diff --git a/packages/unbreakable_consensus/epoch_register.go b/packages/unbreakable_consensus/epoch_register.go
new file mode 100644
index 0000000000000000000000000000000000000000..5a62dd9a7bcea6beaee60e13357530dcc2292e28
--- /dev/null
+++ b/packages/unbreakable_consensus/epoch_register.go
@@ -0,0 +1,8 @@
+package unbreakable_consensus
+
+type EpochRegister struct {
+}
+
+func NewEpochRegister() *EpochRegister {
+	return &EpochRegister{}
+}