Merge pull request #4555

6dcfda2 Don't pass nHashType to EvalScript nor CheckSig (jtimon)
2b23a87 Don't pass nHashType to VerifyScript (jtimon)
ce3649fb Remove CScriptCheck::nHashType (was always 0) (jtimon)
358562b Remove unused function main:VerifySignature (jtimon)

11 files changed, 57 insertions, 70 deletions

diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index 6445042f9c..b6e7a6c540 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -435,7 +435,7 @@ static void MutateTxSign(CMutableTransaction& tx, const string& flagStr)
         BOOST_FOREACH(const CTransaction& txv, txVariants) {
             txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
         }
-        if (!VerifyScript(txin.scriptSig, prevPubKey, mergedTx, i, STANDARD_SCRIPT_VERIFY_FLAGS, 0))
+        if (!VerifyScript(txin.scriptSig, prevPubKey, mergedTx, i, STANDARD_SCRIPT_VERIFY_FLAGS))
             fComplete = false;
     }
 
diff --git a/src/main.cpp b/src/main.cpp
index 766553d948..6c1c7166a8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -697,7 +697,7 @@ bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
         // IsStandard() will have already returned false
         // and this method isn't called.
         vector<vector<unsigned char> > stack;
-        if (!EvalScript(stack, tx.vin[i].scriptSig, tx, i, false, 0))
+        if (!EvalScript(stack, tx.vin[i].scriptSig, tx, i, false))
             return false;
 
         if (whichType == TX_SCRIPTHASH)
@@ -1367,16 +1367,11 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
 
 bool CScriptCheck::operator()() const {
     const CScript &scriptSig = ptxTo->vin[nIn].scriptSig;
-    if (!VerifyScript(scriptSig, scriptPubKey, *ptxTo, nIn, nFlags, nHashType))
+    if (!VerifyScript(scriptSig, scriptPubKey, *ptxTo, nIn, nFlags))
         return error("CScriptCheck() : %s VerifySignature failed", ptxTo->GetHash().ToString());
     return true;
 }
 
-bool VerifySignature(const CCoins& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType)
-{
-    return CScriptCheck(txFrom, txTo, nIn, flags, nHashType)();
-}
-
 bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, std::vector<CScriptCheck> *pvChecks)
 {
     if (!tx.IsCoinBase())
@@ -1445,7 +1440,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
                 assert(coins);
 
                 // Verify signature
-                CScriptCheck check(*coins, tx, i, flags, 0);
+                CScriptCheck check(*coins, tx, i, flags);
                 if (pvChecks) {
                     pvChecks->push_back(CScriptCheck());
                     check.swap(pvChecks->back());
@@ -1458,7 +1453,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
                         // avoid splitting the network between upgraded and
                         // non-upgraded nodes.
                         CScriptCheck check(*coins, tx, i,
-                                flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS, 0);
+                                flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS);
                         if (check())
                             return state.Invalid(false, REJECT_NONSTANDARD, "non-mandatory-script-verify-flag");
                     }
diff --git a/src/main.h b/src/main.h
index f83db59849..5acc551793 100644
--- a/src/main.h
+++ b/src/main.h
@@ -176,8 +176,6 @@ int64_t GetBlockValue(int nHeight, int64_t nFees);
 
 /** Create a new block index entry for a given block hash */
 CBlockIndex * InsertBlockIndex(uint256 hash);
-/** Verify a signature */
-bool VerifySignature(const CCoins& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
 /** Abort with a message */
 bool AbortNode(const std::string &msg);
 /** Get statistics from node state */
@@ -344,13 +342,12 @@ private:
     const CTransaction *ptxTo;
     unsigned int nIn;
     unsigned int nFlags;
-    int nHashType;
 
 public:
-    CScriptCheck(): ptxTo(0), nIn(0), nFlags(0), nHashType(0) {}
-    CScriptCheck(const CCoins& txFromIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn, int nHashTypeIn) :
+    CScriptCheck(): ptxTo(0), nIn(0), nFlags(0) {}
+    CScriptCheck(const CCoins& txFromIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn) :
         scriptPubKey(txFromIn.vout[txToIn.vin[nInIn].prevout.n].scriptPubKey),
-        ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), nHashType(nHashTypeIn) { }
+        ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn) { }
 
     bool operator()() const;
 
@@ -359,7 +356,6 @@ public:
         std::swap(ptxTo, check.ptxTo);
         std::swap(nIn, check.nIn);
         std::swap(nFlags, check.nFlags);
-        std::swap(nHashType, check.nHashType);
     }
 };
 
diff --git a/src/rpcrawtransaction.cpp b/src/rpcrawtransaction.cpp
index b295be3b51..dbb0966ae2 100644
--- a/src/rpcrawtransaction.cpp
+++ b/src/rpcrawtransaction.cpp
@@ -687,7 +687,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
         BOOST_FOREACH(const CMutableTransaction& txv, txVariants) {
             txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
         }
-        if (!VerifyScript(txin.scriptSig, prevPubKey, mergedTx, i, STANDARD_SCRIPT_VERIFY_FLAGS, 0))
+        if (!VerifyScript(txin.scriptSig, prevPubKey, mergedTx, i, STANDARD_SCRIPT_VERIFY_FLAGS))
             fComplete = false;
     }
 
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 471edf1c98..fd3e4f1ff7 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -132,7 +132,7 @@ bool IsCanonicalSignature(const valtype &vchSig, unsigned int flags) {
     return true;
 }
 
-bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType)
+bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags)
 {
     CScript::const_iterator pc = script.begin();
     CScript::const_iterator pend = script.end();
@@ -675,7 +675,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
                     scriptCode.FindAndDelete(CScript(vchSig));
 
                     bool fSuccess = IsCanonicalSignature(vchSig, flags) && IsCanonicalPubKey(vchPubKey, flags) &&
-                        CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, nHashType, flags);
+                        CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, flags);
 
                     popstack(stack);
                     popstack(stack);
@@ -736,7 +736,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
 
                         // Check signature
                         bool fOk = IsCanonicalSignature(vchSig, flags) && IsCanonicalPubKey(vchPubKey, flags) &&
-                            CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, nHashType, flags);
+                            CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, flags);
 
                         if (fOk) {
                             isig++;
@@ -975,7 +975,7 @@ public:
     }
 };
 
-bool CheckSig(vector<unsigned char> vchSig, const vector<unsigned char> &vchPubKey, const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, int flags)
+bool CheckSig(vector<unsigned char> vchSig, const vector<unsigned char>& vchPubKey, const CScript& scriptCode, const CTransaction& txTo, unsigned int nIn, int flags)
 {
     static CSignatureCache signatureCache;
 
@@ -986,10 +986,7 @@ bool CheckSig(vector<unsigned char> vchSig, const vector<unsigned char> &vchPubK
     // Hash type is one byte tacked on to the end of the signature
     if (vchSig.empty())
         return false;
-    if (nHashType == 0)
-        nHashType = vchSig.back();
-    else if (nHashType != vchSig.back())
-        return false;
+    int nHashType = vchSig.back();
     vchSig.pop_back();
 
     uint256 sighash = SignatureHash(scriptCode, txTo, nIn, nHashType);
@@ -1006,15 +1003,14 @@ bool CheckSig(vector<unsigned char> vchSig, const vector<unsigned char> &vchPubK
     return true;
 }
 
-bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn,
-                  unsigned int flags, int nHashType)
+bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags)
 {
     vector<vector<unsigned char> > stack, stackCopy;
-    if (!EvalScript(stack, scriptSig, txTo, nIn, flags, nHashType))
+    if (!EvalScript(stack, scriptSig, txTo, nIn, flags))
         return false;
     if (flags & SCRIPT_VERIFY_P2SH)
         stackCopy = stack;
-    if (!EvalScript(stack, scriptPubKey, txTo, nIn, flags, nHashType))
+    if (!EvalScript(stack, scriptPubKey, txTo, nIn, flags))
         return false;
     if (stack.empty())
         return false;
@@ -1037,7 +1033,7 @@ bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const C
         CScript pubKey2(pubKeySerialized.begin(), pubKeySerialized.end());
         popstack(stackCopy);
 
-        if (!EvalScript(stackCopy, pubKey2, txTo, nIn, flags, nHashType))
+        if (!EvalScript(stackCopy, pubKey2, txTo, nIn, flags))
             return false;
         if (stackCopy.empty())
             return false;
diff --git a/src/script/interpreter.h b/src/script/interpreter.h
index 6fbcd92a3d..adca2142ac 100644
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -38,8 +38,8 @@ bool IsCanonicalPubKey(const std::vector<unsigned char> &vchPubKey, unsigned int
 bool IsCanonicalSignature(const std::vector<unsigned char> &vchSig, unsigned int flags);
 
 uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
-bool CheckSig(std::vector<unsigned char> vchSig, const std::vector<unsigned char> &vchPubKey, const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, int flags);
-bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
-bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
+bool CheckSig(std::vector<unsigned char> vchSig, const std::vector<unsigned char> &vchPubKey, const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int flags);
+bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags);
+bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags);
 
 #endif // H_BITCOIN_SCRIPT_INTERPRETER
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index db9513db9f..8abd8d221d 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -123,7 +123,7 @@ bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CMutabl
     }
 
     // Test solution
-    return VerifyScript(txin.scriptSig, fromPubKey, txTo, nIn, STANDARD_SCRIPT_VERIFY_FLAGS, 0);
+    return VerifyScript(txin.scriptSig, fromPubKey, txTo, nIn, STANDARD_SCRIPT_VERIFY_FLAGS);
 }
 
 bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType)
@@ -174,7 +174,7 @@ static CScript CombineMultisig(CScript scriptPubKey, const CMutableTransaction&
             if (sigs.count(pubkey))
                 continue; // Already got a sig for this pubkey
 
-            if (CheckSig(sig, pubkey, scriptPubKey, txTo, nIn, 0, 0))
+            if (CheckSig(sig, pubkey, scriptPubKey, txTo, nIn, 0))
             {
                 sigs[pubkey] = sig;
                 break;
@@ -252,9 +252,9 @@ CScript CombineSignatures(CScript scriptPubKey, const CTransaction& txTo, unsign
     Solver(scriptPubKey, txType, vSolutions);
 
     vector<valtype> stack1;
-    EvalScript(stack1, scriptSig1, CTransaction(), 0, SCRIPT_VERIFY_STRICTENC, 0);
+    EvalScript(stack1, scriptSig1, CTransaction(), 0, SCRIPT_VERIFY_STRICTENC);
     vector<valtype> stack2;
-    EvalScript(stack2, scriptSig2, CTransaction(), 0, SCRIPT_VERIFY_STRICTENC, 0);
+    EvalScript(stack2, scriptSig2, CTransaction(), 0, SCRIPT_VERIFY_STRICTENC);
 
     return CombineSignatures(scriptPubKey, txTo, nIn, txType, vSolutions, stack1, stack2);
 }
diff --git a/src/test/multisig_tests.cpp b/src/test/multisig_tests.cpp
index 91dfa39505..cb37740068 100644
--- a/src/test/multisig_tests.cpp
+++ b/src/test/multisig_tests.cpp
@@ -82,19 +82,19 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
     keys.clear();
     keys += key[0],key[1]; // magic operator+= from boost.assign
     s = sign_multisig(a_and_b, keys, txTo[0], 0);
-    BOOST_CHECK(VerifyScript(s, a_and_b, txTo[0], 0, flags, 0));
+    BOOST_CHECK(VerifyScript(s, a_and_b, txTo[0], 0, flags));
 
     for (int i = 0; i < 4; i++)
     {
         keys.clear();
         keys += key[i];
         s = sign_multisig(a_and_b, keys, txTo[0], 0);
-        BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, flags, 0), strprintf("a&b 1: %d", i));
+        BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, flags), strprintf("a&b 1: %d", i));
 
         keys.clear();
         keys += key[1],key[i];
         s = sign_multisig(a_and_b, keys, txTo[0], 0);
-        BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, flags, 0), strprintf("a&b 2: %d", i));
+        BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, flags), strprintf("a&b 2: %d", i));
     }
 
     // Test a OR b:
@@ -104,16 +104,16 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
         keys += key[i];
         s = sign_multisig(a_or_b, keys, txTo[1], 0);
         if (i == 0 || i == 1)
-            BOOST_CHECK_MESSAGE(VerifyScript(s, a_or_b, txTo[1], 0, flags, 0), strprintf("a|b: %d", i));
+            BOOST_CHECK_MESSAGE(VerifyScript(s, a_or_b, txTo[1], 0, flags), strprintf("a|b: %d", i));
         else
-            BOOST_CHECK_MESSAGE(!VerifyScript(s, a_or_b, txTo[1], 0, flags, 0), strprintf("a|b: %d", i));
+            BOOST_CHECK_MESSAGE(!VerifyScript(s, a_or_b, txTo[1], 0, flags), strprintf("a|b: %d", i));
     }
     s.clear();
     s << OP_0 << OP_0;
-    BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, flags));
     s.clear();
     s << OP_0 << OP_1;
-    BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, flags));
 
 
     for (int i = 0; i < 4; i++)
@@ -123,9 +123,9 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
             keys += key[i],key[j];
             s = sign_multisig(escrow, keys, txTo[2], 0);
             if (i < j && i < 3 && j < 3)
-                BOOST_CHECK_MESSAGE(VerifyScript(s, escrow, txTo[2], 0, flags, 0), strprintf("escrow 1: %d %d", i, j));
+                BOOST_CHECK_MESSAGE(VerifyScript(s, escrow, txTo[2], 0, flags), strprintf("escrow 1: %d %d", i, j));
             else
-                BOOST_CHECK_MESSAGE(!VerifyScript(s, escrow, txTo[2], 0, flags, 0), strprintf("escrow 2: %d %d", i, j));
+                BOOST_CHECK_MESSAGE(!VerifyScript(s, escrow, txTo[2], 0, flags), strprintf("escrow 2: %d %d", i, j));
         }
 }
 
diff --git a/src/test/script_P2SH_tests.cpp b/src/test/script_P2SH_tests.cpp
index 1f3991d7b6..e6cf00c2d0 100644
--- a/src/test/script_P2SH_tests.cpp
+++ b/src/test/script_P2SH_tests.cpp
@@ -42,7 +42,7 @@ Verify(const CScript& scriptSig, const CScript& scriptPubKey, bool fStrict)
     txTo.vin[0].scriptSig = scriptSig;
     txTo.vout[0].nValue = 1;
 
-    return VerifyScript(scriptSig, scriptPubKey, txTo, 0, fStrict ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE, 0);
+    return VerifyScript(scriptSig, scriptPubKey, txTo, 0, fStrict ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE);
 }
 
 
@@ -113,7 +113,7 @@ BOOST_AUTO_TEST_CASE(sign)
         {
             CScript sigSave = txTo[i].vin[0].scriptSig;
             txTo[i].vin[0].scriptSig = txTo[j].vin[0].scriptSig;
-            bool sigOK = VerifySignature(CCoins(txFrom, 0), txTo[i], 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC, 0);
+            bool sigOK = CScriptCheck(CCoins(txFrom, 0), txTo[i], 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC)();
             if (i == j)
                 BOOST_CHECK_MESSAGE(sigOK, strprintf("VerifySignature %d %d", i, j));
             else
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp
index 7afe840897..cb543a0cf1 100644
--- a/src/test/script_tests.cpp
+++ b/src/test/script_tests.cpp
@@ -77,7 +77,7 @@ BOOST_AUTO_TEST_CASE(script_valid)
         unsigned int scriptflags = ParseScriptFlags(test[2].get_str());
 
         CTransaction tx;
-        BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, tx, 0, scriptflags, SIGHASH_NONE), strTest);
+        BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, tx, 0, scriptflags), strTest);
     }
 }
 
@@ -102,7 +102,7 @@ BOOST_AUTO_TEST_CASE(script_invalid)
         unsigned int scriptflags = ParseScriptFlags(test[2].get_str());
 
         CTransaction tx;
-        BOOST_CHECK_MESSAGE(!VerifyScript(scriptSig, scriptPubKey, tx, 0, scriptflags, SIGHASH_NONE), strTest);
+        BOOST_CHECK_MESSAGE(!VerifyScript(scriptSig, scriptPubKey, tx, 0, scriptflags), strTest);
     }
 }
 
@@ -116,18 +116,18 @@ BOOST_AUTO_TEST_CASE(script_PushData)
     static const unsigned char pushdata4[] = { OP_PUSHDATA4, 1, 0, 0, 0, 0x5a };
 
     vector<vector<unsigned char> > directStack;
-    BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), CTransaction(), 0, true, 0));
+    BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), CTransaction(), 0, true));
 
     vector<vector<unsigned char> > pushdata1Stack;
-    BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), CTransaction(), 0, true, 0));
+    BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), CTransaction(), 0, true));
     BOOST_CHECK(pushdata1Stack == directStack);
 
     vector<vector<unsigned char> > pushdata2Stack;
-    BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), CTransaction(), 0, true, 0));
+    BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), CTransaction(), 0, true));
     BOOST_CHECK(pushdata2Stack == directStack);
 
     vector<vector<unsigned char> > pushdata4Stack;
-    BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), CTransaction(), 0, true, 0));
+    BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), CTransaction(), 0, true));
     BOOST_CHECK(pushdata4Stack == directStack);
 }
 
@@ -185,15 +185,15 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG12)
     txTo12.vout[0].nValue = 1;
 
     CScript goodsig1 = sign_multisig(scriptPubKey12, key1, txTo12);
-    BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, flags, 0));
+    BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, flags));
     txTo12.vout[0].nValue = 2;
-    BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, flags));
 
     CScript goodsig2 = sign_multisig(scriptPubKey12, key2, txTo12);
-    BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, txTo12, 0, flags, 0));
+    BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, txTo12, 0, flags));
 
     CScript badsig1 = sign_multisig(scriptPubKey12, key3, txTo12);
-    BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, txTo12, 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, txTo12, 0, flags));
 }
 
 BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23)
@@ -221,46 +221,46 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23)
     std::vector<CKey> keys;
     keys.push_back(key1); keys.push_back(key2);
     CScript goodsig1 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey23, txTo23, 0, flags));
 
     keys.clear();
     keys.push_back(key1); keys.push_back(key3);
     CScript goodsig2 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, txTo23, 0, flags));
 
     keys.clear();
     keys.push_back(key2); keys.push_back(key3);
     CScript goodsig3 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, txTo23, 0, flags));
 
     keys.clear();
     keys.push_back(key2); keys.push_back(key2); // Can't re-use sig
     CScript badsig1 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey23, txTo23, 0, flags));
 
     keys.clear();
     keys.push_back(key2); keys.push_back(key1); // sigs must be in correct order
     CScript badsig2 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig2, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(badsig2, scriptPubKey23, txTo23, 0, flags));
 
     keys.clear();
     keys.push_back(key3); keys.push_back(key2); // sigs must be in correct order
     CScript badsig3 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig3, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(badsig3, scriptPubKey23, txTo23, 0, flags));
 
     keys.clear();
     keys.push_back(key4); keys.push_back(key2); // sigs must match pubkeys
     CScript badsig4 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig4, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(badsig4, scriptPubKey23, txTo23, 0, flags));
 
     keys.clear();
     keys.push_back(key1); keys.push_back(key4); // sigs must match pubkeys
     CScript badsig5 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig5, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(badsig5, scriptPubKey23, txTo23, 0, flags));
 
     keys.clear(); // Must have signatures
     CScript badsig6 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, txTo23, 0, flags, 0));
+    BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, txTo23, 0, flags));
 }    
 
 BOOST_AUTO_TEST_CASE(script_combineSigs)
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index 221afa3420..41d8ee9f19 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -121,7 +121,7 @@ BOOST_AUTO_TEST_CASE(tx_valid)
 
                 unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
                 BOOST_CHECK_MESSAGE(VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
-                                                 tx, i, verify_flags, 0),
+                                                 tx, i, verify_flags),
                                     strTest);
             }
         }
@@ -194,7 +194,7 @@ BOOST_AUTO_TEST_CASE(tx_invalid)
 
                 unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
                 fValid = VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
-                                      tx, i, verify_flags, 0);
+                                      tx, i, verify_flags);
             }
 
             BOOST_CHECK_MESSAGE(!fValid, strTest);