16 lines
595 B
Ruby
16 lines
595 B
Ruby
# frozen_string_literal: true
|
|
|
|
# License: AGPL-3.0-or-later WITH WTO-AP-3.0-or-later
|
|
# Full license explanation at https://github.com/houdiniproject/houdini/blob/master/LICENSE
|
|
module CalculateFees
|
|
BaseFeeRate = 0.022 # 2.2%
|
|
PerTransaction = 30 # 30 cents
|
|
|
|
def self.for_single_amount(amount, platform_fee = 0.0)
|
|
ParamValidation.new({ fee: platform_fee, amount: amount },
|
|
amount: { min: 0, is_integer: true },
|
|
fee: { min: 0.0, is_float: true })
|
|
fee = BaseFeeRate + platform_fee
|
|
(amount * fee).ceil.to_i + PerTransaction
|
|
end
|
|
end
|