X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fscript.h;h=8dd7ce986d319608f85eb806700ddd797e4e605f;hb=HEAD;hp=ef13bf4a1976a8e1f9ac3e9c564610ffd1ec1088;hpb=231bc10a4b86e0a45d6cca292c707ac76d74bbdc;p=novacoin.git

diff --git a/src/script.h b/src/script.h
index ef13bf4..0f7cdf2 100644
--- a/src/script.h
+++ b/src/script.h
@@ -5,21 +5,43 @@
 #ifndef H_BITCOIN_SCRIPT
 #define H_BITCOIN_SCRIPT
 
+#include "keystore.h"
+#include "bignum.h"
+#include "util.h"
+
 #include <string>
 #include <vector>
 
-#include <boost/foreach.hpp>
-
-#include "keystore.h"
-#include "bignum.h"
 
 typedef std::vector<uint8_t> valtype;
 
 class CTransaction;
+class CBitcoinAddress;
 
 static const unsigned int MAX_SCRIPT_ELEMENT_SIZE = 520; // bytes
 
-/** IsMine() return codes */
+// Setting nSequence to this value for every input in a transaction
+// disables nLockTime.
+static const uint32_t SEQUENCE_FINAL = 0xffffffff;
+
+// Threshold for inverted nSequence: below this value it is interpreted
+// as a relative lock-time, otherwise ignored.
+//static const uint32_t SEQUENCE_THRESHOLD = 0x80000000;
+
+// If this flag set, CTxIn::nSequence is NOT interpreted as a
+// relative lock-time.
+static const uint32_t SEQUENCE_LOCKTIME_DISABLE_FLAG = 0x80000000;
+
+// If CTxIn::nSequence encodes a relative lock-time and this flag
+// is set, the relative lock-time has units of 512 seconds,
+// otherwise it specifies blocks with a granularity of 1.
+static const uint32_t SEQUENCE_LOCKTIME_TYPE_FLAG = 0x00400000;
+
+// If CTxIn::nSequence encodes a relative lock-time, this mask is
+// applied to extract that lock-time from the sequence field.
+static const uint32_t SEQUENCE_LOCKTIME_MASK = 0x0000ffff;
+
+// IsMine() return codes
 enum isminetype
 {
     MINE_NO = 0,
@@ -30,7 +52,7 @@ enum isminetype
 
 typedef uint8_t isminefilter;
 
-/** Signature hash types/flags */
+// Signature hash types/flags
 enum
 {
     SIGHASH_ALL = 1,
@@ -39,7 +61,7 @@ enum
     SIGHASH_ANYONECANPAY = 0x80
 };
 
-/** Script verification flags */
+// Script verification flags
 enum
 {
     SCRIPT_VERIFY_NONE      = 0,
@@ -47,7 +69,9 @@ enum
     SCRIPT_VERIFY_STRICTENC = (1U << 1), // enforce strict conformance to DER and SEC2 for signatures and pubkeys
     SCRIPT_VERIFY_LOW_S     = (1U << 2), // enforce low S values in signatures (depends on STRICTENC)
     SCRIPT_VERIFY_NOCACHE   = (1U << 3), // do not store results in signature cache (but do query it)
-    SCRIPT_VERIFY_NULLDUMMY = (1U << 4)  // verify dummy stack item consumed by CHECKMULTISIG is of zero-length
+    SCRIPT_VERIFY_NULLDUMMY = (1U << 4), // verify dummy stack item consumed by CHECKMULTISIG is of zero-length
+    SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9),
+    SCRIPT_VERIFY_CHECKSEQUENCEVERIFY = (1U << 10)
 };
 
 // Strict verification:
@@ -85,7 +109,7 @@ enum txnouttype
 
 const char* GetTxnOutputType(txnouttype t);
 
-/** Script opcodes */
+// Script opcodes
 enum opcodetype
 {
     // push value
@@ -125,6 +149,8 @@ enum opcodetype
     OP_ENDIF = 0x68,
     OP_VERIFY = 0x69,
     OP_RETURN = 0x6a,
+    OP_CHECKLOCKTIMEVERIFY = 0xb1,
+    OP_CHECKSEQUENCEVERIFY = 0xb2,
 
     // stack ops
     OP_TOALTSTACK = 0x6b,
@@ -210,8 +236,6 @@ enum opcodetype
 
     // expansion
     OP_NOP1 = 0xb0,
-    OP_NOP2 = 0xb1,
-    OP_NOP3 = 0xb2,
     OP_NOP4 = 0xb3,
     OP_NOP5 = 0xb4,
     OP_NOP6 = 0xb5,
@@ -220,12 +244,11 @@ enum opcodetype
     OP_NOP9 = 0xb8,
     OP_NOP10 = 0xb9,
 
-
-
     // template matching params
     OP_SMALLDATA = 0xf9,
     OP_SMALLINTEGER = 0xfa,
     OP_PUBKEYS = 0xfb,
+    OP_INTEGER = 0xfc,
     OP_PUBKEYHASH = 0xfd,
     OP_PUBKEY = 0xfe,
 
@@ -245,7 +268,7 @@ inline std::string ValueString(const std::vector<unsigned char>& vch)
 inline std::string StackString(const std::vector<std::vector<unsigned char> >& vStack)
 {
     std::string str;
-    BOOST_FOREACH(const std::vector<unsigned char>& vch, vStack)
+    for (const std::vector<unsigned char>& vch : vStack)
     {
         if (!str.empty())
             str += " ";
@@ -254,7 +277,7 @@ inline std::string StackString(const std::vector<std::vector<unsigned char> >& v
     return str;
 }
 
-/** Serialized script, used inside transaction inputs and outputs */
+// Serialized script, used inside transaction inputs and outputs
 class CScript : public std::vector<uint8_t>
 {
 protected:
@@ -294,6 +317,8 @@ public:
     CScript(const uint8_t* pbegin, const uint8_t* pend) : std::vector<uint8_t>(pbegin, pend) { }
 #endif
 
+    CScript& operator=(const CScript&) = default;
+
     CScript& operator+=(const CScript& b)
     {
         insert(end(), b.begin(), b.end());
@@ -356,7 +381,7 @@ public:
 
     CScript& operator<<(const CPubKey& key)
     {
-        std::vector<uint8_t> vchKey = key.Raw();
+        std::vector<uint8_t> vchKey(key.begin(), key.end());
         return (*this) << vchKey;
     }
 
@@ -538,10 +563,8 @@ public:
 
     bool IsPayToScriptHash() const;
 
-    // Called by CTransaction::IsStandard and P2SH VerifyScript (which makes it consensus-critical).
-    bool IsPushOnly() const
+    bool IsPushOnly(const_iterator pc) const
     {
-        const_iterator pc = begin();
         while (pc < end())
         {
             opcodetype opcode;
@@ -553,12 +576,18 @@ public:
         return true;
     }
 
+    // Called by CTransaction::IsStandard and P2SH VerifyScript (which makes it consensus-critical).
+    bool IsPushOnly() const
+    {
+        return this->IsPushOnly(begin());
+    }
+
     // Called by CTransaction::IsStandard.
     bool HasCanonicalPushes() const;
 
     void SetDestination(const CTxDestination& address);
-    void SetDestination(const CPubKey& R, CPubKey& pubKeyVariant);
-    void SetMultisig(int nRequired, const std::vector<CKey>& keys);
+    void SetAddress(const CBitcoinAddress& dest);
+    void SetMultisig(int nRequired, const std::vector<CPubKey>& keys);
 
 
     void PrintHex() const
@@ -594,10 +623,7 @@ public:
         printf("%s\n", ToString().c_str());
     }
 
-    CScriptID GetID() const
-    {
-        return CScriptID(Hash160(*this));
-    }
+    CScriptID GetID() const;
 };
 
 bool IsCanonicalPubKey(const std::vector<unsigned char> &vchPubKey, unsigned int flags);
@@ -609,9 +635,11 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::v
 int ScriptSigArgsExpected(txnouttype t, const std::vector<std::vector<unsigned char> >& vSolutions);
 bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType);
 isminetype IsMine(const CKeyStore& keystore, const CScript& scriptPubKey);
-isminetype IsMine(const CKeyStore& keystore, const CTxDestination& dest);
+//isminetype IsMine(const CKeyStore& keystore, const CTxDestination& dest);
+isminetype IsMine(const CKeyStore& keystore, const CBitcoinAddress& dest);
 void ExtractAffectedKeys(const CKeyStore &keystore, const CScript& scriptPubKey, std::vector<CKeyID> &vKeys);
 bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet);
+bool ExtractAddress(const CKeyStore &keystore, const CScript& scriptPubKey, CBitcoinAddress& addressRet);
 bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet);
 bool SignSignature(const CKeyStore& keystore, const CScript& fromPubKey, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
 bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);