From c6a63ceeb4956933588995bcf01dc3095aaeb1fc Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Thu, 19 Mar 2015 09:51:59 -0700
Subject: Always use a 50% chance to choose between tried and new entries
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This change was suggested as Countermeasure 2 in
Eclipse Attacks on Bitcoin’s Peer-to-Peer Network, Ethan Heilman,
Alison Kendler, Aviv Zohar, Sharon Goldberg. ePrint Archive Report
2015/263. March 2015.
---
 src/addrman.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/addrman.h')

diff --git a/src/addrman.h b/src/addrman.h
index f7c6318448..fe06a745b5 100644
--- a/src/addrman.h
+++ b/src/addrman.h
@@ -231,7 +231,7 @@ protected:
 
     //! Select an address to connect to.
     //! nUnkBias determines how much to favor new addresses over tried ones (min=0, max=100)
-    CAddress Select_(int nUnkBias);
+    CAddress Select_();
 
 #ifdef DEBUG_ADDRMAN
     //! Perform consistency check. Returns an error code or zero.
@@ -533,13 +533,13 @@ public:
      * Choose an address to connect to.
      * nUnkBias determines how much "new" entries are favored over "tried" ones (0-100).
      */
-    CAddress Select(int nUnkBias = 50)
+    CAddress Select()
     {
         CAddress addrRet;
         {
             LOCK(cs);
             Check();
-            addrRet = Select_(nUnkBias);
+            addrRet = Select_();
             Check();
         }
         return addrRet;
-- 
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