Update fee value

The pallet can, apparat from generating a profit through penalty gains, also generate profits from fees which are collect for the utilization of certain pallet functionalities. The fee values which exist on the pallet as well as their default values are as follows:

Current fee values:

Name	Description	Value (MUINT)
trader account fee	The fee which a user needs to pay in order to become a trader on the pallet	100
validator account fee	The fee which a user needs to pay in order to become a validator on the pallet	100
project owner account fee	The fee which a user needs to pay in order to become a project owner on the pallet	100
carbon footprint report fee	The fee which a user needs to pay in order to submit a carbon footprint report for evaluation	300
project proposal fee	The fee which a project owner needs to pay in order to submit a project proposal for evaluation	100
carbon credit batch fee	The fee which a project owner needs to pay in order to submit a carbon credit batch proposal for evaluation	50
voting fee	The fee which a validator needs to pay in order to cast a vote	100
complaint fee	The fee which a validator needs to pay in order to create a complaint	100

If an authority account wishes to update a specific fee value, he/she can do this using the update_fee_value(fee_type, new_fee_value)functionality. Using the mentioned call, the user has to specify the exact fee value that he/she wishes to update as well as the new value.

In is worth mentioning that the user can't update a fee value to the same value as it was before.