X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fmain.cpp;h=3ab03f2686f2215a1c6f97474eac0a8d38bc9abb;hb=75744e6526193604bfbcc6be3a3793315556f12c;hp=c8769af41de0ba9d157671a26d79c5f6c941b98a;hpb=3833b4e69b7fb9cca574cbead4a765fff0663f16;p=novacoin.git

diff --git a/src/main.cpp b/src/main.cpp
index c8769af..3ab03f2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -510,10 +510,6 @@ bool CTransaction::CheckTransaction() const
         return DoS(10, error("CTransaction::CheckTransaction() : vin empty"));
     if (vout.empty())
         return DoS(10, error("CTransaction::CheckTransaction() : vout empty"));
-    // Time (prevent mempool memory exhaustion attack)
-    // Comes into force since 20 December 2015.
-    if (nTime > 1450569600 && nTime > FutureDrift(GetAdjustedTime()))
-        return DoS(10, error("CTransaction::CheckTransaction() : timestamp is too far into the future"));
     // Size limits
     if (::GetSerializeSize(*this, SER_NETWORK, PROTOCOL_VERSION) > MAX_BLOCK_SIZE)
         return DoS(100, error("CTransaction::CheckTransaction() : size limits failed"));
@@ -622,6 +618,10 @@ bool CTxMemPool::accept(CTxDB& txdb, CTransaction &tx, bool fCheckInputs,
     if (pfMissingInputs)
         *pfMissingInputs = false;
 
+    // Time (prevent mempool memory exhaustion attack)
+    if (tx.nTime > FutureDrift(GetAdjustedTime()))
+        return tx.DoS(10, error("CTxMemPool::accept() : transaction timestamp is too far in the future"));
+
     if (!tx.CheckTransaction())
         return error("CTxMemPool::accept() : CheckTransaction failed");
 
@@ -1762,7 +1762,8 @@ bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex, bool fJustCheck)
 
             if (tx.nTime >= CHECKLOCKTIMEVERIFY_SWITCH_TIME) {
                 nFlags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY;
-                nFlags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY;
+                // OP_CHECKSEQUENCEVERIFY is senseless without BIP68, so we're going disable it for now.
+                // nFlags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY;
             }
 
             std::vector<CScriptCheck> vChecks;
@@ -2346,9 +2347,9 @@ bool CBlock::AcceptBlock()
         return DoS(100, error("AcceptBlock() : incorrect %s", IsProofOfWork() ? "proof-of-work" : "proof-of-stake"));
 
     int64_t nMedianTimePast = pindexPrev->GetMedianTimePast();
-    int nMaxOffset = 12 * 3600; // 12 hours
-    if (pindexPrev->nTime < 1450569600)
-        nMaxOffset = 7 * 86400; // One week until 20 Dec, 2015
+    int nMaxOffset = 12 * nOneHour; // 12 hours
+    if (fTestNet || pindexPrev->nTime < 1450569600)
+        nMaxOffset = 7 * nOneWeek; // One week (permanently on testNet or until 20 Dec, 2015 on mainNet)
 
     // Check timestamp against prev
     if (GetBlockTime() <= nMedianTimePast || FutureDrift(GetBlockTime()) < pindexPrev->GetBlockTime())
@@ -3720,23 +3721,20 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
 
     else if (strCommand == "ping")
     {
-        if (pfrom->nVersion > BIP0031_VERSION)
-        {
-            uint64_t nonce = 0;
-            vRecv >> nonce;
-            // Echo the message back with the nonce. This allows for two useful features:
-            //
-            // 1) A remote node can quickly check if the connection is operational
-            // 2) Remote nodes can measure the latency of the network thread. If this node
-            //    is overloaded it won't respond to pings quickly and the remote node can
-            //    avoid sending us more work, like chain download requests.
-            //
-            // The nonce stops the remote getting confused between different pings: without
-            // it, if the remote node sends a ping once per second and this node takes 5
-            // seconds to respond to each, the 5th ping the remote sends would appear to
-            // return very quickly.
-            pfrom->PushMessage("pong", nonce);
-        }
+        uint64_t nonce = 0;
+        vRecv >> nonce;
+        // Echo the message back with the nonce. This allows for two useful features:
+        //
+        // 1) A remote node can quickly check if the connection is operational
+        // 2) Remote nodes can measure the latency of the network thread. If this node
+        //    is overloaded it won't respond to pings quickly and the remote node can
+        //    avoid sending us more work, like chain download requests.
+        //
+        // The nonce stops the remote getting confused between different pings: without
+        // it, if the remote node sends a ping once per second and this node takes 5
+        // seconds to respond to each, the 5th ping the remote sends would appear to
+        // return very quickly.
+        pfrom->PushMessage("pong", nonce);
     }
 
 
@@ -3920,10 +3918,7 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
         // right now.
         if (pto->nLastSend && GetTime() - pto->nLastSend > nPingInterval && pto->vSend.empty()) {
             uint64_t nonce = 0;
-            if (pto->nVersion > BIP0031_VERSION)
-                pto->PushMessage("ping", nonce);
-            else
-                pto->PushMessage("ping");
+            pto->PushMessage("ping", nonce);
         }
 
         // Start block sync