Add unit tests for chain syncing (#87)

src/rpc/CMakeLists.txt

@@ -31,4 +31,4 @@ set(monero-lws-rpc_headers admin.h client.h daemon_pub.h daemon_zmq.h fwd.h json
 
 add_library(monero-lws-rpc ${monero-lws-rpc_sources} ${monero-lws-rpc_headers})
 target_include_directories(monero-lws-rpc PRIVATE ${RMQ_INCLUDE_DIR})
-target_link_libraries(monero-lws-rpc monero::libraries monero-lws-wire-json monero-lws-wire-wrapper ${RMQ_LIBRARY})
+target_link_libraries(monero-lws-rpc monero::libraries monero-lws-util monero-lws-wire-json monero-lws-wire-wrapper ${RMQ_LIBRARY})

src/rpc/client.cpp

@@ -513,6 +513,13 @@ namespace rpc
       raise_abort_process();
   }
 
+  void* context::zmq_context() const
+  {
+    if (ctx == nullptr)
+      return nullptr;
+    return ctx->comm.get();
+  }
+
   std::string const& context::daemon_address() const
   {
     if (ctx == nullptr)

src/rpc/client.h

@@ -218,6 +218,9 @@ namespace rpc
 
     // Do not create clone method, only one of these should exist right now.
 
+    // \return zmq context pointer (for testing).
+    void* zmq_context() const;
+
     //! \return The full address of the monerod ZMQ daemon.
     std::string const& daemon_address() const;