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wallet2, RPC: Optimize RPC calls for periodic refresh from 3 down to 1 call [release-v0.18]

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This commit is contained in:
rbrunner7 2021-11-21 17:40:50 +01:00
parent ab826008d6
commit 23f782b211
9 changed files with 762 additions and 208 deletions
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200
src/rpc/core_rpc_server.cpp
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@ -598,88 +598,162 @@ namespace cryptonote
CHECK_PAYMENT(req, res, 1);
// quick check for noop
if (!req.block_ids.empty())
res.daemon_time = (uint64_t)time(NULL);
// Always set daemon time, and set it early rather than late, as delivering some incremental pool
// info twice because of slightly overlapping time intervals is no problem, whereas producing gaps
// and never delivering something is
bool get_blocks = false;
bool get_pool = false;
switch (req.requested_info)
{
uint64_t last_block_height;
crypto::hash last_block_hash;
m_core.get_blockchain_top(last_block_height, last_block_hash);
if (last_block_hash == req.block_ids.front())
case COMMAND_RPC_GET_BLOCKS_FAST::BLOCKS_ONLY:
// Compatibility value 0: Clients that do not set 'requested_info' want blocks, and only blocks
get_blocks = true;
break;
case COMMAND_RPC_GET_BLOCKS_FAST::BLOCKS_AND_POOL:
get_blocks = true;
get_pool = true;
break;
case COMMAND_RPC_GET_BLOCKS_FAST::POOL_ONLY:
get_pool = true;
break;
default:
res.status = "Failed, wrong requested info";
return true;
}
res.pool_info_extent = COMMAND_RPC_GET_BLOCKS_FAST::NONE;
if (get_pool)
{
const bool restricted = m_restricted && ctx;
const bool request_has_rpc_origin = ctx != NULL;
const bool allow_sensitive = !request_has_rpc_origin || !restricted;
bool incremental;
std::vector<tx_memory_pool::tx_details> added_pool_txs;
bool success = m_core.get_pool_info((time_t)req.pool_info_since, allow_sensitive, added_pool_txs, res.removed_pool_txids, incremental);
if (success)
{
res.start_height = 0;
res.current_height = m_core.get_current_blockchain_height();
res.status = CORE_RPC_STATUS_OK;
res.added_pool_txs.clear();
if (m_rpc_payment)
{
CHECK_PAYMENT_SAME_TS(req, res, added_pool_txs.size() * COST_PER_TX + res.removed_pool_txids.size() * COST_PER_POOL_HASH);
}
for (auto tx_detail: added_pool_txs)
{
COMMAND_RPC_GET_BLOCKS_FAST::pool_tx_info info;
info.tx_hash = cryptonote::get_transaction_hash(tx_detail.tx);
std::stringstream oss;
binary_archive<true> ar(oss);
bool r = ::serialization::serialize(ar, tx_detail.tx);
if (!r)
{
res.status = "Failed to serialize transaction";
return true;
}
info.tx_blob = oss.str();
info.double_spend_seen = tx_detail.double_spend_seen;
res.added_pool_txs.push_back(std::move(info));
}
}
if (success)
{
res.pool_info_extent = incremental ? COMMAND_RPC_GET_BLOCKS_FAST::INCREMENTAL : COMMAND_RPC_GET_BLOCKS_FAST::FULL;
}
else
{
res.status = "Failed to get pool info";
return true;
}
}
size_t max_blocks = COMMAND_RPC_GET_BLOCKS_FAST_MAX_BLOCK_COUNT;
if (m_rpc_payment)
if (get_blocks)
{
max_blocks = res.credits / COST_PER_BLOCK;
if (max_blocks > COMMAND_RPC_GET_BLOCKS_FAST_MAX_BLOCK_COUNT)
max_blocks = COMMAND_RPC_GET_BLOCKS_FAST_MAX_BLOCK_COUNT;
if (max_blocks == 0)
// quick check for noop
if (!req.block_ids.empty())
{
res.status = CORE_RPC_STATUS_PAYMENT_REQUIRED;
uint64_t last_block_height;
crypto::hash last_block_hash;
m_core.get_blockchain_top(last_block_height, last_block_hash);
if (last_block_hash == req.block_ids.front())
{
res.start_height = 0;
res.current_height = last_block_height + 1;
res.status = CORE_RPC_STATUS_OK;
return true;
}
}
size_t max_blocks = COMMAND_RPC_GET_BLOCKS_FAST_MAX_BLOCK_COUNT;
if (m_rpc_payment)
{
max_blocks = res.credits / COST_PER_BLOCK;
if (max_blocks > COMMAND_RPC_GET_BLOCKS_FAST_MAX_BLOCK_COUNT)
max_blocks = COMMAND_RPC_GET_BLOCKS_FAST_MAX_BLOCK_COUNT;
if (max_blocks == 0)
{
res.status = CORE_RPC_STATUS_PAYMENT_REQUIRED;
return true;
}
}
std::vector<std::pair<std::pair<cryptonote::blobdata, crypto::hash>, std::vector<std::pair<crypto::hash, cryptonote::blobdata> > > > bs;
if(!m_core.find_blockchain_supplement(req.start_height, req.block_ids, bs, res.current_height, res.start_height, req.prune, !req.no_miner_tx, max_blocks, COMMAND_RPC_GET_BLOCKS_FAST_MAX_TX_COUNT))
{
res.status = "Failed";
add_host_fail(ctx);
return true;
}
}
std::vector<std::pair<std::pair<cryptonote::blobdata, crypto::hash>, std::vector<std::pair<crypto::hash, cryptonote::blobdata> > > > bs;
if(!m_core.find_blockchain_supplement(req.start_height, req.block_ids, bs, res.current_height, res.start_height, req.prune, !req.no_miner_tx, max_blocks, COMMAND_RPC_GET_BLOCKS_FAST_MAX_TX_COUNT))
{
res.status = "Failed";
add_host_fail(ctx);
return true;
}
CHECK_PAYMENT_SAME_TS(req, res, bs.size() * COST_PER_BLOCK);
CHECK_PAYMENT_SAME_TS(req, res, bs.size() * COST_PER_BLOCK);
size_t size = 0, ntxes = 0;
res.blocks.reserve(bs.size());
res.output_indices.reserve(bs.size());
for(auto& bd: bs)
{
res.blocks.resize(res.blocks.size()+1);
res.blocks.back().pruned = req.prune;
res.blocks.back().block = bd.first.first;
size += bd.first.first.size();
res.output_indices.push_back(COMMAND_RPC_GET_BLOCKS_FAST::block_output_indices());
ntxes += bd.second.size();
res.output_indices.back().indices.reserve(1 + bd.second.size());
if (req.no_miner_tx)
res.output_indices.back().indices.push_back(COMMAND_RPC_GET_BLOCKS_FAST::tx_output_indices());
res.blocks.back().txs.reserve(bd.second.size());
for (std::vector<std::pair<crypto::hash, cryptonote::blobdata>>::iterator i = bd.second.begin(); i != bd.second.end(); ++i)
size_t size = 0, ntxes = 0;
res.blocks.reserve(bs.size());
res.output_indices.reserve(bs.size());
for(auto& bd: bs)
{
res.blocks.back().txs.push_back({std::move(i->second), crypto::null_hash});
i->second.clear();
i->second.shrink_to_fit();
size += res.blocks.back().txs.back().blob.size();
}
res.blocks.resize(res.blocks.size()+1);
res.blocks.back().pruned = req.prune;
res.blocks.back().block = bd.first.first;
size += bd.first.first.size();
res.output_indices.push_back(COMMAND_RPC_GET_BLOCKS_FAST::block_output_indices());
ntxes += bd.second.size();
res.output_indices.back().indices.reserve(1 + bd.second.size());
if (req.no_miner_tx)
res.output_indices.back().indices.push_back(COMMAND_RPC_GET_BLOCKS_FAST::tx_output_indices());
res.blocks.back().txs.reserve(bd.second.size());
for (std::vector<std::pair<crypto::hash, cryptonote::blobdata>>::iterator i = bd.second.begin(); i != bd.second.end(); ++i)
{
res.blocks.back().txs.push_back({std::move(i->second), crypto::null_hash});
i->second.clear();
i->second.shrink_to_fit();
size += res.blocks.back().txs.back().blob.size();
}
const size_t n_txes_to_lookup = bd.second.size() + (req.no_miner_tx ? 0 : 1);
if (n_txes_to_lookup > 0)
{
std::vector<std::vector<uint64_t>> indices;
bool r = m_core.get_tx_outputs_gindexs(req.no_miner_tx ? bd.second.front().first : bd.first.second, n_txes_to_lookup, indices);
if (!r)
const size_t n_txes_to_lookup = bd.second.size() + (req.no_miner_tx ? 0 : 1);
if (n_txes_to_lookup > 0)
{
res.status = "Failed";
return true;
std::vector<std::vector<uint64_t>> indices;
bool r = m_core.get_tx_outputs_gindexs(req.no_miner_tx ? bd.second.front().first : bd.first.second, n_txes_to_lookup, indices);
if (!r)
{
res.status = "Failed";
return true;
}
if (indices.size() != n_txes_to_lookup || res.output_indices.back().indices.size() != (req.no_miner_tx ? 1 : 0))
{
res.status = "Failed";
return true;
}
for (size_t i = 0; i < indices.size(); ++i)
res.output_indices.back().indices.push_back({std::move(indices[i])});
}
if (indices.size() != n_txes_to_lookup || res.output_indices.back().indices.size() != (req.no_miner_tx ? 1 : 0))
{
res.status = "Failed";
return true;
}
for (size_t i = 0; i < indices.size(); ++i)
res.output_indices.back().indices.push_back({std::move(indices[i])});
}
MDEBUG("on_get_blocks: " << bs.size() << " blocks, " << ntxes << " txes, size " << size);
}
MDEBUG("on_get_blocks: " << bs.size() << " blocks, " << ntxes << " txes, size " << size);
res.status = CORE_RPC_STATUS_OK;
return true;
}