Hush witness rework, many thanks to @CryptoForge for this awesome code https://github.com/Cryptoforge-alt/pirate/tree/pirate_witness_rework

src/wallet/walletdb.cpp

@@ -1208,6 +1208,12 @@ bool BackupWallet(const CWallet& wallet, const string& strDest)
     return false;
 }
 
+bool CWalletDB::Compact(CDBEnv& dbenv, const std::string& strFile)
+{
+  bool fSuccess = dbenv.Compact(strFile);
+  return fSuccess;
+}
+
 //
 // Try to (very carefully!) recover wallet.dat if there is a problem.
 //