From dfee15eee18a97be5a8fb9822527f98ebd1b33e9 Mon Sep 17 00:00:00 2001 From: SChernykh Date: Thu, 26 Aug 2021 10:20:20 +0200 Subject: RPC and ZeroMQ APIs to support p2pool 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 --- src/rpc/core_rpc_server.cpp | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'src/rpc/core_rpc_server.cpp') diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp index 8d8a68efb..cd0cdad92 100644 --- a/src/rpc/core_rpc_server.cpp +++ b/src/rpc/core_rpc_server.cpp @@ -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_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); -- cgit v1.2.3