Add UpdatedBlockTip signal to CMainSignals and CValidationInterface

1 files changed, 3 insertions, 0 deletions

diff --git a/src/validationinterface.h b/src/validationinterface.h
index fb0ce0bdaa..6f95ad74eb 100644
--- a/src/validationinterface.h
+++ b/src/validationinterface.h
@@ -30,6 +30,7 @@ void SyncWithWallets(const CTransaction& tx, const CBlock* pblock = NULL);
 
 class CValidationInterface {
 protected:
+    virtual void UpdatedBlockTip(const uint256 &newHashTip) {}
     virtual void SyncTransaction(const CTransaction &tx, const CBlock *pblock) {}
     virtual void SetBestChain(const CBlockLocator &locator) {}
     virtual void UpdatedTransaction(const uint256 &hash) {}
@@ -44,6 +45,8 @@ protected:
 };
 
 struct CMainSignals {
+    /** Notifies listeners of updated block chain tip */
+    boost::signals2::signal<void (const uint256 &)> UpdatedBlockTip;
     /** Notifies listeners of updated transaction data (transaction, and optionally the block it is found in. */
     boost::signals2::signal<void (const CTransaction &, const CBlock *)> SyncTransaction;
     /** Notifies listeners of an updated transaction without new data (for now: a coinbase potentially becoming visible). */