set the default fee_per_kb to 80000

We set it in the config file the first time we copy it over from EC, and also in simple_config.fee_per_kb for user who start the program the first time without having EC on the same system.

electroncash/migrate_data.py

@@ -73,6 +73,10 @@ def migrate_data_from_ec():
             config["auto_connect"] = DEFAULT_AUTO_CONNECT
             config["server"] = ""
 
+            # Set a fee_per_kb adapted to the current mempool situation
+            if "fee_per_kb" in config:
+                config["fee_per_kb"] = 80000
+
             # Delete rpcuser and password. These will be generated on
             # the first connection with jsonrpclib.Server
             if "rpcuser" in config:

electroncash/simple_config.py

@@ -301,7 +301,8 @@ def fee_per_kb(self):
        if retval is None:
            retval = self.get('fee_per_kb')
        if retval is None:
-           retval = 1000  # New wallet
+           # New wallet (value adapted to November 2020 mempool situation)
+           retval = 80000
        return retval
 
     def has_custom_fee_rate(self):