1 files changed, 12 insertions, 5 deletions

diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index b716e46a7d..bcd7e4b4ee 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -40,11 +40,13 @@ extern unsigned int nTxConfirmTarget;
 extern bool bSpendZeroConfChange;
 extern bool fWalletRbf;
 
-static const unsigned int DEFAULT_KEYPOOL_SIZE = 100;
+static const unsigned int DEFAULT_KEYPOOL_SIZE = 1000;
 //! -paytxfee default
 static const CAmount DEFAULT_TRANSACTION_FEE = 0;
 //! -fallbackfee default
 static const CAmount DEFAULT_FALLBACK_FEE = 20000;
+//! -m_discard_rate default
+static const CAmount DEFAULT_DISCARD_FEE = 10000;
 //! -mintxfee default
 static const CAmount DEFAULT_TRANSACTION_MINFEE = 1000;
 //! minimum recommended increment for BIP 125 replacement txs
@@ -697,10 +699,11 @@ private:
     CHDChain hdChain;
 
     /* HD derive new child key (on internal or external chain) */
-    void DeriveNewChildKey(CKeyMetadata& metadata, CKey& secret, bool internal = false);
+    void DeriveNewChildKey(CWalletDB &walletdb, CKeyMetadata& metadata, CKey& secret, bool internal = false);
 
     std::set<int64_t> setInternalKeyPool;
     std::set<int64_t> setExternalKeyPool;
+    int64_t m_max_keypool_index;
 
     int64_t nTimeFirstKey;
 
@@ -743,13 +746,14 @@ public:
         }
     }
 
-    void LoadKeyPool(int nIndex, const CKeyPool &keypool)
+    void LoadKeyPool(int64_t nIndex, const CKeyPool &keypool)
     {
         if (keypool.fInternal) {
             setInternalKeyPool.insert(nIndex);
         } else {
             setExternalKeyPool.insert(nIndex);
         }
+        m_max_keypool_index = std::max(m_max_keypool_index, nIndex);
 
         // If no metadata exists yet, create a default with the pool key's
         // creation time. Note that this may be overwritten by actually
@@ -795,6 +799,7 @@ public:
         nAccountingEntryNumber = 0;
         nNextResend = 0;
         nLastResend = 0;
+        m_max_keypool_index = 0;
         nTimeFirstKey = 0;
         fBroadcastTransactions = false;
         nRelockTime = 0;
@@ -866,9 +871,10 @@ public:
      * keystore implementation
      * Generate a new key
      */
-    CPubKey GenerateNewKey(bool internal = false);
+    CPubKey GenerateNewKey(CWalletDB& walletdb, bool internal = false);
     //! Adds a key to the store, and saves it to disk.
     bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey) override;
+    bool AddKeyPubKeyWithDB(CWalletDB &walletdb,const CKey& key, const CPubKey &pubkey);
     //! 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)
@@ -945,7 +951,7 @@ public:
      * Insert additional inputs into the transaction by
      * calling CreateTransaction();
      */
-    bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl, bool keepReserveKey = true);
+    bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl);
     bool SignTransaction(CMutableTransaction& tx);
 
     /**
@@ -965,6 +971,7 @@ public:
 
     static CFeeRate minTxFee;
     static CFeeRate fallbackFee;
+    static CFeeRate m_discard_rate;
     /**
      * Estimate the minimum fee considering user set parameters
      * and the required fee