Merge pull request #1693 from jgarzik/rpcwallet

Move code to new modules rpcwallet.cpp, rpcblockchain.cpp

11 files changed, 1704 insertions, 1634 deletions

diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index 554b5ba9fb..ed84cbd03c 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -210,6 +210,8 @@ SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \
     src/rpcdump.cpp \
     src/rpcnet.cpp \
     src/rpcmining.cpp \
+    src/rpcwallet.cpp \
+    src/rpcblockchain.cpp \
     src/rpcrawtransaction.cpp \
     src/qt/overviewpage.cpp \
     src/qt/csvmodelwriter.cpp \
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index 994d4ffa2a..8991de7dea 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -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 "main.h"
-#include "wallet.h"
-#include "walletdb.h"
-#include "net.h"
 #include "init.h"
+#include "util.h"
+#include "sync.h"
 #include "ui_interface.h"
 #include "base58.h"
 #include "bitcoinrpc.h"
@@ -38,29 +36,6 @@ void ThreadRPCServer2(void* parg);
 
 static std::string strRPCUserColonPass;
 
-static int64 nWalletUnlockTime;
-static CCriticalSection cs_nWalletUnlockTime;
-
-extern Value getconnectioncount(const Array& params, bool fHelp); // in rpcnet.cpp
-extern Value getpeerinfo(const Array& params, bool fHelp);
-extern Value dumpprivkey(const Array& params, bool fHelp); // in rpcdump.cpp
-extern Value importprivkey(const Array& params, bool fHelp);
-
-extern Value getgenerate(const Array& params, bool fHelp); // in rpcmining.cpp
-extern Value setgenerate(const Array& params, bool fHelp);
-extern Value gethashespersec(const Array& params, bool fHelp);
-extern Value getmininginfo(const Array& params, bool fHelp);
-extern Value getwork(const Array& params, bool fHelp);
-extern Value getblocktemplate(const Array& params, bool fHelp);
-extern Value submitblock(const Array& params, bool fHelp);
-
-extern Value getrawtransaction(const Array& params, bool fHelp); // in rcprawtransaction.cpp
-extern Value listunspent(const Array& params, bool fHelp);
-extern Value createrawtransaction(const Array& params, bool fHelp);
-extern Value decoderawtransaction(const Array& params, bool fHelp);
-extern Value signrawtransaction(const Array& params, bool fHelp);
-extern Value sendrawtransaction(const Array& params, bool fHelp);
-
 const Object emptyobj;
 
 void ThreadRPCServer3(void* parg);
@@ -113,38 +88,6 @@ void RPCTypeCheck(const Object& o,
     }
 }
 
-double GetDifficulty(const CBlockIndex* blockindex = NULL)
-{
-    // Floating point number that is a multiple of the minimum difficulty,
-    // minimum difficulty = 1.0.
-    if (blockindex == NULL)
-    {
-        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--;
-    }
-
-    return dDiff;
-}
-
-
 int64 AmountFromValue(const Value& value)
 {
     double dAmount = value.get_real();
@@ -172,72 +115,6 @@ HexBits(unsigned int nBits)
     return HexStr(BEGIN(uBits.cBits), END(uBits.cBits));
 }
 
-std::string
-HelpRequiringPassphrase()
-{
-    return pwalletMain->IsCrypted()
-        ? "\nrequires wallet passphrase to be set with walletpassphrase first"
-        : "";
-}
-
-void
-EnsureWalletIsUnlocked()
-{
-    if (pwalletMain->IsLocked())
-        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
-}
-
-void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
-{
-    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)
-        entry.push_back(Pair(item.first, item.second));
-}
-
-string AccountFromValue(const Value& value)
-{
-    string strAccount = value.get_str();
-    if (strAccount == "*")
-        throw JSONRPCError(-11, "Invalid account name");
-    return strAccount;
-}
-
-Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
-{
-    Object result;
-    result.push_back(Pair("hash", block.GetHash().GetHex()));
-    CMerkleTx txGen(block.vtx[0]);
-    txGen.SetMerkleBranch(&block);
-    result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain()));
-    result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
-    result.push_back(Pair("height", blockindex->nHeight));
-    result.push_back(Pair("version", block.nVersion));
-    result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
-    Array txs;
-    BOOST_FOREACH(const CTransaction&tx, block.vtx)
-        txs.push_back(tx.GetHash().GetHex());
-    result.push_back(Pair("tx", txs));
-    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)));
-
-    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;
-}
-
-
 
 
 ///
@@ -307,1505 +184,6 @@ Value stop(const Array& params, bool fHelp)
 }
 
 
-Value getblockcount(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 0)
-        throw runtime_error(
-            "getblockcount\n"
-            "Returns the number of blocks in the longest block chain.");
-
-    return nBestHeight;
-}
-
-
-Value getdifficulty(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 0)
-        throw runtime_error(
-            "getdifficulty\n"
-            "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
-
-    return GetDifficulty();
-}
-
-
-Value getinfo(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 0)
-        throw runtime_error(
-            "getinfo\n"
-            "Returns an object containing various state info.");
-
-    CService addrProxy;
-    GetProxy(NET_IPV4, addrProxy);
-
-    Object obj;
-    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",         (addrProxy.IsValid() ? addrProxy.ToStringIPPort() : string())));
-    obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
-    obj.push_back(Pair("testnet",       fTestNet));
-    obj.push_back(Pair("keypoololdest", (boost::int64_t)pwalletMain->GetOldestKeyPoolTime()));
-    obj.push_back(Pair("keypoolsize",   pwalletMain->GetKeyPoolSize()));
-    obj.push_back(Pair("paytxfee",      ValueFromAmount(nTransactionFee)));
-    if (pwalletMain->IsCrypted())
-        obj.push_back(Pair("unlocked_until", (boost::int64_t)nWalletUnlockTime / 1000));
-    obj.push_back(Pair("errors",        GetWarnings("statusbar")));
-    return obj;
-}
-
-
-Value getnewaddress(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() > 1)
-        throw runtime_error(
-            "getnewaddress [account]\n"
-            "Returns a new Bitcoin address for receiving payments.  "
-            "If [account] is specified (recommended), it is added to the address book "
-            "so payments received with the address will be credited to [account].");
-
-    // Parse the account first so we don't generate a key if there's an error
-    string strAccount;
-    if (params.size() > 0)
-        strAccount = AccountFromValue(params[0]);
-
-    if (!pwalletMain->IsLocked())
-        pwalletMain->TopUpKeyPool();
-
-    // Generate a new key that is added to wallet
-    CPubKey newKey;
-    if (!pwalletMain->GetKeyFromPool(newKey, false))
-        throw JSONRPCError(-12, "Error: Keypool ran out, please call keypoolrefill first");
-    CKeyID keyID = newKey.GetID();
-
-    pwalletMain->SetAddressBookName(keyID, strAccount);
-
-    return CBitcoinAddress(keyID).ToString();
-}
-
-
-CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
-{
-    CWalletDB walletdb(pwalletMain->strWalletFile);
-
-    CAccount account;
-    walletdb.ReadAccount(strAccount, account);
-
-    bool bKeyUsed = false;
-
-    // Check if the current key has been used
-    if (account.vchPubKey.IsValid())
-    {
-        CScript scriptPubKey;
-        scriptPubKey.SetDestination(account.vchPubKey.GetID());
-        for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
-             it != pwalletMain->mapWallet.end() && account.vchPubKey.IsValid();
-             ++it)
-        {
-            const CWalletTx& wtx = (*it).second;
-            BOOST_FOREACH(const CTxOut& txout, wtx.vout)
-                if (txout.scriptPubKey == scriptPubKey)
-                    bKeyUsed = true;
-        }
-    }
-
-    // Generate a new key
-    if (!account.vchPubKey.IsValid() || bForceNew || bKeyUsed)
-    {
-        if (!pwalletMain->GetKeyFromPool(account.vchPubKey, false))
-            throw JSONRPCError(-12, "Error: Keypool ran out, please call keypoolrefill first");
-
-        pwalletMain->SetAddressBookName(account.vchPubKey.GetID(), strAccount);
-        walletdb.WriteAccount(strAccount, account);
-    }
-
-    return CBitcoinAddress(account.vchPubKey.GetID());
-}
-
-Value getaccountaddress(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 1)
-        throw runtime_error(
-            "getaccountaddress <account>\n"
-            "Returns the current Bitcoin address for receiving payments to this account.");
-
-    // Parse the account first so we don't generate a key if there's an error
-    string strAccount = AccountFromValue(params[0]);
-
-    Value ret;
-
-    ret = GetAccountAddress(strAccount).ToString();
-
-    return ret;
-}
-
-
-
-Value setaccount(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() < 1 || params.size() > 2)
-        throw runtime_error(
-            "setaccount <bitcoinaddress> <account>\n"
-            "Sets the account associated with the given address.");
-
-    CBitcoinAddress address(params[0].get_str());
-    if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid Bitcoin address");
-
-
-    string strAccount;
-    if (params.size() > 1)
-        strAccount = AccountFromValue(params[1]);
-
-    // Detect when changing the account of an address that is the 'unused current key' of another account:
-    if (pwalletMain->mapAddressBook.count(address.Get()))
-    {
-        string strOldAccount = pwalletMain->mapAddressBook[address.Get()];
-        if (address == GetAccountAddress(strOldAccount))
-            GetAccountAddress(strOldAccount, true);
-    }
-
-    pwalletMain->SetAddressBookName(address.Get(), strAccount);
-
-    return Value::null;
-}
-
-
-Value getaccount(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 1)
-        throw runtime_error(
-            "getaccount <bitcoinaddress>\n"
-            "Returns the account associated with the given address.");
-
-    CBitcoinAddress address(params[0].get_str());
-    if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid Bitcoin address");
-
-    string strAccount;
-    map<CTxDestination, string>::iterator mi = pwalletMain->mapAddressBook.find(address.Get());
-    if (mi != pwalletMain->mapAddressBook.end() && !(*mi).second.empty())
-        strAccount = (*mi).second;
-    return strAccount;
-}
-
-
-Value getaddressesbyaccount(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 1)
-        throw runtime_error(
-            "getaddressesbyaccount <account>\n"
-            "Returns the list of addresses for the given account.");
-
-    string strAccount = AccountFromValue(params[0]);
-
-    // Find all addresses that have the given account
-    Array ret;
-    BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
-    {
-        const CBitcoinAddress& address = item.first;
-        const string& strName = item.second;
-        if (strName == strAccount)
-            ret.push_back(address.ToString());
-    }
-    return ret;
-}
-
-Value settxfee(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() < 1 || params.size() > 1)
-        throw runtime_error(
-            "settxfee <amount>\n"
-            "<amount> is a real and is rounded to the nearest 0.00000001");
-
-    // Amount
-    int64 nAmount = 0;
-    if (params[0].get_real() != 0.0)
-        nAmount = AmountFromValue(params[0]);        // rejects 0.0 amounts
-
-    nTransactionFee = nAmount;
-    return true;
-}
-
-Value sendtoaddress(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() < 2 || params.size() > 4)
-        throw runtime_error(
-            "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
-            "<amount> is a real and is rounded to the nearest 0.00000001"
-            + HelpRequiringPassphrase());
-
-    CBitcoinAddress address(params[0].get_str());
-    if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid Bitcoin address");
-
-    // Amount
-    int64 nAmount = AmountFromValue(params[1]);
-
-    // Wallet comments
-    CWalletTx wtx;
-    if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
-        wtx.mapValue["comment"] = params[2].get_str();
-    if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
-        wtx.mapValue["to"]      = params[3].get_str();
-
-    if (pwalletMain->IsLocked())
-        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
-
-    string strError = pwalletMain->SendMoneyToDestination(address.Get(), nAmount, wtx);
-    if (strError != "")
-        throw JSONRPCError(-4, strError);
-
-    return wtx.GetHash().GetHex();
-}
-
-Value signmessage(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 2)
-        throw runtime_error(
-            "signmessage <bitcoinaddress> <message>\n"
-            "Sign a message with the private key of an address");
-
-    EnsureWalletIsUnlocked();
-
-    string strAddress = params[0].get_str();
-    string strMessage = params[1].get_str();
-
-    CBitcoinAddress addr(strAddress);
-    if (!addr.IsValid())
-        throw JSONRPCError(-3, "Invalid address");
-
-    CKeyID keyID;
-    if (!addr.GetKeyID(keyID))
-        throw JSONRPCError(-3, "Address does not refer to key");
-
-    CKey key;
-    if (!pwalletMain->GetKey(keyID, key))
-        throw JSONRPCError(-4, "Private key not available");
-
-    CDataStream ss(SER_GETHASH, 0);
-    ss << strMessageMagic;
-    ss << strMessage;
-
-    vector<unsigned char> vchSig;
-    if (!key.SignCompact(Hash(ss.begin(), ss.end()), vchSig))
-        throw JSONRPCError(-5, "Sign failed");
-
-    return EncodeBase64(&vchSig[0], vchSig.size());
-}
-
-Value verifymessage(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 3)
-        throw runtime_error(
-            "verifymessage <bitcoinaddress> <signature> <message>\n"
-            "Verify a signed message");
-
-    string strAddress  = params[0].get_str();
-    string strSign     = params[1].get_str();
-    string strMessage  = params[2].get_str();
-
-    CBitcoinAddress addr(strAddress);
-    if (!addr.IsValid())
-        throw JSONRPCError(-3, "Invalid address");
-
-    CKeyID keyID;
-    if (!addr.GetKeyID(keyID))
-        throw JSONRPCError(-3, "Address does not refer to key");
-
-    bool fInvalid = false;
-    vector<unsigned char> vchSig = DecodeBase64(strSign.c_str(), &fInvalid);
-
-    if (fInvalid)
-        throw JSONRPCError(-5, "Malformed base64 encoding");
-
-    CDataStream ss(SER_GETHASH, 0);
-    ss << strMessageMagic;
-    ss << strMessage;
-
-    CKey key;
-    if (!key.SetCompactSignature(Hash(ss.begin(), ss.end()), vchSig))
-        return false;
-
-    return (key.GetPubKey().GetID() == keyID);
-}
-
-
-Value getreceivedbyaddress(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() < 1 || params.size() > 2)
-        throw runtime_error(
-            "getreceivedbyaddress <bitcoinaddress> [minconf=1]\n"
-            "Returns the total amount received by <bitcoinaddress> in transactions with at least [minconf] confirmations.");
-
-    // Bitcoin address
-    CBitcoinAddress address = CBitcoinAddress(params[0].get_str());
-    CScript scriptPubKey;
-    if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid Bitcoin address");
-    scriptPubKey.SetDestination(address.Get());
-    if (!IsMine(*pwalletMain,scriptPubKey))
-        return (double)0.0;
-
-    // Minimum confirmations
-    int nMinDepth = 1;
-    if (params.size() > 1)
-        nMinDepth = params[1].get_int();
-
-    // Tally
-    int64 nAmount = 0;
-    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;
-
-        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
-            if (txout.scriptPubKey == scriptPubKey)
-                if (wtx.GetDepthInMainChain() >= nMinDepth)
-                    nAmount += txout.nValue;
-    }
-
-    return  ValueFromAmount(nAmount);
-}
-
-
-void GetAccountAddresses(string strAccount, set<CTxDestination>& setAddress)
-{
-    BOOST_FOREACH(const PAIRTYPE(CTxDestination, string)& item, pwalletMain->mapAddressBook)
-    {
-        const CTxDestination& address = item.first;
-        const string& strName = item.second;
-        if (strName == strAccount)
-            setAddress.insert(address);
-    }
-}
-
-Value getreceivedbyaccount(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() < 1 || params.size() > 2)
-        throw runtime_error(
-            "getreceivedbyaccount <account> [minconf=1]\n"
-            "Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
-
-    // Minimum confirmations
-    int nMinDepth = 1;
-    if (params.size() > 1)
-        nMinDepth = params[1].get_int();
-
-    // Get the set of pub keys assigned to account
-    string strAccount = AccountFromValue(params[0]);
-    set<CTxDestination> setAddress;
-    GetAccountAddresses(strAccount, setAddress);
-
-    // Tally
-    int64 nAmount = 0;
-    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;
-
-        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
-        {
-            CTxDestination address;
-            if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*pwalletMain, address) && setAddress.count(address))
-                if (wtx.GetDepthInMainChain() >= nMinDepth)
-                    nAmount += txout.nValue;
-        }
-    }
-
-    return (double)nAmount / (double)COIN;
-}
-
-
-int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
-{
-    int64 nBalance = 0;
-
-    // Tally wallet transactions
-    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
-    {
-        const CWalletTx& wtx = (*it).second;
-        if (!wtx.IsFinal())
-            continue;
-
-        int64 nGenerated, nReceived, nSent, nFee;
-        wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
-
-        if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
-            nBalance += nReceived;
-        nBalance += nGenerated - nSent - nFee;
-    }
-
-    // Tally internal accounting entries
-    nBalance += walletdb.GetAccountCreditDebit(strAccount);
-
-    return nBalance;
-}
-
-int64 GetAccountBalance(const string& strAccount, int nMinDepth)
-{
-    CWalletDB walletdb(pwalletMain->strWalletFile);
-    return GetAccountBalance(walletdb, strAccount, nMinDepth);
-}
-
-
-Value getbalance(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() > 2)
-        throw runtime_error(
-            "getbalance [account] [minconf=1]\n"
-            "If [account] is not specified, returns the server's total available balance.\n"
-            "If [account] is specified, returns the balance in the account.");
-
-    if (params.size() == 0)
-        return  ValueFromAmount(pwalletMain->GetBalance());
-
-    int nMinDepth = 1;
-    if (params.size() > 1)
-        nMinDepth = params[1].get_int();
-
-    if (params[0].get_str() == "*") {
-        // Calculate total balance a different way from GetBalance()
-        // (GetBalance() sums up all unspent TxOuts)
-        // getbalance and getbalance '*' should always return the same number.
-        int64 nBalance = 0;
-        for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
-        {
-            const CWalletTx& wtx = (*it).second;
-            if (!wtx.IsFinal())
-                continue;
-
-            int64 allGeneratedImmature, allGeneratedMature, allFee;
-            allGeneratedImmature = allGeneratedMature = allFee = 0;
-            string strSentAccount;
-            list<pair<CTxDestination, int64> > listReceived;
-            list<pair<CTxDestination, int64> > listSent;
-            wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
-            if (wtx.GetDepthInMainChain() >= nMinDepth)
-            {
-                BOOST_FOREACH(const PAIRTYPE(CTxDestination,int64)& r, listReceived)
-                    nBalance += r.second;
-            }
-            BOOST_FOREACH(const PAIRTYPE(CTxDestination,int64)& r, listSent)
-                nBalance -= r.second;
-            nBalance -= allFee;
-            nBalance += allGeneratedMature;
-        }
-        return  ValueFromAmount(nBalance);
-    }
-
-    string strAccount = AccountFromValue(params[0]);
-
-    int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
-
-    return ValueFromAmount(nBalance);
-}
-
-
-Value movecmd(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() < 3 || params.size() > 5)
-        throw runtime_error(
-            "move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
-            "Move from one account in your wallet to another.");
-
-    string strFrom = AccountFromValue(params[0]);
-    string strTo = AccountFromValue(params[1]);
-    int64 nAmount = AmountFromValue(params[2]);
-    if (params.size() > 3)
-        // unused parameter, used to be nMinDepth, keep type-checking it though
-        (void)params[3].get_int();
-    string strComment;
-    if (params.size() > 4)
-        strComment = params[4].get_str();
-
-    CWalletDB walletdb(pwalletMain->strWalletFile);
-    if (!walletdb.TxnBegin())
-        throw JSONRPCError(-20, "database error");
-
-    int64 nNow = GetAdjustedTime();
-
-    // Debit
-    CAccountingEntry debit;
-    debit.strAccount = strFrom;
-    debit.nCreditDebit = -nAmount;
-    debit.nTime = nNow;
-    debit.strOtherAccount = strTo;
-    debit.strComment = strComment;
-    walletdb.WriteAccountingEntry(debit);
-
-    // Credit
-    CAccountingEntry credit;
-    credit.strAccount = strTo;
-    credit.nCreditDebit = nAmount;
-    credit.nTime = nNow;
-    credit.strOtherAccount = strFrom;
-    credit.strComment = strComment;
-    walletdb.WriteAccountingEntry(credit);
-
-    if (!walletdb.TxnCommit())
-        throw JSONRPCError(-20, "database error");
-
-    return true;
-}
-
-
-Value sendfrom(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() < 3 || params.size() > 6)
-        throw runtime_error(
-            "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
-            "<amount> is a real and is rounded to the nearest 0.00000001"
-            + HelpRequiringPassphrase());
-
-    string strAccount = AccountFromValue(params[0]);
-    CBitcoinAddress address(params[1].get_str());
-    if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid Bitcoin address");
-    int64 nAmount = AmountFromValue(params[2]);
-    int nMinDepth = 1;
-    if (params.size() > 3)
-        nMinDepth = params[3].get_int();
-
-    CWalletTx wtx;
-    wtx.strFromAccount = strAccount;
-    if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
-        wtx.mapValue["comment"] = params[4].get_str();
-    if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
-        wtx.mapValue["to"]      = params[5].get_str();
-
-    EnsureWalletIsUnlocked();
-
-    // Check funds
-    int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
-    if (nAmount > nBalance)
-        throw JSONRPCError(-6, "Account has insufficient funds");
-
-    // Send
-    string strError = pwalletMain->SendMoneyToDestination(address.Get(), nAmount, wtx);
-    if (strError != "")
-        throw JSONRPCError(-4, strError);
-
-    return wtx.GetHash().GetHex();
-}
-
-
-Value sendmany(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() < 2 || params.size() > 4)
-        throw runtime_error(
-            "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
-            "amounts are double-precision floating point numbers"
-            + HelpRequiringPassphrase());
-
-    string strAccount = AccountFromValue(params[0]);
-    Object sendTo = params[1].get_obj();
-    int nMinDepth = 1;
-    if (params.size() > 2)
-        nMinDepth = params[2].get_int();
-
-    CWalletTx wtx;
-    wtx.strFromAccount = strAccount;
-    if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
-        wtx.mapValue["comment"] = params[3].get_str();
-
-    set<CBitcoinAddress> setAddress;
-    vector<pair<CScript, int64> > vecSend;
-
-    int64 totalAmount = 0;
-    BOOST_FOREACH(const Pair& s, sendTo)
-    {
-        CBitcoinAddress address(s.name_);
-        if (!address.IsValid())
-            throw JSONRPCError(-5, string("Invalid Bitcoin address:")+s.name_);
-
-        if (setAddress.count(address))
-            throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+s.name_);
-        setAddress.insert(address);
-
-        CScript scriptPubKey;
-        scriptPubKey.SetDestination(address.Get());
-        int64 nAmount = AmountFromValue(s.value_);
-        totalAmount += nAmount;
-
-        vecSend.push_back(make_pair(scriptPubKey, nAmount));
-    }
-
-    EnsureWalletIsUnlocked();
-
-    // Check funds
-    int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
-    if (totalAmount > nBalance)
-        throw JSONRPCError(-6, "Account has insufficient funds");
-
-    // Send
-    CReserveKey keyChange(pwalletMain);
-    int64 nFeeRequired = 0;
-    bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
-    if (!fCreated)
-    {
-        if (totalAmount + nFeeRequired > pwalletMain->GetBalance())
-            throw JSONRPCError(-6, "Insufficient funds");
-        throw JSONRPCError(-4, "Transaction creation failed");
-    }
-    if (!pwalletMain->CommitTransaction(wtx, keyChange))
-        throw JSONRPCError(-4, "Transaction commit failed");
-
-    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);
-    }
-
-    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 ((int)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())
-        {
-            CKeyID keyID;
-            if (!address.GetKeyID(keyID))
-                throw runtime_error(
-                    strprintf("%s does not refer to a key",ks.c_str()));
-            CPubKey vchPubKey;
-            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))
-                throw runtime_error(" Invalid public key: "+ks);
-        }
-
-        // Case 2: hex public key
-        else if (IsHex(ks))
-        {
-            CPubKey vchPubKey(ParseHex(ks));
-            if (!vchPubKey.IsValid() || !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);
-    CScriptID innerID = inner.GetID();
-    pwalletMain->AddCScript(inner);
-
-    pwalletMain->SetAddressBookName(innerID, strAccount);
-    return CBitcoinAddress(innerID).ToString();
-}
-
-
-struct tallyitem
-{
-    int64 nAmount;
-    int nConf;
-    tallyitem()
-    {
-        nAmount = 0;
-        nConf = std::numeric_limits<int>::max();
-    }
-};
-
-Value ListReceived(const Array& params, bool fByAccounts)
-{
-    // Minimum confirmations
-    int nMinDepth = 1;
-    if (params.size() > 0)
-        nMinDepth = params[0].get_int();
-
-    // Whether to include empty accounts
-    bool fIncludeEmpty = false;
-    if (params.size() > 1)
-        fIncludeEmpty = params[1].get_bool();
-
-    // Tally
-    map<CBitcoinAddress, tallyitem> mapTally;
-    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;
-
-        int nDepth = wtx.GetDepthInMainChain();
-        if (nDepth < nMinDepth)
-            continue;
-
-        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
-        {
-            CTxDestination address;
-            if (!ExtractDestination(txout.scriptPubKey, address) || !IsMine(*pwalletMain, address))
-                continue;
-
-            tallyitem& item = mapTally[address];
-            item.nAmount += txout.nValue;
-            item.nConf = min(item.nConf, nDepth);
-        }
-    }
-
-    // Reply
-    Array ret;
-    map<string, tallyitem> mapAccountTally;
-    BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
-    {
-        const CBitcoinAddress& address = item.first;
-        const string& strAccount = item.second;
-        map<CBitcoinAddress, tallyitem>::iterator it = mapTally.find(address);
-        if (it == mapTally.end() && !fIncludeEmpty)
-            continue;
-
-        int64 nAmount = 0;
-        int nConf = std::numeric_limits<int>::max();
-        if (it != mapTally.end())
-        {
-            nAmount = (*it).second.nAmount;
-            nConf = (*it).second.nConf;
-        }
-
-        if (fByAccounts)
-        {
-            tallyitem& item = mapAccountTally[strAccount];
-            item.nAmount += nAmount;
-            item.nConf = min(item.nConf, nConf);
-        }
-        else
-        {
-            Object obj;
-            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 == std::numeric_limits<int>::max() ? 0 : nConf)));
-            ret.push_back(obj);
-        }
-    }
-
-    if (fByAccounts)
-    {
-        for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
-        {
-            int64 nAmount = (*it).second.nAmount;
-            int nConf = (*it).second.nConf;
-            Object obj;
-            obj.push_back(Pair("account",       (*it).first));
-            obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
-            obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf)));
-            ret.push_back(obj);
-        }
-    }
-
-    return ret;
-}
-
-Value listreceivedbyaddress(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() > 2)
-        throw runtime_error(
-            "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
-            "[minconf] is the minimum number of confirmations before payments are included.\n"
-            "[includeempty] whether to include addresses that haven't received any payments.\n"
-            "Returns an array of objects containing:\n"
-            "  \"address\" : receiving address\n"
-            "  \"account\" : the account of the receiving address\n"
-            "  \"amount\" : total amount received by the address\n"
-            "  \"confirmations\" : number of confirmations of the most recent transaction included");
-
-    return ListReceived(params, false);
-}
-
-Value listreceivedbyaccount(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() > 2)
-        throw runtime_error(
-            "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
-            "[minconf] is the minimum number of confirmations before payments are included.\n"
-            "[includeempty] whether to include accounts that haven't received any payments.\n"
-            "Returns an array of objects containing:\n"
-            "  \"account\" : the account of the receiving addresses\n"
-            "  \"amount\" : total amount received by addresses with this account\n"
-            "  \"confirmations\" : number of confirmations of the most recent transaction included");
-
-    return ListReceived(params, true);
-}
-
-void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
-{
-    int64 nGeneratedImmature, nGeneratedMature, nFee;
-    string strSentAccount;
-    list<pair<CTxDestination, int64> > listReceived;
-    list<pair<CTxDestination, int64> > listSent;
-
-    wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
-
-    bool fAllAccounts = (strAccount == string("*"));
-
-    // Generated blocks assigned to account ""
-    if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
-    {
-        Object entry;
-        entry.push_back(Pair("account", string("")));
-        if (nGeneratedImmature)
-        {
-            entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
-            entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
-        }
-        else
-        {
-            entry.push_back(Pair("category", "generate"));
-            entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
-        }
-        if (fLong)
-            WalletTxToJSON(wtx, entry);
-        ret.push_back(entry);
-    }
-
-    // Sent
-    if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
-    {
-        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64)& s, listSent)
-        {
-            Object entry;
-            entry.push_back(Pair("account", strSentAccount));
-            entry.push_back(Pair("address", CBitcoinAddress(s.first).ToString()));
-            entry.push_back(Pair("category", "send"));
-            entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
-            entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
-            if (fLong)
-                WalletTxToJSON(wtx, entry);
-            ret.push_back(entry);
-        }
-    }
-
-    // Received
-    if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
-    {
-        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64)& r, listReceived)
-        {
-            string account;
-            if (pwalletMain->mapAddressBook.count(r.first))
-                account = pwalletMain->mapAddressBook[r.first];
-            if (fAllAccounts || (account == strAccount))
-            {
-                Object entry;
-                entry.push_back(Pair("account", account));
-                entry.push_back(Pair("address", CBitcoinAddress(r.first).ToString()));
-                entry.push_back(Pair("category", "receive"));
-                entry.push_back(Pair("amount", ValueFromAmount(r.second)));
-                if (fLong)
-                    WalletTxToJSON(wtx, entry);
-                ret.push_back(entry);
-            }
-        }
-    }
-}
-
-void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
-{
-    bool fAllAccounts = (strAccount == string("*"));
-
-    if (fAllAccounts || acentry.strAccount == strAccount)
-    {
-        Object entry;
-        entry.push_back(Pair("account", acentry.strAccount));
-        entry.push_back(Pair("category", "move"));
-        entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
-        entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
-        entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
-        entry.push_back(Pair("comment", acentry.strComment));
-        ret.push_back(entry);
-    }
-}
-
-Value listtransactions(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() > 3)
-        throw runtime_error(
-            "listtransactions [account] [count=10] [from=0]\n"
-            "Returns up to [count] most recent transactions skipping the first [from] transactions for account [account].");
-
-    string strAccount = "*";
-    if (params.size() > 0)
-        strAccount = params[0].get_str();
-    int nCount = 10;
-    if (params.size() > 1)
-        nCount = params[1].get_int();
-    int nFrom = 0;
-    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);
-
-    // 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);
-        txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
-    }
-    list<CAccountingEntry> acentries;
-    walletdb.ListAccountCreditDebit(strAccount, acentries);
-    BOOST_FOREACH(CAccountingEntry& entry, acentries)
-    {
-        txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
-    }
-
-    // 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)
-            ListTransactions(*pwtx, strAccount, 0, true, ret);
-        CAccountingEntry *const pacentry = (*it).second.second;
-        if (pacentry != 0)
-            AcentryToJSON(*pacentry, strAccount, ret);
-
-        if ((int)ret.size() >= (nCount+nFrom)) break;
-    }
-    // ret is newest to oldest
-
-    if (nFrom > (int)ret.size())
-        nFrom = ret.size();
-    if ((nFrom + nCount) > (int)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;
-}
-
-Value listaccounts(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() > 1)
-        throw runtime_error(
-            "listaccounts [minconf=1]\n"
-            "Returns Object that has account names as keys, account balances as values.");
-
-    int nMinDepth = 1;
-    if (params.size() > 0)
-        nMinDepth = params[0].get_int();
-
-    map<string, int64> mapAccountBalances;
-    BOOST_FOREACH(const PAIRTYPE(CTxDestination, string)& entry, pwalletMain->mapAddressBook) {
-        if (IsMine(*pwalletMain, entry.first)) // This address belongs to me
-            mapAccountBalances[entry.second] = 0;
-    }
-
-    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
-    {
-        const CWalletTx& wtx = (*it).second;
-        int64 nGeneratedImmature, nGeneratedMature, nFee;
-        string strSentAccount;
-        list<pair<CTxDestination, int64> > listReceived;
-        list<pair<CTxDestination, int64> > listSent;
-        wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
-        mapAccountBalances[strSentAccount] -= nFee;
-        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64)& s, listSent)
-            mapAccountBalances[strSentAccount] -= s.second;
-        if (wtx.GetDepthInMainChain() >= nMinDepth)
-        {
-            mapAccountBalances[""] += nGeneratedMature;
-            BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64)& r, listReceived)
-                if (pwalletMain->mapAddressBook.count(r.first))
-                    mapAccountBalances[pwalletMain->mapAddressBook[r.first]] += r.second;
-                else
-                    mapAccountBalances[""] += r.second;
-        }
-    }
-
-    list<CAccountingEntry> acentries;
-    CWalletDB(pwalletMain->strWalletFile).ListAccountCreditDebit("*", acentries);
-    BOOST_FOREACH(const CAccountingEntry& entry, acentries)
-        mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
-
-    Object ret;
-    BOOST_FOREACH(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
-        ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
-    }
-    return ret;
-}
-
-Value listsinceblock(const Array& params, bool fHelp)
-{
-    if (fHelp)
-        throw runtime_error(
-            "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;
-
-    if (params.size() > 0)
-    {
-        uint256 blockId = 0;
-
-        blockId.SetHex(params[0].get_str());
-        pindex = CBlockLocator(blockId).GetBlockIndex();
-    }
-
-    if (params.size() > 1)
-    {
-        target_confirms = params[1].get_int();
-
-        if (target_confirms < 1)
-            throw JSONRPCError(-8, "Invalid parameter");
-    }
-
-    int depth = pindex ? (1 + nBestHeight - pindex->nHeight) : -1;
-
-    Array transactions;
-
-    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); it++)
-    {
-        CWalletTx tx = (*it).second;
-
-        if (depth == -1 || tx.GetDepthInMainChain() < depth)
-            ListTransactions(tx, "*", 0, true, transactions);
-    }
-
-    uint256 lastblock;
-
-    if (target_confirms == 1)
-    {
-        lastblock = hashBestChain;
-    }
-    else
-    {
-        int target_height = pindexBest->nHeight + 1 - target_confirms;
-
-        CBlockIndex *block;
-        for (block = pindexBest;
-             block && block->nHeight > target_height;
-             block = block->pprev)  { }
-
-        lastblock = block ? block->GetBlockHash() : 0;
-    }
-
-    Object ret;
-    ret.push_back(Pair("transactions", transactions));
-    ret.push_back(Pair("lastblock", lastblock.GetHex()));
-
-    return ret;
-}
-
-Value gettransaction(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 1)
-        throw runtime_error(
-            "gettransaction <txid>\n"
-            "Get detailed information about in-wallet transaction <txid>");
-
-    uint256 hash;
-    hash.SetHex(params[0].get_str());
-
-    Object entry;
-    if (!pwalletMain->mapWallet.count(hash))
-        throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
-    const CWalletTx& wtx = pwalletMain->mapWallet[hash];
-
-    int64 nCredit = wtx.GetCredit();
-    int64 nDebit = wtx.GetDebit();
-    int64 nNet = nCredit - nDebit;
-    int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
-
-    entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
-    if (wtx.IsFromMe())
-        entry.push_back(Pair("fee", ValueFromAmount(nFee)));
-
-    WalletTxToJSON(wtx, entry);
-
-    Array details;
-    ListTransactions(wtx, "*", 0, false, details);
-    entry.push_back(Pair("details", details));
-
-    return entry;
-}
-
-
-Value backupwallet(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 1)
-        throw runtime_error(
-            "backupwallet <destination>\n"
-            "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
-
-    string strDest = params[0].get_str();
-    BackupWallet(*pwalletMain, strDest);
-
-    return Value::null;
-}
-
-
-Value keypoolrefill(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() > 0)
-        throw runtime_error(
-            "keypoolrefill\n"
-            "Fills the keypool."
-            + HelpRequiringPassphrase());
-
-    EnsureWalletIsUnlocked();
-
-    pwalletMain->TopUpKeyPool();
-
-    if (pwalletMain->GetKeyPoolSize() < GetArg("-keypool", 100))
-        throw JSONRPCError(-4, "Error refreshing keypool.");
-
-    return Value::null;
-}
-
-
-void ThreadTopUpKeyPool(void* parg)
-{
-    // Make this thread recognisable as the key-topping-up thread
-    RenameThread("bitcoin-key-top");
-
-    pwalletMain->TopUpKeyPool();
-}
-
-void ThreadCleanWalletPassphrase(void* parg)
-{
-    // Make this thread recognisable as the wallet relocking thread
-    RenameThread("bitcoin-lock-wa");
-
-    int64 nMyWakeTime = GetTimeMillis() + *((int64*)parg) * 1000;
-
-    ENTER_CRITICAL_SECTION(cs_nWalletUnlockTime);
-
-    if (nWalletUnlockTime == 0)
-    {
-        nWalletUnlockTime = nMyWakeTime;
-
-        do
-        {
-            if (nWalletUnlockTime==0)
-                break;
-            int64 nToSleep = nWalletUnlockTime - GetTimeMillis();
-            if (nToSleep <= 0)
-                break;
-
-            LEAVE_CRITICAL_SECTION(cs_nWalletUnlockTime);
-            Sleep(nToSleep);
-            ENTER_CRITICAL_SECTION(cs_nWalletUnlockTime);
-
-        } while(1);
-
-        if (nWalletUnlockTime)
-        {
-            nWalletUnlockTime = 0;
-            pwalletMain->Lock();
-        }
-    }
-    else
-    {
-        if (nWalletUnlockTime < nMyWakeTime)
-            nWalletUnlockTime = nMyWakeTime;
-    }
-
-    LEAVE_CRITICAL_SECTION(cs_nWalletUnlockTime);
-
-    delete (int64*)parg;
-}
-
-Value walletpassphrase(const Array& params, bool fHelp)
-{
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
-        throw runtime_error(
-            "walletpassphrase <passphrase> <timeout>\n"
-            "Stores the wallet decryption key in memory for <timeout> seconds.");
-    if (fHelp)
-        return true;
-    if (!pwalletMain->IsCrypted())
-        throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletpassphrase was called.");
-
-    if (!pwalletMain->IsLocked())
-        throw JSONRPCError(-17, "Error: Wallet is already unlocked.");
-
-    // Note that the walletpassphrase is stored in params[0] which is not mlock()ed
-    SecureString strWalletPass;
-    strWalletPass.reserve(100);
-    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
-    // Alternately, find a way to make params[0] mlock()'d to begin with.
-    strWalletPass = params[0].get_str().c_str();
-
-    if (strWalletPass.length() > 0)
-    {
-        if (!pwalletMain->Unlock(strWalletPass))
-            throw JSONRPCError(-14, "Error: The wallet passphrase entered was incorrect.");
-    }
-    else
-        throw runtime_error(
-            "walletpassphrase <passphrase> <timeout>\n"
-            "Stores the wallet decryption key in memory for <timeout> seconds.");
-
-    CreateThread(ThreadTopUpKeyPool, NULL);
-    int64* pnSleepTime = new int64(params[1].get_int64());
-    CreateThread(ThreadCleanWalletPassphrase, pnSleepTime);
-
-    return Value::null;
-}
-
-
-Value walletpassphrasechange(const Array& params, bool fHelp)
-{
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
-        throw runtime_error(
-            "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
-            "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");
-    if (fHelp)
-        return true;
-    if (!pwalletMain->IsCrypted())
-        throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletpassphrasechange was called.");
-
-    // TODO: get rid of these .c_str() calls by implementing SecureString::operator=(std::string)
-    // Alternately, find a way to make params[0] mlock()'d to begin with.
-    SecureString strOldWalletPass;
-    strOldWalletPass.reserve(100);
-    strOldWalletPass = params[0].get_str().c_str();
-
-    SecureString strNewWalletPass;
-    strNewWalletPass.reserve(100);
-    strNewWalletPass = params[1].get_str().c_str();
-
-    if (strOldWalletPass.length() < 1 || strNewWalletPass.length() < 1)
-        throw runtime_error(
-            "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
-            "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");
-
-    if (!pwalletMain->ChangeWalletPassphrase(strOldWalletPass, strNewWalletPass))
-        throw JSONRPCError(-14, "Error: The wallet passphrase entered was incorrect.");
-
-    return Value::null;
-}
-
-
-Value walletlock(const Array& params, bool fHelp)
-{
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 0))
-        throw runtime_error(
-            "walletlock\n"
-            "Removes the wallet encryption key from memory, locking the wallet.\n"
-            "After calling this method, you will need to call walletpassphrase again\n"
-            "before being able to call any methods which require the wallet to be unlocked.");
-    if (fHelp)
-        return true;
-    if (!pwalletMain->IsCrypted())
-        throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletlock was called.");
-
-    {
-        LOCK(cs_nWalletUnlockTime);
-        pwalletMain->Lock();
-        nWalletUnlockTime = 0;
-    }
-
-    return Value::null;
-}
-
-
-Value encryptwallet(const Array& params, bool fHelp)
-{
-    if (!pwalletMain->IsCrypted() && (fHelp || params.size() != 1))
-        throw runtime_error(
-            "encryptwallet <passphrase>\n"
-            "Encrypts the wallet with <passphrase>.");
-    if (fHelp)
-        return true;
-    if (pwalletMain->IsCrypted())
-        throw JSONRPCError(-15, "Error: running with an encrypted wallet, but encryptwallet was called.");
-
-    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
-    // Alternately, find a way to make params[0] mlock()'d to begin with.
-    SecureString strWalletPass;
-    strWalletPass.reserve(100);
-    strWalletPass = params[0].get_str().c_str();
-
-    if (strWalletPass.length() < 1)
-        throw runtime_error(
-            "encryptwallet <passphrase>\n"
-            "Encrypts the wallet with <passphrase>.");
-
-    if (!pwalletMain->EncryptWallet(strWalletPass))
-        throw JSONRPCError(-16, "Error: Failed to encrypt the wallet.");
-
-    // BDB seems to have a bad habit of writing old data into
-    // slack space in .dat files; that is bad if the old data is
-    // unencrypted private keys.  So:
-    StartShutdown();
-    return "wallet encrypted; Bitcoin server stopping, restart to run with encrypted wallet";
-}
-
-class DescribeAddressVisitor : public boost::static_visitor<Object>
-{
-public:
-    Object operator()(const CNoDestination &dest) const { return Object(); }
-
-    Object operator()(const CKeyID &keyID) const {
-        Object obj;
-        CPubKey vchPubKey;
-        pwalletMain->GetPubKey(keyID, vchPubKey);
-        obj.push_back(Pair("isscript", false));
-        obj.push_back(Pair("pubkey", HexStr(vchPubKey.Raw())));
-        obj.push_back(Pair("iscompressed", vchPubKey.IsCompressed()));
-        return obj;
-    }
-
-    Object operator()(const CScriptID &scriptID) const {
-        Object obj;
-        obj.push_back(Pair("isscript", true));
-        CScript subscript;
-        pwalletMain->GetCScript(scriptID, subscript);
-        std::vector<CTxDestination> addresses;
-        txnouttype whichType;
-        int nRequired;
-        ExtractDestinations(subscript, whichType, addresses, nRequired);
-        obj.push_back(Pair("script", GetTxnOutputType(whichType)));
-        Array a;
-        BOOST_FOREACH(const CTxDestination& addr, addresses)
-            a.push_back(CBitcoinAddress(addr).ToString());
-        obj.push_back(Pair("addresses", a));
-        if (whichType == TX_MULTISIG)
-            obj.push_back(Pair("sigsrequired", nRequired));
-        return obj;
-    }
-};
-
-Value validateaddress(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 1)
-        throw runtime_error(
-            "validateaddress <bitcoinaddress>\n"
-            "Return information about <bitcoinaddress>.");
-
-    CBitcoinAddress address(params[0].get_str());
-    bool isValid = address.IsValid();
-
-    Object ret;
-    ret.push_back(Pair("isvalid", isValid));
-    if (isValid)
-    {
-        CTxDestination dest = address.Get();
-        string currentAddress = address.ToString();
-        ret.push_back(Pair("address", currentAddress));
-        bool fMine = IsMine(*pwalletMain, dest);
-        ret.push_back(Pair("ismine", fMine));
-        if (fMine) {
-            Object detail = boost::apply_visitor(DescribeAddressVisitor(), dest);
-            ret.insert(ret.end(), detail.begin(), detail.end());
-        }
-        if (pwalletMain->mapAddressBook.count(dest))
-            ret.push_back(Pair("account", pwalletMain->mapAddressBook[dest]));
-    }
-    return ret;
-}
-
-Value getrawmempool(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 0)
-        throw runtime_error(
-            "getrawmempool\n"
-            "Returns all transaction ids in memory pool.");
-
-    vector<uint256> vtxid;
-    mempool.queryHashes(vtxid);
-
-    Array a;
-    BOOST_FOREACH(const uint256& hash, vtxid)
-        a.push_back(hash.ToString());
-
-    return a;
-}
-
-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.");
-
-    CBlockIndex* pblockindex = FindBlockByHeight(nHeight);
-    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);
-}
-
-
-
-
-
-
 
 //
 // Call Table
diff --git a/src/bitcoinrpc.h b/src/bitcoinrpc.h
index 40e7d7e11c..4abda7eda6 100644
--- a/src/bitcoinrpc.h
+++ b/src/bitcoinrpc.h
@@ -10,6 +10,8 @@
 #include <list>
 #include <map>
 
+class CBlockIndex;
+
 #include "json/json_spirit_reader_template.h"
 #include "json/json_spirit_writer_template.h"
 #include "json/json_spirit_utils.h"
@@ -70,4 +72,69 @@ public:
 
 extern const CRPCTable tableRPC;
 
+extern int64 nWalletUnlockTime;
+extern int64 AmountFromValue(const json_spirit::Value& value);
+extern json_spirit::Value ValueFromAmount(int64 amount);
+extern double GetDifficulty(const CBlockIndex* blockindex = NULL);
+extern std::string HexBits(unsigned int nBits);
+extern std::string HelpRequiringPassphrase();
+extern void EnsureWalletIsUnlocked();
+
+extern json_spirit::Value getconnectioncount(const json_spirit::Array& params, bool fHelp); // in rpcnet.cpp
+extern json_spirit::Value getpeerinfo(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value dumpprivkey(const json_spirit::Array& params, bool fHelp); // in rpcdump.cpp
+extern json_spirit::Value importprivkey(const json_spirit::Array& params, bool fHelp);
+
+extern json_spirit::Value getgenerate(const json_spirit::Array& params, bool fHelp); // in rpcmining.cpp
+extern json_spirit::Value setgenerate(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value gethashespersec(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getmininginfo(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getwork(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getblocktemplate(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value submitblock(const json_spirit::Array& params, bool fHelp);
+
+extern json_spirit::Value getnewaddress(const json_spirit::Array& params, bool fHelp); // in rpcwallet.cpp
+extern json_spirit::Value getaccountaddress(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value setaccount(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getaccount(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getaddressesbyaccount(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value sendtoaddress(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value signmessage(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value verifymessage(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getreceivedbyaddress(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getreceivedbyaccount(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getbalance(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value movecmd(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value sendfrom(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value sendmany(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value addmultisigaddress(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value listreceivedbyaddress(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value listreceivedbyaccount(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value listtransactions(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value listaccounts(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value listsinceblock(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value gettransaction(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value backupwallet(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value keypoolrefill(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value walletpassphrase(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value walletpassphrasechange(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value walletlock(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value encryptwallet(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value validateaddress(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getinfo(const json_spirit::Array& params, bool fHelp);
+
+extern json_spirit::Value getrawtransaction(const json_spirit::Array& params, bool fHelp); // in rcprawtransaction.cpp
+extern json_spirit::Value listunspent(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value createrawtransaction(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value decoderawtransaction(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value signrawtransaction(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value sendrawtransaction(const json_spirit::Array& params, bool fHelp);
+
+extern json_spirit::Value getblockcount(const json_spirit::Array& params, bool fHelp); // in rpcblockchain.cpp
+extern json_spirit::Value getdifficulty(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value settxfee(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getrawmempool(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getblockhash(const json_spirit::Array& params, bool fHelp);
+extern json_spirit::Value getblock(const json_spirit::Array& params, bool fHelp);
+
 #endif
diff --git a/src/makefile.linux-mingw b/src/makefile.linux-mingw
index 8d8ddfddbb..e22a9f38ea 100644
--- a/src/makefile.linux-mingw
+++ b/src/makefile.linux-mingw
@@ -63,6 +63,8 @@ OBJS= \
     obj/rpcdump.o \
     obj/rpcnet.o \
     obj/rpcmining.o \
+    obj/rpcwallet.o \
+    obj/rpcblockchain.o \
     obj/rpcrawtransaction.o \
     obj/script.o \
     obj/sync.o \
diff --git a/src/makefile.mingw b/src/makefile.mingw
index 337f28e811..74897656a9 100644
--- a/src/makefile.mingw
+++ b/src/makefile.mingw
@@ -59,6 +59,8 @@ OBJS= \
     obj/rpcdump.o \
     obj/rpcnet.o \
     obj/rpcmining.o \
+    obj/rpcwallet.o \
+    obj/rpcblockchain.o \
     obj/rpcrawtransaction.o \
     obj/script.o \
     obj/sync.o \
diff --git a/src/makefile.osx b/src/makefile.osx
index 7135679bbc..977878398c 100644
--- a/src/makefile.osx
+++ b/src/makefile.osx
@@ -86,6 +86,8 @@ OBJS= \
     obj/rpcdump.o \
     obj/rpcnet.o \
     obj/rpcmining.o \
+    obj/rpcwallet.o \
+    obj/rpcblockchain.o \
     obj/rpcrawtransaction.o \
     obj/script.o \
     obj/sync.o \
diff --git a/src/makefile.unix b/src/makefile.unix
index a1228f474f..de067f4ebb 100644
--- a/src/makefile.unix
+++ b/src/makefile.unix
@@ -111,6 +111,8 @@ OBJS= \
     obj/rpcdump.o \
     obj/rpcnet.o \
     obj/rpcmining.o \
+    obj/rpcwallet.o \
+    obj/rpcblockchain.o \
     obj/rpcrawtransaction.o \
     obj/script.o \
     obj/sync.o \
diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp
new file mode 100644
index 0000000000..5469dd2952
--- /dev/null
+++ b/src/rpcblockchain.cpp
@@ -0,0 +1,165 @@
+// Copyright (c) 2010 Satoshi Nakamoto
+// Copyright (c) 2009-2012 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "main.h"
+#include "bitcoinrpc.h"
+
+using namespace json_spirit;
+using namespace std;
+
+double GetDifficulty(const CBlockIndex* blockindex)
+{
+    // Floating point number that is a multiple of the minimum difficulty,
+    // minimum difficulty = 1.0.
+    if (blockindex == NULL)
+    {
+        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--;
+    }
+
+    return dDiff;
+}
+
+
+Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
+{
+    Object result;
+    result.push_back(Pair("hash", block.GetHash().GetHex()));
+    CMerkleTx txGen(block.vtx[0]);
+    txGen.SetMerkleBranch(&block);
+    result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain()));
+    result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
+    result.push_back(Pair("height", blockindex->nHeight));
+    result.push_back(Pair("version", block.nVersion));
+    result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
+    Array txs;
+    BOOST_FOREACH(const CTransaction&tx, block.vtx)
+        txs.push_back(tx.GetHash().GetHex());
+    result.push_back(Pair("tx", txs));
+    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)));
+
+    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;
+}
+
+
+Value getblockcount(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 0)
+        throw runtime_error(
+            "getblockcount\n"
+            "Returns the number of blocks in the longest block chain.");
+
+    return nBestHeight;
+}
+
+
+Value getdifficulty(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 0)
+        throw runtime_error(
+            "getdifficulty\n"
+            "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
+
+    return GetDifficulty();
+}
+
+
+Value settxfee(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 1)
+        throw runtime_error(
+            "settxfee <amount>\n"
+            "<amount> is a real and is rounded to the nearest 0.00000001");
+
+    // Amount
+    int64 nAmount = 0;
+    if (params[0].get_real() != 0.0)
+        nAmount = AmountFromValue(params[0]);        // rejects 0.0 amounts
+
+    nTransactionFee = nAmount;
+    return true;
+}
+
+Value getrawmempool(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 0)
+        throw runtime_error(
+            "getrawmempool\n"
+            "Returns all transaction ids in memory pool.");
+
+    vector<uint256> vtxid;
+    mempool.queryHashes(vtxid);
+
+    Array a;
+    BOOST_FOREACH(const uint256& hash, vtxid)
+        a.push_back(hash.ToString());
+
+    return a;
+}
+
+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.");
+
+    CBlockIndex* pblockindex = FindBlockByHeight(nHeight);
+    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);
+}
+
+
+
+
+
diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index fa6fdd6d35..d2cb31f51d 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -11,9 +11,6 @@
 using namespace json_spirit;
 using namespace std;
 
-extern double GetDifficulty(const CBlockIndex* blockindex = NULL);
-extern std::string HexBits(unsigned int nBits);
-
 Value getgenerate(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() != 0)
diff --git a/src/rpcrawtransaction.cpp b/src/rpcrawtransaction.cpp
index b037457140..29b9d072d6 100644
--- a/src/rpcrawtransaction.cpp
+++ b/src/rpcrawtransaction.cpp
@@ -18,13 +18,6 @@ using namespace boost;
 using namespace boost::assign;
 using namespace json_spirit;
 
-// These are all in bitcoinrpc.cpp:
-extern Object JSONRPCError(int code, const string& message);
-extern int64 AmountFromValue(const Value& value);
-extern Value ValueFromAmount(int64 amount);
-extern std::string HelpRequiringPassphrase();
-extern void EnsureWalletIsUnlocked();
-
 void
 ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out)
 {
diff --git a/src/rpcwallet.cpp b/src/rpcwallet.cpp
new file mode 100644
index 0000000000..f74f3cb3ad
--- /dev/null
+++ b/src/rpcwallet.cpp
@@ -0,0 +1,1460 @@
+// Copyright (c) 2010 Satoshi Nakamoto
+// Copyright (c) 2009-2012 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "wallet.h"
+#include "walletdb.h"
+#include "bitcoinrpc.h"
+#include "init.h"
+#include "base58.h"
+
+using namespace json_spirit;
+using namespace std;
+
+int64 nWalletUnlockTime;
+static CCriticalSection cs_nWalletUnlockTime;
+
+std::string
+HelpRequiringPassphrase()
+{
+    return pwalletMain->IsCrypted()
+        ? "\nrequires wallet passphrase to be set with walletpassphrase first"
+        : "";
+}
+
+void
+EnsureWalletIsUnlocked()
+{
+    if (pwalletMain->IsLocked())
+        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
+}
+
+void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
+{
+    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)
+        entry.push_back(Pair(item.first, item.second));
+}
+
+string AccountFromValue(const Value& value)
+{
+    string strAccount = value.get_str();
+    if (strAccount == "*")
+        throw JSONRPCError(-11, "Invalid account name");
+    return strAccount;
+}
+
+Value getinfo(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 0)
+        throw runtime_error(
+            "getinfo\n"
+            "Returns an object containing various state info.");
+
+    CService addrProxy;
+    GetProxy(NET_IPV4, addrProxy);
+
+    Object obj;
+    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",         (addrProxy.IsValid() ? addrProxy.ToStringIPPort() : string())));
+    obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
+    obj.push_back(Pair("testnet",       fTestNet));
+    obj.push_back(Pair("keypoololdest", (boost::int64_t)pwalletMain->GetOldestKeyPoolTime()));
+    obj.push_back(Pair("keypoolsize",   pwalletMain->GetKeyPoolSize()));
+    obj.push_back(Pair("paytxfee",      ValueFromAmount(nTransactionFee)));
+    if (pwalletMain->IsCrypted())
+        obj.push_back(Pair("unlocked_until", (boost::int64_t)nWalletUnlockTime / 1000));
+    obj.push_back(Pair("errors",        GetWarnings("statusbar")));
+    return obj;
+}
+
+
+
+Value getnewaddress(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 1)
+        throw runtime_error(
+            "getnewaddress [account]\n"
+            "Returns a new Bitcoin address for receiving payments.  "
+            "If [account] is specified (recommended), it is added to the address book "
+            "so payments received with the address will be credited to [account].");
+
+    // Parse the account first so we don't generate a key if there's an error
+    string strAccount;
+    if (params.size() > 0)
+        strAccount = AccountFromValue(params[0]);
+
+    if (!pwalletMain->IsLocked())
+        pwalletMain->TopUpKeyPool();
+
+    // Generate a new key that is added to wallet
+    CPubKey newKey;
+    if (!pwalletMain->GetKeyFromPool(newKey, false))
+        throw JSONRPCError(-12, "Error: Keypool ran out, please call keypoolrefill first");
+    CKeyID keyID = newKey.GetID();
+
+    pwalletMain->SetAddressBookName(keyID, strAccount);
+
+    return CBitcoinAddress(keyID).ToString();
+}
+
+
+CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
+{
+    CWalletDB walletdb(pwalletMain->strWalletFile);
+
+    CAccount account;
+    walletdb.ReadAccount(strAccount, account);
+
+    bool bKeyUsed = false;
+
+    // Check if the current key has been used
+    if (account.vchPubKey.IsValid())
+    {
+        CScript scriptPubKey;
+        scriptPubKey.SetDestination(account.vchPubKey.GetID());
+        for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
+             it != pwalletMain->mapWallet.end() && account.vchPubKey.IsValid();
+             ++it)
+        {
+            const CWalletTx& wtx = (*it).second;
+            BOOST_FOREACH(const CTxOut& txout, wtx.vout)
+                if (txout.scriptPubKey == scriptPubKey)
+                    bKeyUsed = true;
+        }
+    }
+
+    // Generate a new key
+    if (!account.vchPubKey.IsValid() || bForceNew || bKeyUsed)
+    {
+        if (!pwalletMain->GetKeyFromPool(account.vchPubKey, false))
+            throw JSONRPCError(-12, "Error: Keypool ran out, please call keypoolrefill first");
+
+        pwalletMain->SetAddressBookName(account.vchPubKey.GetID(), strAccount);
+        walletdb.WriteAccount(strAccount, account);
+    }
+
+    return CBitcoinAddress(account.vchPubKey.GetID());
+}
+
+Value getaccountaddress(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "getaccountaddress <account>\n"
+            "Returns the current Bitcoin address for receiving payments to this account.");
+
+    // Parse the account first so we don't generate a key if there's an error
+    string strAccount = AccountFromValue(params[0]);
+
+    Value ret;
+
+    ret = GetAccountAddress(strAccount).ToString();
+
+    return ret;
+}
+
+
+
+Value setaccount(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 2)
+        throw runtime_error(
+            "setaccount <bitcoinaddress> <account>\n"
+            "Sets the account associated with the given address.");
+
+    CBitcoinAddress address(params[0].get_str());
+    if (!address.IsValid())
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
+
+
+    string strAccount;
+    if (params.size() > 1)
+        strAccount = AccountFromValue(params[1]);
+
+    // Detect when changing the account of an address that is the 'unused current key' of another account:
+    if (pwalletMain->mapAddressBook.count(address.Get()))
+    {
+        string strOldAccount = pwalletMain->mapAddressBook[address.Get()];
+        if (address == GetAccountAddress(strOldAccount))
+            GetAccountAddress(strOldAccount, true);
+    }
+
+    pwalletMain->SetAddressBookName(address.Get(), strAccount);
+
+    return Value::null;
+}
+
+
+Value getaccount(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "getaccount <bitcoinaddress>\n"
+            "Returns the account associated with the given address.");
+
+    CBitcoinAddress address(params[0].get_str());
+    if (!address.IsValid())
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
+
+    string strAccount;
+    map<CTxDestination, string>::iterator mi = pwalletMain->mapAddressBook.find(address.Get());
+    if (mi != pwalletMain->mapAddressBook.end() && !(*mi).second.empty())
+        strAccount = (*mi).second;
+    return strAccount;
+}
+
+
+Value getaddressesbyaccount(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "getaddressesbyaccount <account>\n"
+            "Returns the list of addresses for the given account.");
+
+    string strAccount = AccountFromValue(params[0]);
+
+    // Find all addresses that have the given account
+    Array ret;
+    BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
+    {
+        const CBitcoinAddress& address = item.first;
+        const string& strName = item.second;
+        if (strName == strAccount)
+            ret.push_back(address.ToString());
+    }
+    return ret;
+}
+
+Value sendtoaddress(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 2 || params.size() > 4)
+        throw runtime_error(
+            "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
+            "<amount> is a real and is rounded to the nearest 0.00000001"
+            + HelpRequiringPassphrase());
+
+    CBitcoinAddress address(params[0].get_str());
+    if (!address.IsValid())
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
+
+    // Amount
+    int64 nAmount = AmountFromValue(params[1]);
+
+    // Wallet comments
+    CWalletTx wtx;
+    if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
+        wtx.mapValue["comment"] = params[2].get_str();
+    if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
+        wtx.mapValue["to"]      = params[3].get_str();
+
+    if (pwalletMain->IsLocked())
+        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
+
+    string strError = pwalletMain->SendMoneyToDestination(address.Get(), nAmount, wtx);
+    if (strError != "")
+        throw JSONRPCError(-4, strError);
+
+    return wtx.GetHash().GetHex();
+}
+
+Value signmessage(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 2)
+        throw runtime_error(
+            "signmessage <bitcoinaddress> <message>\n"
+            "Sign a message with the private key of an address");
+
+    EnsureWalletIsUnlocked();
+
+    string strAddress = params[0].get_str();
+    string strMessage = params[1].get_str();
+
+    CBitcoinAddress addr(strAddress);
+    if (!addr.IsValid())
+        throw JSONRPCError(-3, "Invalid address");
+
+    CKeyID keyID;
+    if (!addr.GetKeyID(keyID))
+        throw JSONRPCError(-3, "Address does not refer to key");
+
+    CKey key;
+    if (!pwalletMain->GetKey(keyID, key))
+        throw JSONRPCError(-4, "Private key not available");
+
+    CDataStream ss(SER_GETHASH, 0);
+    ss << strMessageMagic;
+    ss << strMessage;
+
+    vector<unsigned char> vchSig;
+    if (!key.SignCompact(Hash(ss.begin(), ss.end()), vchSig))
+        throw JSONRPCError(-5, "Sign failed");
+
+    return EncodeBase64(&vchSig[0], vchSig.size());
+}
+
+Value verifymessage(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 3)
+        throw runtime_error(
+            "verifymessage <bitcoinaddress> <signature> <message>\n"
+            "Verify a signed message");
+
+    string strAddress  = params[0].get_str();
+    string strSign     = params[1].get_str();
+    string strMessage  = params[2].get_str();
+
+    CBitcoinAddress addr(strAddress);
+    if (!addr.IsValid())
+        throw JSONRPCError(-3, "Invalid address");
+
+    CKeyID keyID;
+    if (!addr.GetKeyID(keyID))
+        throw JSONRPCError(-3, "Address does not refer to key");
+
+    bool fInvalid = false;
+    vector<unsigned char> vchSig = DecodeBase64(strSign.c_str(), &fInvalid);
+
+    if (fInvalid)
+        throw JSONRPCError(-5, "Malformed base64 encoding");
+
+    CDataStream ss(SER_GETHASH, 0);
+    ss << strMessageMagic;
+    ss << strMessage;
+
+    CKey key;
+    if (!key.SetCompactSignature(Hash(ss.begin(), ss.end()), vchSig))
+        return false;
+
+    return (key.GetPubKey().GetID() == keyID);
+}
+
+
+Value getreceivedbyaddress(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 2)
+        throw runtime_error(
+            "getreceivedbyaddress <bitcoinaddress> [minconf=1]\n"
+            "Returns the total amount received by <bitcoinaddress> in transactions with at least [minconf] confirmations.");
+
+    // Bitcoin address
+    CBitcoinAddress address = CBitcoinAddress(params[0].get_str());
+    CScript scriptPubKey;
+    if (!address.IsValid())
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
+    scriptPubKey.SetDestination(address.Get());
+    if (!IsMine(*pwalletMain,scriptPubKey))
+        return (double)0.0;
+
+    // Minimum confirmations
+    int nMinDepth = 1;
+    if (params.size() > 1)
+        nMinDepth = params[1].get_int();
+
+    // Tally
+    int64 nAmount = 0;
+    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;
+
+        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
+            if (txout.scriptPubKey == scriptPubKey)
+                if (wtx.GetDepthInMainChain() >= nMinDepth)
+                    nAmount += txout.nValue;
+    }
+
+    return  ValueFromAmount(nAmount);
+}
+
+
+void GetAccountAddresses(string strAccount, set<CTxDestination>& setAddress)
+{
+    BOOST_FOREACH(const PAIRTYPE(CTxDestination, string)& item, pwalletMain->mapAddressBook)
+    {
+        const CTxDestination& address = item.first;
+        const string& strName = item.second;
+        if (strName == strAccount)
+            setAddress.insert(address);
+    }
+}
+
+Value getreceivedbyaccount(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 1 || params.size() > 2)
+        throw runtime_error(
+            "getreceivedbyaccount <account> [minconf=1]\n"
+            "Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
+
+    // Minimum confirmations
+    int nMinDepth = 1;
+    if (params.size() > 1)
+        nMinDepth = params[1].get_int();
+
+    // Get the set of pub keys assigned to account
+    string strAccount = AccountFromValue(params[0]);
+    set<CTxDestination> setAddress;
+    GetAccountAddresses(strAccount, setAddress);
+
+    // Tally
+    int64 nAmount = 0;
+    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;
+
+        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
+        {
+            CTxDestination address;
+            if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*pwalletMain, address) && setAddress.count(address))
+                if (wtx.GetDepthInMainChain() >= nMinDepth)
+                    nAmount += txout.nValue;
+        }
+    }
+
+    return (double)nAmount / (double)COIN;
+}
+
+
+int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
+{
+    int64 nBalance = 0;
+
+    // Tally wallet transactions
+    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
+    {
+        const CWalletTx& wtx = (*it).second;
+        if (!wtx.IsFinal())
+            continue;
+
+        int64 nGenerated, nReceived, nSent, nFee;
+        wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
+
+        if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
+            nBalance += nReceived;
+        nBalance += nGenerated - nSent - nFee;
+    }
+
+    // Tally internal accounting entries
+    nBalance += walletdb.GetAccountCreditDebit(strAccount);
+
+    return nBalance;
+}
+
+int64 GetAccountBalance(const string& strAccount, int nMinDepth)
+{
+    CWalletDB walletdb(pwalletMain->strWalletFile);
+    return GetAccountBalance(walletdb, strAccount, nMinDepth);
+}
+
+
+Value getbalance(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 2)
+        throw runtime_error(
+            "getbalance [account] [minconf=1]\n"
+            "If [account] is not specified, returns the server's total available balance.\n"
+            "If [account] is specified, returns the balance in the account.");
+
+    if (params.size() == 0)
+        return  ValueFromAmount(pwalletMain->GetBalance());
+
+    int nMinDepth = 1;
+    if (params.size() > 1)
+        nMinDepth = params[1].get_int();
+
+    if (params[0].get_str() == "*") {
+        // Calculate total balance a different way from GetBalance()
+        // (GetBalance() sums up all unspent TxOuts)
+        // getbalance and getbalance '*' should always return the same number.
+        int64 nBalance = 0;
+        for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
+        {
+            const CWalletTx& wtx = (*it).second;
+            if (!wtx.IsFinal())
+                continue;
+
+            int64 allGeneratedImmature, allGeneratedMature, allFee;
+            allGeneratedImmature = allGeneratedMature = allFee = 0;
+            string strSentAccount;
+            list<pair<CTxDestination, int64> > listReceived;
+            list<pair<CTxDestination, int64> > listSent;
+            wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
+            if (wtx.GetDepthInMainChain() >= nMinDepth)
+            {
+                BOOST_FOREACH(const PAIRTYPE(CTxDestination,int64)& r, listReceived)
+                    nBalance += r.second;
+            }
+            BOOST_FOREACH(const PAIRTYPE(CTxDestination,int64)& r, listSent)
+                nBalance -= r.second;
+            nBalance -= allFee;
+            nBalance += allGeneratedMature;
+        }
+        return  ValueFromAmount(nBalance);
+    }
+
+    string strAccount = AccountFromValue(params[0]);
+
+    int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
+
+    return ValueFromAmount(nBalance);
+}
+
+
+Value movecmd(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 3 || params.size() > 5)
+        throw runtime_error(
+            "move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
+            "Move from one account in your wallet to another.");
+
+    string strFrom = AccountFromValue(params[0]);
+    string strTo = AccountFromValue(params[1]);
+    int64 nAmount = AmountFromValue(params[2]);
+    if (params.size() > 3)
+        // unused parameter, used to be nMinDepth, keep type-checking it though
+        (void)params[3].get_int();
+    string strComment;
+    if (params.size() > 4)
+        strComment = params[4].get_str();
+
+    CWalletDB walletdb(pwalletMain->strWalletFile);
+    if (!walletdb.TxnBegin())
+        throw JSONRPCError(-20, "database error");
+
+    int64 nNow = GetAdjustedTime();
+
+    // Debit
+    CAccountingEntry debit;
+    debit.strAccount = strFrom;
+    debit.nCreditDebit = -nAmount;
+    debit.nTime = nNow;
+    debit.strOtherAccount = strTo;
+    debit.strComment = strComment;
+    walletdb.WriteAccountingEntry(debit);
+
+    // Credit
+    CAccountingEntry credit;
+    credit.strAccount = strTo;
+    credit.nCreditDebit = nAmount;
+    credit.nTime = nNow;
+    credit.strOtherAccount = strFrom;
+    credit.strComment = strComment;
+    walletdb.WriteAccountingEntry(credit);
+
+    if (!walletdb.TxnCommit())
+        throw JSONRPCError(-20, "database error");
+
+    return true;
+}
+
+
+Value sendfrom(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 3 || params.size() > 6)
+        throw runtime_error(
+            "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
+            "<amount> is a real and is rounded to the nearest 0.00000001"
+            + HelpRequiringPassphrase());
+
+    string strAccount = AccountFromValue(params[0]);
+    CBitcoinAddress address(params[1].get_str());
+    if (!address.IsValid())
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
+    int64 nAmount = AmountFromValue(params[2]);
+    int nMinDepth = 1;
+    if (params.size() > 3)
+        nMinDepth = params[3].get_int();
+
+    CWalletTx wtx;
+    wtx.strFromAccount = strAccount;
+    if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
+        wtx.mapValue["comment"] = params[4].get_str();
+    if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
+        wtx.mapValue["to"]      = params[5].get_str();
+
+    EnsureWalletIsUnlocked();
+
+    // Check funds
+    int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
+    if (nAmount > nBalance)
+        throw JSONRPCError(-6, "Account has insufficient funds");
+
+    // Send
+    string strError = pwalletMain->SendMoneyToDestination(address.Get(), nAmount, wtx);
+    if (strError != "")
+        throw JSONRPCError(-4, strError);
+
+    return wtx.GetHash().GetHex();
+}
+
+
+Value sendmany(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() < 2 || params.size() > 4)
+        throw runtime_error(
+            "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
+            "amounts are double-precision floating point numbers"
+            + HelpRequiringPassphrase());
+
+    string strAccount = AccountFromValue(params[0]);
+    Object sendTo = params[1].get_obj();
+    int nMinDepth = 1;
+    if (params.size() > 2)
+        nMinDepth = params[2].get_int();
+
+    CWalletTx wtx;
+    wtx.strFromAccount = strAccount;
+    if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
+        wtx.mapValue["comment"] = params[3].get_str();
+
+    set<CBitcoinAddress> setAddress;
+    vector<pair<CScript, int64> > vecSend;
+
+    int64 totalAmount = 0;
+    BOOST_FOREACH(const Pair& s, sendTo)
+    {
+        CBitcoinAddress address(s.name_);
+        if (!address.IsValid())
+            throw JSONRPCError(-5, string("Invalid Bitcoin address:")+s.name_);
+
+        if (setAddress.count(address))
+            throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+s.name_);
+        setAddress.insert(address);
+
+        CScript scriptPubKey;
+        scriptPubKey.SetDestination(address.Get());
+        int64 nAmount = AmountFromValue(s.value_);
+        totalAmount += nAmount;
+
+        vecSend.push_back(make_pair(scriptPubKey, nAmount));
+    }
+
+    EnsureWalletIsUnlocked();
+
+    // Check funds
+    int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
+    if (totalAmount > nBalance)
+        throw JSONRPCError(-6, "Account has insufficient funds");
+
+    // Send
+    CReserveKey keyChange(pwalletMain);
+    int64 nFeeRequired = 0;
+    bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
+    if (!fCreated)
+    {
+        if (totalAmount + nFeeRequired > pwalletMain->GetBalance())
+            throw JSONRPCError(-6, "Insufficient funds");
+        throw JSONRPCError(-4, "Transaction creation failed");
+    }
+    if (!pwalletMain->CommitTransaction(wtx, keyChange))
+        throw JSONRPCError(-4, "Transaction commit failed");
+
+    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);
+    }
+
+    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 ((int)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())
+        {
+            CKeyID keyID;
+            if (!address.GetKeyID(keyID))
+                throw runtime_error(
+                    strprintf("%s does not refer to a key",ks.c_str()));
+            CPubKey vchPubKey;
+            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))
+                throw runtime_error(" Invalid public key: "+ks);
+        }
+
+        // Case 2: hex public key
+        else if (IsHex(ks))
+        {
+            CPubKey vchPubKey(ParseHex(ks));
+            if (!vchPubKey.IsValid() || !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);
+    CScriptID innerID = inner.GetID();
+    pwalletMain->AddCScript(inner);
+
+    pwalletMain->SetAddressBookName(innerID, strAccount);
+    return CBitcoinAddress(innerID).ToString();
+}
+
+
+struct tallyitem
+{
+    int64 nAmount;
+    int nConf;
+    tallyitem()
+    {
+        nAmount = 0;
+        nConf = std::numeric_limits<int>::max();
+    }
+};
+
+Value ListReceived(const Array& params, bool fByAccounts)
+{
+    // Minimum confirmations
+    int nMinDepth = 1;
+    if (params.size() > 0)
+        nMinDepth = params[0].get_int();
+
+    // Whether to include empty accounts
+    bool fIncludeEmpty = false;
+    if (params.size() > 1)
+        fIncludeEmpty = params[1].get_bool();
+
+    // Tally
+    map<CBitcoinAddress, tallyitem> mapTally;
+    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;
+
+        int nDepth = wtx.GetDepthInMainChain();
+        if (nDepth < nMinDepth)
+            continue;
+
+        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
+        {
+            CTxDestination address;
+            if (!ExtractDestination(txout.scriptPubKey, address) || !IsMine(*pwalletMain, address))
+                continue;
+
+            tallyitem& item = mapTally[address];
+            item.nAmount += txout.nValue;
+            item.nConf = min(item.nConf, nDepth);
+        }
+    }
+
+    // Reply
+    Array ret;
+    map<string, tallyitem> mapAccountTally;
+    BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
+    {
+        const CBitcoinAddress& address = item.first;
+        const string& strAccount = item.second;
+        map<CBitcoinAddress, tallyitem>::iterator it = mapTally.find(address);
+        if (it == mapTally.end() && !fIncludeEmpty)
+            continue;
+
+        int64 nAmount = 0;
+        int nConf = std::numeric_limits<int>::max();
+        if (it != mapTally.end())
+        {
+            nAmount = (*it).second.nAmount;
+            nConf = (*it).second.nConf;
+        }
+
+        if (fByAccounts)
+        {
+            tallyitem& item = mapAccountTally[strAccount];
+            item.nAmount += nAmount;
+            item.nConf = min(item.nConf, nConf);
+        }
+        else
+        {
+            Object obj;
+            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 == std::numeric_limits<int>::max() ? 0 : nConf)));
+            ret.push_back(obj);
+        }
+    }
+
+    if (fByAccounts)
+    {
+        for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
+        {
+            int64 nAmount = (*it).second.nAmount;
+            int nConf = (*it).second.nConf;
+            Object obj;
+            obj.push_back(Pair("account",       (*it).first));
+            obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
+            obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf)));
+            ret.push_back(obj);
+        }
+    }
+
+    return ret;
+}
+
+Value listreceivedbyaddress(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 2)
+        throw runtime_error(
+            "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
+            "[minconf] is the minimum number of confirmations before payments are included.\n"
+            "[includeempty] whether to include addresses that haven't received any payments.\n"
+            "Returns an array of objects containing:\n"
+            "  \"address\" : receiving address\n"
+            "  \"account\" : the account of the receiving address\n"
+            "  \"amount\" : total amount received by the address\n"
+            "  \"confirmations\" : number of confirmations of the most recent transaction included");
+
+    return ListReceived(params, false);
+}
+
+Value listreceivedbyaccount(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 2)
+        throw runtime_error(
+            "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
+            "[minconf] is the minimum number of confirmations before payments are included.\n"
+            "[includeempty] whether to include accounts that haven't received any payments.\n"
+            "Returns an array of objects containing:\n"
+            "  \"account\" : the account of the receiving addresses\n"
+            "  \"amount\" : total amount received by addresses with this account\n"
+            "  \"confirmations\" : number of confirmations of the most recent transaction included");
+
+    return ListReceived(params, true);
+}
+
+void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
+{
+    int64 nGeneratedImmature, nGeneratedMature, nFee;
+    string strSentAccount;
+    list<pair<CTxDestination, int64> > listReceived;
+    list<pair<CTxDestination, int64> > listSent;
+
+    wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
+
+    bool fAllAccounts = (strAccount == string("*"));
+
+    // Generated blocks assigned to account ""
+    if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
+    {
+        Object entry;
+        entry.push_back(Pair("account", string("")));
+        if (nGeneratedImmature)
+        {
+            entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
+            entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
+        }
+        else
+        {
+            entry.push_back(Pair("category", "generate"));
+            entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
+        }
+        if (fLong)
+            WalletTxToJSON(wtx, entry);
+        ret.push_back(entry);
+    }
+
+    // Sent
+    if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
+    {
+        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64)& s, listSent)
+        {
+            Object entry;
+            entry.push_back(Pair("account", strSentAccount));
+            entry.push_back(Pair("address", CBitcoinAddress(s.first).ToString()));
+            entry.push_back(Pair("category", "send"));
+            entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
+            entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
+            if (fLong)
+                WalletTxToJSON(wtx, entry);
+            ret.push_back(entry);
+        }
+    }
+
+    // Received
+    if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
+    {
+        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64)& r, listReceived)
+        {
+            string account;
+            if (pwalletMain->mapAddressBook.count(r.first))
+                account = pwalletMain->mapAddressBook[r.first];
+            if (fAllAccounts || (account == strAccount))
+            {
+                Object entry;
+                entry.push_back(Pair("account", account));
+                entry.push_back(Pair("address", CBitcoinAddress(r.first).ToString()));
+                entry.push_back(Pair("category", "receive"));
+                entry.push_back(Pair("amount", ValueFromAmount(r.second)));
+                if (fLong)
+                    WalletTxToJSON(wtx, entry);
+                ret.push_back(entry);
+            }
+        }
+    }
+}
+
+void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
+{
+    bool fAllAccounts = (strAccount == string("*"));
+
+    if (fAllAccounts || acentry.strAccount == strAccount)
+    {
+        Object entry;
+        entry.push_back(Pair("account", acentry.strAccount));
+        entry.push_back(Pair("category", "move"));
+        entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
+        entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
+        entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
+        entry.push_back(Pair("comment", acentry.strComment));
+        ret.push_back(entry);
+    }
+}
+
+Value listtransactions(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 3)
+        throw runtime_error(
+            "listtransactions [account] [count=10] [from=0]\n"
+            "Returns up to [count] most recent transactions skipping the first [from] transactions for account [account].");
+
+    string strAccount = "*";
+    if (params.size() > 0)
+        strAccount = params[0].get_str();
+    int nCount = 10;
+    if (params.size() > 1)
+        nCount = params[1].get_int();
+    int nFrom = 0;
+    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);
+
+    // 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);
+        txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
+    }
+    list<CAccountingEntry> acentries;
+    walletdb.ListAccountCreditDebit(strAccount, acentries);
+    BOOST_FOREACH(CAccountingEntry& entry, acentries)
+    {
+        txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
+    }
+
+    // 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)
+            ListTransactions(*pwtx, strAccount, 0, true, ret);
+        CAccountingEntry *const pacentry = (*it).second.second;
+        if (pacentry != 0)
+            AcentryToJSON(*pacentry, strAccount, ret);
+
+        if ((int)ret.size() >= (nCount+nFrom)) break;
+    }
+    // ret is newest to oldest
+
+    if (nFrom > (int)ret.size())
+        nFrom = ret.size();
+    if ((nFrom + nCount) > (int)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;
+}
+
+Value listaccounts(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 1)
+        throw runtime_error(
+            "listaccounts [minconf=1]\n"
+            "Returns Object that has account names as keys, account balances as values.");
+
+    int nMinDepth = 1;
+    if (params.size() > 0)
+        nMinDepth = params[0].get_int();
+
+    map<string, int64> mapAccountBalances;
+    BOOST_FOREACH(const PAIRTYPE(CTxDestination, string)& entry, pwalletMain->mapAddressBook) {
+        if (IsMine(*pwalletMain, entry.first)) // This address belongs to me
+            mapAccountBalances[entry.second] = 0;
+    }
+
+    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
+    {
+        const CWalletTx& wtx = (*it).second;
+        int64 nGeneratedImmature, nGeneratedMature, nFee;
+        string strSentAccount;
+        list<pair<CTxDestination, int64> > listReceived;
+        list<pair<CTxDestination, int64> > listSent;
+        wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
+        mapAccountBalances[strSentAccount] -= nFee;
+        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64)& s, listSent)
+            mapAccountBalances[strSentAccount] -= s.second;
+        if (wtx.GetDepthInMainChain() >= nMinDepth)
+        {
+            mapAccountBalances[""] += nGeneratedMature;
+            BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64)& r, listReceived)
+                if (pwalletMain->mapAddressBook.count(r.first))
+                    mapAccountBalances[pwalletMain->mapAddressBook[r.first]] += r.second;
+                else
+                    mapAccountBalances[""] += r.second;
+        }
+    }
+
+    list<CAccountingEntry> acentries;
+    CWalletDB(pwalletMain->strWalletFile).ListAccountCreditDebit("*", acentries);
+    BOOST_FOREACH(const CAccountingEntry& entry, acentries)
+        mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
+
+    Object ret;
+    BOOST_FOREACH(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
+        ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
+    }
+    return ret;
+}
+
+Value listsinceblock(const Array& params, bool fHelp)
+{
+    if (fHelp)
+        throw runtime_error(
+            "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;
+
+    if (params.size() > 0)
+    {
+        uint256 blockId = 0;
+
+        blockId.SetHex(params[0].get_str());
+        pindex = CBlockLocator(blockId).GetBlockIndex();
+    }
+
+    if (params.size() > 1)
+    {
+        target_confirms = params[1].get_int();
+
+        if (target_confirms < 1)
+            throw JSONRPCError(-8, "Invalid parameter");
+    }
+
+    int depth = pindex ? (1 + nBestHeight - pindex->nHeight) : -1;
+
+    Array transactions;
+
+    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); it++)
+    {
+        CWalletTx tx = (*it).second;
+
+        if (depth == -1 || tx.GetDepthInMainChain() < depth)
+            ListTransactions(tx, "*", 0, true, transactions);
+    }
+
+    uint256 lastblock;
+
+    if (target_confirms == 1)
+    {
+        lastblock = hashBestChain;
+    }
+    else
+    {
+        int target_height = pindexBest->nHeight + 1 - target_confirms;
+
+        CBlockIndex *block;
+        for (block = pindexBest;
+             block && block->nHeight > target_height;
+             block = block->pprev)  { }
+
+        lastblock = block ? block->GetBlockHash() : 0;
+    }
+
+    Object ret;
+    ret.push_back(Pair("transactions", transactions));
+    ret.push_back(Pair("lastblock", lastblock.GetHex()));
+
+    return ret;
+}
+
+Value gettransaction(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "gettransaction <txid>\n"
+            "Get detailed information about in-wallet transaction <txid>");
+
+    uint256 hash;
+    hash.SetHex(params[0].get_str());
+
+    Object entry;
+    if (!pwalletMain->mapWallet.count(hash))
+        throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
+    const CWalletTx& wtx = pwalletMain->mapWallet[hash];
+
+    int64 nCredit = wtx.GetCredit();
+    int64 nDebit = wtx.GetDebit();
+    int64 nNet = nCredit - nDebit;
+    int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
+
+    entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
+    if (wtx.IsFromMe())
+        entry.push_back(Pair("fee", ValueFromAmount(nFee)));
+
+    WalletTxToJSON(wtx, entry);
+
+    Array details;
+    ListTransactions(wtx, "*", 0, false, details);
+    entry.push_back(Pair("details", details));
+
+    return entry;
+}
+
+
+Value backupwallet(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "backupwallet <destination>\n"
+            "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
+
+    string strDest = params[0].get_str();
+    BackupWallet(*pwalletMain, strDest);
+
+    return Value::null;
+}
+
+
+Value keypoolrefill(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() > 0)
+        throw runtime_error(
+            "keypoolrefill\n"
+            "Fills the keypool."
+            + HelpRequiringPassphrase());
+
+    EnsureWalletIsUnlocked();
+
+    pwalletMain->TopUpKeyPool();
+
+    if (pwalletMain->GetKeyPoolSize() < GetArg("-keypool", 100))
+        throw JSONRPCError(-4, "Error refreshing keypool.");
+
+    return Value::null;
+}
+
+
+void ThreadTopUpKeyPool(void* parg)
+{
+    // Make this thread recognisable as the key-topping-up thread
+    RenameThread("bitcoin-key-top");
+
+    pwalletMain->TopUpKeyPool();
+}
+
+void ThreadCleanWalletPassphrase(void* parg)
+{
+    // Make this thread recognisable as the wallet relocking thread
+    RenameThread("bitcoin-lock-wa");
+
+    int64 nMyWakeTime = GetTimeMillis() + *((int64*)parg) * 1000;
+
+    ENTER_CRITICAL_SECTION(cs_nWalletUnlockTime);
+
+    if (nWalletUnlockTime == 0)
+    {
+        nWalletUnlockTime = nMyWakeTime;
+
+        do
+        {
+            if (nWalletUnlockTime==0)
+                break;
+            int64 nToSleep = nWalletUnlockTime - GetTimeMillis();
+            if (nToSleep <= 0)
+                break;
+
+            LEAVE_CRITICAL_SECTION(cs_nWalletUnlockTime);
+            Sleep(nToSleep);
+            ENTER_CRITICAL_SECTION(cs_nWalletUnlockTime);
+
+        } while(1);
+
+        if (nWalletUnlockTime)
+        {
+            nWalletUnlockTime = 0;
+            pwalletMain->Lock();
+        }
+    }
+    else
+    {
+        if (nWalletUnlockTime < nMyWakeTime)
+            nWalletUnlockTime = nMyWakeTime;
+    }
+
+    LEAVE_CRITICAL_SECTION(cs_nWalletUnlockTime);
+
+    delete (int64*)parg;
+}
+
+Value walletpassphrase(const Array& params, bool fHelp)
+{
+    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
+        throw runtime_error(
+            "walletpassphrase <passphrase> <timeout>\n"
+            "Stores the wallet decryption key in memory for <timeout> seconds.");
+    if (fHelp)
+        return true;
+    if (!pwalletMain->IsCrypted())
+        throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletpassphrase was called.");
+
+    if (!pwalletMain->IsLocked())
+        throw JSONRPCError(-17, "Error: Wallet is already unlocked.");
+
+    // Note that the walletpassphrase is stored in params[0] which is not mlock()ed
+    SecureString strWalletPass;
+    strWalletPass.reserve(100);
+    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
+    // Alternately, find a way to make params[0] mlock()'d to begin with.
+    strWalletPass = params[0].get_str().c_str();
+
+    if (strWalletPass.length() > 0)
+    {
+        if (!pwalletMain->Unlock(strWalletPass))
+            throw JSONRPCError(-14, "Error: The wallet passphrase entered was incorrect.");
+    }
+    else
+        throw runtime_error(
+            "walletpassphrase <passphrase> <timeout>\n"
+            "Stores the wallet decryption key in memory for <timeout> seconds.");
+
+    CreateThread(ThreadTopUpKeyPool, NULL);
+    int64* pnSleepTime = new int64(params[1].get_int64());
+    CreateThread(ThreadCleanWalletPassphrase, pnSleepTime);
+
+    return Value::null;
+}
+
+
+Value walletpassphrasechange(const Array& params, bool fHelp)
+{
+    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
+        throw runtime_error(
+            "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
+            "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");
+    if (fHelp)
+        return true;
+    if (!pwalletMain->IsCrypted())
+        throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletpassphrasechange was called.");
+
+    // TODO: get rid of these .c_str() calls by implementing SecureString::operator=(std::string)
+    // Alternately, find a way to make params[0] mlock()'d to begin with.
+    SecureString strOldWalletPass;
+    strOldWalletPass.reserve(100);
+    strOldWalletPass = params[0].get_str().c_str();
+
+    SecureString strNewWalletPass;
+    strNewWalletPass.reserve(100);
+    strNewWalletPass = params[1].get_str().c_str();
+
+    if (strOldWalletPass.length() < 1 || strNewWalletPass.length() < 1)
+        throw runtime_error(
+            "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
+            "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");
+
+    if (!pwalletMain->ChangeWalletPassphrase(strOldWalletPass, strNewWalletPass))
+        throw JSONRPCError(-14, "Error: The wallet passphrase entered was incorrect.");
+
+    return Value::null;
+}
+
+
+Value walletlock(const Array& params, bool fHelp)
+{
+    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 0))
+        throw runtime_error(
+            "walletlock\n"
+            "Removes the wallet encryption key from memory, locking the wallet.\n"
+            "After calling this method, you will need to call walletpassphrase again\n"
+            "before being able to call any methods which require the wallet to be unlocked.");
+    if (fHelp)
+        return true;
+    if (!pwalletMain->IsCrypted())
+        throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletlock was called.");
+
+    {
+        LOCK(cs_nWalletUnlockTime);
+        pwalletMain->Lock();
+        nWalletUnlockTime = 0;
+    }
+
+    return Value::null;
+}
+
+
+Value encryptwallet(const Array& params, bool fHelp)
+{
+    if (!pwalletMain->IsCrypted() && (fHelp || params.size() != 1))
+        throw runtime_error(
+            "encryptwallet <passphrase>\n"
+            "Encrypts the wallet with <passphrase>.");
+    if (fHelp)
+        return true;
+    if (pwalletMain->IsCrypted())
+        throw JSONRPCError(-15, "Error: running with an encrypted wallet, but encryptwallet was called.");
+
+    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
+    // Alternately, find a way to make params[0] mlock()'d to begin with.
+    SecureString strWalletPass;
+    strWalletPass.reserve(100);
+    strWalletPass = params[0].get_str().c_str();
+
+    if (strWalletPass.length() < 1)
+        throw runtime_error(
+            "encryptwallet <passphrase>\n"
+            "Encrypts the wallet with <passphrase>.");
+
+    if (!pwalletMain->EncryptWallet(strWalletPass))
+        throw JSONRPCError(-16, "Error: Failed to encrypt the wallet.");
+
+    // BDB seems to have a bad habit of writing old data into
+    // slack space in .dat files; that is bad if the old data is
+    // unencrypted private keys.  So:
+    StartShutdown();
+    return "wallet encrypted; Bitcoin server stopping, restart to run with encrypted wallet";
+}
+
+class DescribeAddressVisitor : public boost::static_visitor<Object>
+{
+public:
+    Object operator()(const CNoDestination &dest) const { return Object(); }
+
+    Object operator()(const CKeyID &keyID) const {
+        Object obj;
+        CPubKey vchPubKey;
+        pwalletMain->GetPubKey(keyID, vchPubKey);
+        obj.push_back(Pair("isscript", false));
+        obj.push_back(Pair("pubkey", HexStr(vchPubKey.Raw())));
+        obj.push_back(Pair("iscompressed", vchPubKey.IsCompressed()));
+        return obj;
+    }
+
+    Object operator()(const CScriptID &scriptID) const {
+        Object obj;
+        obj.push_back(Pair("isscript", true));
+        CScript subscript;
+        pwalletMain->GetCScript(scriptID, subscript);
+        std::vector<CTxDestination> addresses;
+        txnouttype whichType;
+        int nRequired;
+        ExtractDestinations(subscript, whichType, addresses, nRequired);
+        obj.push_back(Pair("script", GetTxnOutputType(whichType)));
+        Array a;
+        BOOST_FOREACH(const CTxDestination& addr, addresses)
+            a.push_back(CBitcoinAddress(addr).ToString());
+        obj.push_back(Pair("addresses", a));
+        if (whichType == TX_MULTISIG)
+            obj.push_back(Pair("sigsrequired", nRequired));
+        return obj;
+    }
+};
+
+Value validateaddress(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "validateaddress <bitcoinaddress>\n"
+            "Return information about <bitcoinaddress>.");
+
+    CBitcoinAddress address(params[0].get_str());
+    bool isValid = address.IsValid();
+
+    Object ret;
+    ret.push_back(Pair("isvalid", isValid));
+    if (isValid)
+    {
+        CTxDestination dest = address.Get();
+        string currentAddress = address.ToString();
+        ret.push_back(Pair("address", currentAddress));
+        bool fMine = IsMine(*pwalletMain, dest);
+        ret.push_back(Pair("ismine", fMine));
+        if (fMine) {
+            Object detail = boost::apply_visitor(DescribeAddressVisitor(), dest);
+            ret.insert(ret.end(), detail.begin(), detail.end());
+        }
+        if (pwalletMain->mapAddressBook.count(dest))
+            ret.push_back(Pair("account", pwalletMain->mapAddressBook[dest]));
+    }
+    return ret;
+}
+