Added optimisation and test exchange selection in Makefile

Joel Grunbaum

2022-01-12 353657fa069326a4036f2c9872e420c85f44b4e9

 protocol.hpp

@@ -12,6 +12,7 @@

// Catchup utilities
std::unordered_map<std::string, book::Book> recoverBook();
void catchUp(std::unordered_map<std::string, book::Book>& bs);

// Outgoing messages
json::Message* addOrder(json::AddMessage& order);