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node_rpc_proxy: allow caching daemon RPC version

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moneromooo-monero 2017-02-27 17:44:06 +00:00
parent b5c74e4041
commit 6fd4b827fb
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GPG Key ID: 686F07454D6CEFC3
2 changed files with 26 additions and 0 deletions
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24
src/wallet/node_rpc_proxy.cpp
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@ -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)

2
src/wallet/node_rpc_proxy.h
View File

@ -43,6 +43,7 @@ public:
void invalidate();
boost::optional<std::string> get_rpc_version(uint32_t &version);
boost::optional<std::string> get_height(uint64_t &height);
void set_height(uint64_t h);
boost::optional<std::string> get_earliest_height(uint8_t version, uint64_t &earliest_height);
@ -58,6 +59,7 @@ private:
uint64_t m_dynamic_per_kb_fee_estimate;
uint64_t m_dynamic_per_kb_fee_estimate_cached_height;
uint64_t m_dynamic_per_kb_fee_estimate_grace_blocks;
uint32_t m_rpc_version;
};
}