#1329, dawn-567, bring back subsequent work done on the dawn 2.x branch, and...

#1329, dawn-567, bring back subsequent work done on the dawn 2.x branch, and add support for packed messages. block summary support to follow.

libraries/chain/chain_controller.cpp

@@ -255,11 +255,10 @@ transaction_trace chain_controller::push_transaction(const packed_transaction& t
 transaction_trace chain_controller::_push_transaction(const packed_transaction& trx) {
    transaction_metadata   mtrx( trx, get_chain_id(), head_block_time());
    check_transaction_authorization(mtrx.trx(), trx.signatures);
-
    auto result = _push_transaction(std::move(mtrx));
 
    // notify anyone listening to pending transactions
-   on_pending_transaction(trx);
+   on_pending_transaction(_pending_transaction_metas.back(), trx);
 
    _pending_block->input_transactions.emplace_back(trx);
 

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

@@ -110,7 +110,7 @@ namespace eosio { namespace chain {
           * This signal is emitted any time a new transaction is added to the pending
           * block state.
           */
-         signal<void(const packed_transaction&)> on_pending_transaction;
+      signal<void(const transaction_metadata&, const packed_transaction&)> on_pending_transaction;
 
 
 

plugins/net_plugin/include/eosio/net_plugin/protocol.hpp

@@ -156,8 +156,8 @@ namespace eosio {
                                       request_message,
                                       sync_request_message,
                                       block_summary_message,
-                                      signed_transaction,
-                                      signed_block>;
+                                      signed_block,
+                                      packed_transaction>;
 
 } // namespace eosio