Blackcoin Lore

src/primitives/transaction.h

@@ -155,6 +155,23 @@ public:
         return (nValue == -1);
     }
 
+    void SetEmpty()
+    {
+        nValue = 0;
+        scriptPubKey.clear();
+    }
+
+    bool IsEmpty() const
+    {
+        return (nValue == 0 && scriptPubKey.empty());
+    }
+
+    bool IsUnspendable() const
+    {
+        return IsEmpty() ||
+                 (scriptPubKey.size() > 0 && *scriptPubKey.begin() == OP_RETURN);
+    }
+
     uint256 GetHash() const;
 
     CAmount GetDustThreshold(const CFeeRate &minRelayTxFee) const
@@ -167,9 +184,8 @@ public:
         // need a CTxIn of at least 148 bytes to spend:
         // so dust is a spendable txout less than
         // 546*minRelayTxFee/1000 (in satoshis)
-        if (scriptPubKey.IsUnspendable())
-            return 0;
-
+    	if (scriptPubKey.IsUnspendable())
+    	            return 0;
         size_t nSize = GetSerializeSize(SER_DISK,0)+148u;
         return 3*minRelayTxFee.GetFee(nSize);
     }
@@ -221,6 +237,7 @@ public:
     // and bypass the constness. This is safe, as they update the entire
     // structure, including the hash.
     const int32_t nVersion;
+    unsigned int nTime;
     const std::vector<CTxIn> vin;
     const std::vector<CTxOut> vout;
     const uint32_t nLockTime;
@@ -239,6 +256,7 @@ public:
     inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
         READWRITE(*const_cast<int32_t*>(&this->nVersion));
         nVersion = this->nVersion;
+        READWRITE(*const_cast<uint32_t*>(&nTime));
         READWRITE(*const_cast<std::vector<CTxIn>*>(&vin));
         READWRITE(*const_cast<std::vector<CTxOut>*>(&vout));
         READWRITE(*const_cast<uint32_t*>(&nLockTime));
@@ -265,6 +283,12 @@ public:
     // Compute modified tx size for priority calculation (optionally given tx size)
     unsigned int CalculateModifiedSize(unsigned int nTxSize=0) const;
 
+    bool IsCoinStake() const
+    {
+        // the coin stake transaction is marked with the first output empty
+        return (vin.size() > 0 && (!vin[0].prevout.IsNull()) && vout.size() >= 2 && vout[0].IsEmpty());
+    }
+
     bool IsCoinBase() const
     {
         return (vin.size() == 1 && vin[0].prevout.IsNull());
@@ -287,6 +311,7 @@ public:
 struct CMutableTransaction
 {
     int32_t nVersion;
+    uint32_t nTime;
     std::vector<CTxIn> vin;
     std::vector<CTxOut> vout;
     uint32_t nLockTime;
@@ -300,6 +325,7 @@ struct CMutableTransaction
     inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
         READWRITE(this->nVersion);
         nVersion = this->nVersion;
+        READWRITE(nTime);
         READWRITE(vin);
         READWRITE(vout);
         READWRITE(nLockTime);