1 files changed, 10 insertions, 0 deletions
diff --git a/core/events.go b/core/events.go
index 4cbbc609c..23678ef60 100644
--- a/core/events.go
+++ b/core/events.go
@@ -16,3 +16,13 @@ type NewMinedBlockEvent struct{ Block *types.Block }
 
 // ChainSplit is posted when a new head is detected
 type ChainSplitEvent struct{ Block *types.Block }
+
+type ChainEvent struct{ Block *types.Block }
+
+type ChainSideEvent struct{ Block *types.Block }
+
+type ChainHeadEvent struct{ Block *types.Block }
+
+// Mining operation events
+type StartMining struct{}
+type TopMining struct{}