From 38a690bfc20a25230d66713f40f3f0587ade785f Mon Sep 17 00:00:00 2001
From: Minh Doan <minh@simple-rules.com>
Date: Sun, 25 Nov 2018 11:16:29 -0800
Subject: [PATCH] add func for download and testing

---
 node/node.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/node/node.go b/node/node.go
index fee218829..e26450151 100644
--- a/node/node.go
+++ b/node/node.go
@@ -80,6 +80,16 @@ type Node struct {
 	testBankKey *ecdsa.PrivateKey
 }
 
+// GetBlockHashes used for state download.
+func (node *Node) GetBlockHashes() [][32]byte {
+	return node.blockchain.GetBlockHashes()
+}
+
+// SetBlockchain is used for testing
+func (node *Node) SetBlockchain(bc *blockchain.Blockchain) {
+	node.blockchain = bc
+}
+
 // Add new crossTx and proofs to the list of crossTx that needs to be sent back to client
 func (node *Node) addCrossTxsToReturn(crossTxs []*blockchain.CrossShardTxAndProof) {
 	node.crossTxToReturnMutex.Lock()