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wallet2: chunk get_outs.bin calls to avoid sanity limits

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moneromooo-monero 2021-07-15 17:25:07 +00:00 committed by selsta
parent 2243318000
commit a6df656b4e
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GPG Key ID: 2EA0A99A8B07AE5E
1 changed files with 20 additions and 8 deletions
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28
src/wallet/wallet2.cpp
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@ -8569,18 +8569,30 @@ void wallet2::get_outs(std::vector<std::vector<tools::wallet2::get_outs_entry>>
} }
// get the keys for those // get the keys for those
req.get_txid = false; // the response can get large and end up rejected by the anti DoS limits, so chunk it if needed
size_t offset = 0;
while (offset < req.outputs.size())
{ {
static const size_t chunk_size = 1000;
COMMAND_RPC_GET_OUTPUTS_BIN::request chunk_req = AUTO_VAL_INIT(chunk_req);
COMMAND_RPC_GET_OUTPUTS_BIN::response chunk_daemon_resp = AUTO_VAL_INIT(chunk_daemon_resp);
chunk_req.get_txid = false;
for (size_t i = 0; i < std::min<size_t>(req.outputs.size() - offset, chunk_size); ++i)
chunk_req.outputs.push_back(req.outputs[offset + i]);
const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex}; const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
uint64_t pre_call_credits = m_rpc_payment_state.credits; uint64_t pre_call_credits = m_rpc_payment_state.credits;
req.client = get_client_signature(); chunk_req.client = get_client_signature();
bool r = epee::net_utils::invoke_http_bin("/get_outs.bin", req, daemon_resp, *m_http_client, rpc_timeout); bool r = epee::net_utils::invoke_http_bin("/get_outs.bin", chunk_req, chunk_daemon_resp, *m_http_client, rpc_timeout);
THROW_ON_RPC_RESPONSE_ERROR(r, {}, daemon_resp, "get_outs.bin", error::get_outs_error, get_rpc_status(daemon_resp.status)); THROW_ON_RPC_RESPONSE_ERROR(r, {}, chunk_daemon_resp, "get_outs.bin", error::get_outs_error, get_rpc_status(chunk_daemon_resp.status));
THROW_WALLET_EXCEPTION_IF(daemon_resp.outs.size() != req.outputs.size(), error::wallet_internal_error, THROW_WALLET_EXCEPTION_IF(chunk_daemon_resp.outs.size() != chunk_req.outputs.size(), error::wallet_internal_error,
"daemon returned wrong response for get_outs.bin, wrong amounts count = " + "daemon returned wrong response for get_outs.bin, wrong amounts count = " +
std::to_string(daemon_resp.outs.size()) + ", expected " + std::to_string(req.outputs.size())); std::to_string(chunk_daemon_resp.outs.size()) + ", expected " + std::to_string(chunk_req.outputs.size()));
check_rpc_cost("/get_outs.bin", daemon_resp.credits, pre_call_credits, daemon_resp.outs.size() * COST_PER_OUT); check_rpc_cost("/get_outs.bin", chunk_daemon_resp.credits, pre_call_credits, chunk_daemon_resp.outs.size() * COST_PER_OUT);
offset += chunk_size;
for (size_t i = 0; i < chunk_daemon_resp.outs.size(); ++i)
daemon_resp.outs.push_back(std::move(chunk_daemon_resp.outs[i]));
} }
std::unordered_map<uint64_t, uint64_t> scanty_outs; std::unordered_map<uint64_t, uint64_t> scanty_outs;