From 30884beecf4d35fe02c7e01c1847c4481ce8b167 Mon Sep 17 00:00:00 2001
From: alex <alex@alex-VirtualBox.(none)>
Date: Sun, 18 Aug 2013 18:08:47 +0400
Subject: [PATCH] Do not return addresses onder than specified lifespan.

-addrlifespan is 7 days by default.
---
 src/init.cpp |    3 +++
 src/main.cpp |    9 ++++++++-
 src/main.h   |    1 +
 3 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/src/init.cpp b/src/init.cpp
index b888afd..59ce450 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -27,6 +27,7 @@ using namespace boost;
 CWallet* pwalletMain;
 CClientUIInterface uiInterface;
 std::string strWalletFileName;
+unsigned int nNodeLifespan;
 
 //////////////////////////////////////////////////////////////////////////////
 //
@@ -350,6 +351,8 @@ bool AppInit2()
 
     // ********************************************************* Step 2: parameter interactions
 
+    nNodeLifespan = GetArg("-addrlifespan", 7);
+
     fTestNet = GetBoolArg("-testnet");
     if (fTestNet) {
         SoftSetBoolArg("-irc", true);
diff --git a/src/main.cpp b/src/main.cpp
index daa7f7d..18c0b17 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2147,6 +2147,8 @@ bool CBlock::CheckBlock(bool fCheckPOW, bool fCheckMerkleRoot, bool fCheckSig) c
 
     if (IsProofOfStake())
     {
+        assert(nNonce == 0);
+
         // Coinbase output should be empty if proof-of-stake block
         if (vtx[0].vout.size() != 1 || !vtx[0].vout[0].IsEmpty())
             return DoS(100, error("CheckBlock() : coinbase output not empty for proof-of-stake block"));
@@ -2168,6 +2170,8 @@ bool CBlock::CheckBlock(bool fCheckPOW, bool fCheckMerkleRoot, bool fCheckSig) c
     }
     else
     {
+        assert(nNonce != 0);
+
         // Coinbase fee paid until 20 Sep 2013
         int64 nFee = GetBlockTime() < CHAINCHECKS_SWITCH_TIME ? vtx[0].GetMinFee() - MIN_TX_FEE : 0;
 
@@ -3590,10 +3594,13 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
 
     else if (strCommand == "getaddr")
     {
+        // Don't return addresses older than nCutOff timestamp
+        int64 nCutOff = GetTime() - (nNodeLifespan * 24 * 60 * 60);
         pfrom->vAddrToSend.clear();
         vector<CAddress> vAddr = addrman.GetAddr();
         BOOST_FOREACH(const CAddress &addr, vAddr)
-            pfrom->PushAddress(addr);
+            if(addr.nTime > nCutOff)
+                pfrom->PushAddress(addr);
     }
 
 
diff --git a/src/main.h b/src/main.h
index 7a2b9dc..34913bf 100644
--- a/src/main.h
+++ b/src/main.h
@@ -69,6 +69,7 @@ extern std::map<uint256, CBlockIndex*> mapBlockIndex;
 extern std::set<std::pair<COutPoint, unsigned int> > setStakeSeen;
 extern CBlockIndex* pindexGenesisBlock;
 extern unsigned int nStakeMinAge;
+extern unsigned int nNodeLifespan;
 extern int nCoinbaseMaturity;
 extern int nBestHeight;
 extern uint256 nBestChainTrust;
-- 
1.7.1