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rpc: add a command to get info about the current blockchain

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About the tip of the main chain, and the last N blocks
This commit is contained in:
moneromooo-monero 2017-01-08 11:14:11 +00:00
parent 2806842200
commit 5b5017e267
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GPG key ID: 686F07454D6CEFC3
7 changed files with 134 additions and 1 deletions
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103
src/daemon/rpc_command_executor.cpp
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@ -1406,5 +1406,108 @@ bool t_rpc_command_executor::alt_chain_info()
return true;
}
bool t_rpc_command_executor::print_blockchain_dynamic_stats(uint64_t nblocks)
{
cryptonote::COMMAND_RPC_GET_INFO::request ireq;
cryptonote::COMMAND_RPC_GET_INFO::response ires;
cryptonote::COMMAND_RPC_GET_BLOCK_HEADERS_RANGE::request bhreq;
cryptonote::COMMAND_RPC_GET_BLOCK_HEADERS_RANGE::response bhres;
cryptonote::COMMAND_RPC_GET_PER_KB_FEE_ESTIMATE::request fereq;
cryptonote::COMMAND_RPC_GET_PER_KB_FEE_ESTIMATE::response feres;
epee::json_rpc::error error_resp;
std::string fail_message = "Problem fetching info";
if (m_is_rpc)
{
if (!m_rpc_client->rpc_request(ireq, ires, "/getinfo", fail_message.c_str()))
{
return true;
}
if (!m_rpc_client->rpc_request(fereq, feres, "/get_fee_estimate", fail_message.c_str()))
{
return true;
}
}
else
{
if (!m_rpc_server->on_get_info(ireq, ires) || ires.status != CORE_RPC_STATUS_OK)
{
tools::fail_msg_writer() << fail_message.c_str();
return true;
}
if (!m_rpc_server->on_get_per_kb_fee_estimate(fereq, feres, error_resp) || feres.status != CORE_RPC_STATUS_OK)
{
tools::fail_msg_writer() << fail_message.c_str();
return true;
}
}
tools::msg_writer() << "Height: " << ires.height << ", diff " << ires.difficulty << ", cum. diff " << ires.cumulative_difficulty
<< ", target " << ires.target << " sec" << ", dyn fee " << cryptonote::print_money(feres.fee) << "/kB";
if (nblocks > 0)
{
if (nblocks > ires.height)
nblocks = ires.height;
bhreq.start_height = ires.height - nblocks;
bhreq.end_height = ires.height - 1;
if (m_is_rpc)
{
if (!m_rpc_client->rpc_request(bhreq, bhres, "/getblockheadersrange", fail_message.c_str()))
{
return true;
}
}
else
{
if (!m_rpc_server->on_get_block_headers_range(bhreq, bhres, error_resp) || bhres.status != CORE_RPC_STATUS_OK)
{
tools::fail_msg_writer() << fail_message.c_str();
return true;
}
}
double avgdiff = 0;
double avgnumtxes = 0;
double avgreward = 0;
std::vector<uint64_t> sizes;
sizes.reserve(nblocks);
std::vector<unsigned> major_versions(256, 0), minor_versions(256, 0);
for (const auto &bhr: bhres.headers)
{
avgdiff += bhr.difficulty;
avgnumtxes += bhr.num_txes;
avgreward += bhr.reward;
sizes.push_back(bhr.block_size);
static_assert(sizeof(bhr.major_version) == 1, "major_version expected to be uint8_t");
static_assert(sizeof(bhr.minor_version) == 1, "major_version expected to be uint8_t");
major_versions[(unsigned)bhr.major_version]++;
minor_versions[(unsigned)bhr.minor_version]++;
}
avgdiff /= nblocks;
avgnumtxes /= nblocks;
avgreward /= nblocks;
uint64_t median_block_size = epee::misc_utils::median(sizes);
tools::msg_writer() << "Last " << nblocks << ": avg. diff " << (uint64_t)avgdiff << ", avg num txes " << avgnumtxes
<< ", avg. reward " << cryptonote::print_money(avgreward) << ", median block size " << median_block_size;
unsigned int max_major = 256, max_minor = 256;
while (max_major > 0 && !major_versions[--max_major]);
while (max_minor > 0 && !minor_versions[--max_minor]);
std::string s = "";
for (unsigned n = 0; n <= max_major; ++n)
if (major_versions[n])
s += (s.empty() ? "" : ", ") + boost::lexical_cast<std::string>(major_versions[n]) + std::string(" v") + boost::lexical_cast<std::string>(n);
tools::msg_writer() << "Block versions: " << s;
s = "";
for (unsigned n = 0; n <= max_minor; ++n)
if (minor_versions[n])
s += (s.empty() ? "" : ", ") + boost::lexical_cast<std::string>(minor_versions[n]) + std::string(" v") + boost::lexical_cast<std::string>(n);
tools::msg_writer() << "Voting for: " << s;
}
return true;
}
}// namespace daemonize