16 lines
384 B
Ruby
16 lines
384 B
Ruby
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module CalculateFees
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BaseFeeRate = 0.022 # 2.2%
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PerTransaction = 30 # 30 cents
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def self.for_single_amount(amount, platform_fee=0.0)
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ParamValidation.new({fee: platform_fee, amount: amount}, {
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amount: {min: 0, is_integer: true},
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fee: {min: 0.0, is_float: true}
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})
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fee = BaseFeeRate + platform_fee
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(amount * fee).ceil.to_i + PerTransaction
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end
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end
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