Merge pull request #6059

739d615 chainparams: use SeedSpec6's rather than CAddress's for fixed seeds (Cory Fields)

1 files changed, 22 insertions, 1 deletions

diff --git a/src/net.cpp b/src/net.cpp
index 45a06a105f..731c810935 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -142,6 +142,27 @@ bool GetLocal(CService& addr, const CNetAddr *paddrPeer)
     return nBestScore >= 0;
 }
 
+//! Convert the pnSeeds6 array into usable address objects.
+static std::vector<CAddress> convertSeed6(const std::vector<SeedSpec6> &vSeedsIn)
+{
+    // It'll only connect to one or two seed nodes because once it connects,
+    // it'll get a pile of addresses with newer timestamps.
+    // Seed nodes are given a random 'last seen time' of between one and two
+    // weeks ago.
+    const int64_t nOneWeek = 7*24*60*60;
+    std::vector<CAddress> vSeedsOut;
+    vSeedsOut.reserve(vSeedsIn.size());
+    for (std::vector<SeedSpec6>::const_iterator i(vSeedsIn.begin()); i != vSeedsIn.end(); ++i)
+    {
+        struct in6_addr ip;
+        memcpy(&ip, i->addr, sizeof(ip));
+        CAddress addr(CService(ip, i->port));
+        addr.nTime = GetTime() - GetRand(nOneWeek) - nOneWeek;
+        vSeedsOut.push_back(addr);
+    }
+    return vSeedsOut;
+}
+
 // get best local address for a particular peer as a CAddress
 // Otherwise, return the unroutable 0.0.0.0 but filled in with
 // the normal parameters, since the IP may be changed to a useful
@@ -1195,7 +1216,7 @@ void ThreadOpenConnections()
             static bool done = false;
             if (!done) {
                 LogPrintf("Adding fixed seed nodes as DNS doesn't seem to be available.\n");
-                addrman.Add(Params().FixedSeeds(), CNetAddr("127.0.0.1"));
+                addrman.Add(convertSeed6(Params().FixedSeeds()), CNetAddr("127.0.0.1"));
                 done = true;
             }
         }