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Tari: enabled submit block gRPC call
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@SChernykh
SChernykh committed May 10, 2024
1 parent be1445d commit fe19402
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Showing 2 changed files with 111 additions and 17 deletions.
113 changes: 96 additions & 17 deletions src/merge_mining_client_tari.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
#include "p2pool.h"
#include "params.h"
#include "block_template.h"
#include "keccak.h"

LOG_CATEGORY(MergeMiningClientTari)

Expand All @@ -32,6 +33,7 @@ MergeMiningClientTari::MergeMiningClientTari(p2pool* pool, std::string host, con
: m_chainParams{}
, m_auxWallet(wallet)
, m_pool(pool)
, m_tariJobParams{}
, m_server(new TariServer(pool->params().m_socks5Proxy))
, m_hostStr(host)
, m_workerStop(0)
Expand Down Expand Up @@ -125,7 +127,7 @@ bool MergeMiningClientTari::get_params(ChainParameters& out_params) const
return true;
}

void MergeMiningClientTari::submit_solution(const BlockTemplate* block_tpl, const uint8_t (&hashing_blob)[128], size_t nonce_offset, const hash& seed_hash, const std::vector<uint8_t>& blob, const std::vector<hash>& /*merkle_proof*/, uint32_t /*merkle_proof_path*/)
void MergeMiningClientTari::submit_solution(const BlockTemplate* block_tpl, const uint8_t (&hashing_blob)[128], size_t nonce_offset, const hash& seed_hash, const std::vector<uint8_t>& blob, const std::vector<hash>& merkle_proof, uint32_t merkle_proof_path)
{
Block block;
{
Expand Down Expand Up @@ -169,7 +171,68 @@ void MergeMiningClientTari::submit_solution(const BlockTemplate* block_tpl, cons
// Path bitmap (always 0 for the coinbase tx)
data.append(1, 0);

// TODO: serialize coinbase_tx_hasher, coinbase_tx_extra, aux_chain_merkle_proof
// coinbase_tx_hasher
const uint8_t* coinbase_tx = blob.data() + nonce_offset + sizeof(uint32_t);

const uint8_t* p = coinbase_tx;
const uint8_t* e = blob.data() + blob.size();

uint64_t k;

p += 1; // TX_VERSION
p = readVarint(p, e, k); if (!p) return; // unlock height
p += 2; // '1', TXIN_GEN
p = readVarint(p, e, k); if (!p) return; // txinGenHeight
p = readVarint(p, e, k); if (!p) return; // num_outputs

for (uint64_t i = 0; i < k; ++i) {
uint64_t reward;
p = readVarint(p, e, reward); if (!p) return;
p += 1 + HASH_SIZE + 1; // tx_type, public key, view tag
}

std::array<uint64_t, 25> keccak_state = {};

size_t offset = p - coinbase_tx;

uint32_t tx_extra_size;
p = readVarint(p, e, tx_extra_size); if (!p) return;

p = coinbase_tx;

while (offset >= KeccakParams::HASH_DATA_AREA) {
for (size_t i = 0; i < KeccakParams::HASH_DATA_AREA / sizeof(uint64_t); ++i) {
keccak_state[i] ^= read_unaligned(reinterpret_cast<const uint64_t*>(p) + i);
}
keccakf(keccak_state);
p += KeccakParams::HASH_DATA_AREA;
offset -= KeccakParams::HASH_DATA_AREA;
}

for (size_t i = 0; i < offset; ++i, ++p) {
reinterpret_cast<uint8_t*>(keccak_state.data())[i] ^= *p;
}

// coinbase_tx_hasher.buffer
data.append(reinterpret_cast<const char*>(keccak_state.data()), sizeof(keccak_state));

// coinbase_tx_hasher.offset
data.append(1, static_cast<uint8_t>(offset));

// coinbase_tx_hasher.rate
data.append(1, static_cast<uint8_t>(KeccakParams::HASH_DATA_AREA));

// coinbase_tx_hasher.mode
data.append(1, 1);

// coinbase_tx_extra
data.append(reinterpret_cast<const char*>(&tx_extra_size), sizeof(tx_extra_size));
data.append(reinterpret_cast<const char*>(p), tx_extra_size);

// aux_chain_merkle_proof
data.append(1, static_cast<char>(merkle_proof.size()));
data.append(reinterpret_cast<const char*>(merkle_proof.data()), merkle_proof.size() * HASH_SIZE);
writeVarint(merkle_proof_path, [&data](uint8_t value) { data.append(1, value); });

pow->set_pow_data(data);
}
Expand Down Expand Up @@ -208,8 +271,6 @@ void MergeMiningClientTari::run()

MutexLock lock(m_workerLock);

LOGINFO(6, "Getting new block template from Tari node");

GetNewBlockTemplateWithCoinbasesRequest request;
PowAlgo* algo = new PowAlgo();
algo->set_pow_algo(PowAlgo_PowAlgos_POW_ALGOS_RANDOMX);
Expand Down Expand Up @@ -255,26 +316,44 @@ void MergeMiningClientTari::run()
}

if (ok) {
TariJobParams job_params;

job_params.height = response.block().header().height();
job_params.diff = response.miner_data().target_difficulty();
job_params.reward = response.miner_data().reward();
job_params.fees = response.miner_data().total_fees();

hash chain_id;
{
WriteLock lock2(m_chainParamsLock);

if (m_chainParams.aux_id.empty()) {
LOGINFO(1, m_hostStr << " uses chain_id " << log::LightCyan() << log::hex_buf(id.data(), id.size()));
std::copy(id.begin(), id.end(), m_chainParams.aux_id.h);
}
if (job_params != m_tariJobParams) {
m_tariJobParams = job_params;

if (m_chainParams.aux_id.empty()) {
LOGINFO(1, m_hostStr << " uses chain_id " << log::LightCyan() << log::hex_buf(id.data(), id.size()));
std::copy(id.begin(), id.end(), m_chainParams.aux_id.h);
}

chain_id = m_chainParams.aux_id;

std::copy(mm_hash.begin(), mm_hash.end(), m_chainParams.aux_hash.h);
m_chainParams.aux_diff = static_cast<difficulty_type>(response.miner_data().target_difficulty());
std::copy(mm_hash.begin(), mm_hash.end(), m_chainParams.aux_hash.h);
m_chainParams.aux_diff = static_cast<difficulty_type>(response.miner_data().target_difficulty());

m_tariBlock = response.block();
m_tariBlock = response.block();

LOGINFO(5, "Tari block template: height = " << job_params.height
<< ", diff = " << job_params.diff
<< ", reward = " << job_params.reward
<< ", fees = " << job_params.fees
<< ", hash = " << log::hex_buf(mm_hash.data(), mm_hash.size())
);
}
}

LOGINFO(6, "Tari block template: height = " << response.block().header().height()
<< ", diff = " << response.miner_data().target_difficulty()
<< ", reward = " << response.miner_data().reward()
<< ", fees = " << response.miner_data().total_fees()
<< ", hash = " << log::hex_buf(mm_hash.data(), mm_hash.size())
);
if (!chain_id.empty()) {
m_pool->update_aux_data(chain_id);
}
}
}

Expand Down
15 changes: 15 additions & 0 deletions src/merge_mining_client_tari.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,21 @@ class MergeMiningClientTari : public IMergeMiningClient, public nocopy_nomove
std::string m_auxWallet;
p2pool* m_pool;

struct TariJobParams
{
uint64_t height;
uint64_t diff;
uint64_t reward;
uint64_t fees;

FORCEINLINE bool operator!=(const TariJobParams& job) const {
static_assert(sizeof(TariJobParams) == sizeof(uint64_t) * 4, "Invalid TariJobParams size");
return memcmp(this, &job, sizeof(TariJobParams)) != 0;
}
};

TariJobParams m_tariJobParams;

private:
static constexpr uint64_t BUF_SIZE = 16384;

Expand Down

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