Fee burn mechanism

[tungleanh0902]

#299

Feeburn module - whitewhale

Purpose

Burn an amount of transaction fee

Requirement

• Change percentage of transaction fee to burn

Solution

• Create a module that update percentage of the fee to be burnt and use ante handler to burn a part of transaction fee

Implementation

Data structure

• feeBurnPercent: the percentage of fee to be burn

Msg server

• UpdateFeeBurnPercent: edit the percentage of fee to be burnt

Ante handler

• Running logic to burn a part of transaction fee before each transaction.