Merge pull request #5146

5b40d88 Update comments in wallet to be doxygen compatible (Michael Ford)

2 files changed, 125 insertions, 89 deletions

diff --git a/src/wallet.cpp b/src/wallet.cpp
index 3812c22fe2..d392149dbb 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1,6 +1,6 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
+// Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "wallet.h"
@@ -22,18 +22,23 @@
 
 using namespace std;
 
-// Settings
+/**
+ * Settings
+ */
 CFeeRate payTxFee(DEFAULT_TRANSACTION_FEE);
 unsigned int nTxConfirmTarget = 1;
 bool bSpendZeroConfChange = true;
 
-/** Fees smaller than this (in satoshi) are considered zero fee (for transaction creation) */
-CFeeRate CWallet::minTxFee = CFeeRate(10000);  // Override with -mintxfee
+/** 
+ * Fees smaller than this (in satoshi) are considered zero fee (for transaction creation) 
+ * Override with -mintxfee
+ */
+CFeeRate CWallet::minTxFee = CFeeRate(10000);
 
-//////////////////////////////////////////////////////////////////////////////
-//
-// mapWallet
-//
+/** @defgroup mapWallet
+ *
+ * @{
+ */
 
 struct CompareValueOnly
 {
@@ -367,8 +372,10 @@ void CWallet::SyncMetaData(pair<TxSpends::iterator, TxSpends::iterator> range)
     }
 }
 
-// Outpoint is spent if any non-conflicted transaction
-// spends it:
+/**
+ * Outpoint is spent if any non-conflicted transaction
+ * spends it:
+ */
 bool CWallet::IsSpent(const uint256& hash, unsigned int n) const
 {
     const COutPoint outpoint(hash, n);
@@ -477,7 +484,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
         {
             if (!pwalletdbEncryption->TxnCommit()) {
                 delete pwalletdbEncryption;
-                // We now have keys encrypted in memory, but no on disk...
+                // We now have keys encrypted in memory, but not on disk...
                 // die to avoid confusion and let the user reload their unencrypted wallet.
                 assert(false);
             }
@@ -667,9 +674,11 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFromLoadWallet)
     return true;
 }
 
-// Add a transaction to the wallet, or update it.
-// pblock is optional, but should be provided if the transaction is known to be in a block.
-// If fUpdate is true, existing transactions will be updated.
+/**
+ * Add a transaction to the wallet, or update it.
+ * pblock is optional, but should be provided if the transaction is known to be in a block.
+ * If fUpdate is true, existing transactions will be updated.
+ */
 bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate)
 {
     {
@@ -911,9 +920,11 @@ bool CWalletTx::WriteToDisk()
     return CWalletDB(pwallet->strWalletFile).WriteTx(GetHash(), *this);
 }
 
-// Scan the block chain (starting in pindexStart) for transactions
-// from or to us. If fUpdate is true, found transactions that already
-// exist in the wallet will be updated.
+/**
+ * Scan the block chain (starting in pindexStart) for transactions
+ * from or to us. If fUpdate is true, found transactions that already
+ * exist in the wallet will be updated.
+ */
 int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
 {
     int ret = 0;
@@ -1035,15 +1046,15 @@ void CWallet::ResendWalletTransactions()
     }
 }
 
+/** @} */ // end of mapWallet
 
 
 
 
-
-//////////////////////////////////////////////////////////////////////////////
-//
-// Actions
-//
+/** @defgroup Actions
+ *
+ * @{
+ */
 
 
 CAmount CWallet::GetBalance() const
@@ -1136,7 +1147,9 @@ CAmount CWallet::GetImmatureWatchOnlyBalance() const
     return nTotal;
 }
 
-// populate vCoins with vector of available COutputs.
+/**
+ * populate vCoins with vector of available COutputs.
+ */
 void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const CCoinControl *coinControl) const
 {
     vCoins.clear();
@@ -1194,7 +1207,7 @@ static void ApproximateBestSubset(vector<pair<CAmount, pair<const CWalletTx*,uns
                 //The solver here uses a randomized algorithm,
                 //the randomness serves no real security purpose but is just
                 //needed to prevent degenerate behavior and it is important
-                //that the rng fast. We do not use a constant random sequence,
+                //that the rng is fast. We do not use a constant random sequence,
                 //because there may be some privacy improvement by making
                 //the selection random.
                 if (nPass == 0 ? insecure_rand()&1 : !vfIncluded[i])
@@ -1524,7 +1537,9 @@ bool CWallet::CreateTransaction(CScript scriptPubKey, const CAmount& nValue,
     return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet, strFailReason, coinControl);
 }
 
-// Call after CreateTransaction unless you want to abort
+/**
+ * Call after CreateTransaction unless you want to abort
+ */
 bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
 {
     {
@@ -1669,7 +1684,7 @@ DBErrors CWallet::ZapWalletTx(std::vector<CWalletTx>& vWtx)
             setKeyPool.clear();
             // Note: can't top-up keypool here, because wallet is locked.
             // User will be prompted to unlock wallet the next operation
-            // the requires a new key.
+            // that requires a new key.
         }
     }
 
@@ -1736,10 +1751,10 @@ bool CWallet::SetDefaultKey(const CPubKey &vchPubKey)
     return true;
 }
 
-//
-// Mark old keypool keys as used,
-// and generate all new keys
-//
+/**
+ * Mark old keypool keys as used,
+ * and generate all new keys 
+ */
 bool CWallet::NewKeyPool()
 {
     {
@@ -2120,6 +2135,7 @@ void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts)
     }
 }
 
+/** @} */ // end of Actions
 
 class CAffectedKeysVisitor : public boost::static_visitor<void> {
 private:
diff --git a/src/wallet.h b/src/wallet.h
index 768887e0cb..b692ad056b 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -1,6 +1,6 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2013 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifndef BITCOIN_WALLET_H
@@ -26,16 +26,18 @@
 #include <utility>
 #include <vector>
 
-// Settings
+/**
+ * Settings
+ */
 extern CFeeRate payTxFee;
 extern unsigned int nTxConfirmTarget;
 extern bool bSpendZeroConfChange;
 
-// -paytxfee default
+//! -paytxfee default
 static const CAmount DEFAULT_TRANSACTION_FEE = 0;
-// -paytxfee will warn if called with a higher fee than this amount (in satoshis) per KB
+//! -paytxfee will warn if called with a higher fee than this amount (in satoshis) per KB
 static const CAmount nHighTransactionFeeWarning = 0.01 * COIN;
-// Largest (in bytes) free transaction we're willing to create
+//! Largest (in bytes) free transaction we're willing to create
 static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 1000;
 
 class CAccountingEntry;
@@ -94,7 +96,8 @@ public:
     StringMap destdata;
 };
 
-/** A CWallet is an extension of a keystore, which also maintains a set of transactions and balances,
+/** 
+ * 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.
  */
 class CWallet : public CCryptoKeyStore, public CValidationInterface
@@ -104,18 +107,20 @@ private:
 
     CWalletDB *pwalletdbEncryption;
 
-    // the current wallet version: clients below this version are not able to load the wallet
+    //! the current wallet version: clients below this version are not able to load the wallet
     int nWalletVersion;
 
-    // the maximum wallet format version: memory-only variable that specifies to what version this wallet may be upgraded
+    //! the maximum wallet format version: memory-only variable that specifies to what version this wallet may be upgraded
     int nWalletMaxVersion;
 
     int64_t nNextResend;
     int64_t nLastResend;
 
-    // Used to keep track of spent outpoints, and
-    // detect and report conflicts (double-spends or
-    // mutated transactions where the mutant gets mined).
+    /**
+     * Used to keep track of spent outpoints, and
+     * detect and report conflicts (double-spends or
+     * mutated transactions where the mutant gets mined).
+     */
     typedef std::multimap<COutPoint, uint256> TxSpends;
     TxSpends mapTxSpends;
     void AddToSpends(const COutPoint& outpoint, const uint256& wtxid);
@@ -124,11 +129,13 @@ private:
     void SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator>);
 
 public:
-    /// Main wallet lock.
-    /// This lock protects all the fields added by CWallet
-    ///   except for:
-    ///      fFileBacked (immutable after instantiation)
-    ///      strWalletFile (immutable after instantiation)
+    /*
+     * Main wallet lock.
+     * This lock protects all the fields added by CWallet
+     *   except for:
+     *      fFileBacked (immutable after instantiation)
+     *      strWalletFile (immutable after instantiation)
+     */
     mutable CCriticalSection cs_wallet;
 
     bool fFileBacked;
@@ -188,7 +195,7 @@ public:
 
     const CWalletTx* GetWalletTx(const uint256& hash) const;
 
-    // check whether we are allowed to upgrade (or already support) to the named feature
+    //! check whether we are allowed to upgrade (or already support) to the named feature
     bool CanSupportFeature(enum WalletFeature wf) { AssertLockHeld(cs_wallet); return nWalletMaxVersion >= wf; }
 
     void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlyConfirmed=true, const CCoinControl *coinControl = NULL) const;
@@ -202,38 +209,40 @@ public:
     void UnlockAllCoins();
     void ListLockedCoins(std::vector<COutPoint>& vOutpts);
 
-    // keystore implementation
-    // Generate a new key
+    /**
+     * keystore implementation
+     * Generate a new key
+     */
     CPubKey GenerateNewKey();
-    // Adds a key to the store, and saves it to disk.
+    //! Adds a key to the store, and saves it to disk.
     bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey);
-    // Adds a key to the store, without saving it to disk (used by LoadWallet)
+    //! Adds a key to the store, without saving it to disk (used by LoadWallet)
     bool LoadKey(const CKey& key, const CPubKey &pubkey) { return CCryptoKeyStore::AddKeyPubKey(key, pubkey); }
-    // Load metadata (used by LoadWallet)
+    //! Load metadata (used by LoadWallet)
     bool LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &metadata);
 
     bool LoadMinVersion(int nVersion) { AssertLockHeld(cs_wallet); nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; }
 
-    // Adds an encrypted key to the store, and saves it to disk.
+    //! Adds an encrypted key to the store, and saves it to disk.
     bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
-    // Adds an encrypted key to the store, without saving it to disk (used by LoadWallet)
+    //! Adds an encrypted key to the store, without saving it to disk (used by LoadWallet)
     bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
     bool AddCScript(const CScript& redeemScript);
     bool LoadCScript(const CScript& redeemScript);
 
-    /// Adds a destination data tuple to the store, and saves it to disk
+    //! Adds a destination data tuple to the store, and saves it to disk
     bool AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value);
-    /// Erases a destination data tuple in the store and on disk
+    //! Erases a destination data tuple in the store and on disk
     bool EraseDestData(const CTxDestination &dest, const std::string &key);
-    /// Adds a destination data tuple to the store, without saving it to disk
+    //! Adds a destination data tuple to the store, without saving it to disk
     bool LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value);
-    /// Look up a destination data tuple in the store, return true if found false otherwise
+    //! Look up a destination data tuple in the store, return true if found false otherwise
     bool GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const;
 
-    // Adds a watch-only address to the store, and saves it to disk.
+    //! Adds a watch-only address to the store, and saves it to disk.
     bool AddWatchOnly(const CScript &dest);
     bool RemoveWatchOnly(const CScript &dest);
-    // Adds a watch-only address to the store, without saving it to disk (used by LoadWallet)
+    //! Adds a watch-only address to the store, without saving it to disk (used by LoadWallet)
     bool LoadWatchOnly(const CScript &dest);
 
     bool Unlock(const SecureString& strWalletPassphrase);
@@ -242,17 +251,19 @@ public:
 
     void GetKeyBirthTimes(std::map<CKeyID, int64_t> &mapKeyBirth) const;
 
-    /** Increment the next transaction order id
-        @return next transaction order id
+    /** 
+     * Increment the next transaction order id
+     * @return next transaction order id
      */
     int64_t IncOrderPosNext(CWalletDB *pwalletdb = NULL);
 
     typedef std::pair<CWalletTx*, CAccountingEntry*> TxPair;
     typedef std::multimap<int64_t, TxPair > TxItems;
 
-    /** Get the wallet's activity log
-        @return multimap of ordered transactions and accounting entries
-        @warning Returned pointers are *only* valid within the scope of passed acentries
+    /**
+     * Get the wallet's activity log
+     * @return multimap of ordered transactions and accounting entries
+     * @warning Returned pointers are *only* valid within the scope of passed acentries
      */
     TxItems OrderedTxItems(std::list<CAccountingEntry>& acentries, std::string strAccount = "");
 
@@ -320,7 +331,8 @@ public:
                 return true;
         return false;
     }
-    bool IsFromMe(const CTransaction& tx) const     // should probably be renamed to IsRelevantToMe
+    /** should probably be renamed to IsRelevantToMe */
+    bool IsFromMe(const CTransaction& tx) const
     {
         return (GetDebit(tx, ISMINE_ALL) > 0);
     }
@@ -386,19 +398,20 @@ public:
 
     bool SetDefaultKey(const CPubKey &vchPubKey);
 
-    // signify that a particular wallet feature is now used. this may change nWalletVersion and nWalletMaxVersion if those are lower
+    //! signify that a particular wallet feature is now used. this may change nWalletVersion and nWalletMaxVersion if those are lower
     bool SetMinVersion(enum WalletFeature, CWalletDB* pwalletdbIn = NULL, bool fExplicit = false);
 
-    // change which version we're allowed to upgrade to (note that this does not immediately imply upgrading to that format)
+    //! change which version we're allowed to upgrade to (note that this does not immediately imply upgrading to that format)
     bool SetMaxVersion(int nVersion);
 
-    // get the current wallet format (the oldest client version guaranteed to understand this wallet)
+    //! get the current wallet format (the oldest client version guaranteed to understand this wallet)
     int GetVersion() { LOCK(cs_wallet); return nWalletVersion; }
 
-    // Get wallet transactions that conflict with given transaction (spend same outputs)
+    //! Get wallet transactions that conflict with given transaction (spend same outputs)
     std::set<uint256> GetConflicts(const uint256& txid) const;
 
-    /** Address book entry changed.
+    /** 
+     * Address book entry changed.
      * @note called with lock cs_wallet held.
      */
     boost::signals2::signal<void (CWallet *wallet, const CTxDestination
@@ -406,7 +419,8 @@ public:
             const std::string &purpose,
             ChangeType status)> NotifyAddressBookChanged;
 
-    /** Wallet transaction added, removed or updated.
+    /** 
+     * Wallet transaction added, removed or updated.
      * @note called with lock cs_wallet held.
      */
     boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx,
@@ -517,10 +531,13 @@ public:
 
     int SetMerkleBranch(const CBlock& block);
 
-    // Return depth of transaction in blockchain:
-    // -1  : not in blockchain, and not in memory pool (conflicted transaction)
-    //  0  : in memory pool, waiting to be included in a block
-    // >=1 : this many blocks deep in the main chain
+
+    /**
+     * Return depth of transaction in blockchain:
+     * -1  : not in blockchain, and not in memory pool (conflicted transaction)
+     *  0  : in memory pool, waiting to be included in a block
+     * >=1 : this many blocks deep in the main chain
+     */
     int GetDepthInMainChain(const CBlockIndex* &pindexRet) const;
     int GetDepthInMainChain() const { const CBlockIndex *pindexRet; return GetDepthInMainChain(pindexRet); }
     bool IsInMainChain() const { const CBlockIndex *pindexRet; return GetDepthInMainChainINTERNAL(pindexRet) > 0; }
@@ -528,7 +545,8 @@ public:
     bool AcceptToMemoryPool(bool fLimitFree=true, bool fRejectInsaneFee=true);
 };
 
-/** A transaction with a bunch of additional info that only the owner cares about.
+/** 
+ * A transaction with a bunch of additional info that only the owner cares about.
  * It includes any unrecorded transactions needed to link it back to the block chain.
  */
 class CWalletTx : public CMerkleTx
@@ -540,11 +558,11 @@ public:
     mapValue_t mapValue;
     std::vector<std::pair<std::string, std::string> > vOrderForm;
     unsigned int fTimeReceivedIsTxTime;
-    unsigned int nTimeReceived;  // time received by this node
+    unsigned int nTimeReceived; //! time received by this node
     unsigned int nTimeSmart;
     char fFromMe;
     std::string strFromAccount;
-    int64_t nOrderPos;  // position in ordered transaction list
+    int64_t nOrderPos; //! position in ordered transaction list
 
     // memory only
     mutable bool fDebitCached;
@@ -636,7 +654,7 @@ public:
         }
 
         READWRITE(*(CMerkleTx*)this);
-        std::vector<CMerkleTx> vUnused; // Used to be vtxPrev
+        std::vector<CMerkleTx> vUnused; //! Used to be vtxPrev
         READWRITE(vUnused);
         READWRITE(mapValue);
         READWRITE(vOrderForm);
@@ -661,7 +679,7 @@ public:
         mapValue.erase("timesmart");
     }
 
-    // make sure balances are recalculated
+    //! make sure balances are recalculated
     void MarkDirty()
     {
         fCreditCached = false;
@@ -680,7 +698,7 @@ public:
         MarkDirty();
     }
 
-    // filter decides which addresses will count towards the debit
+    //! filter decides which addresses will count towards the debit
     CAmount GetDebit(const isminefilter& filter) const
     {
         if (vin.empty())
@@ -919,8 +937,8 @@ public:
     int64_t nTimeCreated;
     int64_t nTimeExpires;
     std::string strComment;
-    //// todo: add something to note what created it (user, getnewaddress, change)
-    ////   maybe should have a map<string, string> property map
+    //! todo: add something to note what created it (user, getnewaddress, change)
+    //!   maybe should have a map<string, string> property map
 
     CWalletKey(int64_t nExpires=0);
 
@@ -942,7 +960,8 @@ public:
 
 
 
-/** Account information.
+/** 
+ * Account information.
  * Stored in wallet with key "acc"+string account name.
  */
 class CAccount
@@ -972,7 +991,8 @@ public:
 
 
 
-/** Internal transfers.
+/** 
+ * Internal transfers.
  * Database key is acentry<account><counter>.
  */
 class CAccountingEntry
@@ -984,7 +1004,7 @@ public:
     std::string strOtherAccount;
     std::string strComment;
     mapValue_t mapValue;
-    int64_t nOrderPos;  // position in ordered transaction list
+    int64_t nOrderPos;  //! position in ordered transaction list
     uint64_t nEntryNo;
 
     CAccountingEntry()
@@ -1009,7 +1029,7 @@ public:
     inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
         if (!(nType & SER_GETHASH))
             READWRITE(nVersion);
-        // Note: strAccount is serialized as part of the key, not here.
+        //! Note: strAccount is serialized as part of the key, not here.
         READWRITE(nCreditDebit);
         READWRITE(nTime);
         READWRITE(LIMITED_STRING(strOtherAccount, 65536));