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-rw-r--r--chain/transaction.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/chain/transaction.go b/chain/transaction.go
index d393f0384..d2d6a8e14 100644
--- a/chain/transaction.go
+++ b/chain/transaction.go
@@ -117,7 +117,7 @@ func (tx *Transaction) Sender() []byte {
// Validate the returned key.
// Return nil if public key isn't in full format
- if pubkey[0] != 4 {
+ if len(pubkey) != 0 && pubkey[0] != 4 {
return nil
}