Port the BlockFound signal and parts of ScriptForMining from ZEC upstream

src/miner.cpp

@@ -983,6 +983,9 @@ static bool ProcessBlockFound(CBlock* pblock)
         }
     }
 
+    // Inform about the new block
+    GetMainSignals().BlockFound(pblock->GetHash());
+
 #ifdef ENABLE_WALLET
     // Remove key from key pool
     if ( IS_KOMODO_NOTARY == 0 )

src/validationinterface.cpp

@@ -33,13 +33,13 @@ void RegisterValidationInterface(CValidationInterface* pwalletIn) {
     g_signals.Inventory.connect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1));
     g_signals.Broadcast.connect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn, _1));
     g_signals.BlockChecked.connect(boost::bind(&CValidationInterface::BlockChecked, pwalletIn, _1, _2));
-    g_signals.ScriptForMining.connect(boost::bind(&CValidationInterface::GetScriptForMining, pwalletIn, _1));
+    //g_signals.ScriptForMining.connect(boost::bind(&CValidationInterface::GetScriptForMining, pwalletIn, _1));
     g_signals.BlockFound.connect(boost::bind(&CValidationInterface::ResetRequestCount, pwalletIn, _1));
 }
 
 void UnregisterValidationInterface(CValidationInterface* pwalletIn) {
     g_signals.BlockFound.disconnect(boost::bind(&CValidationInterface::ResetRequestCount, pwalletIn, _1));
-    g_signals.ScriptForMining.disconnect(boost::bind(&CValidationInterface::GetScriptForMining, pwalletIn, _1));
+    //g_signals.ScriptForMining.disconnect(boost::bind(&CValidationInterface::GetScriptForMining, pwalletIn, _1));
     g_signals.BlockChecked.disconnect(boost::bind(&CValidationInterface::BlockChecked, pwalletIn, _1, _2));
     g_signals.Broadcast.disconnect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn, _1));
     g_signals.Inventory.disconnect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1));
@@ -53,7 +53,7 @@ void UnregisterValidationInterface(CValidationInterface* pwalletIn) {
 
 void UnregisterAllValidationInterfaces() {
     g_signals.BlockFound.disconnect_all_slots();
-    g_signals.ScriptForMining.disconnect_all_slots();
+    //g_signals.ScriptForMining.disconnect_all_slots();
     g_signals.BlockChecked.disconnect_all_slots();
     g_signals.Broadcast.disconnect_all_slots();
     g_signals.Inventory.disconnect_all_slots();

src/validationinterface.h

@@ -69,6 +69,10 @@ struct CMainSignals {
     boost::signals2::signal<void (int64_t nBestBlockTime)> Broadcast;
     /** Notifies listeners of a block validation result */
     boost::signals2::signal<void (const CBlock&, const CValidationState&)> BlockChecked;
+    // boost::signals2::signal<void (boost::shared_ptr<CReserveScript>&)> ScriptForMining;
+    /** Notifies listeners that a block has been successfully mined */
+    boost::signals2::signal<void (const uint256 &)> BlockFound;
+
 };
 
 CMainSignals& GetMainSignals();