From 4ca43961f499d3bc7cbd48b7eeeef71b12670fdc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BE=9A=E5=B0=9A?= <gongshang1990@163.com>
Date: Sat, 7 Apr 2018 14:46:40 +0800
Subject: [PATCH 1/2] Update error log for wrong node id.

When custom NodeBits was set, the node number may bigger than 1023.
---
 snowflake.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/snowflake.go b/snowflake.go
index 4cc5c16..173691a 100644
--- a/snowflake.go
+++ b/snowflake.go
@@ -89,16 +89,16 @@ type ID int64
 // IDs
 func NewNode(node int64) (*Node, error) {
 
-	if node < 0 || node > nodeMax {
-		return nil, errors.New("Node number must be between 0 and 1023")
-	}
-
 	// re-calc in case custom NodeBits or StepBits were set
 	nodeMax = -1 ^ (-1 << NodeBits)
 	nodeMask = nodeMax << StepBits
 	stepMask = -1 ^ (-1 << StepBits)
 	timeShift = NodeBits + StepBits
 	nodeShift = StepBits
+	
+	if node < 0 || node > nodeMax {
+		return nil, errors.New("Node number must be between 0 and " + strconv.Itoa(nodeMax))
+	}
 
 	return &Node{
 		time: 0,

From c64f7c8e01ebb7f7e73e4ec85e2d6bc7d67e2bd6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BE=9A=E5=B0=9A?= <gongshang1990@163.com>
Date: Sat, 7 Apr 2018 14:51:49 +0800
Subject: [PATCH 2/2] Int64 to string.

---
 snowflake.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snowflake.go b/snowflake.go
index 173691a..f112a05 100644
--- a/snowflake.go
+++ b/snowflake.go
@@ -97,7 +97,7 @@ func NewNode(node int64) (*Node, error) {
 	nodeShift = StepBits
 	
 	if node < 0 || node > nodeMax {
-		return nil, errors.New("Node number must be between 0 and " + strconv.Itoa(nodeMax))
+		return nil, errors.New("Node number must be between 0 and " + strconv.FormatInt(nodeMax, 10))
 	}
 
 	return &Node{