add todos

diff --git a/federation/synchron/mainchain_keeper.go b/federation/synchron/mainchain_keeper.go
index 82acfc3..4928d98 100644 (file)
--- a/federation/synchron/mainchain_keeper.go
+++ b/federation/synchron/mainchain_keeper.go
@@ -22,6 +22,7 @@ import (
        "github.com/vapor/protocol/bc"
 )
 
+// TODO:
 var fedProg = []byte{}
 
 type mainchainKeeper struct {