From 99481a245adc2c4814ab6b38d94d63114f7bbb15 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Tue, 2 Dec 2014 11:37:33 +0100
Subject: Check for known block err and ignore

---
 chain/error.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'chain/error.go')

diff --git a/chain/error.go b/chain/error.go
index 540eda95a..7dce2b608 100644
--- a/chain/error.go
+++ b/chain/error.go
@@ -126,3 +126,16 @@ func IsTDError(e error) bool {
 	_, ok := e.(*TDError)
 	return ok
 }
+
+type KnownBlockError struct {
+	number uint64
+	hash   []byte
+}
+
+func (self *KnownBlockError) Error() string {
+	return fmt.Sprintf("block %d already known (%x)", self.number, self.hash[0:4])
+}
+func IsKnownBlockErr(e error) bool {
+	_, ok := e.(*KnownBlockError)
+	return ok
+}
-- 
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