From af8998824c7c1c762c6b47c32afefb7d1f4f0276 Mon Sep 17 00:00:00 2001
From: Peter Todd <pete@petertodd.org>
Date: Tue, 29 Jan 2013 23:13:17 -0500
Subject: [PATCH] Add DNS seed support for testnet

---
 src/net.cpp | 45 +++++++++++++++++++++++++--------------------
 1 file changed, 25 insertions(+), 20 deletions(-)

diff --git a/src/net.cpp b/src/net.cpp
index a6017b735..3406a28b0 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1145,11 +1145,17 @@ void MapPort()
 // Each pair gives a source name and a seed name.
 // The first name is used as information source for addrman.
 // The second name should resolve to a list of seed addresses.
-static const char *strDNSSeed[][2] = {
+static const char *strMainNetDNSSeed[][2] = {
     {"bitcoin.sipa.be", "seed.bitcoin.sipa.be"},
     {"bluematt.me", "dnsseed.bluematt.me"},
     {"dashjr.org", "dnsseed.bitcoin.dashjr.org"},
     {"xf2.org", "bitseed.xf2.org"},
+    {NULL, NULL}
+};
+
+static const char *strTestNetDNSSeed[][2] = {
+    {"bitcoin.petertodd.org", "testnet-seed.bitcoin.petertodd.org"},
+    {NULL, NULL}
 };
 
 void ThreadDNSAddressSeed(void* parg)
@@ -1175,32 +1181,31 @@ void ThreadDNSAddressSeed(void* parg)
 
 void ThreadDNSAddressSeed2(void* parg)
 {
+    static const char *(*strDNSSeed)[2] = fTestNet ? strTestNetDNSSeed : strMainNetDNSSeed;
+
     printf("ThreadDNSAddressSeed started\n");
     int found = 0;
 
-    if (!fTestNet)
-    {
-        printf("Loading addresses from DNS seeds (could take a while)\n");
+    printf("Loading addresses from DNS seeds (could take a while)\n");
 
-        for (unsigned int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
-            if (HaveNameProxy()) {
-                AddOneShot(strDNSSeed[seed_idx][1]);
-            } else {
-                vector<CNetAddr> vaddr;
-                vector<CAddress> vAdd;
-                if (LookupHost(strDNSSeed[seed_idx][1], vaddr))
+    for (unsigned int seed_idx = 0; strDNSSeed[seed_idx][0] != NULL; seed_idx++) {
+        if (HaveNameProxy()) {
+            AddOneShot(strDNSSeed[seed_idx][1]);
+        } else {
+            vector<CNetAddr> vaddr;
+            vector<CAddress> vAdd;
+            if (LookupHost(strDNSSeed[seed_idx][1], vaddr))
+            {
+                BOOST_FOREACH(CNetAddr& ip, vaddr)
                 {
-                    BOOST_FOREACH(CNetAddr& ip, vaddr)
-                    {
-                        int nOneDay = 24*3600;
-                        CAddress addr = CAddress(CService(ip, GetDefaultPort()));
-                        addr.nTime = GetTime() - 3*nOneDay - GetRand(4*nOneDay); // use a random age between 3 and 7 days old
-                        vAdd.push_back(addr);
-                        found++;
-                    }
+                    int nOneDay = 24*3600;
+                    CAddress addr = CAddress(CService(ip, GetDefaultPort()));
+                    addr.nTime = GetTime() - 3*nOneDay - GetRand(4*nOneDay); // use a random age between 3 and 7 days old
+                    vAdd.push_back(addr);
+                    found++;
                 }
-                addrman.Add(vAdd, CNetAddr(strDNSSeed[seed_idx][0], true));
             }
+            addrman.Add(vAdd, CNetAddr(strDNSSeed[seed_idx][0], true));
         }
     }