From 6d6b66e33bae84526b21a4723794c1048ea0b695 Mon Sep 17 00:00:00 2001
From: daleboy <785909868@qq.com>
Date: Thu, 15 Oct 2020 22:25:29 +0800
Subject: [PATCH] Update blockchain.go
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Edit the function NewBlockchain:
1.delete the parameter of the function，the parameter is not used.
2.fix the description of the function,the description is not right.
---
 blockchain.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/blockchain.go b/blockchain.go
index b9cfb42..d733bb5 100644
--- a/blockchain.go
+++ b/blockchain.go
@@ -183,8 +183,8 @@ func dbExists() bool {
 	return true
 }
 
-// NewBlockchain creates a new Blockchain with genesis Block
-func NewBlockchain(address string) *Blockchain {
+// NewBlockchain creates an Blockchain instance
+func NewBlockchain() *Blockchain {
 	if dbExists() == false {
 		fmt.Println("No existing blockchain found. Create one first.")
 		os.Exit(1)
@@ -198,7 +198,7 @@ func NewBlockchain(address string) *Blockchain {
 
 	err = db.Update(func(tx *bolt.Tx) error {
 		b := tx.Bucket([]byte(blocksBucket))
-		tip = b.Get([]byte("l"))
+		tip = b.Get([]byte("l"))//get the last block's hash
 
 		return nil
 	})