Replace boost::variant with std::variant
[novacoin.git] / src / rpcrawtransaction.cpp
index bc791d4..0b29059 100644 (file)
@@ -3,11 +3,9 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <boost/assign/list_of.hpp>
-
 #include "base58.h"
 #include "bitcoinrpc.h"
-#include "txdb.h"
+#include "txdb-leveldb.h"
 #include "init.h"
 #include "main.h"
 #include "net.h"
@@ -15,7 +13,6 @@
 
 using namespace std;
 using namespace boost;
-using namespace boost::assign;
 using namespace json_spirit;
 
 void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out, bool fIncludeHex)
@@ -35,23 +32,44 @@ void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out, bool fIncludeH
         return;
     }
 
-    out.push_back(Pair("reqSigs", nRequired));
-    out.push_back(Pair("type", GetTxnOutputType(type)));
+    if (type != TX_NULL_DATA)
+    {
+        out.push_back(Pair("reqSigs", nRequired));
+        out.push_back(Pair("type", GetTxnOutputType(type)));
 
-    Array a;
-    BOOST_FOREACH(const CTxDestination& addr, addresses)
-        a.push_back(CBitcoinAddress(addr).ToString());
-    out.push_back(Pair("addresses", a));
+        if (type == TX_PUBKEY_DROP)
+        {
+            vector<valtype> vSolutions;
+            Solver(scriptPubKey, type, vSolutions);
+            out.push_back(Pair("keyVariant", HexStr(vSolutions[0])));
+            out.push_back(Pair("R", HexStr(vSolutions[1])));
+
+            CMalleableKeyView view;
+            if (pwalletMain->CheckOwnership(CPubKey(vSolutions[0]), CPubKey(vSolutions[1]), view))
+                out.push_back(Pair("pubkeyPair", CBitcoinAddress(view.GetMalleablePubKey()).ToString()));
+        }
+        else
+        {
+            Array a;
+            for (const CTxDestination& addr : addresses)
+                a.push_back(CBitcoinAddress(addr).ToString());
+            out.push_back(Pair("addresses", a));
+        }
+    }
+    else
+    {
+        out.push_back(Pair("type", GetTxnOutputType(type)));
+    }
 }
 
-void TxToJSON(const CTransaction& tx, const uint256 hashBlock, Object& entry)
+void TxToJSON(const CTransaction& tx, const uint256& hashBlock, Object& entry)
 {
     entry.push_back(Pair("txid", tx.GetHash().GetHex()));
     entry.push_back(Pair("version", tx.nVersion));
-    entry.push_back(Pair("time", (boost::int64_t)tx.nTime));
-    entry.push_back(Pair("locktime", (boost::int64_t)tx.nLockTime));
+    entry.push_back(Pair("time", (int64_t)tx.nTime));
+    entry.push_back(Pair("locktime", (int64_t)tx.nLockTime));
     Array vin;
-    BOOST_FOREACH(const CTxIn& txin, tx.vin)
+    for (const CTxIn& txin : tx.vin)
     {
         Object in;
         if (tx.IsCoinBase())
@@ -59,13 +77,13 @@ void TxToJSON(const CTransaction& tx, const uint256 hashBlock, Object& entry)
         else
         {
             in.push_back(Pair("txid", txin.prevout.hash.GetHex()));
-            in.push_back(Pair("vout", (boost::int64_t)txin.prevout.n));
+            in.push_back(Pair("vout", (int64_t)txin.prevout.n));
             Object o;
             o.push_back(Pair("asm", txin.scriptSig.ToString()));
             o.push_back(Pair("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
             in.push_back(Pair("scriptSig", o));
         }
-        in.push_back(Pair("sequence", (boost::int64_t)txin.nSequence));
+        in.push_back(Pair("sequence", (int64_t)txin.nSequence));
         vin.push_back(in);
     }
     entry.push_back(Pair("vin", vin));
@@ -75,9 +93,9 @@ void TxToJSON(const CTransaction& tx, const uint256 hashBlock, Object& entry)
         const CTxOut& txout = tx.vout[i];
         Object out;
         out.push_back(Pair("value", ValueFromAmount(txout.nValue)));
-        out.push_back(Pair("n", (boost::int64_t)i));
+        out.push_back(Pair("n", (int64_t)i));
         Object o;
-        ScriptPubKeyToJSON(txout.scriptPubKey, o, false);
+        ScriptPubKeyToJSON(txout.scriptPubKey, o, true);
         out.push_back(Pair("scriptPubKey", o));
         vout.push_back(out);
     }
@@ -93,8 +111,8 @@ void TxToJSON(const CTransaction& tx, const uint256 hashBlock, Object& entry)
             if (pindex->IsInMainChain())
             {
                 entry.push_back(Pair("confirmations", 1 + nBestHeight - pindex->nHeight));
-                entry.push_back(Pair("time", (boost::int64_t)pindex->nTime));
-                entry.push_back(Pair("blocktime", (boost::int64_t)pindex->nTime));
+                entry.push_back(Pair("time", (int64_t)pindex->nTime));
+                entry.push_back(Pair("blocktime", (int64_t)pindex->nTime));
             }
             else
                 entry.push_back(Pair("confirmations", 0));
@@ -148,7 +166,7 @@ Value listunspent(const Array& params, bool fHelp)
             "Results are an array of Objects, each of which has:\n"
             "{txid, vout, scriptPubKey, amount, confirmations}");
 
-    RPCTypeCheck(params, list_of(int_type)(int_type)(array_type));
+    RPCTypeCheck(params, {int_type, int_type, array_type});
 
     int nMinDepth = 1;
     if (params.size() > 0)
@@ -162,7 +180,7 @@ Value listunspent(const Array& params, bool fHelp)
     if (params.size() > 2)
     {
         Array inputs = params[2].get_array();
-        BOOST_FOREACH(Value& input, inputs)
+        for (Value& input : inputs)
         {
             CBitcoinAddress address(input.get_str());
             if (!address.IsValid())
@@ -176,7 +194,7 @@ Value listunspent(const Array& params, bool fHelp)
     Array results;
     vector<COutput> vecOutputs;
     pwalletMain->AvailableCoins(vecOutputs, false);
-    BOOST_FOREACH(const COutput& out, vecOutputs)
+    for (const COutput& out : vecOutputs)
     {
         if (out.nDepth < nMinDepth || out.nDepth > nMaxDepth)
             continue;
@@ -209,7 +227,7 @@ Value listunspent(const Array& params, bool fHelp)
             CTxDestination address;
             if (ExtractDestination(pk, address))
             {
-                const CScriptID& hash = boost::get<const CScriptID&>(address);
+                const CScriptID& hash = std::get<CScriptID>(address);
                 CScript redeemScript;
                 if (pwalletMain->GetCScript(hash, redeemScript))
                     entry.push_back(Pair("redeemScript", HexStr(redeemScript.begin(), redeemScript.end())));
@@ -226,24 +244,25 @@ Value listunspent(const Array& params, bool fHelp)
 
 Value createrawtransaction(const Array& params, bool fHelp)
 {
-    if (fHelp || params.size() != 2)
+    if (fHelp || params.size() > 3 || params.size() < 2)
         throw runtime_error(
-            "createrawtransaction [{\"txid\":txid,\"vout\":n},...] {address:amount,...}\n"
+            "createrawtransaction <'[{\"txid\":txid,\"vout\":n},...]'> <'{address:amount,...}'> [hex data]\n"
             "Create a transaction spending given inputs\n"
             "(array of objects containing transaction id and output number),\n"
-            "sending to given address(es).\n"
+            "sending to given address(es),\n"
+            "optional data to add into data-carrying output.\n"
             "Returns hex-encoded raw transaction.\n"
             "Note that the transaction's inputs are not signed, and\n"
             "it is not stored in the wallet or transmitted to the network.");
 
-    RPCTypeCheck(params, list_of(array_type)(obj_type));
+    RPCTypeCheck(params, {array_type, obj_type});
 
     Array inputs = params[0].get_array();
     Object sendTo = params[1].get_obj();
 
     CTransaction rawTx;
 
-    BOOST_FOREACH(Value& input, inputs)
+    for (Value& input : inputs)
     {
         const Object& o = input.get_obj();
 
@@ -266,24 +285,42 @@ Value createrawtransaction(const Array& params, bool fHelp)
     }
 
     set<CBitcoinAddress> setAddress;
-    BOOST_FOREACH(const Pair& s, sendTo)
+    for (const Pair& s : sendTo)
     {
+        // Create output destination script
+        CScript scriptPubKey;
         CBitcoinAddress address(s.name_);
-        if (!address.IsValid())
-            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid NovaCoin address: ")+s.name_);
 
-        if (setAddress.count(address))
-            throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+s.name_);
-        setAddress.insert(address);
+        if (address.IsValid())
+        {
+            scriptPubKey.SetAddress(address);
+
+            // Don't perform duplication checking for pubkey-pair addresses
+            if (!address.IsPair())
+            {
+                if (setAddress.count(address))
+                    throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+s.name_);
+                setAddress.insert(address);
+            }
+        }
+        else
+            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid output destination: ")+s.name_);
 
-        CScript scriptPubKey;
-        scriptPubKey.SetDestination(address.Get());
         int64_t nAmount = AmountFromValue(s.value_);
 
         CTxOut out(nAmount, scriptPubKey);
         rawTx.vout.push_back(out);
     }
 
+    if (params.size() == 3)
+    {
+        // Data carrying output
+        CScript scriptPubKey;
+        scriptPubKey << OP_RETURN << ParseHex(params[2].get_str());
+        CTxOut out(0, scriptPubKey);
+        rawTx.vout.push_back(out);
+    }
+
     CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
     ss << rawTx;
     return HexStr(ss.begin(), ss.end());
@@ -296,7 +333,7 @@ Value decoderawtransaction(const Array& params, bool fHelp)
             "decoderawtransaction <hex string>\n"
             "Return a JSON object representing the serialized, hex-encoded transaction.");
 
-    RPCTypeCheck(params, list_of(str_type));
+    RPCTypeCheck(params, {str_type});
 
     vector<unsigned char> txData(ParseHex(params[0].get_str()));
     CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
@@ -304,7 +341,7 @@ Value decoderawtransaction(const Array& params, bool fHelp)
     try {
         ssData >> tx;
     }
-    catch (std::exception &e) {
+    catch (const std::exception&) {
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     }
 
@@ -321,7 +358,7 @@ Value decodescript(const Array& params, bool fHelp)
             "decodescript <hex string>\n"
             "Decode a hex-encoded script.");
 
-    RPCTypeCheck(params, list_of(str_type));
+    RPCTypeCheck(params, {str_type});
 
     Object r;
     CScript script;
@@ -341,7 +378,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() < 1 || params.size() > 4)
         throw runtime_error(
-            "signrawtransaction <hex string> [{\"txid\":txid,\"vout\":n,\"scriptPubKey\":hex,\"redeemScript\":hex},...] [<privatekey1>,...] [sighashtype=\"ALL\"]\n"
+            "signrawtransaction <hex string> '[{\"txid\":txid,\"vout\":n,\"scriptPubKey\":hex,\"redeemScript\":hex},...]' '[<privatekey1>,...]' [sighashtype=\"ALL\"]\n"
             "Sign inputs for raw transaction (serialized, hex-encoded).\n"
             "Second optional argument (may be null) is an array of previous transaction outputs that\n"
             "this transaction depends on but may not yet be in the blockchain.\n"
@@ -354,7 +391,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
             "  complete : 1 if transaction has a complete set of signature (0 if not)"
             + HelpRequiringPassphrase());
 
-    RPCTypeCheck(params, list_of(str_type)(array_type)(array_type)(str_type), true);
+    RPCTypeCheck(params, {str_type, array_type, array_type, str_type}, true);
 
     vector<unsigned char> txData(ParseHex(params[0].get_str()));
     CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
@@ -366,7 +403,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
             ssData >> tx;
             txVariants.push_back(tx);
         }
-        catch (std::exception &e) {
+        catch (const std::exception&) {
             throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
         }
     }
@@ -394,7 +431,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
         tempTx.FetchInputs(txdb, unused, false, false, mapPrevTx, fInvalid);
 
         // Copy results into mapPrevOut:
-        BOOST_FOREACH(const CTxIn& txin, tempTx.vin)
+        for (const CTxIn& txin : tempTx.vin)
         {
             const uint256& prevHash = txin.prevout.hash;
             if (mapPrevTx.count(prevHash) && mapPrevTx[prevHash].second.vout.size()>txin.prevout.n)
@@ -408,7 +445,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
     {
         fGivenKeys = true;
         Array keys = params[2].get_array();
-        BOOST_FOREACH(Value k, keys)
+        for (Value k : keys)
         {
             CBitcoinSecret vchSecret;
             bool fGood = vchSecret.SetString(k.get_str());
@@ -428,14 +465,14 @@ Value signrawtransaction(const Array& params, bool fHelp)
     if (params.size() > 1 && params[1].type() != null_type)
     {
         Array prevTxs = params[1].get_array();
-        BOOST_FOREACH(Value& p, prevTxs)
+        for (Value& p : prevTxs)
         {
             if (p.type() != obj_type)
                 throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "expected object with {\"txid'\",\"vout\",\"scriptPubKey\"}");
 
             Object prevOut = p.get_obj();
 
-            RPCTypeCheck(prevOut, map_list_of("txid", str_type)("vout", int_type)("scriptPubKey", str_type));
+            RPCTypeCheck(prevOut, {{"txid", str_type}, {"vout", int_type}, {"scriptPubKey", str_type}});
 
             string txidHex = find_value(prevOut, "txid").get_str();
             if (!IsHex(txidHex))
@@ -473,7 +510,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
             Value v = find_value(prevOut, "redeemScript");
             if (fGivenKeys && scriptPubKey.IsPayToScriptHash())
             {
-                RPCTypeCheck(prevOut, map_list_of("txid", str_type)("vout", int_type)("scriptPubKey", str_type)("redeemScript",str_type));
+                RPCTypeCheck(prevOut, {{"txid", str_type}, {"vout", int_type}, {"scriptPubKey", str_type}, {"redeemScript",str_type}});
                 Value v = find_value(prevOut, "redeemScript");
                 if (!(v == Value::null))
                 {
@@ -491,14 +528,14 @@ Value signrawtransaction(const Array& params, bool fHelp)
     if (params.size() > 3 && params[3].type() != null_type)
     {
         static map<string, int> mapSigHashValues =
-            boost::assign::map_list_of
-            (string("ALL"), int(SIGHASH_ALL))
-            (string("ALL|ANYONECANPAY"), int(SIGHASH_ALL|SIGHASH_ANYONECANPAY))
-            (string("NONE"), int(SIGHASH_NONE))
-            (string("NONE|ANYONECANPAY"), int(SIGHASH_NONE|SIGHASH_ANYONECANPAY))
-            (string("SINGLE"), int(SIGHASH_SINGLE))
-            (string("SINGLE|ANYONECANPAY"), int(SIGHASH_SINGLE|SIGHASH_ANYONECANPAY))
-            ;
+        {
+            {"ALL", SIGHASH_ALL},
+            {"ALL|ANYONECANPAY", SIGHASH_ALL|SIGHASH_ANYONECANPAY},
+            {"NONE", SIGHASH_NONE},
+            {"NONE|ANYONECANPAY", SIGHASH_NONE|SIGHASH_ANYONECANPAY},
+            {"SINGLE", SIGHASH_SINGLE},
+            {"SINGLE|ANYONECANPAY", SIGHASH_SINGLE|SIGHASH_ANYONECANPAY}
+        };
         string strHashType = params[3].get_str();
         if (mapSigHashValues.count(strHashType))
             nHashType = mapSigHashValues[strHashType];
@@ -525,7 +562,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
             SignSignature(keystore, prevPubKey, mergedTx, i, nHashType);
 
         // ... and merge in other signatures:
-        BOOST_FOREACH(const CTransaction& txv, txVariants)
+        for (const CTransaction& txv : txVariants)
         {
             txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
         }
@@ -549,7 +586,7 @@ Value sendrawtransaction(const Array& params, bool fHelp)
             "sendrawtransaction <hex string>\n"
             "Submits raw transaction (serialized, hex-encoded) to local node and network.");
 
-    RPCTypeCheck(params, list_of(str_type));
+    RPCTypeCheck(params, {str_type});
 
     // parse hex string from parameter
     vector<unsigned char> txData(ParseHex(params[0].get_str()));
@@ -560,7 +597,7 @@ Value sendrawtransaction(const Array& params, bool fHelp)
     try {
         ssData >> tx;
     }
-    catch (std::exception &e) {
+    catch (const std::exception&) {
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     }
     uint256 hashTx = tx.GetHash();
@@ -602,7 +639,6 @@ Value createmultisig(const Array& params, bool fHelp)
 
     int nRequired = params[0].get_int();
     const Array& keys = params[1].get_array();
-    string strAccount;
 
     // Gather public keys
     if (nRequired < 1)
@@ -611,7 +647,9 @@ Value createmultisig(const Array& params, bool fHelp)
         throw runtime_error(
             strprintf("not enough keys supplied "
                       "(got %" PRIszu " keys, but need at least %d to redeem)", keys.size(), nRequired));
-    std::vector<CKey> pubkeys;
+    if (keys.size() > 16)
+        throw runtime_error("Number of addresses involved in the multisignature address creation > 16\nReduce the number");
+    std::vector<CPubKey> pubkeys;
     pubkeys.resize(keys.size());
     for (unsigned int i = 0; i < keys.size(); i++)
     {
@@ -629,16 +667,18 @@ Value createmultisig(const Array& params, bool fHelp)
             if (!pwalletMain->GetPubKey(keyID, vchPubKey))
                 throw runtime_error(
                     strprintf("no full public key for address %s",ks.c_str()));
-            if (!vchPubKey.IsValid() || !pubkeys[i].SetPubKey(vchPubKey))
+            if (!vchPubKey.IsFullyValid())
                 throw runtime_error(" Invalid public key: "+ks);
+            pubkeys[i] = vchPubKey;
         }
 
         // Case 2: hex public key
         else if (IsHex(ks))
         {
             CPubKey vchPubKey(ParseHex(ks));
-            if (!vchPubKey.IsValid() || !pubkeys[i].SetPubKey(vchPubKey))
+            if (!vchPubKey.IsFullyValid())
                 throw runtime_error(" Invalid public key: "+ks);
+            pubkeys[i] = vchPubKey;
         }
         else
         {
@@ -650,6 +690,10 @@ Value createmultisig(const Array& params, bool fHelp)
     CScript inner;
     inner.SetMultisig(nRequired, pubkeys);
 
+    if (inner.size() > MAX_SCRIPT_ELEMENT_SIZE)
+        throw runtime_error(
+            strprintf("redeemScript exceeds size limit: %" PRIszu " > %d", inner.size(), MAX_SCRIPT_ELEMENT_SIZE));
+
     CScriptID innerID = inner.GetID();
     CBitcoinAddress address(innerID);