port = choose a port number
password = choose a password
-[db]
-instance = the hostname of your sql server
-name = the database name
-user = your database username
-password = your database password
+[sqlite3]
+database = database filename
[electrum]
-server = the electrum server you will use
mpk = the master public key of your wallet (in hexadecimal)
+chain = second part of the mastrer public key (hexadecimal)
+wallet_path = path where the script will save the wallet
[callback]
received = URL where we POST json data when payment has been received