1 files changed, 28 insertions, 0 deletions
diff --git a/core/events.go b/core/events.go
new file mode 100644
index 000000000..23678ef60
--- /dev/null
+++ b/core/events.go
@@ -0,0 +1,28 @@
+package core
+
+import "github.com/ethereum/go-ethereum/core/types"
+
+// TxPreEvent is posted when a transaction enters the transaction pool.
+type TxPreEvent struct{ Tx *types.Transaction }
+
+// TxPostEvent is posted when a transaction has been processed.
+type TxPostEvent struct{ Tx *types.Transaction }
+
+// NewBlockEvent is posted when a block has been imported.
+type NewBlockEvent struct{ Block *types.Block }
+
+// NewMinedBlockEvent is posted when a block has been imported.
+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{}