Add signals to controller_config for setting in constructor. #1403

libraries/chain/chain_controller.cpp

@@ -55,8 +55,12 @@ chain_controller::chain_controller( const chain_controller::controller_config& c
 {
    _initialize_indexes();
 
+   for (auto& f : cfg.applied_block_callbacks)
+      applied_block.connect(f);
    for (auto& f : cfg.applied_irreversible_block_callbacks)
       applied_irreversible_block.connect(f);
+   for (auto& f : cfg.on_pending_transaction_callbacks)
+      on_pending_transaction.connect(f);
 
    contracts::chain_initializer starter(cfg.genesis);
    starter.register_types(*this, _db);

libraries/chain/include/eosio/chain/chain_controller.hpp

@@ -72,12 +72,14 @@ namespace eosio { namespace chain {
             path                           shared_memory_dir   =  config::default_shared_memory_dir;
             uint64_t                       shared_memory_size  =  config::default_shared_memory_size;
             bool                           read_only           =  false;
+            std::vector<signal<void(const block_trace&)>::slot_type> applied_block_callbacks;
             std::vector<signal<void(const signed_block&)>::slot_type> applied_irreversible_block_callbacks;
+            std::vector<signal<void(const packed_transaction&)>::slot_type> on_pending_transaction_callbacks;
             contracts::genesis_state_type  genesis;
             runtime_limits                 limits;
          };
 
-         chain_controller( const controller_config& cfg );
+         explicit chain_controller( const controller_config& cfg );
          ~chain_controller();