Update License in File Headers
[novacoin.git] / src / bitcoinrpc.cpp
index 102fa14..71725ac 100644 (file)
@@ -1,7 +1,7 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
 #include "db.h"
@@ -9,9 +9,11 @@
 #include "init.h"
 #undef printf
 #include <boost/asio.hpp>
+#include <boost/filesystem.hpp>
 #include <boost/iostreams/concepts.hpp>
 #include <boost/iostreams/stream.hpp>
 #include <boost/algorithm/string.hpp>
+#include <boost/lexical_cast.hpp>
 #ifdef USE_SSL
 #include <boost/asio/ssl.hpp> 
 #include <boost/filesystem.hpp>
@@ -41,6 +43,8 @@ static std::string strRPCUserColonPass;
 static int64 nWalletUnlockTime;
 static CCriticalSection cs_nWalletUnlockTime;
 
+extern Value dumpprivkey(const Array& params, bool fHelp);
+extern Value importprivkey(const Array& params, bool fHelp);
 
 Object JSONRPCError(int code, const string& message)
 {
@@ -50,22 +54,35 @@ Object JSONRPCError(int code, const string& message)
     return error;
 }
 
-
-void PrintConsole(const std::string &format, ...)
+double GetDifficulty(const CBlockIndex* blockindex = NULL)
 {
-    char buffer[50000];
-    int limit = sizeof(buffer);
-    va_list arg_ptr;
-    va_start(arg_ptr, format);
-    int ret = _vsnprintf(buffer, limit, format.c_str(), arg_ptr);
-    va_end(arg_ptr);
-    if (ret < 0 || ret >= limit)
+    // Floating point number that is a multiple of the minimum difficulty,
+    // minimum difficulty = 1.0.
+    if (blockindex == NULL)
     {
-        ret = limit - 1;
-        buffer[limit-1] = 0;
+        if (pindexBest == NULL)
+            return 1.0;
+        else
+            blockindex = pindexBest;
+    }
+
+    int nShift = (blockindex->nBits >> 24) & 0xff;
+
+    double dDiff =
+        (double)0x0000ffff / (double)(blockindex->nBits & 0x00ffffff);
+
+    while (nShift < 29)
+    {
+        dDiff *= 256.0;
+        nShift++;
+    }
+    while (nShift > 29)
+    {
+        dDiff /= 256.0;
+        nShift--;
     }
-    printf("%s", buffer);
-    fprintf(stdout, "%s", buffer);
+
+    return dDiff;
 }
 
 
@@ -85,9 +102,26 @@ Value ValueFromAmount(int64 amount)
     return (double)amount / (double)COIN;
 }
 
+std::string
+HexBits(unsigned int nBits)
+{
+    union {
+        int32_t nBits;
+        char cBits[4];
+    } uBits;
+    uBits.nBits = htonl((int32_t)nBits);
+    return HexStr(BEGIN(uBits.cBits), END(uBits.cBits));
+}
+
 void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
 {
-    entry.push_back(Pair("confirmations", wtx.GetDepthInMainChain()));
+    int confirms = wtx.GetDepthInMainChain();
+    entry.push_back(Pair("confirmations", confirms));
+    if (confirms)
+    {
+        entry.push_back(Pair("blockhash", wtx.hashBlock.GetHex()));
+        entry.push_back(Pair("blockindex", wtx.nIndex));
+    }
     entry.push_back(Pair("txid", wtx.GetHash().GetHex()));
     entry.push_back(Pair("time", (boost::int64_t)wtx.GetTxTime()));
     BOOST_FOREACH(const PAIRTYPE(string,string)& item, wtx.mapValue)
@@ -102,6 +136,30 @@ string AccountFromValue(const Value& value)
     return strAccount;
 }
 
+Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
+{
+    Object result;
+    result.push_back(Pair("hash", block.GetHash().GetHex()));
+    result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK)));
+    result.push_back(Pair("height", blockindex->nHeight));
+    result.push_back(Pair("version", block.nVersion));
+    result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
+    result.push_back(Pair("time", (boost::int64_t)block.GetBlockTime()));
+    result.push_back(Pair("nonce", (boost::uint64_t)block.nNonce));
+    result.push_back(Pair("bits", HexBits(block.nBits)));
+    result.push_back(Pair("difficulty", GetDifficulty(blockindex)));
+    Array txhashes;
+    BOOST_FOREACH (const CTransaction&tx, block.vtx)
+        txhashes.push_back(tx.GetHash().GetHex());
+    result.push_back(Pair("tx", txhashes));
+
+    if (blockindex->pprev)
+        result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
+    if (blockindex->pnext)
+        result.push_back(Pair("nextblockhash", blockindex->pnext->GetBlockHash().GetHex()));
+    return result;
+}
+
 
 
 ///
@@ -145,7 +203,7 @@ Value help(const Array& params, bool fHelp)
             // Help text is returned in an exception
             string strHelp = string(e.what());
             if (strCommand == "")
-                if (strHelp.find('\n') != -1)
+                if (strHelp.find('\n') != string::npos)
                     strHelp = strHelp.substr(0, strHelp.find('\n'));
             strRet += strHelp + "\n";
         }
@@ -207,32 +265,6 @@ Value getconnectioncount(const Array& params, bool fHelp)
 }
 
 
-double GetDifficulty()
-{
-    // Floating point number that is a multiple of the minimum difficulty,
-    // minimum difficulty = 1.0.
-
-    if (pindexBest == NULL)
-        return 1.0;
-    int nShift = (pindexBest->nBits >> 24) & 0xff;
-
-    double dDiff =
-        (double)0x0000ffff / (double)(pindexBest->nBits & 0x00ffffff);
-
-    while (nShift < 29)
-    {
-        dDiff *= 256.0;
-        nShift++;
-    }
-    while (nShift > 29)
-    {
-        dDiff /= 256.0;
-        nShift--;
-    }
-
-    return dDiff;
-}
-
 Value getdifficulty(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() != 0)
@@ -251,7 +283,7 @@ Value getgenerate(const Array& params, bool fHelp)
             "getgenerate\n"
             "Returns true or false.");
 
-    return (bool)fGenerateBitcoins;
+    return GetBoolArg("-gen");
 }
 
 
@@ -270,13 +302,11 @@ Value setgenerate(const Array& params, bool fHelp)
     if (params.size() > 1)
     {
         int nGenProcLimit = params[1].get_int();
-        fLimitProcessors = (nGenProcLimit != -1);
-        WriteSetting("fLimitProcessors", fLimitProcessors);
-        if (nGenProcLimit != -1)
-            WriteSetting("nLimitProcessors", nLimitProcessors = nGenProcLimit);
+        mapArgs["-genproclimit"] = itostr(nGenProcLimit);
         if (nGenProcLimit == 0)
             fGenerate = false;
     }
+    mapArgs["-gen"] = (fGenerate ? "1" : "0");
 
     GenerateBitcoins(fGenerate, pwalletMain);
     return Value::null;
@@ -304,15 +334,14 @@ Value getinfo(const Array& params, bool fHelp)
             "Returns an object containing various state info.");
 
     Object obj;
-    obj.push_back(Pair("version",       (int)VERSION));
+    obj.push_back(Pair("version",       (int)CLIENT_VERSION));
+    obj.push_back(Pair("protocolversion",(int)PROTOCOL_VERSION));
+    obj.push_back(Pair("walletversion", pwalletMain->GetVersion()));
     obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
     obj.push_back(Pair("blocks",        (int)nBestHeight));
     obj.push_back(Pair("connections",   (int)vNodes.size()));
     obj.push_back(Pair("proxy",         (fUseProxy ? addrProxy.ToStringIPPort() : string())));
-    obj.push_back(Pair("generate",      (bool)fGenerateBitcoins));
-    obj.push_back(Pair("genproclimit",  (int)(fLimitProcessors ? nLimitProcessors : -1)));
     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
-    obj.push_back(Pair("hashespersec",  gethashespersec(params, false)));
     obj.push_back(Pair("testnet",       fTestNet));
     obj.push_back(Pair("keypoololdest", (boost::int64_t)pwalletMain->GetOldestKeyPoolTime()));
     obj.push_back(Pair("keypoolsize",   pwalletMain->GetKeyPoolSize()));
@@ -324,6 +353,28 @@ Value getinfo(const Array& params, bool fHelp)
 }
 
 
+Value getmininginfo(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 0)
+        throw runtime_error(
+            "getmininginfo\n"
+            "Returns an object containing mining-related information.");
+
+    Object obj;
+    obj.push_back(Pair("blocks",        (int)nBestHeight));
+    obj.push_back(Pair("currentblocksize",(uint64_t)nLastBlockSize));
+    obj.push_back(Pair("currentblocktx",(uint64_t)nLastBlockTx));
+    obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
+    obj.push_back(Pair("errors",        GetWarnings("statusbar")));
+    obj.push_back(Pair("generate",      GetBoolArg("-gen")));
+    obj.push_back(Pair("genproclimit",  (int)GetArg("-genproclimit", -1)));
+    obj.push_back(Pair("hashespersec",  gethashespersec(params, false)));
+    obj.push_back(Pair("pooledtx",      (uint64_t)nPooledTx));
+    obj.push_back(Pair("testnet",       fTestNet));
+    return obj;
+}
+
+
 Value getnewaddress(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() > 1)
@@ -532,8 +583,6 @@ Value sendtoaddress(const Array& params, bool fHelp)
     return wtx.GetHash().GetHex();
 }
 
-static const string strMessageMagic = "Bitcoin Signed Message:\n";
-
 Value signmessage(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() != 2)
@@ -595,7 +644,7 @@ Value verifymessage(const Array& params, bool fHelp)
     if (!key.SetCompactSignature(Hash(ss.begin(), ss.end()), vchSig))
         return false;
 
-    return (key.GetAddress() == addr);
+    return (CBitcoinAddress(key.GetPubKey()) == addr);
 }
 
 
@@ -662,7 +711,7 @@ Value getreceivedbyaccount(const Array& params, bool fHelp)
     if (params.size() > 1)
         nMinDepth = params[1].get_int();
 
-    // Get the set of pub keys that have the label
+    // Get the set of pub keys assigned to account
     string strAccount = AccountFromValue(params[0]);
     set<CBitcoinAddress> setAddress;
     GetAccountAddresses(strAccount, setAddress);
@@ -678,7 +727,7 @@ Value getreceivedbyaccount(const Array& params, bool fHelp)
         BOOST_FOREACH(const CTxOut& txout, wtx.vout)
         {
             CBitcoinAddress address;
-            if (ExtractAddress(txout.scriptPubKey, pwalletMain, address) && setAddress.count(address))
+            if (ExtractAddress(txout.scriptPubKey, address) && pwalletMain->HaveKey(address) && setAddress.count(address))
                 if (wtx.GetDepthInMainChain() >= nMinDepth)
                     nAmount += txout.nValue;
         }
@@ -753,8 +802,10 @@ Value getbalance(const Array& params, bool fHelp)
             list<pair<CBitcoinAddress, int64> > listSent;
             wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
             if (wtx.GetDepthInMainChain() >= nMinDepth)
+            {
                 BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listReceived)
                     nBalance += r.second;
+            }
             BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listSent)
                 nBalance -= r.second;
             nBalance -= allFee;
@@ -789,7 +840,8 @@ Value movecmd(const Array& params, bool fHelp)
         strComment = params[4].get_str();
 
     CWalletDB walletdb(pwalletMain->strWalletFile);
-    walletdb.TxnBegin();
+    if (!walletdb.TxnBegin())
+        throw JSONRPCError(-20, "database error");
 
     int64 nNow = GetAdjustedTime();
 
@@ -811,7 +863,8 @@ Value movecmd(const Array& params, bool fHelp)
     credit.strComment = strComment;
     walletdb.WriteAccountingEntry(credit);
 
-    walletdb.TxnCommit();
+    if (!walletdb.TxnCommit())
+        throw JSONRPCError(-20, "database error");
 
     return true;
 }
@@ -931,6 +984,81 @@ Value sendmany(const Array& params, bool fHelp)
     return wtx.GetHash().GetHex();
 }
 
+Value addmultisigaddress(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 2 || params.size() > 3)
+    {
+        string msg = "addmultisigaddress <nrequired> <'[\"key\",\"key\"]'> [account]\n"
+            "Add a nrequired-to-sign multisignature address to the wallet\"\n"
+            "each key is a bitcoin address or hex-encoded public key\n"
+            "If [account] is specified, assign address to [account].";
+        throw runtime_error(msg);
+    }
+    if (!fTestNet)
+        throw runtime_error("addmultisigaddress available only when running -testnet\n");
+
+    int nRequired = params[0].get_int();
+    const Array& keys = params[1].get_array();
+    string strAccount;
+    if (params.size() > 2)
+        strAccount = AccountFromValue(params[2]);
+
+    // Gather public keys
+    if (nRequired < 1)
+        throw runtime_error("a multisignature address must require at least one key to redeem");
+    if (keys.size() < nRequired)
+        throw runtime_error(
+            strprintf("not enough keys supplied "
+                      "(got %d keys, but need at least %d to redeem)", keys.size(), nRequired));
+    std::vector<CKey> pubkeys;
+    pubkeys.resize(keys.size());
+    for (unsigned int i = 0; i < keys.size(); i++)
+    {
+        const std::string& ks = keys[i].get_str();
+
+        // Case 1: bitcoin address and we have full public key:
+        CBitcoinAddress address(ks);
+        if (address.IsValid())
+        {
+            if (address.IsScript())
+                throw runtime_error(
+                    strprintf("%s is a pay-to-script address",ks.c_str()));
+            std::vector<unsigned char> vchPubKey;
+            if (!pwalletMain->GetPubKey(address, vchPubKey))
+                throw runtime_error(
+                    strprintf("no full public key for address %s",ks.c_str()));
+            if (vchPubKey.empty() || !pubkeys[i].SetPubKey(vchPubKey))
+                throw runtime_error(" Invalid public key: "+ks);
+        }
+
+        // Case 2: hex public key
+        else if (IsHex(ks))
+        {
+            vector<unsigned char> vchPubKey = ParseHex(ks);
+            if (vchPubKey.empty() || !pubkeys[i].SetPubKey(vchPubKey))
+                throw runtime_error(" Invalid public key: "+ks);
+        }
+        else
+        {
+            throw runtime_error(" Invalid public key: "+ks);
+        }
+    }
+
+    // Construct using pay-to-script-hash:
+    CScript inner;
+    inner.SetMultisig(nRequired, pubkeys);
+
+    uint160 scriptHash = Hash160(inner);
+    CScript scriptPubKey;
+    scriptPubKey.SetPayToScriptHash(inner);
+    pwalletMain->AddCScript(inner);
+    CBitcoinAddress address;
+    address.SetScriptHash160(scriptHash);
+
+    pwalletMain->SetAddressBookName(address, strAccount);
+    return address.ToString();
+}
+
 
 struct tallyitem
 {
@@ -939,7 +1067,7 @@ struct tallyitem
     tallyitem()
     {
         nAmount = 0;
-        nConf = INT_MAX;
+        nConf = std::numeric_limits<int>::max();
     }
 };
 
@@ -960,6 +1088,7 @@ Value ListReceived(const Array& params, bool fByAccounts)
     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
     {
         const CWalletTx& wtx = (*it).second;
+
         if (wtx.IsCoinBase() || !wtx.IsFinal())
             continue;
 
@@ -970,7 +1099,7 @@ Value ListReceived(const Array& params, bool fByAccounts)
         BOOST_FOREACH(const CTxOut& txout, wtx.vout)
         {
             CBitcoinAddress address;
-            if (!ExtractAddress(txout.scriptPubKey, pwalletMain, address) || !address.IsValid())
+            if (!ExtractAddress(txout.scriptPubKey, address) || !pwalletMain->HaveKey(address) || !address.IsValid())
                 continue;
 
             tallyitem& item = mapTally[address];
@@ -991,7 +1120,7 @@ Value ListReceived(const Array& params, bool fByAccounts)
             continue;
 
         int64 nAmount = 0;
-        int nConf = INT_MAX;
+        int nConf = std::numeric_limits<int>::max();
         if (it != mapTally.end())
         {
             nAmount = (*it).second.nAmount;
@@ -1010,7 +1139,7 @@ Value ListReceived(const Array& params, bool fByAccounts)
             obj.push_back(Pair("address",       address.ToString()));
             obj.push_back(Pair("account",       strAccount));
             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
-            obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
+            obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf)));
             ret.push_back(obj);
         }
     }
@@ -1024,7 +1153,7 @@ Value ListReceived(const Array& params, bool fByAccounts)
             Object obj;
             obj.push_back(Pair("account",       (*it).first));
             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
-            obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
+            obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf)));
             ret.push_back(obj);
         }
     }
@@ -1069,6 +1198,7 @@ void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDe
     string strSentAccount;
     list<pair<CBitcoinAddress, int64> > listReceived;
     list<pair<CBitcoinAddress, int64> > listSent;
+
     wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
 
     bool fAllAccounts = (strAccount == string("*"));
@@ -1112,6 +1242,7 @@ void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDe
 
     // Received
     if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
+    {
         BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& r, listReceived)
         {
             string account;
@@ -1129,6 +1260,7 @@ void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDe
                 ret.push_back(entry);
             }
         }
+    }
 }
 
 void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
@@ -1165,14 +1297,21 @@ Value listtransactions(const Array& params, bool fHelp)
     if (params.size() > 2)
         nFrom = params[2].get_int();
 
+    if (nCount < 0)
+        throw JSONRPCError(-8, "Negative count");
+    if (nFrom < 0)
+        throw JSONRPCError(-8, "Negative from");
+
     Array ret;
     CWalletDB walletdb(pwalletMain->strWalletFile);
 
-    // Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
+    // First: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap.
     typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
     typedef multimap<int64, TxPair > TxItems;
     TxItems txByTime;
 
+    // Note: maintaining indices in the database of (account,time) --> txid and (account, time) --> acentry
+    // would make this much faster for applications that do this a lot.
     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
     {
         CWalletTx* wtx = &((*it).second);
@@ -1185,10 +1324,8 @@ Value listtransactions(const Array& params, bool fHelp)
         txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
     }
 
-    // Now: iterate backwards until we have nCount items to return:
-    TxItems::reverse_iterator it = txByTime.rbegin();
-    if (txByTime.size() > nFrom) std::advance(it, nFrom);
-    for (; it != txByTime.rend(); ++it)
+    // iterate backwards until we have nCount items to return:
+    for (TxItems::reverse_iterator it = txByTime.rbegin(); it != txByTime.rend(); ++it)
     {
         CWalletTx *const pwtx = (*it).second.first;
         if (pwtx != 0)
@@ -1197,18 +1334,21 @@ Value listtransactions(const Array& params, bool fHelp)
         if (pacentry != 0)
             AcentryToJSON(*pacentry, strAccount, ret);
 
-        if (ret.size() >= nCount) break;
+        if (ret.size() >= (nCount+nFrom)) break;
     }
-    // ret is now newest to oldest
+    // ret is newest to oldest
     
-    // Make sure we return only last nCount items (sends-to-self might give us an extra):
-    if (ret.size() > nCount)
-    {
-        Array::iterator last = ret.begin();
-        std::advance(last, nCount);
-        ret.erase(last, ret.end());
-    }
-    std::reverse(ret.begin(), ret.end()); // oldest to newest
+    if (nFrom > ret.size()) nFrom = ret.size();
+    if (nFrom+nCount > ret.size()) nCount = ret.size()-nFrom;
+    Array::iterator first = ret.begin();
+    std::advance(first, nFrom);
+    Array::iterator last = ret.begin();
+    std::advance(last, nFrom+nCount);
+
+    if (last != ret.end()) ret.erase(last, ret.end());
+    if (first != ret.begin()) ret.erase(ret.begin(), first);
+
+    std::reverse(ret.begin(), ret.end()); // Return oldest to newest
 
     return ret;
 }
@@ -1268,8 +1408,8 @@ Value listsinceblock(const Array& params, bool fHelp)
 {
     if (fHelp)
         throw runtime_error(
-            "listsinceblock [blockid] [target-confirmations]\n"
-            "Get all transactions in blocks since block [blockid], or all transactions if omitted");
+            "listsinceblock [blockhash] [target-confirmations]\n"
+            "Get all transactions in blocks since block [blockhash], or all transactions if omitted");
 
     CBlockIndex *pindex = NULL;
     int target_confirms = 1;
@@ -1306,7 +1446,6 @@ Value listsinceblock(const Array& params, bool fHelp)
 
     if (target_confirms == 1)
     {
-        printf("oops!\n");
         lastblock = hashBestChain;
     }
     else
@@ -1597,14 +1736,42 @@ Value validateaddress(const Array& params, bool fHelp)
         // version of the address:
         string currentAddress = address.ToString();
         ret.push_back(Pair("address", currentAddress));
-        ret.push_back(Pair("ismine", (pwalletMain->HaveKey(address) > 0)));
+        if (pwalletMain->HaveKey(address))
+        {
+            ret.push_back(Pair("ismine", true));
+            std::vector<unsigned char> vchPubKey;
+            pwalletMain->GetPubKey(address, vchPubKey);
+            ret.push_back(Pair("pubkey", HexStr(vchPubKey)));
+            CKey key;
+            key.SetPubKey(vchPubKey);
+            ret.push_back(Pair("iscompressed", key.IsCompressed()));
+        }
+        else if (pwalletMain->HaveCScript(address.GetHash160()))
+        {
+            ret.push_back(Pair("isscript", true));
+            CScript subscript;
+            pwalletMain->GetCScript(address.GetHash160(), subscript);
+            ret.push_back(Pair("ismine", ::IsMine(*pwalletMain, subscript)));
+            std::vector<CBitcoinAddress> addresses;
+            txnouttype whichType;
+            int nRequired;
+            ExtractAddresses(subscript, whichType, addresses, nRequired);
+            ret.push_back(Pair("script", GetTxnOutputType(whichType)));
+            Array a;
+            BOOST_FOREACH(const CBitcoinAddress& addr, addresses)
+                a.push_back(addr.ToString());
+            ret.push_back(Pair("addresses", a));
+            if (whichType == TX_MULTISIG)
+                ret.push_back(Pair("sigsrequired", nRequired));
+        }
+        else
+            ret.push_back(Pair("ismine", false));
         if (pwalletMain->mapAddressBook.count(address))
             ret.push_back(Pair("account", pwalletMain->mapAddressBook[address]));
     }
     return ret;
 }
 
-
 Value getwork(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() > 1)
@@ -1720,7 +1887,10 @@ Value getmemorypool(const Array& params, bool fHelp)
             "  \"previousblockhash\" : hash of current highest block\n"
             "  \"transactions\" : contents of non-coinbase transactions that should be included in the next block\n"
             "  \"coinbasevalue\" : maximum allowable input to coinbase transaction, including the generation award and transaction fees\n"
+            "  \"coinbaseflags\" : data that should be included in coinbase so support for new features can be judged\n"
             "  \"time\" : timestamp appropriate for next block\n"
+            "  \"mintime\" : minimum timestamp appropriate for next block\n"
+            "  \"curtime\" : current timestamp\n"
             "  \"bits\" : compressed target of next block\n"
             "If [data] is specified, tries to solve the block and returns true if it was successful.");
 
@@ -1774,14 +1944,11 @@ Value getmemorypool(const Array& params, bool fHelp)
         result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex()));
         result.push_back(Pair("transactions", transactions));
         result.push_back(Pair("coinbasevalue", (int64_t)pblock->vtx[0].vout[0].nValue));
+        result.push_back(Pair("coinbaseflags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end())));
         result.push_back(Pair("time", (int64_t)pblock->nTime));
-
-        union {
-            int32_t nBits;
-            char cBits[4];
-        } uBits;
-        uBits.nBits = htonl((int32_t)pblock->nBits);
-        result.push_back(Pair("bits", HexStr(BEGIN(uBits.cBits), END(uBits.cBits))));
+        result.push_back(Pair("mintime", (int64_t)pindexPrev->GetMedianTimePast()+1));
+        result.push_back(Pair("curtime", (int64_t)GetAdjustedTime()));
+        result.push_back(Pair("bits", HexBits(pblock->nBits)));
 
         return result;
     }
@@ -1796,6 +1963,44 @@ Value getmemorypool(const Array& params, bool fHelp)
     }
 }
 
+Value getblockhash(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "getblockhash <index>\n"
+            "Returns hash of block in best-block-chain at <index>.");
+
+    int nHeight = params[0].get_int();
+    if (nHeight < 0 || nHeight > nBestHeight)
+        throw runtime_error("Block number out of range.");
+
+    CBlock block;
+    CBlockIndex* pblockindex = mapBlockIndex[hashBestChain];
+    while (pblockindex->nHeight > nHeight)
+        pblockindex = pblockindex->pprev;
+    return pblockindex->phashBlock->GetHex();
+}
+
+Value getblock(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "getblock <hash>\n"
+            "Returns details of a block with given block-hash.");
+
+    std::string strHash = params[0].get_str();
+    uint256 hash(strHash);
+
+    if (mapBlockIndex.count(hash) == 0)
+        throw JSONRPCError(-5, "Block not found");
+
+    CBlock block;
+    CBlockIndex* pblockindex = mapBlockIndex[hash];
+    block.ReadFromDisk(pblockindex, true);
+
+    return blockToJSON(block, pblockindex);
+}
+
 
 
 
@@ -1822,6 +2027,7 @@ pair<string, rpcfn_type> pCallTable[] =
     make_pair("setgenerate",            &setgenerate),
     make_pair("gethashespersec",        &gethashespersec),
     make_pair("getinfo",                &getinfo),
+    make_pair("getmininginfo",          &getmininginfo),
     make_pair("getnewaddress",          &getnewaddress),
     make_pair("getaccountaddress",      &getaccountaddress),
     make_pair("setaccount",             &setaccount),
@@ -1843,15 +2049,20 @@ pair<string, rpcfn_type> pCallTable[] =
     make_pair("move",                   &movecmd),
     make_pair("sendfrom",               &sendfrom),
     make_pair("sendmany",               &sendmany),
+    make_pair("addmultisigaddress",     &addmultisigaddress),
+    make_pair("getblock",               &getblock),
+    make_pair("getblockhash",           &getblockhash),
     make_pair("gettransaction",         &gettransaction),
     make_pair("listtransactions",       &listtransactions),
-    make_pair("signmessage",           &signmessage),
-    make_pair("verifymessage",         &verifymessage),
+    make_pair("signmessage",            &signmessage),
+    make_pair("verifymessage",          &verifymessage),
     make_pair("getwork",                &getwork),
     make_pair("listaccounts",           &listaccounts),
     make_pair("settxfee",               &settxfee),
     make_pair("getmemorypool",          &getmemorypool),
-    make_pair("listsinceblock",        &listsinceblock),
+    make_pair("listsinceblock",         &listsinceblock),
+    make_pair("dumpprivkey",            &dumpprivkey),
+    make_pair("importprivkey",          &importprivkey)
 };
 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
 
@@ -1867,6 +2078,7 @@ string pAllowInSafeMode[] =
     "setgenerate",
     "gethashespersec",
     "getinfo",
+    "getmininginfo",
     "getnewaddress",
     "getaccountaddress",
     "getaccount",
@@ -2146,26 +2358,30 @@ void ThreadRPCServer(void* parg)
     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
     try
     {
-        vnThreadsRunning[4]++;
+        vnThreadsRunning[THREAD_RPCSERVER]++;
         ThreadRPCServer2(parg);
-        vnThreadsRunning[4]--;
+        vnThreadsRunning[THREAD_RPCSERVER]--;
     }
     catch (std::exception& e) {
-        vnThreadsRunning[4]--;
+        vnThreadsRunning[THREAD_RPCSERVER]--;
         PrintException(&e, "ThreadRPCServer()");
     } catch (...) {
-        vnThreadsRunning[4]--;
+        vnThreadsRunning[THREAD_RPCSERVER]--;
         PrintException(NULL, "ThreadRPCServer()");
     }
     printf("ThreadRPCServer exiting\n");
 }
 
+#ifdef QT_GUI
+extern bool HACK_SHUTDOWN;
+#endif
+
 void ThreadRPCServer2(void* parg)
 {
     printf("ThreadRPCServer started\n");
 
     strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
-    if (strRPCUserColonPass == ":")
+    if (mapArgs["-rpcpassword"] == "")
     {
         unsigned char rand_pwd[32];
         RAND_bytes(rand_pwd, 32);
@@ -2174,8 +2390,8 @@ void ThreadRPCServer2(void* parg)
             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
         else if (mapArgs.count("-daemon"))
             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
-        PrintConsole(
-            _("Error: %s, you must set a rpcpassword in the configuration file:\n %s\n"
+        ThreadSafeMessageBox(strprintf(
+            _("%s, you must set a rpcpassword in the configuration file:\n %s\n"
               "It is recommended you use the following random password:\n"
               "rpcuser=bitcoinrpc\n"
               "rpcpassword=%s\n"
@@ -2183,7 +2399,8 @@ void ThreadRPCServer2(void* parg)
               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
                 strWhatAmI.c_str(),
                 GetConfigFile().c_str(),
-                EncodeBase58(&rand_pwd[0],&rand_pwd[0]+32).c_str());
+                EncodeBase58(&rand_pwd[0],&rand_pwd[0]+32).c_str()),
+            _("Error"), wxOK | wxMODAL);
 #ifndef QT_GUI
         CreateThread(Shutdown, NULL);
 #endif
@@ -2195,9 +2412,27 @@ void ThreadRPCServer2(void* parg)
 
     asio::io_service io_service;
     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
+#ifndef QT_GUI
     ip::tcp::acceptor acceptor(io_service, endpoint);
 
     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
+#else
+    ip::tcp::acceptor acceptor(io_service);
+    try
+    {
+        acceptor.open(endpoint.protocol());
+        acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
+        acceptor.bind(endpoint);
+        acceptor.listen(socket_base::max_connections);
+    }
+    catch(boost::system::system_error &e)
+    {
+        HACK_SHUTDOWN = true;
+        ThreadSafeMessageBox(strprintf(_("An error occured while setting up the RPC port %i for listening: %s"), endpoint.port(), e.what()),
+                             _("Error"), wxOK | wxMODAL);
+        return;
+    }
+#endif
 
 #ifdef USE_SSL
     ssl::context context(io_service, ssl::context::sslv23);
@@ -2234,7 +2469,7 @@ void ThreadRPCServer2(void* parg)
 #endif
 
         ip::tcp::endpoint peer;
-        vnThreadsRunning[4]--;
+        vnThreadsRunning[THREAD_RPCSERVER]--;
 #ifdef USE_SSL
         acceptor.accept(sslStream.lowest_layer(), peer);
 #else
@@ -2475,6 +2710,7 @@ int CommandLineRPC(int argc, char *argv[])
         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
+        if (strMethod == "getblockhash"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
@@ -2493,6 +2729,15 @@ int CommandLineRPC(int argc, char *argv[])
             params[1] = v.get_obj();
         }
         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
+        if (strMethod == "addmultisigaddress"      && n > 0) ConvertTo<boost::int64_t>(params[0]);
+        if (strMethod == "addmultisigaddress"      && n > 1)
+        {
+            string s = params[1].get_str();
+            Value v;
+            if (!read_string(s, v) || v.type() != array_type)
+                throw runtime_error("type mismatch "+s);
+            params[1] = v.get_array();
+        }
 
         // Execute
         Object reply = CallRPC(strMethod, params);