commit 5e207b0d9bda615dfc573e6a8988abcc7159e5ce
Author: Vadique Myself <vadiquemyself@gmail.com>
Date:   Sun Sep 22 14:40:26 2019 +0300

    no forced transaction fees

diff --git a/src/validation.cpp b/src/validation.cpp
index 5b27b9ec5..13ac60059 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -783,7 +783,6 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
             dFreeCount *= pow(1.0 - 1.0/600.0, (double)(nNow - nLastTime));
             nLastTime = nNow;
             // -limitfreerelay unit is thousand-bytes-per-minute
-            // At default rate it would take over a month to fill 1GB
             if (dFreeCount + nSize >= GetArg("-limitfreerelay", DEFAULT_LIMITFREERELAY) * 10 * 1000)
                 return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "rate limited free transaction");
             LogPrint("mempool", "Rate limit dFreeCount: %g => %g\n", dFreeCount, dFreeCount+nSize);
diff --git a/src/validation.h b/src/validation.h
index de986e972..fd8750e41 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -124,7 +124,7 @@ static const int64_t BLOCK_DOWNLOAD_TIMEOUT_BASE = 1000000;
 /** Additional block download timeout per parallel downloading peer (i.e. 5 min) */
 static const int64_t BLOCK_DOWNLOAD_TIMEOUT_PER_PEER = 500000;

-static const unsigned int DEFAULT_LIMITFREERELAY = 0;
+static const unsigned int DEFAULT_LIMITFREERELAY = 128;
 static const bool DEFAULT_RELAYPRIORITY = true;
 static const int64_t DEFAULT_MAX_TIP_AGE = 24 * 60 * 60;
 /** Maximum age of our tip in seconds for us to be considered current for fee estimation */
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 504852d68..8cb097208 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -47,7 +47,7 @@ const char * DEFAULT_WALLET_DAT = "wallet.dat";
 const uint32_t BIP32_HARDENED_KEY_LIMIT = 0x80000000;

 /**
- * Fees smaller than this (in satoshi) are considered zero fee (for transaction creation)
+ * Fees smaller than this are considered zero fee (for transaction creation)
  * Override with -mintxfee
  */
 CFeeRate CWallet::minTxFee = CFeeRate(DEFAULT_TRANSACTION_MINFEE);
@@ -3877,8 +3877,8 @@ bool CWallet::ParameterInteraction()
     fSendFreeTransactions = GetBoolArg("-sendfreetransactions", DEFAULT_SEND_FREE_TRANSACTIONS);
     fWalletRbf = GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);

-    if (fSendFreeTransactions && GetArg("-limitfreerelay", DEFAULT_LIMITFREERELAY) <= 0)
-        return InitError("Creation of free transactions with their relay disabled is not supported.");
+    ///if (fSendFreeTransactions && GetArg("-limitfreerelay", DEFAULT_LIMITFREERELAY) <= 0)
+        ///return InitError("Creation of free transactions with their relay disabled is not supported.");

     return true;
 }
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 5f77a31ea..1f8a85ebd 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -47,11 +47,11 @@ static const unsigned int DEFAULT_KEYPOOL_SIZE = 100;
 //! -paytxfee default
 static const CAmount DEFAULT_TRANSACTION_FEE = 0;
 //! -fallbackfee default
-static const CAmount DEFAULT_FALLBACK_FEE = COIN;
+static const CAmount DEFAULT_FALLBACK_FEE = 0;
 //! -mintxfee default
-static const CAmount DEFAULT_TRANSACTION_MINFEE = COIN;
+static const CAmount DEFAULT_TRANSACTION_MINFEE = 0;
 //! minimum recommended increment for BIP 125 replacement txs
-static const CAmount WALLET_INCREMENTAL_RELAY_FEE = COIN * 5;
+static const CAmount WALLET_INCREMENTAL_RELAY_FEE = COIN * 2;
 //! target minimum change amount
 static const CAmount MIN_CHANGE = CENT;
 //! final minimum change amount after paying for fees
@@ -59,7 +59,7 @@ static const CAmount MIN_FINAL_CHANGE = MIN_CHANGE/2;
 //! Default for -spendzeroconfchange
 static const bool DEFAULT_SPEND_ZEROCONF_CHANGE = true;
 //! Default for -sendfreetransactions
-static const bool DEFAULT_SEND_FREE_TRANSACTIONS = false;
+static const bool DEFAULT_SEND_FREE_TRANSACTIONS = true;
 //! Default for -walletrejectlongchains
 static const bool DEFAULT_WALLET_REJECT_LONG_CHAINS = false;
 //! -txconfirmtarget default
@@ -67,7 +67,7 @@ static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 6;
 //! -walletrbf default
 static const bool DEFAULT_WALLET_RBF = false;
 //! Largest (in bytes) free transaction we're willing to create
-static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 0;
+static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 223556;
 static const bool DEFAULT_WALLETBROADCAST = true;
 static const bool DEFAULT_DISABLE_WALLET = false;
 //! if set, all keys will be derived by using BIP32