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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2017-02-27 17:44:06 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2017-02-27 17:57:18 +0000 |
| commit | 6fd4b827fb3cd976b10c1983fc4c88a340855a3c (patch) | |
| tree | 0399c9de9fd9b61797d3c784a3c45a3f0054ca79 /src/wallet/node_rpc_proxy.cpp | |
| parent | wallet: invalidate node proxy cache when reconnecting (diff) | |
| download | monero-6fd4b827fb3cd976b10c1983fc4c88a340855a3c.tar.xz | |
node_rpc_proxy: allow caching daemon RPC version
Diffstat (limited to 'src/wallet/node_rpc_proxy.cpp')
| -rw-r--r-- | src/wallet/node_rpc_proxy.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/wallet/node_rpc_proxy.cpp b/src/wallet/node_rpc_proxy.cpp index 9c16c7dd2..b5f5ef78e 100644 --- a/src/wallet/node_rpc_proxy.cpp +++ b/src/wallet/node_rpc_proxy.cpp @@ -45,6 +45,7 @@ NodeRPCProxy::NodeRPCProxy(epee::net_utils::http::http_simple_client &http_clien , m_dynamic_per_kb_fee_estimate(0) , m_dynamic_per_kb_fee_estimate_cached_height(0) , m_dynamic_per_kb_fee_estimate_grace_blocks(0) + , m_rpc_version(0) {} void NodeRPCProxy::invalidate() @@ -56,6 +57,29 @@ void NodeRPCProxy::invalidate() m_dynamic_per_kb_fee_estimate = 0; m_dynamic_per_kb_fee_estimate_cached_height = 0; m_dynamic_per_kb_fee_estimate_grace_blocks = 0; + m_rpc_version = 0; +} + +boost::optional<std::string> NodeRPCProxy::get_rpc_version(uint32_t &rpc_version) +{ + const time_t now = time(NULL); + if (m_rpc_version == 0) + { + epee::json_rpc::request<cryptonote::COMMAND_RPC_GET_VERSION::request> req_t = AUTO_VAL_INIT(req_t); + epee::json_rpc::response<cryptonote::COMMAND_RPC_GET_VERSION::response, std::string> resp_t = AUTO_VAL_INIT(resp_t); + req_t.jsonrpc = "2.0"; + req_t.id = epee::serialization::storage_entry(0); + req_t.method = "get_version"; + m_daemon_rpc_mutex.lock(); + bool r = net_utils::invoke_http_json("/json_rpc", req_t, resp_t, m_http_client); + m_daemon_rpc_mutex.unlock(); + CHECK_AND_ASSERT_MES(r, std::string(), "Failed to connect to daemon"); + CHECK_AND_ASSERT_MES(resp_t.result.status != CORE_RPC_STATUS_BUSY, resp_t.result.status, "Failed to connect to daemon"); + CHECK_AND_ASSERT_MES(resp_t.result.status == CORE_RPC_STATUS_OK, resp_t.result.status, "Failed to get daemon RPC version"); + m_rpc_version = resp_t.result.version; + } + rpc_version = m_rpc_version; + return boost::optional<std::string>(); } boost::optional<std::string> NodeRPCProxy::get_height(uint64_t &height) |