Update ::wire:: to be closer to Monero variant (#70)

src/rpc/daemon_pub.cpp

@@ -77,7 +77,11 @@ namespace rpc
 
   expect<minimal_chain_pub> minimal_chain_pub::from_json(std::string&& source)
   {
-    return wire::json::from_bytes<minimal_chain_pub>(std::move(source));
+    minimal_chain_pub out{};
+    std::error_code err = wire::json::from_bytes(std::move(source), out);
+    if (err)
+      return err;
+    return {std::move(out)};
   }
 }
 }