31 lines
840 B
Go
31 lines
840 B
Go
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package lnrpc
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import (
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"github.com/btcsuite/btcutil"
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"github.com/lightningnetwork/lnd/lnwire"
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)
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// CalculateFeeLimit returns the fee limit in millisatoshis. If a percentage
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// based fee limit has been requested, we'll factor in the ratio provided with
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// the amount of the payment.
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func CalculateFeeLimit(feeLimit *FeeLimit,
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amount lnwire.MilliSatoshi) lnwire.MilliSatoshi {
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switch feeLimit.GetLimit().(type) {
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case *FeeLimit_Fixed:
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return lnwire.NewMSatFromSatoshis(
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btcutil.Amount(feeLimit.GetFixed()),
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)
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case *FeeLimit_Percent:
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return amount * lnwire.MilliSatoshi(feeLimit.GetPercent()) / 100
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default:
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// If a fee limit was not specified, we'll use the payment's
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// amount as an upper bound in order to avoid payment attempts
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// from incurring fees higher than the payment amount itself.
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return amount
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}
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}
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