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const size_t sidechain_extra_nonce_offset = m_fullDataBlob.size() - ((v > 1) ? EXTRA_NONCE_SIZE : 0);
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k = static_cast<uint32_t>(offset - static_cast<int>(m_extraNonceOffsetInTemplate));
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const uint8_t sidechain_extra_nonce_buf[EXTRA_NONCE_SIZE] = {
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static_cast<uint8_t>(sidechain_extra_nonce >> 0),
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static_cast<uint8_t>(sidechain_extra_nonce >> 8),
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static_cast<uint8_t>(sidechain_extra_nonce >> 16),
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static_cast<uint8_t>(sidechain_extra_nonce >> 24)
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};
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keccak_custom([this, sidechain_hash_offset, consensus_id, sidechain_extra_nonce_offset, &sidechain_extra_nonce_buf](int offset) -> uint8_t {
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uint32_t k = static_cast<uint32_t>(offset - static_cast<int>(m_nonceOffset));
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if (k < NONCE_SIZE) {
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return 0;
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}
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k = static_cast<uint32_t>(offset - static_cast<int>(m_extraNonceOffsetInTemplate));
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if (k < EXTRA_NONCE_SIZE) {
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return 0;
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}
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k = static_cast<uint32_t>(offset - static_cast<int>(sidechain_hash_offset));
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if (k < HASH_SIZE) {
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return 0;
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}
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if (offset < static_cast<int>(m_fullDataBlob.size())) {
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k = static_cast<uint32_t>(offset - sidechain_extra_nonce_offset);
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if (k < EXTRA_NONCE_SIZE) {
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return 0;
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return sidechain_extra_nonce_buf[k];
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}
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return m_fullDataBlob[offset];
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}
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k = static_cast<uint32_t>(offset - sidechain_hash_offset);
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if (k < HASH_SIZE) {
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return 0;
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}
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if (offset < blob_size) {
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return m_blockTemplateBlob[offset];
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}
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const int side_chain_data_offsset = offset - blob_size;
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const int side_chain_data_size = static_cast<int>(sidechain_data.size());
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if (side_chain_data_offsset < side_chain_data_size) {
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return sidechain_data[side_chain_data_offsset];
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}
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const int consensus_id_offset = side_chain_data_offsset - side_chain_data_size;
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return consensus_id[consensus_id_offset];
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},
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static_cast<int>(m_blockTemplateBlob.size() + sidechain_data.size() + consensus_id.size()), sidechain_hash.h, HASH_SIZE);
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const int consensus_id_offset = offset - static_cast<int>(m_fullDataBlob.size());
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return consensus_id[consensus_id_offset];
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}, static_cast<int>(m_fullDataBlob.size() + consensus_id.size()), sidechain_hash.h, HASH_SIZE);
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return sidechain_hash;
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}
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@ -907,44 +920,56 @@ hash BlockTemplate::calc_miner_tx_hash(uint32_t extra_nonce) const
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static_cast<uint8_t>(extra_nonce >> 24)
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};
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// Calculate sidechain id with this extra_nonce
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const hash sidechain_id = calc_sidechain_hash(extra_nonce);
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const size_t sidechain_hash_offset = extra_nonce_offset + m_poolBlockTemplate->m_extraNonceSize + 2;
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// 1. Prefix (everything except vin_rct_type byte in the end)
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// Apply extra_nonce in-place because we can't write to the block template here
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const size_t tx_size = m_minerTxSize - 1;
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hash full_hash;
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uint8_t tx_buf[288];
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if ((m_minerTxKeccakStateInputLength <= extra_nonce_offset) && (m_minerTxKeccakStateInputLength < tx_size) && (tx_size - m_minerTxKeccakStateInputLength <= sizeof(tx_buf))) {
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const int inlen = static_cast<int>(tx_size - m_minerTxKeccakStateInputLength);
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memcpy(tx_buf, data + m_minerTxKeccakStateInputLength, inlen);
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memcpy(tx_buf + extra_nonce_offset - m_minerTxKeccakStateInputLength, extra_nonce_buf, EXTRA_NONCE_SIZE);
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const bool b = (m_minerTxKeccakStateInputLength <= extra_nonce_offset) && (m_minerTxKeccakStateInputLength < tx_size) && (tx_size - m_minerTxKeccakStateInputLength <= sizeof(tx_buf));
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// Slow path: O(N)
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if (!b || pool_block_debug())
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{
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keccak_custom([data, extra_nonce_offset, &extra_nonce_buf, sidechain_hash_offset, &sidechain_id](int offset) {
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uint32_t k = static_cast<uint32_t>(offset - static_cast<int>(extra_nonce_offset));
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if (k < EXTRA_NONCE_SIZE) {
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return extra_nonce_buf[k];
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}
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k = static_cast<uint32_t>(offset - static_cast<int>(sidechain_hash_offset));
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if (k < HASH_SIZE) {
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return sidechain_id.h[k];
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}
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return data[offset];
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}, static_cast<int>(tx_size), full_hash.h, HASH_SIZE);
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memcpy(hashes, full_hash.h, HASH_SIZE);
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}
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// Fast path: O(1)
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if (b) {
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const size_t N = m_minerTxKeccakStateInputLength;
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const int inlen = static_cast<int>(tx_size - N);
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memcpy(tx_buf, data + N, inlen);
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memcpy(tx_buf + extra_nonce_offset - N, extra_nonce_buf, EXTRA_NONCE_SIZE);
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memcpy(tx_buf + sidechain_hash_offset - N, sidechain_id.h, HASH_SIZE);
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uint64_t st[25];
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memcpy(st, m_minerTxKeccakState, sizeof(st));
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keccak_finish(tx_buf, inlen, st);
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memcpy(hashes, st, HASH_SIZE);
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#if POOL_BLOCK_DEBUG
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hash check;
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keccak_custom([data, extra_nonce_offset, &extra_nonce_buf](int offset) {
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const uint32_t k = static_cast<uint32_t>(offset - static_cast<int>(extra_nonce_offset));
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if (k < EXTRA_NONCE_SIZE) {
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return extra_nonce_buf[k];
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}
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return data[offset];
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}, static_cast<int>(tx_size), check.h, HASH_SIZE);
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if (memcmp(hashes, check.h, HASH_SIZE) != 0) {
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if (pool_block_debug() && (memcmp(st, full_hash.h, HASH_SIZE) != 0)) {
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LOGERR(1, "calc_miner_tx_hash fast path is broken. Fix the code!");
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}
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#endif
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}
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else {
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keccak_custom([data, extra_nonce_offset, &extra_nonce_buf](int offset) {
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const uint32_t k = static_cast<uint32_t>(offset - static_cast<int>(extra_nonce_offset));
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if (k < EXTRA_NONCE_SIZE) {
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return extra_nonce_buf[k];
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}
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return data[offset];
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}, static_cast<int>(tx_size), hashes, HASH_SIZE);
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memcpy(hashes, st, HASH_SIZE);
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}
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// 2. Base RCT, single 0 byte in miner tx
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@ -968,16 +993,14 @@ void BlockTemplate::calc_merkle_tree_main_branch()
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m_merkleTreeMainBranch.clear();
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const uint64_t count = m_numTransactionHashes + 1;
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if (count == 1) {
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return;
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}
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const uint8_t* h = m_transactionHashes.data();
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hash root_hash;
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if (count == 1) {
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memcpy(root_hash.h, h, HASH_SIZE);
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}
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else if (count == 2) {
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if (count == 2) {
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m_merkleTreeMainBranch.insert(m_merkleTreeMainBranch.end(), h + HASH_SIZE, h + HASH_SIZE * 2);
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keccak(h, HASH_SIZE * 2, root_hash.h);
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}
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else {
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size_t i, j, cnt;
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@ -1011,7 +1034,6 @@ void BlockTemplate::calc_merkle_tree_main_branch()
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}
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m_merkleTreeMainBranch.insert(m_merkleTreeMainBranch.end(), ints.data() + HASH_SIZE, ints.data() + HASH_SIZE * 2);
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keccak(ints.data(), HASH_SIZE * 2, root_hash.h);
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}
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}
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@ -1174,9 +1196,10 @@ bool BlockTemplate::submit_sidechain_block(uint32_t template_id, uint32_t nonce,
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if (template_id == m_templateId) {
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m_poolBlockTemplate->m_nonce = nonce;
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m_poolBlockTemplate->m_extraNonce = extra_nonce;
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m_poolBlockTemplate->m_sidechainId = calc_sidechain_hash(extra_nonce);
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m_poolBlockTemplate->m_sidechainExtraBuf[3] = extra_nonce;
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#if POOL_BLOCK_DEBUG
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{
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if (pool_block_debug()) {
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std::vector<uint8_t> buf = m_poolBlockTemplate->serialize_mainchain_data();
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const std::vector<uint8_t> sidechain_data = m_poolBlockTemplate->serialize_sidechain_data();
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@ -1201,7 +1224,6 @@ bool BlockTemplate::submit_sidechain_block(uint32_t template_id, uint32_t nonce,
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}
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}
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}
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#endif
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m_poolBlockTemplate->m_verified = true;
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if (!m_sidechain->block_seen(*m_poolBlockTemplate)) {
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@ -56,7 +56,11 @@ public:
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bool submit_sidechain_block(uint32_t template_id, uint32_t nonce, uint32_t extra_nonce);
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FORCEINLINE const std::vector<MinerShare>& shares() const { return m_shares; }
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#ifdef P2POOL_UNIT_TESTS
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FORCEINLINE const PoolBlock* pool_block_template() const { return m_poolBlockTemplate; }
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FORCEINLINE std::mt19937_64& rng() { return m_rng; }
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#endif
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private:
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SideChain* m_sidechain;
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@ -64,7 +68,7 @@ private:
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private:
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int create_miner_tx(const MinerData& data, const std::vector<MinerShare>& shares, uint64_t max_reward_amounts_weight, bool dry_run);
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hash calc_sidechain_hash() const;
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hash calc_sidechain_hash(uint32_t sidechain_extra_nonce) const;
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hash calc_miner_tx_hash(uint32_t extra_nonce) const;
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void calc_merkle_tree_main_branch();
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@ -76,6 +80,7 @@ private:
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std::atomic<uint64_t> m_lastUpdated;
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std::vector<uint8_t> m_blockTemplateBlob;
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std::vector<uint8_t> m_fullDataBlob;
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std::vector<uint8_t> m_merkleTreeMainBranch;
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size_t m_blockHeaderSize;
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@ -255,7 +255,8 @@ std::vector<uint8_t> PoolBlock::serialize_sidechain_data() const
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writeVarint(m_cumulativeDifficulty.hi, data);
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if (get_sidechain_version() > 1) {
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data.insert(data.end(), m_sidechainExtraBuf, m_sidechainExtraBuf + sizeof(m_sidechainExtraBuf));
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const uint8_t* p = reinterpret_cast<const uint8_t*>(m_sidechainExtraBuf);
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data.insert(data.end(), p, p + sizeof(m_sidechainExtraBuf));
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}
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#if POOL_BLOCK_DEBUG
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@ -28,6 +28,8 @@
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namespace p2pool {
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static FORCEINLINE constexpr int pool_block_debug() { return POOL_BLOCK_DEBUG; }
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class RandomX_Hasher_Base;
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class SideChain;
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@ -116,7 +118,7 @@ struct PoolBlock
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difficulty_type m_cumulativeDifficulty;
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// Arbitrary extra data
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uint8_t m_sidechainExtraBuf[16];
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uint32_t m_sidechainExtraBuf[4];
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// HASH (see diagram in the comment above)
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hash m_sidechainId;
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@ -387,13 +387,13 @@ int PoolBlock::deserialize(const uint8_t* data, size_t size, const SideChain& si
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},
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static_cast<int>(size + outputs_blob_size_diff + transactions_blob_size_diff + consensus_id.size()), check.h, HASH_SIZE);
|
||||
|
||||
if (check != m_sidechainId) {
|
||||
return __LINE__;
|
||||
}
|
||||
|
||||
#if POOL_BLOCK_DEBUG
|
||||
m_sideChainDataDebug.assign(sidechain_data_begin, data_end);
|
||||
#endif
|
||||
|
||||
if (check != m_sidechainId) {
|
||||
return __LINE__;
|
||||
}
|
||||
}
|
||||
catch (std::exception& e) {
|
||||
const char* msg = e.what();
|
||||
|
|
|
@ -32,6 +32,7 @@ TEST(block_template, update)
|
|||
|
||||
SideChain sidechain(nullptr, NetworkType::Mainnet);
|
||||
BlockTemplate tpl(&sidechain, nullptr);
|
||||
tpl.rng().seed(123);
|
||||
|
||||
auto H = [](const char* s)
|
||||
{
|
||||
|
@ -59,7 +60,7 @@ TEST(block_template, update)
|
|||
tpl.update(data, mempool, &wallet);
|
||||
|
||||
const PoolBlock* b = tpl.pool_block_template();
|
||||
ASSERT_EQ(b->m_sidechainId, H("ba055380a4be77577504241e0c912e9492ddcf5cc1a52f665d8f04bf3d68ef3d"));
|
||||
ASSERT_EQ(b->m_sidechainId, H("d98c48f1137eac26d31ae1d94cce12625c519fc79d1b153035418a1715f6be61"));
|
||||
|
||||
std::vector<uint8_t> blobs;
|
||||
uint64_t height;
|
||||
|
@ -78,7 +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("a3e18f64b6a45c8f559c9c56d318fe4d31ef95fb52e149e6658e5a22810aabae"));
|
||||
ASSERT_EQ(blobs_hash, H("c828b3ef21a28535373aba95ece7429b4abb4c687883722f901eeaf110a9ebaa"));
|
||||
|
||||
// Test 2: mempool with high fee and low fee transactions, it must choose high fee transactions
|
||||
for (uint64_t i = 0; i < 512; ++i) {
|
||||
|
|
Loading…
Reference in a new issue