bugfixes from Dean Gores,

addr system changes,
make sure no gen before block 74000

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@173 1a98c847-1fd6-4fd8-948a-caf3550aa51b

8 files changed, 109 insertions, 63 deletions

diff --git a/db.cpp b/db.cpp
index 9657cbf98b..84b294c38d 100644
--- a/db.cpp
+++ b/db.cpp
@@ -503,6 +503,11 @@ bool CAddrDB::WriteAddress(const CAddress& addr)
     return Write(make_pair(string("addr"), addr.GetKey()), addr);
 }
 
+bool CAddrDB::EraseAddress(const CAddress& addr)
+{
+    return Erase(make_pair(string("addr"), addr.GetKey()));
+}
+
 bool CAddrDB::LoadAddresses()
 {
     CRITICAL_BLOCK(cs_mapAddresses)
@@ -554,11 +559,6 @@ bool CAddrDB::LoadAddresses()
         pcursor->close();
 
         printf("Loaded %d addresses\n", mapAddresses.size());
-
-        // Fix for possible bug that manifests in mapAddresses.count in irc.cpp,
-        // just need to call count here and it doesn't happen there.  The bug was the
-        // pack pragma in irc.cpp and has been fixed, but I'm not in a hurry to delete this.
-        mapAddresses.count(vector<unsigned char>(18));
     }
 
     return true;
diff --git a/db.h b/db.h
index 3452dd89f4..a0054aa138 100644
--- a/db.h
+++ b/db.h
@@ -298,6 +298,7 @@ private:
     void operator=(const CAddrDB&);
 public:
     bool WriteAddress(const CAddress& addr);
+    bool EraseAddress(const CAddress& addr);
     bool LoadAddresses();
 };
 
diff --git a/irc.cpp b/irc.cpp
index 4c839c421e..e246fcd10c 100644
--- a/irc.cpp
+++ b/irc.cpp
@@ -84,18 +84,31 @@ bool RecvLine(SOCKET hSocket, string& strLine)
         }
         else if (nBytes <= 0)
         {
+            if (fShutdown)
+                return false;
+            if (nBytes < 0)
+            {
+                int nErr = WSAGetLastError();
+                if (nErr == WSAEMSGSIZE)
+                    continue;
+                if (nErr == WSAEWOULDBLOCK || nErr == WSAEINTR || nErr == WSAEINPROGRESS)
+                {
+                    Sleep(10);
+                    continue;
+                }
+            }
             if (!strLine.empty())
                 return true;
-            // socket closed
-            printf("IRC socket closed\n");
-            return false;
-        }
-        else
-        {
-            // socket error
-            int nErr = WSAGetLastError();
-            if (nErr != WSAEMSGSIZE && nErr != WSAEINTR && nErr != WSAEINPROGRESS)
+            if (nBytes == 0)
+            {
+                // socket closed
+                printf("IRC socket closed\n");
+                return false;
+            }
+            else
             {
+                // socket error
+                int nErr = WSAGetLastError();
                 printf("IRC recv failed: %d\n", nErr);
                 return false;
             }
@@ -293,8 +306,8 @@ void ThreadIRCSeed2(void* parg)
                 CAddress addr;
                 if (DecodeAddress(pszName, addr))
                 {
-                    addr.nTime = GetAdjustedTime() - 51 * 60;
-                    if (AddAddress(addr))
+                    addr.nTime = GetAdjustedTime();
+                    if (AddAddress(addr, 51 * 60))
                         printf("IRC got new address\n");
                     nGotIRCAddresses++;
                 }
diff --git a/main.cpp b/main.cpp
index 764ddaac02..e18cdc4f18 100644
--- a/main.cpp
+++ b/main.cpp
@@ -929,7 +929,7 @@ bool CheckProofOfWork(uint256 hash, unsigned int nBits)
 
 bool IsInitialBlockDownload()
 {
-    if (pindexBest == NULL)
+    if (pindexBest == NULL || nBestHeight < 74000)
         return true;
     static int64 nLastUpdate;
     static CBlockIndex* pindexLastBest;
@@ -2172,6 +2172,24 @@ bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         if (pfrom->nVersion < 209)
             pfrom->vRecv.SetVersion(min(pfrom->nVersion, VERSION));
 
+        if (!pfrom->fInbound)
+        {
+            // Advertise our address
+            if (addrLocalHost.IsRoutable() && !fUseProxy)
+            {
+                CAddress addr(addrLocalHost);
+                addr.nTime = GetAdjustedTime();
+                pfrom->PushAddress(addr);
+            }
+
+            // Get recent addresses
+            if (pfrom->nVersion >= 31402 || mapAddresses.size() < 1000)
+            {
+                pfrom->PushMessage("getaddr");
+                pfrom->fGetAddr = true;
+            }
+        }
+
         // Ask the first connected node for block updates
         static int nAskedForBlocks;
         if (!pfrom->fClient && (nAskedForBlocks < 1 || vNodes.size() <= 1))
@@ -2208,14 +2226,18 @@ bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
     {
         vector<CAddress> vAddr;
         vRecv >> vAddr;
-        if (pfrom->nVersion < 200) // don't want addresses from 0.1.5
+
+        // Don't want addr from older versions unless seeding
+        if (pfrom->nVersion < 209)
             return true;
-        if (pfrom->nVersion < 209 && mapAddresses.size() > 1000) // don't want addr from 0.2.0 unless seeding
+        if (pfrom->nVersion < 31402 && mapAddresses.size() > 1000)
             return true;
         if (vAddr.size() > 1000)
             return error("message addr size() = %d", vAddr.size());
 
         // Store the new addresses
+        int64 nNow = GetAdjustedTime();
+        int64 nSince = nNow - 10 * 60;
         foreach(CAddress& addr, vAddr)
         {
             if (fShutdown)
@@ -2223,12 +2245,11 @@ bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
             // ignore IPv6 for now, since it isn't implemented anyway
             if (!addr.IsIPv4())
                 continue;
-            addr.nTime = GetAdjustedTime() - 2 * 60 * 60;
-            if (pfrom->fGetAddr || vAddr.size() > 10)
-                addr.nTime -= 5 * 24 * 60 * 60;
-            AddAddress(addr);
+            if (addr.nTime <= 100000000 || addr.nTime > nNow + 10 * 60)
+                addr.nTime = nNow - 5 * 24 * 60 * 60;
+            AddAddress(addr, 2 * 60 * 60);
             pfrom->AddAddressKnown(addr);
-            if (!pfrom->fGetAddr && vAddr.size() <= 10 && addr.IsRoutable())
+            if (addr.nTime > nSince && !pfrom->fGetAddr && vAddr.size() <= 10 && addr.IsRoutable())
             {
                 // Relay to a limited number of other nodes
                 CRITICAL_BLOCK(cs_vNodes)
@@ -2243,6 +2264,8 @@ bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
                     multimap<uint256, CNode*> mapMix;
                     foreach(CNode* pnode, vNodes)
                     {
+                        if (pnode->nVersion < 31402)
+                            continue;
                         unsigned int nPointer;
                         memcpy(&nPointer, &pnode, sizeof(nPointer));
                         uint256 hashKey = hashRand ^ nPointer;
@@ -2610,9 +2633,12 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
         if (pto->nLastSend && GetTime() - pto->nLastSend > 30 * 60 && pto->vSend.empty())
             pto->PushMessage("ping");
 
+        // Resend wallet transactions that haven't gotten in a block yet
+        ResendWalletTransactions();
+
         // Address refresh broadcast
         static int64 nLastRebroadcast;
-        if (GetTime() - nLastRebroadcast > 24 * 60 * 60) // every 24 hours
+        if (GetTime() - nLastRebroadcast > 24 * 60 * 60)
         {
             nLastRebroadcast = GetTime();
             CRITICAL_BLOCK(cs_vNodes)
@@ -2624,13 +2650,42 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
 
                     // Rebroadcast our address
                     if (addrLocalHost.IsRoutable() && !fUseProxy)
-                        pnode->PushAddress(addrLocalHost);
+                    {
+                        CAddress addr(addrLocalHost);
+                        addr.nTime = GetAdjustedTime();
+                        pnode->PushAddress(addr);
+                    }
                 }
             }
         }
 
-        // Resend wallet transactions that haven't gotten in a block yet
-        ResendWalletTransactions();
+        // Clear out old addresses periodically so it's not too much work at once
+        static int64 nLastClear;
+        if (nLastClear == 0)
+            nLastClear = GetTime();
+        if (GetTime() - nLastClear > 10 * 60 && vNodes.size() >= 3)
+        {
+            nLastClear = GetTime();
+            CRITICAL_BLOCK(cs_mapAddresses)
+            {
+                CAddrDB addrdb;
+                int64 nSince = GetAdjustedTime() - 14 * 24 * 60 * 60;
+                for (map<vector<unsigned char>, CAddress>::iterator mi = mapAddresses.begin();
+                     mi != mapAddresses.end();)
+                {
+                    const CAddress& addr = (*mi).second;
+                    if (addr.nTime < nSince)
+                    {
+                        if (mapAddresses.size() < 1000 || GetTime() > nLastClear + 20)
+                            break;
+                        addrdb.EraseAddress(addr);
+                        mapAddresses.erase(mi++);
+                    }
+                    else
+                        mi++;
+                }
+            }
+        }
 
 
         //
diff --git a/net.cpp b/net.cpp
index 06a12d4fbe..3890a7afcf 100644
--- a/net.cpp
+++ b/net.cpp
@@ -144,7 +144,7 @@ bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const cha
                 }
             }
             closesocket(hSocket);
-            if (strLine.find("<"))
+            if (strLine.find("<") != -1)
                 strLine = strLine.substr(0, strLine.find("<"));
             strLine = strLine.substr(strspn(strLine.c_str(), " \t\n\r"));
             while (strLine.size() > 0 && isspace(strLine[strLine.size()-1]))
@@ -224,12 +224,13 @@ bool GetMyExternalIP(unsigned int& ipRet)
 
 
 
-bool AddAddress(CAddress addr)
+bool AddAddress(CAddress addr, int64 nTimePenalty)
 {
     if (!addr.IsRoutable())
         return false;
     if (addr.ip == addrLocalHost.ip)
         return false;
+    addr.nTime = max((int64)0, (int64)addr.nTime - nTimePenalty);
     CRITICAL_BLOCK(cs_mapAddresses)
     {
         map<vector<unsigned char>, CAddress>::iterator it = mapAddresses.find(addr.GetKey());
@@ -1073,25 +1074,6 @@ bool OpenNetworkConnection(const CAddress& addrConnect)
         return false;
     pnode->fNetworkNode = true;
 
-    if (addrLocalHost.IsRoutable() && !fUseProxy)
-    {
-        // Advertise our address
-        vector<CAddress> vAddr;
-        vAddr.push_back(addrLocalHost);
-        pnode->PushMessage("addr", vAddr);
-    }
-
-    // Get as many addresses as we can
-    pnode->PushMessage("getaddr");
-    pnode->fGetAddr = true; // don't relay the results of the getaddr
-
-    ////// should the one on the receiving end do this too?
-    // Subscribe our local subscription list
-    const unsigned int nHops = 0;
-    for (unsigned int nChannel = 0; nChannel < pnodeLocalHost->vfSubscribe.size(); nChannel++)
-        if (pnodeLocalHost->vfSubscribe[nChannel])
-            pnode->PushMessage("subscribe", nChannel, nHops);
-
     return true;
 }
 
diff --git a/net.h b/net.h
index 33c59147bb..f07081619a 100644
--- a/net.h
+++ b/net.h
@@ -24,7 +24,7 @@ enum
 
 bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet);
 bool GetMyExternalIP(unsigned int& ipRet);
-bool AddAddress(CAddress addr);
+bool AddAddress(CAddress addr, int64 nTimePenalty=0);
 void AddressCurrentlyConnected(const CAddress& addr);
 CNode* FindNode(unsigned int ip);
 CNode* ConnectNode(CAddress addrConnect, int64 nTimeout=0);
@@ -139,7 +139,7 @@ public:
     unsigned int ip;
     unsigned short port;
 
-    // disk only
+    // disk and network only
     unsigned int nTime;
 
     // memory only
@@ -186,7 +186,7 @@ public:
         memcpy(pchReserved, pchIPv4, sizeof(pchReserved));
         ip = INADDR_NONE;
         port = GetDefaultPort();
-        nTime = GetAdjustedTime();
+        nTime = 100000000;
         nLastTry = 0;
     }
 
@@ -218,11 +218,12 @@ public:
 
     IMPLEMENT_SERIALIZE
     (
+        if (fRead)
+            const_cast<CAddress*>(this)->Init();
         if (nType & SER_DISK)
-        {
             READWRITE(nVersion);
+        if ((nType & SER_DISK) || (nVersion >= 31402 && !(nType & SER_GETHASH)))
             READWRITE(nTime);
-        }
         READWRITE(nServices);
         READWRITE(FLATDATA(pchReserved)); // for IPv6
         READWRITE(ip);
@@ -415,7 +416,7 @@ public:
     const char* GetCommand() const
     {
         if (!IsKnownType())
-            throw std::out_of_range(strprintf("CInv::GetCommand() : type=% unknown type", type));
+            throw std::out_of_range(strprintf("CInv::GetCommand() : type=%d unknown type", type));
         return ppszTypeName[type];
     }
 
@@ -732,13 +733,6 @@ public:
             AbortMessage();
     }
 
-    const char* GetMessageCommand() const
-    {
-        if (nHeaderStart == -1)
-            return "";
-        return &vSend[nHeaderStart] + offsetof(CMessageHeader, pchCommand);
-    }
-
 
 
 
diff --git a/rpc.cpp b/rpc.cpp
index ac413cf110..1df2238c92 100644
--- a/rpc.cpp
+++ b/rpc.cpp
@@ -656,6 +656,7 @@ Value backupwallet(const Array& params, bool fHelp)
     return Value::null;
 }
 
+
 Value validateaddress(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() != 1)
diff --git a/serialize.h b/serialize.h
index 6b3b3b579d..af45d898e5 100644
--- a/serialize.h
+++ b/serialize.h
@@ -22,7 +22,7 @@ class CDataStream;
 class CAutoFile;
 static const unsigned int MAX_SIZE = 0x02000000;
 
-static const int VERSION = 31401;
+static const int VERSION = 31402;
 static const char* pszSubVer = "";