From 626662fb5fe042ad574fb817f0f1cce357fc6446 Mon Sep 17 00:00:00 2001
From: Dave Collins <davec@conformal.com>
Date: Fri, 3 Jan 2014 08:32:43 -0600
Subject: [PATCH] Add Stringer to BitcoinNet.

---
 protocol.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/protocol.go b/protocol.go
index ebf166fb..fb10997d 100644
--- a/protocol.go
+++ b/protocol.go
@@ -5,6 +5,7 @@
 package btcwire
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 )
@@ -101,3 +102,20 @@ const (
 	// TestNet3 represents the test network (version 3).
 	TestNet3 BitcoinNet = 0x0709110b
 )
+
+// bnStrings is a map of bitcoin networks back to their constant names for
+// pretty printing.
+var bnStrings = map[BitcoinNet]string{
+	MainNet:  "MainNet",
+	TestNet:  "TestNet",
+	TestNet3: "TestNet3",
+}
+
+// String returns the BitcoinNet in human-readable form.
+func (n BitcoinNet) String() string {
+	if s, ok := bnStrings[n]; ok {
+		return s
+	}
+
+	return fmt.Sprintf("Unknown BitcoinNet (%d)", uint32(n))
+}