Merge pull request #4899

0be990b Move CTxDestination from script/script to script/standard (Pieter Wuille)

src/base58.h

@@ -17,6 +17,7 @@
 #include "chainparams.h"
 #include "key.h"
 #include "script/script.h"
+#include "script/standard.h"
 
 #include <string>
 #include <vector>

src/bitcoin-tx.cpp

@@ -224,9 +224,8 @@ static void MutateTxAddOutAddr(CMutableTransaction& tx, const string& strInput)
     if (!addr.IsValid())
         throw runtime_error("invalid TX output address");
 
-    // build standard output script via SetDestination()
-    CScript scriptPubKey;
-    scriptPubKey.SetDestination(addr.Get());
+    // build standard output script via GetScriptForDestination()
+    CScript scriptPubKey = GetScriptForDestination(addr.Get());
 
     // construct TxOut, append to transaction output list
     CTxOut txout(value, scriptPubKey);

src/qt/guiutil.cpp

@@ -13,6 +13,8 @@
 #include "init.h"
 #include "main.h"
 #include "protocol.h"
+#include "script/script.h"
+#include "script/standard.h"
 #include "util.h"
 
 #ifdef WIN32
@@ -222,7 +224,7 @@ QString formatBitcoinURI(const SendCoinsRecipient &info)
 bool isDust(const QString& address, qint64 amount)
 {
     CTxDestination dest = CBitcoinAddress(address.toStdString()).Get();
-    CScript script; script.SetDestination(dest);
+    CScript script = GetScriptForDestination(dest);
     CTxOut txOut(amount, script);
     return txOut.IsDust(::minRelayTxFee);
 }

src/qt/paymentserver.cpp

@@ -609,7 +609,7 @@ void PaymentServer::fetchPaymentACK(CWallet* wallet, SendCoinsRecipient recipien
     std::string strAccount = account.toStdString();
     set<CTxDestination> refundAddresses = wallet->GetAccountAddresses(strAccount);
     if (!refundAddresses.empty()) {
-        CScript s; s.SetDestination(*refundAddresses.begin());
+        CScript s = GetScriptForDestination(*refundAddresses.begin());
         payments::Output* refund_to = payment.add_refund_to();
         refund_to->set_script(&s[0], s.size());
     }
@@ -620,7 +620,7 @@ void PaymentServer::fetchPaymentACK(CWallet* wallet, SendCoinsRecipient recipien
             CKeyID keyID = newKey.GetID();
             wallet->SetAddressBook(keyID, strAccount, "refund");
 
-            CScript s; s.SetDestination(keyID);
+            CScript s = GetScriptForDestination(keyID);
             payments::Output* refund_to = payment.add_refund_to();
             refund_to->set_script(&s[0], s.size());
         }

src/qt/walletmodel.cpp

@@ -241,8 +241,7 @@ WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransact
             setAddress.insert(rcp.address);
             ++nAddresses;
 
-            CScript scriptPubKey;
-            scriptPubKey.SetDestination(CBitcoinAddress(rcp.address.toStdString()).Get());
+            CScript scriptPubKey = GetScriptForDestination(CBitcoinAddress(rcp.address.toStdString()).Get());
             vecSend.push_back(std::pair<CScript, int64_t>(scriptPubKey, rcp.amount));
 
             total += rcp.amount;

src/rpcdump.cpp

@@ -6,6 +6,8 @@
 #include "rpcserver.h"
 #include "init.h"
 #include "main.h"
+#include "script/script.h"
+#include "script/standard.h"
 #include "sync.h"
 #include "util.h"
 #include "utiltime.h"
@@ -161,7 +163,7 @@ Value importaddress(const Array& params, bool fHelp)
 
     CBitcoinAddress address(params[0].get_str());
     if (address.IsValid()) {
-        script.SetDestination(address.Get());
+        script = GetScriptForDestination(address.Get());
     } else if (IsHex(params[0].get_str())) {
         std::vector<unsigned char> data(ParseHex(params[0].get_str()));
         script = CScript(data.begin(), data.end());

src/rpcmisc.cpp

@@ -250,8 +250,7 @@ CScript _createmultisig_redeemScript(const Array& params)
             throw runtime_error(" Invalid public key: "+ks);
         }
     }
-    CScript result;
-    result.SetMultisig(nRequired, pubkeys);
+    CScript result = GetScriptForMultisig(nRequired, pubkeys);
 
     if (result.size() > MAX_SCRIPT_ELEMENT_SIZE)
         throw runtime_error(

src/rpcrawtransaction.cpp

@@ -366,8 +366,7 @@ Value createrawtransaction(const Array& params, bool fHelp)
             throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+s.name_);
         setAddress.insert(address);
 
-        CScript scriptPubKey;
-        scriptPubKey.SetDestination(address.Get());
+        CScript scriptPubKey = GetScriptForDestination(address.Get());
         int64_t nAmount = AmountFromValue(s.value_);
 
         CTxOut out(nAmount, scriptPubKey);

src/rpcwallet.cpp

@@ -124,8 +124,7 @@ CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
     // Check if the current key has been used
     if (account.vchPubKey.IsValid())
     {
-        CScript scriptPubKey;
-        scriptPubKey.SetDestination(account.vchPubKey.GetID());
+        CScript scriptPubKey = GetScriptForDestination(account.vchPubKey.GetID());
         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
              it != pwalletMain->mapWallet.end() && account.vchPubKey.IsValid();
              ++it)
@@ -472,10 +471,9 @@ Value getreceivedbyaddress(const Array& params, bool fHelp)
 
     // Bitcoin address
     CBitcoinAddress address = CBitcoinAddress(params[0].get_str());
-    CScript scriptPubKey;
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
-    scriptPubKey.SetDestination(address.Get());
+    CScript scriptPubKey = GetScriptForDestination(address.Get());
     if (!IsMine(*pwalletMain,scriptPubKey))
         return (double)0.0;
 
@@ -849,8 +847,7 @@ Value sendmany(const Array& params, bool fHelp)
             throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+s.name_);
         setAddress.insert(address);
 
-        CScript scriptPubKey;
-        scriptPubKey.SetDestination(address.Get());
+        CScript scriptPubKey = GetScriptForDestination(address.Get());
         int64_t nAmount = AmountFromValue(s.value_);
         totalAmount += nAmount;
 

src/script/script.cpp

@@ -253,43 +253,3 @@ bool CScript::HasCanonicalPushes() const
     }
     return true;
 }
-
-class CScriptVisitor : public boost::static_visitor<bool>
-{
-private:
-    CScript *script;
-public:
-    CScriptVisitor(CScript *scriptin) { script = scriptin; }
-
-    bool operator()(const CNoDestination &dest) const {
-        script->clear();
-        return false;
-    }
-
-    bool operator()(const CKeyID &keyID) const {
-        script->clear();
-        *script << OP_DUP << OP_HASH160 << keyID << OP_EQUALVERIFY << OP_CHECKSIG;
-        return true;
-    }
-
-    bool operator()(const CScriptID &scriptID) const {
-        script->clear();
-        *script << OP_HASH160 << scriptID << OP_EQUAL;
-        return true;
-    }
-};
-
-void CScript::SetDestination(const CTxDestination& dest)
-{
-    boost::apply_visitor(CScriptVisitor(this), dest);
-}
-
-void CScript::SetMultisig(int nRequired, const std::vector<CPubKey>& keys)
-{
-    this->clear();
-
-    *this << EncodeOP_N(nRequired);
-    BOOST_FOREACH(const CPubKey& key, keys)
-        *this << key;
-    *this << EncodeOP_N(keys.size()) << OP_CHECKMULTISIG;
-}

src/script/script.h

@@ -320,20 +320,6 @@ inline std::string ValueString(const std::vector<unsigned char>& vch)
         return HexStr(vch);
 }
 
-class CNoDestination {
-public:
-    friend bool operator==(const CNoDestination &a, const CNoDestination &b) { return true; }
-    friend bool operator<(const CNoDestination &a, const CNoDestination &b) { return true; }
-};
-
-/** A txout script template with a specific destination. It is either:
- *  * CNoDestination: no destination set
- *  * CKeyID: TX_PUBKEYHASH destination
- *  * CScriptID: TX_SCRIPTHASH destination
- *  A CTxDestination is the internal data type encoded in a CBitcoinAddress
- */
-typedef boost::variant<CNoDestination, CKeyID, CScriptID> CTxDestination;
-
 /** Serialized script, used inside transaction inputs and outputs */
 class CScript : public std::vector<unsigned char>
 {
@@ -604,9 +590,6 @@ public:
         return (size() > 0 && *begin() == OP_RETURN);
     }
 
-    void SetDestination(const CTxDestination& address);
-    void SetMultisig(int nRequired, const std::vector<CPubKey>& keys);
-
     std::string ToString() const
     {
         std::string str;

src/script/standard.cpp

@@ -252,3 +252,50 @@ bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, vecto
 
     return true;
 }
+
+namespace
+{
+class CScriptVisitor : public boost::static_visitor<bool>
+{
+private:
+    CScript *script;
+public:
+    CScriptVisitor(CScript *scriptin) { script = scriptin; }
+
+    bool operator()(const CNoDestination &dest) const {
+        script->clear();
+        return false;
+    }
+
+    bool operator()(const CKeyID &keyID) const {
+        script->clear();
+        *script << OP_DUP << OP_HASH160 << keyID << OP_EQUALVERIFY << OP_CHECKSIG;
+        return true;
+    }
+
+    bool operator()(const CScriptID &scriptID) const {
+        script->clear();
+        *script << OP_HASH160 << scriptID << OP_EQUAL;
+        return true;
+    }
+};
+}
+
+CScript GetScriptForDestination(const CTxDestination& dest)
+{
+    CScript script;
+
+    boost::apply_visitor(CScriptVisitor(&script), dest);
+    return script;
+}
+
+CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys)
+{
+    CScript script;
+
+    script << CScript::EncodeOP_N(nRequired);
+    BOOST_FOREACH(const CPubKey& key, keys)
+        script << key;
+    script << CScript::EncodeOP_N(keys.size()) << OP_CHECKMULTISIG;
+    return script;
+}

src/script/standard.h

@@ -45,6 +45,20 @@ enum txnouttype
     TX_NULL_DATA,
 };
 
+class CNoDestination {
+public:
+    friend bool operator==(const CNoDestination &a, const CNoDestination &b) { return true; }
+    friend bool operator<(const CNoDestination &a, const CNoDestination &b) { return true; }
+};
+
+/** A txout script template with a specific destination. It is either:
+ *  * CNoDestination: no destination set
+ *  * CKeyID: TX_PUBKEYHASH destination
+ *  * CScriptID: TX_SCRIPTHASH destination
+ *  A CTxDestination is the internal data type encoded in a CBitcoinAddress
+ */
+typedef boost::variant<CNoDestination, CKeyID, CScriptID> CTxDestination;
+
 const char* GetTxnOutputType(txnouttype t);
 
 bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::vector<unsigned char> >& vSolutionsRet);
@@ -53,4 +67,7 @@ bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType);
 bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet);
 bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet);
 
+CScript GetScriptForDestination(const CTxDestination& dest);
+CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys);
+
 #endif // H_BITCOIN_SCRIPT_STANDARD

src/test/DoS_tests.cpp

@@ -173,7 +173,7 @@ BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
         tx.vin[0].scriptSig << OP_1;
         tx.vout.resize(1);
         tx.vout[0].nValue = 1*CENT;
-        tx.vout[0].scriptPubKey.SetDestination(key.GetPubKey().GetID());
+        tx.vout[0].scriptPubKey = GetScriptForDestination(key.GetPubKey().GetID());
 
         AddOrphanTx(tx, i);
     }
@@ -189,7 +189,7 @@ BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
         tx.vin[0].prevout.hash = txPrev.GetHash();
         tx.vout.resize(1);
         tx.vout[0].nValue = 1*CENT;
-        tx.vout[0].scriptPubKey.SetDestination(key.GetPubKey().GetID());
+        tx.vout[0].scriptPubKey = GetScriptForDestination(key.GetPubKey().GetID());
         SignSignature(keystore, txPrev, tx, 0);
 
         AddOrphanTx(tx, i);
@@ -203,7 +203,7 @@ BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
         CMutableTransaction tx;
         tx.vout.resize(1);
         tx.vout[0].nValue = 1*CENT;
-        tx.vout[0].scriptPubKey.SetDestination(key.GetPubKey().GetID());
+        tx.vout[0].scriptPubKey = GetScriptForDestination(key.GetPubKey().GetID());
         tx.vin.resize(500);
         for (unsigned int j = 0; j < tx.vin.size(); j++)
         {

src/test/miner_tests.cpp

@@ -170,7 +170,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
     tx.vin[0].scriptSig = CScript() << OP_1;
     tx.vout[0].nValue = 4900000000LL;
     script = CScript() << OP_0;
-    tx.vout[0].scriptPubKey.SetDestination(script.GetID());
+    tx.vout[0].scriptPubKey = GetScriptForDestination(script.GetID());
     hash = tx.GetHash();
     mempool.addUnchecked(hash, CTxMemPoolEntry(tx, 11, GetTime(), 111.0, 11));
     tx.vin[0].prevout.hash = hash;

src/test/script_P2SH_tests.cpp

@@ -68,14 +68,14 @@ BOOST_AUTO_TEST_CASE(sign)
     // different keys, straight/P2SH, pubkey/pubkeyhash
     CScript standardScripts[4];
     standardScripts[0] << key[0].GetPubKey() << OP_CHECKSIG;
-    standardScripts[1].SetDestination(key[1].GetPubKey().GetID());
+    standardScripts[1] = GetScriptForDestination(key[1].GetPubKey().GetID());
     standardScripts[2] << key[1].GetPubKey() << OP_CHECKSIG;
-    standardScripts[3].SetDestination(key[2].GetPubKey().GetID());
+    standardScripts[3] = GetScriptForDestination(key[2].GetPubKey().GetID());
     CScript evalScripts[4];
     for (int i = 0; i < 4; i++)
     {
         keystore.AddCScript(standardScripts[i]);
-        evalScripts[i].SetDestination(standardScripts[i].GetID());
+        evalScripts[i] = GetScriptForDestination(standardScripts[i].GetID());
     }
 
     CMutableTransaction txFrom;  // Funding transaction:
@@ -129,8 +129,7 @@ BOOST_AUTO_TEST_CASE(norecurse)
     CScript invalidAsScript;
     invalidAsScript << OP_INVALIDOPCODE << OP_INVALIDOPCODE;
 
-    CScript p2sh;
-    p2sh.SetDestination(invalidAsScript.GetID());
+    CScript p2sh = GetScriptForDestination(invalidAsScript.GetID());
 
     CScript scriptSig;
     scriptSig << Serialize(invalidAsScript);
@@ -140,8 +139,7 @@ BOOST_AUTO_TEST_CASE(norecurse)
 
     // Try to recur, and verification should succeed because
     // the inner HASH160 <> EQUAL should only check the hash:
-    CScript p2sh2;
-    p2sh2.SetDestination(p2sh.GetID());
+    CScript p2sh2 = GetScriptForDestination(p2sh.GetID());
     CScript scriptSig2;
     scriptSig2 << Serialize(invalidAsScript) << Serialize(p2sh);
 
@@ -163,15 +161,15 @@ BOOST_AUTO_TEST_CASE(set)
     }
 
     CScript inner[4];
-    inner[0].SetDestination(key[0].GetPubKey().GetID());
-    inner[1].SetMultisig(2, std::vector<CPubKey>(keys.begin(), keys.begin()+2));
-    inner[2].SetMultisig(1, std::vector<CPubKey>(keys.begin(), keys.begin()+2));
-    inner[3].SetMultisig(2, std::vector<CPubKey>(keys.begin(), keys.begin()+3));
+    inner[0] = GetScriptForDestination(key[0].GetPubKey().GetID());
+    inner[1] = GetScriptForMultisig(2, std::vector<CPubKey>(keys.begin(), keys.begin()+2));
+    inner[2] = GetScriptForMultisig(1, std::vector<CPubKey>(keys.begin(), keys.begin()+2));
+    inner[3] = GetScriptForMultisig(2, std::vector<CPubKey>(keys.begin(), keys.begin()+3));
 
     CScript outer[4];
     for (int i = 0; i < 4; i++)
     {
-        outer[i].SetDestination(inner[i].GetID());
+        outer[i] = GetScriptForDestination(inner[i].GetID());
         keystore.AddCScript(inner[i]);
     }
 
@@ -244,8 +242,7 @@ BOOST_AUTO_TEST_CASE(switchover)
     CScript scriptSig;
     scriptSig << Serialize(notValid);
 
-    CScript fund;
-    fund.SetDestination(notValid.GetID());
+    CScript fund = GetScriptForDestination(notValid.GetID());
 
 
     // Validation should succeed under old rules (hash is correct):
@@ -274,11 +271,11 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
     txFrom.vout.resize(7);
 
     // First three are standard:
-    CScript pay1; pay1.SetDestination(key[0].GetPubKey().GetID());
+    CScript pay1 = GetScriptForDestination(key[0].GetPubKey().GetID());
     keystore.AddCScript(pay1);
-    CScript pay1of3; pay1of3.SetMultisig(1, keys);
+    CScript pay1of3 = GetScriptForMultisig(1, keys);
 
-    txFrom.vout[0].scriptPubKey.SetDestination(pay1.GetID()); // P2SH (OP_CHECKSIG)
+    txFrom.vout[0].scriptPubKey = GetScriptForDestination(pay1.GetID()); // P2SH (OP_CHECKSIG)
     txFrom.vout[0].nValue = 1000;
     txFrom.vout[1].scriptPubKey = pay1; // ordinary OP_CHECKSIG
     txFrom.vout[1].nValue = 2000;
@@ -293,7 +290,7 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
     oneAndTwo << OP_2 << key[3].GetPubKey() << key[4].GetPubKey() << key[5].GetPubKey();
     oneAndTwo << OP_3 << OP_CHECKMULTISIG;
     keystore.AddCScript(oneAndTwo);
-    txFrom.vout[3].scriptPubKey.SetDestination(oneAndTwo.GetID());
+    txFrom.vout[3].scriptPubKey = GetScriptForDestination(oneAndTwo.GetID());
     txFrom.vout[3].nValue = 4000;
 
     // vout[4] is max sigops:
@@ -302,17 +299,17 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
         fifteenSigops << key[i%3].GetPubKey();
     fifteenSigops << OP_15 << OP_CHECKMULTISIG;
     keystore.AddCScript(fifteenSigops);
-    txFrom.vout[4].scriptPubKey.SetDestination(fifteenSigops.GetID());
+    txFrom.vout[4].scriptPubKey = GetScriptForDestination(fifteenSigops.GetID());
     txFrom.vout[4].nValue = 5000;
 
     // vout[5/6] are non-standard because they exceed MAX_P2SH_SIGOPS
     CScript sixteenSigops; sixteenSigops << OP_16 << OP_CHECKMULTISIG;
     keystore.AddCScript(sixteenSigops);
-    txFrom.vout[5].scriptPubKey.SetDestination(fifteenSigops.GetID());
+    txFrom.vout[5].scriptPubKey = GetScriptForDestination(fifteenSigops.GetID());
     txFrom.vout[5].nValue = 5000;
     CScript twentySigops; twentySigops << OP_CHECKMULTISIG;
     keystore.AddCScript(twentySigops);
-    txFrom.vout[6].scriptPubKey.SetDestination(twentySigops.GetID());
+    txFrom.vout[6].scriptPubKey = GetScriptForDestination(twentySigops.GetID());
     txFrom.vout[6].nValue = 6000;
 
 
@@ -320,7 +317,7 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
 
     CMutableTransaction txTo;
     txTo.vout.resize(1);
-    txTo.vout[0].scriptPubKey.SetDestination(key[1].GetPubKey().GetID());
+    txTo.vout[0].scriptPubKey = GetScriptForDestination(key[1].GetPubKey().GetID());
 
     txTo.vin.resize(5);
     for (int i = 0; i < 5; i++)
@@ -352,7 +349,7 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
 
     CMutableTransaction txToNonStd1;
     txToNonStd1.vout.resize(1);
-    txToNonStd1.vout[0].scriptPubKey.SetDestination(key[1].GetPubKey().GetID());
+    txToNonStd1.vout[0].scriptPubKey = GetScriptForDestination(key[1].GetPubKey().GetID());
     txToNonStd1.vout[0].nValue = 1000;
     txToNonStd1.vin.resize(1);
     txToNonStd1.vin[0].prevout.n = 5;
@@ -364,7 +361,7 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
 
     CMutableTransaction txToNonStd2;
     txToNonStd2.vout.resize(1);
-    txToNonStd2.vout[0].scriptPubKey.SetDestination(key[1].GetPubKey().GetID());
+    txToNonStd2.vout[0].scriptPubKey = GetScriptForDestination(key[1].GetPubKey().GetID());
     txToNonStd2.vout[0].nValue = 1000;
     txToNonStd2.vin.resize(1);
     txToNonStd2.vin[0].prevout.n = 6;

src/test/script_tests.cpp

@@ -280,7 +280,7 @@ BOOST_AUTO_TEST_CASE(script_combineSigs)
 
     CMutableTransaction txFrom;
     txFrom.vout.resize(1);
-    txFrom.vout[0].scriptPubKey.SetDestination(keys[0].GetPubKey().GetID());
+    txFrom.vout[0].scriptPubKey = GetScriptForDestination(keys[0].GetPubKey().GetID());
     CScript& scriptPubKey = txFrom.vout[0].scriptPubKey;
     CMutableTransaction txTo;
     txTo.vin.resize(1);
@@ -309,7 +309,7 @@ BOOST_AUTO_TEST_CASE(script_combineSigs)
     // P2SH, single-signature case:
     CScript pkSingle; pkSingle << keys[0].GetPubKey() << OP_CHECKSIG;
     keystore.AddCScript(pkSingle);
-    scriptPubKey.SetDestination(pkSingle.GetID());
+    scriptPubKey = GetScriptForDestination(pkSingle.GetID());
     SignSignature(keystore, txFrom, txTo, 0);
     combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSig, empty);
     BOOST_CHECK(combined == scriptSig);
@@ -327,7 +327,7 @@ BOOST_AUTO_TEST_CASE(script_combineSigs)
     BOOST_CHECK(combined == scriptSig);
 
     // Hardest case:  Multisig 2-of-3
-    scriptPubKey.SetMultisig(2, pubkeys);
+    scriptPubKey = GetScriptForMultisig(2, pubkeys);
     keystore.AddCScript(scriptPubKey);
     SignSignature(keystore, txFrom, txTo, 0);
     combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSig, empty);

src/test/sigopcount_tests.cpp

@@ -4,6 +4,7 @@
 
 #include "key.h"
 #include "script/script.h"
+#include "script/standard.h"
 #include "uint256.h"
 
 #include <vector>
@@ -37,8 +38,7 @@ BOOST_AUTO_TEST_CASE(GetSigOpCount)
     BOOST_CHECK_EQUAL(s1.GetSigOpCount(true), 3U);
     BOOST_CHECK_EQUAL(s1.GetSigOpCount(false), 21U);
 
-    CScript p2sh;
-    p2sh.SetDestination(s1.GetID());
+    CScript p2sh = GetScriptForDestination(s1.GetID());
     CScript scriptSig;
     scriptSig << OP_0 << Serialize(s1);
     BOOST_CHECK_EQUAL(p2sh.GetSigOpCount(scriptSig), 3U);
@@ -50,12 +50,11 @@ BOOST_AUTO_TEST_CASE(GetSigOpCount)
         k.MakeNewKey(true);
         keys.push_back(k.GetPubKey());
     }
-    CScript s2;
-    s2.SetMultisig(1, keys);
+    CScript s2 = GetScriptForMultisig(1, keys);
     BOOST_CHECK_EQUAL(s2.GetSigOpCount(true), 3U);
     BOOST_CHECK_EQUAL(s2.GetSigOpCount(false), 20U);
 
-    p2sh.SetDestination(s2.GetID());
+    p2sh = GetScriptForDestination(s2.GetID());
     BOOST_CHECK_EQUAL(p2sh.GetSigOpCount(true), 0U);
     BOOST_CHECK_EQUAL(p2sh.GetSigOpCount(false), 0U);
     CScript scriptSig2;

src/test/transaction_tests.cpp

@@ -248,9 +248,9 @@ SetupDummyInputs(CBasicKeyStore& keystoreRet, CCoinsView & coinsRet)
 
     dummyTransactions[1].vout.resize(2);
     dummyTransactions[1].vout[0].nValue = 21*CENT;
-    dummyTransactions[1].vout[0].scriptPubKey.SetDestination(key[2].GetPubKey().GetID());
+    dummyTransactions[1].vout[0].scriptPubKey = GetScriptForDestination(key[2].GetPubKey().GetID());
     dummyTransactions[1].vout[1].nValue = 22*CENT;
-    dummyTransactions[1].vout[1].scriptPubKey.SetDestination(key[3].GetPubKey().GetID());
+    dummyTransactions[1].vout[1].scriptPubKey = GetScriptForDestination(key[3].GetPubKey().GetID());
     coinsRet.SetCoins(dummyTransactions[1].GetHash(), CCoins(dummyTransactions[1], 0));
 
     return dummyTransactions;
@@ -307,7 +307,7 @@ BOOST_AUTO_TEST_CASE(test_IsStandard)
     t.vout[0].nValue = 90*CENT;
     CKey key;
     key.MakeNewKey(true);
-    t.vout[0].scriptPubKey.SetDestination(key.GetPubKey().GetID());
+    t.vout[0].scriptPubKey = GetScriptForDestination(key.GetPubKey().GetID());
 
     string reason;
     BOOST_CHECK(IsStandardTx(t, reason));

src/wallet.cpp

@@ -1385,7 +1385,7 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend,
 
                     // coin control: send change to custom address
                     if (coinControl && !boost::get<CNoDestination>(&coinControl->destChange))
-                        scriptChange.SetDestination(coinControl->destChange);
+                        scriptChange = GetScriptForDestination(coinControl->destChange);
 
                     // no coin control: send change to newly generated address
                     else
@@ -1403,7 +1403,7 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend,
                         ret = reservekey.GetReservedKey(vchPubKey);
                         assert(ret); // should never fail, as we just unlocked
 
-                        scriptChange.SetDestination(vchPubKey.GetID());
+                        scriptChange = GetScriptForDestination(vchPubKey.GetID());
                     }
 
                     CTxOut newTxOut(nChange, scriptChange);
@@ -1556,8 +1556,7 @@ string CWallet::SendMoney(const CTxDestination &address, int64_t nValue, CWallet
     }
 
     // Parse Bitcoin address
-    CScript scriptPubKey;
-    scriptPubKey.SetDestination(address);
+    CScript scriptPubKey = GetScriptForDestination(address);
 
     // Create and send the transaction
     CReserveKey reservekey(this);

src/wallet_ismine.cpp

@@ -29,8 +29,7 @@ unsigned int HaveKeys(const vector<valtype>& pubkeys, const CKeyStore& keystore)
 
 isminetype IsMine(const CKeyStore &keystore, const CTxDestination& dest)
 {
-    CScript script;
-    script.SetDestination(dest);
+    CScript script = GetScriptForDestination(dest);
     return IsMine(keystore, script);
 }
 

src/wallet_ismine.h

@@ -7,9 +7,10 @@
 #define H_BITCOIN_WALLET_ISMINE
 
 #include "key.h"
-#include "script/script.h"
+#include "script/standard.h"
 
 class CKeyStore;
+class CScript;
 
 /** IsMine() return codes */
 enum isminetype