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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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37
src/rpc/core_rpc_server.cpp
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@ -1861,6 +1861,43 @@ namespace cryptonote
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool core_rpc_server::on_getminerdata(const COMMAND_RPC_GETMINERDATA::request& req, COMMAND_RPC_GETMINERDATA::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
{
if(!check_core_ready())
{
error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY;
error_resp.message = "Core is busy";
return false;
}
crypto::hash prev_id, seed_hash;
difficulty_type difficulty;
std::vector<tx_block_template_backlog_entry> tx_backlog;
if (!m_core.get_miner_data(res.major_version, res.height, prev_id, seed_hash, difficulty, res.median_weight, res.already_generated_coins, tx_backlog))
{
error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
error_resp.message = "Internal error: failed to get miner data";
LOG_ERROR("Failed to get miner data");
return false;
}
res.tx_backlog.clear();
res.tx_backlog.reserve(tx_backlog.size());
for (const auto& entry : tx_backlog)
{
res.tx_backlog.emplace_back(COMMAND_RPC_GETMINERDATA::response::tx_backlog_entry{string_tools::pod_to_hex(entry.id), entry.weight, entry.fee});
}
res.prev_id = string_tools::pod_to_hex(prev_id);
res.seed_hash = string_tools::pod_to_hex(seed_hash);
res.difficulty = cryptonote::hex(difficulty);
res.status = CORE_RPC_STATUS_OK;
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool core_rpc_server::on_add_aux_pow(const COMMAND_RPC_ADD_AUX_POW::request& req, COMMAND_RPC_ADD_AUX_POW::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
{
RPC_TRACKER(add_aux_pow);