diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index 14ee947c2..f79216e8d 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -119,7 +119,6 @@ HEADERS += src/qt/bitcoingui.h \
     src/db.h \
     src/script.h \
     src/init.h \
-    src/headers.h \
     src/irc.h \
     src/mruset.h \
     src/json/json_spirit_writer_template.h \
diff --git a/src/addrman.h b/src/addrman.h
index 7652df66a..160f8f8ff 100644
--- a/src/addrman.h
+++ b/src/addrman.h
@@ -6,7 +6,6 @@
 
 #include "netbase.h"
 #include "protocol.h"
-#include "util.h"
 
 
 #include <map>
diff --git a/src/allocators.h b/src/allocators.h
index 85d9cfbbb..cdea66dd3 100644
--- a/src/allocators.h
+++ b/src/allocators.h
@@ -8,6 +8,9 @@
 #include <string>
 
 #ifdef WIN32
+#ifdef _WIN32_WINNT
+#undef _WIN32_WINNT
+#endif
 #define _WIN32_WINNT 0x0501
 #define WIN32_LEAN_AND_MEAN 1
 #ifndef NOMINMAX
diff --git a/src/base58.h b/src/base58.h
index 90ce34b05..24b7f3ab1 100644
--- a/src/base58.h
+++ b/src/base58.h
@@ -19,6 +19,7 @@
 #include <vector>
 #include "bignum.h"
 #include "key.h"
+#include "util.h"
 
 static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
 
diff --git a/src/bignum.h b/src/bignum.h
index daf5f6883..cea8e1e35 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -9,7 +9,7 @@
 #include <vector>
 #include <openssl/bn.h>
 
-#include "util.h"
+#include "util.h" // for uint64
 
 /** Errors thrown by the bignum class */
 class bignum_error : public std::runtime_error
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index 9fafee320..9294f9357 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -3,10 +3,13 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
+#include "main.h"
+#include "wallet.h"
 #include "db.h"
 #include "net.h"
 #include "init.h"
+#include "ui_interface.h"
+
 #undef printf
 #include <boost/asio.hpp>
 #include <boost/filesystem.hpp>
diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index f5ce05387..cf56fa069 100644
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -5,9 +5,11 @@
 #include <boost/assign/list_of.hpp> // for 'map_list_of()'
 #include <boost/foreach.hpp>
 
-#include "headers.h"
 #include "checkpoints.h"
 
+#include "main.h"
+#include "uint256.h"
+
 namespace Checkpoints
 {
     typedef std::map<int, uint256> MapCheckpoints;
diff --git a/src/checkpoints.h b/src/checkpoints.h
index 38902ac0a..5d3228f3f 100644
--- a/src/checkpoints.h
+++ b/src/checkpoints.h
@@ -5,7 +5,6 @@
 #define  BITCOIN_CHECKPOINT_H
 
 #include <map>
-#include "util.h"
 
 class uint256;
 class CBlockIndex;
diff --git a/src/compat.h b/src/compat.h
index 882610031..db340445b 100644
--- a/src/compat.h
+++ b/src/compat.h
@@ -5,6 +5,28 @@
 #ifndef _BITCOIN_COMPAT_H
 #define _BITCOIN_COMPAT_H 1
 
+#ifdef WIN32
+#define _WIN32_WINNT 0x0501
+#define WIN32_LEAN_AND_MEAN 1
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
+#include <winsock2.h>
+#include <mswsock.h>
+#include <ws2tcpip.h>
+#else
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/fcntl.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <net/if.h>
+#include <ifaddrs.h>
+#endif
+#ifdef BSD
+#include <netinet/in.h>
+#endif
+
 typedef u_int SOCKET;
 #ifdef WIN32
 #define MSG_NOSIGNAL        0
@@ -39,4 +61,5 @@ inline int myclosesocket(SOCKET& hSocket)
 }
 #define closesocket(s)      myclosesocket(s)
 
+
 #endif
diff --git a/src/crypter.cpp b/src/crypter.cpp
index 2501305ed..5713faf12 100644
--- a/src/crypter.cpp
+++ b/src/crypter.cpp
@@ -6,13 +6,11 @@
 #include <openssl/evp.h>
 #include <vector>
 #include <string>
-#include "headers.h"
 #ifdef WIN32
 #include <windows.h>
 #endif
 
 #include "crypter.h"
-#include "main.h"
 #include "util.h"
 
 bool CCrypter::SetKeyFromPassphrase(const SecureString& strKeyData, const std::vector<unsigned char>& chSalt, const unsigned int nRounds, const unsigned int nDerivationMethod)
diff --git a/src/db.cpp b/src/db.cpp
index 2d136914c..60dba3b35 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -3,13 +3,18 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
 #include "db.h"
-#include "net.h"
+#include "util.h"
+#include "main.h"
+#include "wallet.h"
 #include <boost/version.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/filesystem/fstream.hpp>
 
+#ifndef WIN32
+#include "sys/stat.h"
+#endif
+
 using namespace std;
 using namespace boost;
 
diff --git a/src/db.h b/src/db.h
index 47fa40245..9ebcf0d4b 100644
--- a/src/db.h
+++ b/src/db.h
@@ -6,6 +6,8 @@
 #define BITCOIN_DB_H
 
 #include "key.h"
+#include "main.h"
+#include "wallet.h"
 
 #include <map>
 #include <string>
@@ -313,34 +315,6 @@ public:
 bool LoadAddresses();
 
 
-/** A key pool entry */
-class CKeyPool
-{
-public:
-    int64 nTime;
-    std::vector<unsigned char> vchPubKey;
-
-    CKeyPool()
-    {
-        nTime = GetTime();
-    }
-
-    CKeyPool(const std::vector<unsigned char>& vchPubKeyIn)
-    {
-        nTime = GetTime();
-        vchPubKey = vchPubKeyIn;
-    }
-
-    IMPLEMENT_SERIALIZE
-    (
-        if (!(nType & SER_GETHASH))
-            READWRITE(nVersion);
-        READWRITE(nTime);
-        READWRITE(vchPubKey);
-    )
-};
-
-
 
 /** Error statuses for the wallet database */
 enum DBErrors
diff --git a/src/headers.h b/src/headers.h
deleted file mode 100644
index ceee02897..000000000
--- a/src/headers.h
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2012 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
-
-#ifdef _MSC_VER
-#pragma warning(disable:4786)
-#pragma warning(disable:4804)
-#pragma warning(disable:4805)
-#pragma warning(disable:4717)
-#endif
-#ifdef _WIN32_WINNT
-#undef _WIN32_WINNT
-#endif
-#define _WIN32_WINNT 0x0501
-#ifdef _WIN32_IE
-#undef _WIN32_IE
-#endif
-#define _WIN32_IE 0x0400
-#define WIN32_LEAN_AND_MEAN 1
-#ifndef NOMINMAX
-#define NOMINMAX
-#endif
-// Include boost/foreach here as it defines __STDC_LIMIT_MACROS on some systems.
-#include <boost/foreach.hpp>
-
-#if (defined(__unix__) || defined(unix)) && !defined(USG)
-#include <sys/param.h>  // to get BSD define
-#endif
-#ifdef MAC_OSX
-#ifndef BSD
-#define BSD 1
-#endif
-#endif
-#include <openssl/buffer.h>
-#include <openssl/ecdsa.h>
-#include <openssl/evp.h>
-#include <openssl/rand.h>
-#include <openssl/sha.h>
-#include <openssl/ripemd.h>
-#include <db_cxx.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <math.h>
-#include <float.h>
-#include <assert.h>
-#include <iostream>
-#include <sstream>
-#include <string>
-#include <vector>
-#include <list>
-#include <deque>
-#include <map>
-
-#ifdef WIN32
-#include <windows.h>
-#include <winsock2.h>
-#include <mswsock.h>
-#include <shlobj.h>
-#include <shlwapi.h>
-#include <io.h>
-#include <process.h>
-#include <malloc.h>
-#else
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <unistd.h>
-#include <errno.h>
-#include <net/if.h>
-#include <ifaddrs.h>
-#include <fcntl.h>
-#include <signal.h>
-#endif
-#ifdef BSD
-#include <netinet/in.h>
-#endif
-
-
-#include "serialize.h"
-#include "uint256.h"
-#include "util.h"
-#include "bignum.h"
-#include "base58.h"
-#include "main.h"
-#include "wallet.h"
-#include "ui_interface.h"
diff --git a/src/init.cpp b/src/init.cpp
index 2be0027a5..2f03f24eb 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -2,19 +2,20 @@
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
-#include "headers.h"
 #include "db.h"
 #include "bitcoinrpc.h"
 #include "net.h"
 #include "init.h"
 #include "strlcpy.h"
+#include "util.h"
+#include "ui_interface.h"
 #include <boost/filesystem.hpp>
 #include <boost/filesystem/fstream.hpp>
 #include <boost/filesystem/convenience.hpp>
 #include <boost/interprocess/sync/file_lock.hpp>
 
-#ifdef WIN32
-#define strncasecmp strnicmp
+#ifndef WIN32
+#include <signal.h>
 #endif
 
 using namespace std;
@@ -583,145 +584,3 @@ bool AppInit2(int argc, char* argv[])
     return true;
 }
 
-#ifdef WIN32
-boost::filesystem::path StartupShortcutPath()
-{
-    return MyGetSpecialFolderPath(CSIDL_STARTUP, true) / "Bitcoin.lnk";
-}
-
-bool GetStartOnSystemStartup()
-{
-    return filesystem::exists(StartupShortcutPath());
-}
-
-bool SetStartOnSystemStartup(bool fAutoStart)
-{
-    // If the shortcut exists already, remove it for updating
-    boost::filesystem::remove(StartupShortcutPath());
-
-    if (fAutoStart)
-    {
-        CoInitialize(NULL);
-
-        // Get a pointer to the IShellLink interface.
-        IShellLink* psl = NULL;
-        HRESULT hres = CoCreateInstance(CLSID_ShellLink, NULL,
-                                CLSCTX_INPROC_SERVER, IID_IShellLink,
-                                reinterpret_cast<void**>(&psl));
-
-        if (SUCCEEDED(hres))
-        {
-            // Get the current executable path
-            TCHAR pszExePath[MAX_PATH];
-            GetModuleFileName(NULL, pszExePath, sizeof(pszExePath));
-
-            TCHAR pszArgs[5] = TEXT("-min");
-
-            // Set the path to the shortcut target
-            psl->SetPath(pszExePath);
-            PathRemoveFileSpec(pszExePath);
-            psl->SetWorkingDirectory(pszExePath);
-            psl->SetShowCmd(SW_SHOWMINNOACTIVE);
-            psl->SetArguments(pszArgs);
-
-            // Query IShellLink for the IPersistFile interface for
-            // saving the shortcut in persistent storage.
-            IPersistFile* ppf = NULL;
-            hres = psl->QueryInterface(IID_IPersistFile,
-                                       reinterpret_cast<void**>(&ppf));
-            if (SUCCEEDED(hres))
-            {
-                WCHAR pwsz[MAX_PATH];
-                // Ensure that the string is ANSI.
-                MultiByteToWideChar(CP_ACP, 0, StartupShortcutPath().string().c_str(), -1, pwsz, MAX_PATH);
-                // Save the link by calling IPersistFile::Save.
-                hres = ppf->Save(pwsz, TRUE);
-                ppf->Release();
-                psl->Release();
-                CoUninitialize();
-                return true;
-            }
-            psl->Release();
-        }
-        CoUninitialize();
-        return false;
-    }
-    return true;
-}
-
-#elif defined(LINUX)
-
-// Follow the Desktop Application Autostart Spec:
-//  http://standards.freedesktop.org/autostart-spec/autostart-spec-latest.html
-
-boost::filesystem::path GetAutostartDir()
-{
-    namespace fs = boost::filesystem;
-
-    char* pszConfigHome = getenv("XDG_CONFIG_HOME");
-    if (pszConfigHome) return fs::path(pszConfigHome) / "autostart";
-    char* pszHome = getenv("HOME");
-    if (pszHome) return fs::path(pszHome) / ".config" / "autostart";
-    return fs::path();
-}
-
-boost::filesystem::path GetAutostartFilePath()
-{
-    return GetAutostartDir() / "bitcoin.desktop";
-}
-
-bool GetStartOnSystemStartup()
-{
-    boost::filesystem::ifstream optionFile(GetAutostartFilePath());
-    if (!optionFile.good())
-        return false;
-    // Scan through file for "Hidden=true":
-    string line;
-    while (!optionFile.eof())
-    {
-        getline(optionFile, line);
-        if (line.find("Hidden") != string::npos &&
-            line.find("true") != string::npos)
-            return false;
-    }
-    optionFile.close();
-
-    return true;
-}
-
-bool SetStartOnSystemStartup(bool fAutoStart)
-{
-    if (!fAutoStart)
-        boost::filesystem::remove(GetAutostartFilePath());
-    else
-    {
-        char pszExePath[MAX_PATH+1];
-        memset(pszExePath, 0, sizeof(pszExePath));
-        if (readlink("/proc/self/exe", pszExePath, sizeof(pszExePath)-1) == -1)
-            return false;
-
-        boost::filesystem::create_directories(GetAutostartDir());
-
-        boost::filesystem::ofstream optionFile(GetAutostartFilePath(), ios_base::out|ios_base::trunc);
-        if (!optionFile.good())
-            return false;
-        // Write a bitcoin.desktop file to the autostart directory:
-        optionFile << "[Desktop Entry]\n";
-        optionFile << "Type=Application\n";
-        optionFile << "Name=Bitcoin\n";
-        optionFile << "Exec=" << pszExePath << " -min\n";
-        optionFile << "Terminal=false\n";
-        optionFile << "Hidden=false\n";
-        optionFile.close();
-    }
-    return true;
-}
-#else
-
-// TODO: OSX startup stuff; see:
-// http://developer.apple.com/mac/library/documentation/MacOSX/Conceptual/BPSystemStartup/Articles/CustomLogin.html
-
-bool GetStartOnSystemStartup() { return false; }
-bool SetStartOnSystemStartup(bool fAutoStart) { return false; }
-
-#endif
diff --git a/src/init.h b/src/init.h
index 0d60e7549..e3971c85e 100644
--- a/src/init.h
+++ b/src/init.h
@@ -5,6 +5,8 @@
 #ifndef BITCOIN_INIT_H
 #define BITCOIN_INIT_H
 
+#include "wallet.h"
+
 extern CWallet* pwalletMain;
 
 void Shutdown(void* parg);
diff --git a/src/irc.cpp b/src/irc.cpp
index d535f59c4..237497055 100644
--- a/src/irc.cpp
+++ b/src/irc.cpp
@@ -3,10 +3,10 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
 #include "irc.h"
 #include "net.h"
 #include "strlcpy.h"
+#include "base58.h"
 
 using namespace std;
 using namespace boost;
diff --git a/src/keystore.cpp b/src/keystore.cpp
index 7b46f6b07..664f0b124 100644
--- a/src/keystore.cpp
+++ b/src/keystore.cpp
@@ -3,9 +3,8 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
+#include "keystore.h"
 #include "crypter.h"
-#include "db.h"
 #include "script.h"
 
 bool CKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char> &vchPubKeyOut) const
diff --git a/src/main.cpp b/src/main.cpp
index 60b398c19..c2236d999 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,11 +2,11 @@
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
-#include "headers.h"
 #include "checkpoints.h"
 #include "db.h"
 #include "net.h"
 #include "init.h"
+#include "ui_interface.h"
 #include <boost/algorithm/string/replace.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/filesystem/fstream.hpp>
diff --git a/src/main.h b/src/main.h
index c48252fbc..a67449007 100644
--- a/src/main.h
+++ b/src/main.h
@@ -9,7 +9,6 @@
 #include "net.h"
 #include "key.h"
 #include "script.h"
-#include "db.h"
 #include "version.h"
 
 #ifdef WIN32
@@ -35,8 +34,6 @@ static const unsigned int MAX_BLOCK_SIZE = 1000000;
 static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2;
 static const int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
 static const int MAX_ORPHAN_TRANSACTIONS = MAX_BLOCK_SIZE/100;
-static const int64 COIN = 100000000;
-static const int64 CENT = 1000000;
 static const int64 MIN_TX_FEE = 50000;
 static const int64 MIN_RELAY_TX_FEE = 10000;
 static const int64 MAX_MONEY = 21000000 * COIN;
diff --git a/src/net.cpp b/src/net.cpp
index 7d621ac59..38c0d3d58 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -3,13 +3,13 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
 #include "irc.h"
 #include "db.h"
 #include "net.h"
 #include "init.h"
 #include "strlcpy.h"
 #include "addrman.h"
+#include "ui_interface.h"
 
 #ifdef WIN32
 #include <string.h>
diff --git a/src/netbase.h b/src/netbase.h
index 6a257cf9f..00b6850b2 100644
--- a/src/netbase.h
+++ b/src/netbase.h
@@ -7,27 +7,6 @@
 #include <string>
 #include <vector>
 
-#ifdef WIN32
-#define _WIN32_WINNT 0x0501
-#define WIN32_LEAN_AND_MEAN 1
-#ifndef NOMINMAX
-#define NOMINMAX
-#endif
-#include <winsock2.h>
-#include <mswsock.h>
-#include <ws2tcpip.h>
-#else
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <net/if.h>
-#include <ifaddrs.h>
-#endif
-#ifdef BSD
-#include <netinet/in.h>
-#endif
-
 #include "serialize.h"
 #include "compat.h"
 
diff --git a/src/noui.cpp b/src/noui.cpp
index 077e460a7..08a08b439 100644
--- a/src/noui.cpp
+++ b/src/noui.cpp
@@ -5,7 +5,6 @@
 #include "ui_interface.h"
 
 #include <string>
-#include "headers.h"
 #include "init.h"
 
 int ThreadSafeMessageBox(const std::string& message, const std::string& caption, int style)
diff --git a/src/qt/addresstablemodel.cpp b/src/qt/addresstablemodel.cpp
index 0239a167d..7b95f51c0 100644
--- a/src/qt/addresstablemodel.cpp
+++ b/src/qt/addresstablemodel.cpp
@@ -2,7 +2,7 @@
 #include "guiutil.h"
 #include "walletmodel.h"
 
-#include "headers.h"
+#include "wallet.h"
 
 #include <QFont>
 #include <QColor>
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 463b2cfa7..dfcd2af3f 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -7,7 +7,6 @@
 #include "optionsmodel.h"
 #include "guiutil.h"
 
-#include "headers.h"
 #include "init.h"
 #include "qtipcserver.h"
 
diff --git a/src/qt/clientmodel.cpp b/src/qt/clientmodel.cpp
index 284bee0e8..cb602ce32 100644
--- a/src/qt/clientmodel.cpp
+++ b/src/qt/clientmodel.cpp
@@ -4,7 +4,7 @@
 #include "addresstablemodel.h"
 #include "transactiontablemodel.h"
 
-#include "headers.h"
+#include "main.h"
 
 #include <QDateTime>
 
diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index cb2473240..f1e8a5f1b 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -3,8 +3,6 @@
 #include "walletmodel.h"
 #include "bitcoinunits.h"
 
-#include "headers.h"
-
 #include <QString>
 #include <QDateTime>
 #include <QDoubleValidator>
diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp
index ed2225cbf..736be7f70 100644
--- a/src/qt/optionsmodel.cpp
+++ b/src/qt/optionsmodel.cpp
@@ -2,8 +2,8 @@
 #include "bitcoinunits.h"
 #include <QSettings>
 
-#include "headers.h"
 #include "init.h"
+#include "db.h"
 
 OptionsModel::OptionsModel(QObject *parent) :
     QAbstractListModel(parent)
diff --git a/src/qt/qtipcserver.cpp b/src/qt/qtipcserver.cpp
index 3c7889ca7..f7bccaaf0 100644
--- a/src/qt/qtipcserver.cpp
+++ b/src/qt/qtipcserver.cpp
@@ -7,7 +7,7 @@
 #include <boost/tokenizer.hpp>
 #include <boost/date_time/posix_time/posix_time.hpp>
 
-#include "headers.h"
+#include "util.h"
 #include "qtipcserver.h"
 
 using namespace boost::interprocess;
diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp
index dd7dd6139..286cddf2a 100644
--- a/src/qt/transactiondesc.cpp
+++ b/src/qt/transactiondesc.cpp
@@ -3,7 +3,9 @@
 #include "guiutil.h"
 #include "bitcoinunits.h"
 
-#include "headers.h"
+#include "main.h"
+#include "wallet.h"
+#include "db.h"
 #include "ui_interface.h"
 
 #include <QString>
diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp
index 2f3b29cc9..32350eaa5 100644
--- a/src/qt/transactionrecord.cpp
+++ b/src/qt/transactionrecord.cpp
@@ -1,6 +1,6 @@
 #include "transactionrecord.h"
 
-#include "headers.h"
+#include "wallet.h"
 
 /* Return positive answer if transaction should be shown in list.
  */
diff --git a/src/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp
index 41c9db112..5f505f444 100644
--- a/src/qt/transactiontablemodel.cpp
+++ b/src/qt/transactiontablemodel.cpp
@@ -8,7 +8,7 @@
 #include "addresstablemodel.h"
 #include "bitcoinunits.h"
 
-#include "headers.h"
+#include "wallet.h"
 
 #include <QLocale>
 #include <QList>
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index 9c28a8abc..8206394d2 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -4,7 +4,7 @@
 #include "addresstablemodel.h"
 #include "transactiontablemodel.h"
 
-#include "headers.h"
+#include "wallet.h"
 #include "db.h" // for BackupWallet
 
 #include <QSet>
diff --git a/src/rpcdump.cpp b/src/rpcdump.cpp
index 5bb4789cd..1bc87e921 100644
--- a/src/rpcdump.cpp
+++ b/src/rpcdump.cpp
@@ -2,9 +2,9 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
 #include "init.h" // for pwalletMain
 #include "bitcoinrpc.h"
+#include "ui_interface.h"
 
 #include <boost/lexical_cast.hpp>
 
diff --git a/src/script.cpp b/src/script.cpp
index 21f101e1c..ac1f0405a 100644
--- a/src/script.cpp
+++ b/src/script.cpp
@@ -2,11 +2,17 @@
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
-#include "headers.h"
+#include <boost/foreach.hpp>
 
 using namespace std;
 using namespace boost;
 
+#include "script.h"
+#include "keystore.h"
+#include "bignum.h"
+#include "key.h"
+#include "main.h"
+
 bool CheckSig(vector<unsigned char> vchSig, vector<unsigned char> vchPubKey, CScript scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
 
 
diff --git a/src/strlcpy.h b/src/strlcpy.h
index d4d1908e7..2cc786e95 100644
--- a/src/strlcpy.h
+++ b/src/strlcpy.h
@@ -15,6 +15,10 @@
  */
 #ifndef BITCOIN_STRLCPY_H
 #define BITCOIN_STRLCPY_H
+
+#include <stdlib.h>
+#include <string.h>
+
 /*
  * Copy src to string dst of size siz.  At most siz-1 characters
  * will be copied.  Always NUL terminates (unless siz == 0).
diff --git a/src/util.cpp b/src/util.cpp
index c1e3c5a80..19005fc76 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -3,8 +3,9 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
+#include "util.h"
 #include "strlcpy.h"
+#include "version.h"
 #include <boost/algorithm/string/join.hpp>
 
 // Work around clang compilation problem in Boost 1.46:
@@ -24,6 +25,31 @@ namespace boost {
 #include <boost/interprocess/sync/interprocess_mutex.hpp>
 #include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
 #include <boost/foreach.hpp>
+#include <openssl/crypto.h>
+#include <openssl/rand.h>
+
+#ifdef WIN32
+#ifdef _MSC_VER
+#pragma warning(disable:4786)
+#pragma warning(disable:4804)
+#pragma warning(disable:4805)
+#pragma warning(disable:4717)
+#endif
+#ifdef _WIN32_WINNT
+#undef _WIN32_WINNT
+#endif
+#define _WIN32_WINNT 0x0501
+#ifdef _WIN32_IE
+#undef _WIN32_IE
+#endif
+#define _WIN32_IE 0x0400
+#define WIN32_LEAN_AND_MEAN 1
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
+#include "shlobj.h"
+#include "shlwapi.h"
+#endif
 
 using namespace std;
 using namespace boost;
@@ -1064,6 +1090,149 @@ std::string FormatSubVersion(const std::string& name, int nClientVersion, const
     return ss.str();
 }
 
+#ifdef WIN32
+boost::filesystem::path static StartupShortcutPath()
+{
+    return MyGetSpecialFolderPath(CSIDL_STARTUP, true) / "Bitcoin.lnk";
+}
+
+bool GetStartOnSystemStartup()
+{
+    return filesystem::exists(StartupShortcutPath());
+}
+
+bool SetStartOnSystemStartup(bool fAutoStart)
+{
+    // If the shortcut exists already, remove it for updating
+    boost::filesystem::remove(StartupShortcutPath());
+
+    if (fAutoStart)
+    {
+        CoInitialize(NULL);
+
+        // Get a pointer to the IShellLink interface.
+        IShellLink* psl = NULL;
+        HRESULT hres = CoCreateInstance(CLSID_ShellLink, NULL,
+                                CLSCTX_INPROC_SERVER, IID_IShellLink,
+                                reinterpret_cast<void**>(&psl));
+
+        if (SUCCEEDED(hres))
+        {
+            // Get the current executable path
+            TCHAR pszExePath[MAX_PATH];
+            GetModuleFileName(NULL, pszExePath, sizeof(pszExePath));
+
+            TCHAR pszArgs[5] = TEXT("-min");
+
+            // Set the path to the shortcut target
+            psl->SetPath(pszExePath);
+            PathRemoveFileSpec(pszExePath);
+            psl->SetWorkingDirectory(pszExePath);
+            psl->SetShowCmd(SW_SHOWMINNOACTIVE);
+            psl->SetArguments(pszArgs);
+
+            // Query IShellLink for the IPersistFile interface for
+            // saving the shortcut in persistent storage.
+            IPersistFile* ppf = NULL;
+            hres = psl->QueryInterface(IID_IPersistFile,
+                                       reinterpret_cast<void**>(&ppf));
+            if (SUCCEEDED(hres))
+            {
+                WCHAR pwsz[MAX_PATH];
+                // Ensure that the string is ANSI.
+                MultiByteToWideChar(CP_ACP, 0, StartupShortcutPath().string().c_str(), -1, pwsz, MAX_PATH);
+                // Save the link by calling IPersistFile::Save.
+                hres = ppf->Save(pwsz, TRUE);
+                ppf->Release();
+                psl->Release();
+                CoUninitialize();
+                return true;
+            }
+            psl->Release();
+        }
+        CoUninitialize();
+        return false;
+    }
+    return true;
+}
+
+#elif defined(LINUX)
+
+// Follow the Desktop Application Autostart Spec:
+//  http://standards.freedesktop.org/autostart-spec/autostart-spec-latest.html
+
+boost::filesystem::path static GetAutostartDir()
+{
+    namespace fs = boost::filesystem;
+
+    char* pszConfigHome = getenv("XDG_CONFIG_HOME");
+    if (pszConfigHome) return fs::path(pszConfigHome) / "autostart";
+    char* pszHome = getenv("HOME");
+    if (pszHome) return fs::path(pszHome) / ".config" / "autostart";
+    return fs::path();
+}
+
+boost::filesystem::path static GetAutostartFilePath()
+{
+    return GetAutostartDir() / "bitcoin.desktop";
+}
+
+bool GetStartOnSystemStartup()
+{
+    boost::filesystem::ifstream optionFile(GetAutostartFilePath());
+    if (!optionFile.good())
+        return false;
+    // Scan through file for "Hidden=true":
+    string line;
+    while (!optionFile.eof())
+    {
+        getline(optionFile, line);
+        if (line.find("Hidden") != string::npos &&
+            line.find("true") != string::npos)
+            return false;
+    }
+    optionFile.close();
+
+    return true;
+}
+
+bool SetStartOnSystemStartup(bool fAutoStart)
+{
+    if (!fAutoStart)
+        boost::filesystem::remove(GetAutostartFilePath());
+    else
+    {
+        char pszExePath[MAX_PATH+1];
+        memset(pszExePath, 0, sizeof(pszExePath));
+        if (readlink("/proc/self/exe", pszExePath, sizeof(pszExePath)-1) == -1)
+            return false;
+
+        boost::filesystem::create_directories(GetAutostartDir());
+
+        boost::filesystem::ofstream optionFile(GetAutostartFilePath(), ios_base::out|ios_base::trunc);
+        if (!optionFile.good())
+            return false;
+        // Write a bitcoin.desktop file to the autostart directory:
+        optionFile << "[Desktop Entry]\n";
+        optionFile << "Type=Application\n";
+        optionFile << "Name=Bitcoin\n";
+        optionFile << "Exec=" << pszExePath << " -min\n";
+        optionFile << "Terminal=false\n";
+        optionFile << "Hidden=false\n";
+        optionFile.close();
+    }
+    return true;
+}
+#else
+
+// TODO: OSX startup stuff; see:
+// http://developer.apple.com/mac/library/documentation/MacOSX/Conceptual/BPSystemStartup/Articles/CustomLogin.html
+
+bool GetStartOnSystemStartup() { return false; }
+bool SetStartOnSystemStartup(bool fAutoStart) { return false; }
+
+#endif
+
 
 
 #ifdef DEBUG_LOCKORDER
diff --git a/src/util.h b/src/util.h
index f6cb3caa1..a4424771c 100644
--- a/src/util.h
+++ b/src/util.h
@@ -31,11 +31,15 @@ typedef int pid_t; /* define for windows compatiblity */
 #include <openssl/sha.h>
 #include <openssl/ripemd.h>
 
-#include "netbase.h"
+#include "netbase.h" // for AddTimeData
+#include "ui_interface.h"
 
 typedef long long  int64;
 typedef unsigned long long  uint64;
 
+static const int64 COIN = 100000000;
+static const int64 CENT = 1000000;
+
 #define loop                for (;;)
 #define BEGIN(a)            ((char*)&(a))
 #define END(a)              ((char*)&((&(a))[1]))
@@ -160,9 +164,8 @@ boost::filesystem::path GetConfigFile();
 boost::filesystem::path GetPidFile();
 void CreatePidFile(const boost::filesystem::path &path, pid_t pid);
 bool ReadConfigFile(std::map<std::string, std::string>& mapSettingsRet, std::map<std::string, std::vector<std::string> >& mapMultiSettingsRet);
-#ifdef WIN32
-boost::filesystem::path MyGetSpecialFolderPath(int nFolder, bool fCreate);
-#endif
+bool GetStartOnSystemStartup();
+bool SetStartOnSystemStartup(bool fAutoStart);
 void ShrinkDebugFile();
 int GetRandInt(int nMax);
 uint64 GetRand(uint64 nMax);
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 9f531082a..6a2bf022b 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -3,7 +3,6 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
 #include "db.h"
 #include "crypter.h"
 
@@ -137,6 +136,11 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase,
     return false;
 }
 
+void CWallet::SetBestChain(const CBlockLocator& loc)
+{
+    CWalletDB walletdb(strWalletFile);
+    walletdb.WriteBestBlock(loc);
+}
 
 // This class implements an addrIncoming entry that causes pre-0.4
 // clients to crash on startup if reading a private-key-encrypted wallet.
diff --git a/src/wallet.h b/src/wallet.h
index b1ee40ab9..3d9387ff8 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -5,6 +5,7 @@
 #ifndef BITCOIN_WALLET_H
 #define BITCOIN_WALLET_H
 
+#include "main.h"
 #include "bignum.h"
 #include "key.h"
 #include "keystore.h"
@@ -25,6 +26,34 @@ enum WalletFeature
     FEATURE_LATEST = 60000
 };
 
+
+/** A key pool entry */
+class CKeyPool
+{
+public:
+    int64 nTime;
+    std::vector<unsigned char> vchPubKey;
+
+    CKeyPool()
+    {
+        nTime = GetTime();
+    }
+
+    CKeyPool(const std::vector<unsigned char>& vchPubKeyIn)
+    {
+        nTime = GetTime();
+        vchPubKey = vchPubKeyIn;
+    }
+
+    IMPLEMENT_SERIALIZE
+    (
+        if (!(nType & SER_GETHASH))
+            READWRITE(nVersion);
+        READWRITE(nTime);
+        READWRITE(vchPubKey);
+    )
+};
+
 /** A CWallet is an extension of a keystore, which also maintains a set of transactions and balances,
  * and provides the ability to create new transactions.
  */
@@ -196,11 +225,7 @@ public:
         }
         return nChange;
     }
-    void SetBestChain(const CBlockLocator& loc)
-    {
-        CWalletDB walletdb(strWalletFile);
-        walletdb.WriteBestBlock(loc);
-    }
+    void SetBestChain(const CBlockLocator& loc);
 
     int LoadWallet(bool& fFirstRunRet);
 //    bool BackupWallet(const std::string& strDest);