Move CWalletDB code to new walletdb module.

In addition to standard code separation, this change opens the door
to fixing several include inter-dependencies.

1 files changed, 179 insertions, 0 deletions

diff --git a/src/walletdb.h b/src/walletdb.h
new file mode 100644
index 0000000000..46ba7967ca
--- /dev/null
+++ b/src/walletdb.h
@@ -0,0 +1,179 @@
+// 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.
+#ifndef BITCOIN_WALLETDB_H
+#define BITCOIN_WALLETDB_H
+
+#include "db.h"
+
+class CKeyPool;
+class CAccount;
+class CAccountingEntry;
+
+/** Error statuses for the wallet database */
+enum DBErrors
+{
+    DB_LOAD_OK,
+    DB_CORRUPT,
+    DB_TOO_NEW,
+    DB_LOAD_FAIL,
+    DB_NEED_REWRITE
+};
+
+/** Access to the wallet database (wallet.dat) */
+class CWalletDB : public CDB
+{
+public:
+    CWalletDB(std::string strFilename, const char* pszMode="r+") : CDB(strFilename.c_str(), pszMode)
+    {
+    }
+private:
+    CWalletDB(const CWalletDB&);
+    void operator=(const CWalletDB&);
+public:
+    bool ReadName(const std::string& strAddress, std::string& strName)
+    {
+        strName = "";
+        return Read(std::make_pair(std::string("name"), strAddress), strName);
+    }
+
+    bool WriteName(const std::string& strAddress, const std::string& strName);
+
+    bool EraseName(const std::string& strAddress);
+
+    bool ReadTx(uint256 hash, CWalletTx& wtx)
+    {
+        return Read(std::make_pair(std::string("tx"), hash), wtx);
+    }
+
+    bool WriteTx(uint256 hash, const CWalletTx& wtx)
+    {
+        nWalletDBUpdated++;
+        return Write(std::make_pair(std::string("tx"), hash), wtx);
+    }
+
+    bool EraseTx(uint256 hash)
+    {
+        nWalletDBUpdated++;
+        return Erase(std::make_pair(std::string("tx"), hash));
+    }
+
+    bool ReadKey(const std::vector<unsigned char>& vchPubKey, CPrivKey& vchPrivKey)
+    {
+        vchPrivKey.clear();
+        return Read(std::make_pair(std::string("key"), vchPubKey), vchPrivKey);
+    }
+
+    bool WriteKey(const std::vector<unsigned char>& vchPubKey, const CPrivKey& vchPrivKey)
+    {
+        nWalletDBUpdated++;
+        return Write(std::make_pair(std::string("key"), vchPubKey), vchPrivKey, false);
+    }
+
+    bool WriteCryptedKey(const std::vector<unsigned char>& vchPubKey, const std::vector<unsigned char>& vchCryptedSecret, bool fEraseUnencryptedKey = true)
+    {
+        nWalletDBUpdated++;
+        if (!Write(std::make_pair(std::string("ckey"), vchPubKey), vchCryptedSecret, false))
+            return false;
+        if (fEraseUnencryptedKey)
+        {
+            Erase(std::make_pair(std::string("key"), vchPubKey));
+            Erase(std::make_pair(std::string("wkey"), vchPubKey));
+        }
+        return true;
+    }
+
+    bool WriteMasterKey(unsigned int nID, const CMasterKey& kMasterKey)
+    {
+        nWalletDBUpdated++;
+        return Write(std::make_pair(std::string("mkey"), nID), kMasterKey, true);
+    }
+
+    // Support for BIP 0013 : see https://en.bitcoin.it/wiki/BIP_0013
+    bool ReadCScript(const uint160 &hash, CScript& redeemScript)
+    {
+        redeemScript.clear();
+        return Read(std::make_pair(std::string("cscript"), hash), redeemScript);
+    }
+
+    bool WriteCScript(const uint160& hash, const CScript& redeemScript)
+    {
+        nWalletDBUpdated++;
+        return Write(std::make_pair(std::string("cscript"), hash), redeemScript, false);
+    }
+
+    bool WriteBestBlock(const CBlockLocator& locator)
+    {
+        nWalletDBUpdated++;
+        return Write(std::string("bestblock"), locator);
+    }
+
+    bool ReadBestBlock(CBlockLocator& locator)
+    {
+        return Read(std::string("bestblock"), locator);
+    }
+
+    bool ReadDefaultKey(std::vector<unsigned char>& vchPubKey)
+    {
+        vchPubKey.clear();
+        return Read(std::string("defaultkey"), vchPubKey);
+    }
+
+    bool WriteDefaultKey(const std::vector<unsigned char>& vchPubKey)
+    {
+        nWalletDBUpdated++;
+        return Write(std::string("defaultkey"), vchPubKey);
+    }
+
+    bool ReadPool(int64 nPool, CKeyPool& keypool)
+    {
+        return Read(std::make_pair(std::string("pool"), nPool), keypool);
+    }
+
+    bool WritePool(int64 nPool, const CKeyPool& keypool)
+    {
+        nWalletDBUpdated++;
+        return Write(std::make_pair(std::string("pool"), nPool), keypool);
+    }
+
+    bool ErasePool(int64 nPool)
+    {
+        nWalletDBUpdated++;
+        return Erase(std::make_pair(std::string("pool"), nPool));
+    }
+
+    // Settings are no longer stored in wallet.dat; these are
+    // used only for backwards compatibility:
+    template<typename T>
+    bool ReadSetting(const std::string& strKey, T& value)
+    {
+        return Read(std::make_pair(std::string("setting"), strKey), value);
+    }
+    template<typename T>
+    bool WriteSetting(const std::string& strKey, const T& value)
+    {
+        nWalletDBUpdated++;
+        return Write(std::make_pair(std::string("setting"), strKey), value);
+    }
+    bool EraseSetting(const std::string& strKey)
+    {
+        nWalletDBUpdated++;
+        return Erase(std::make_pair(std::string("setting"), strKey));
+    }
+
+    bool WriteMinVersion(int nVersion)
+    {
+        return Write(std::string("minversion"), nVersion);
+    }
+
+    bool ReadAccount(const std::string& strAccount, CAccount& account);
+    bool WriteAccount(const std::string& strAccount, const CAccount& account);
+    bool WriteAccountingEntry(const CAccountingEntry& acentry);
+    int64 GetAccountCreditDebit(const std::string& strAccount);
+    void ListAccountCreditDebit(const std::string& strAccount, std::list<CAccountingEntry>& acentries);
+
+    int LoadWallet(CWallet* pwallet);
+};
+
+#endif // BITCOIN_WALLETDB_H