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RPC and ZeroMQ APIs to support p2pool

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Adds the following:

- "get_miner_data" to RPC API
- "json-miner-data" to ZeroMQ subscriber contexts

Both provide the necessary data to create a custom block template. They are used by p2pool.

Data provided:

- major fork version
- current height
- previous block id
- RandomX seed hash
- network difficulty
- median block weight
- coins mined by the network so far
- mineable mempool transactions
This commit is contained in:
SChernykh
2021-08-26 10:20:20 +02:00
parent 2d3ce2d64a
commit dfee15eee1
20 changed files with 404 additions and 25 deletions
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39
src/cryptonote_core/tx_pool.cpp
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@@ -913,6 +913,32 @@ namespace cryptonote
}, false, category);
}
//------------------------------------------------------------------
void tx_memory_pool::get_block_template_backlog(std::vector<tx_block_template_backlog_entry>& backlog, bool include_sensitive) const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
CRITICAL_REGION_LOCAL1(m_blockchain);
const relay_category category = include_sensitive ? relay_category::all : relay_category::broadcasted;
backlog.reserve(m_blockchain.get_txpool_tx_count(include_sensitive));
txpool_tx_meta_t tmp_meta;
m_blockchain.for_all_txpool_txes([this, &backlog, &tmp_meta](const crypto::hash &txid, const txpool_tx_meta_t &meta, const cryptonote::blobdata_ref *bd){
transaction tx;
if (!(meta.pruned ? parse_and_validate_tx_base_from_blob(*bd, tx) : parse_and_validate_tx_from_blob(*bd, tx)))
{
MERROR("Failed to parse tx from txpool");
// continue
return true;
}
tx.set_hash(txid);
tmp_meta = meta;
if (is_transaction_ready_to_go(tmp_meta, txid, *bd, tx))
backlog.push_back({txid, meta.weight, meta.fee});
return true;
}, true, category);
}
//------------------------------------------------------------------
void tx_memory_pool::get_transaction_stats(struct txpool_stats& stats, bool include_sensitive) const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
@@ -1222,11 +1248,11 @@ namespace cryptonote
return ret;
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata &txblob, transaction &tx) const
bool tx_memory_pool::is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata_ref& txblob, transaction &tx) const
{
struct transction_parser
struct transaction_parser
{
transction_parser(const cryptonote::blobdata &txblob, const crypto::hash &txid, transaction &tx): txblob(txblob), txid(txid), tx(tx), parsed(false) {}
transaction_parser(const cryptonote::blobdata_ref &txblob, const crypto::hash &txid, transaction &tx): txblob(txblob), txid(txid), tx(tx), parsed(false) {}
cryptonote::transaction &operator()()
{
if (!parsed)
@@ -1238,7 +1264,7 @@ namespace cryptonote
}
return tx;
}
const cryptonote::blobdata &txblob;
const cryptonote::blobdata_ref &txblob;
const crypto::hash &txid;
transaction &tx;
bool parsed;
@@ -1289,6 +1315,11 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata& txblob, transaction &tx) const
{
return is_transaction_ready_to_go(txd, txid, cryptonote::blobdata_ref{txblob.data(), txblob.size()}, tx);
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::have_key_images(const std::unordered_set<crypto::key_image>& k_images, const transaction_prefix& tx)
{
for(size_t i = 0; i!= tx.vin.size(); i++)