1 files changed, 19 insertions, 0 deletions
diff --git a/core/manager.go b/core/manager.go
new file mode 100644
index 000000000..9b5407a9e
--- /dev/null
+++ b/core/manager.go
@@ -0,0 +1,19 @@
+package core
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/event"
+	"github.com/ethereum/go-ethereum/p2p"
+)
+
+type Backend interface {
+	BlockProcessor() *BlockProcessor
+	ChainManager() *ChainManager
+	TxPool() *TxPool
+	PeerCount() int
+	IsListening() bool
+	Peers() []*p2p.Peer
+	BlockDb() common.Database
+	StateDb() common.Database
+	EventMux() *event.TypeMux
+}