Allow baker to choose who pays transfer fee

fee.ini

@@ -1,5 +1,6 @@
 [DEFAULT]
 fee=1274
+delegator_pays_xfer_fee=true
 
 [KTTX]
 storage_limit=0

readme.md

@@ -131,6 +131,8 @@ fee.ini file contains details about transaction fees. Currently the fee value sp
 
 https://zeronet.tzscan.io/opCnDj8bpr5ACrbLSqy4BDCMsNiY8Y34bvnm2hj7MvcxaRiu5tu
 
+`delegator_pays_xfer_fee` - Set this to 'true' if you want the transaction fee to be deducted from the delegator's reward. Set this to 'false' if the baker will pay the transfer fee.
+
 #### Terms:
 
 - Reward: Coins rewarded by the network for the baking/endorsing operations.

src/pay/batch_payer.py

@@ -46,6 +46,7 @@ def __init__(self, node_url, client_path, key_name):
         self.gas_limit = kttx['gas_limit']
         self.storage_limit = kttx['storage_limit']
         self.default_fee = kttx['fee']
+        self.delegator_pays_xfer_fee = config.getboolean('KTTX', 'delegator_pays_xfer_fee', fallback=True) # Must use getboolean otherwise parses as string
 
         # key_name has a length of 36 and starts with tz or KT then it is a public key has, else it is an alias
         if len(self.key_name) == PKH_LENGHT and (self.key_name.startswith("KT") or self.key_name.startswith("tz")):
@@ -126,10 +127,11 @@ def pay_single_batch(self, payment_records, verbose=None, dry_run=None):
 
         for payment_item in payment_records:
             pymnt_amnt = int(payment_item.payment * 1e6)  # expects in micro tezos
-            pymnt_amnt = max(pymnt_amnt - int(self.default_fee), 0)  # ensure not less than 0
 
-            if pymnt_amnt < 1e-3:  # zero check
-                continue
+            if self.delegator_pays_xfer_fee:
+                pymnt_amnt = max(pymnt_amnt - int(self.default_fee), 0)  # ensure not less than 0
+                if pymnt_amnt < 1e-3:  # zero check
+                    continue
 
             counter = counter + 1
             content = CONTENT.replace("%SOURCE%", self.source).replace("%DESTINATION%", payment_item.address) \