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48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package liquidity
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import (
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"github.com/btcsuite/btcutil"
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"github.com/lightninglabs/loop"
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"github.com/lightningnetwork/lnd/lnwire"
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)
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// swapSuggestion is an interface implemented by suggested swaps for our
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// different swap types. This interface is used to allow us to handle different
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// swap types with the same autoloop logic.
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type swapSuggestion interface {
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// fees returns the highest possible fee amount we could pay for a swap
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// in satoshis.
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fees() btcutil.Amount
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// amount returns the swap amount in satoshis.
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amount() btcutil.Amount
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// channels returns the set of channels involved in the swap.
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channels() []lnwire.ShortChannelID
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}
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type loopOutSwapSuggestion struct {
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loop.OutRequest
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}
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func (l *loopOutSwapSuggestion) amount() btcutil.Amount {
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return l.Amount
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}
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func (l *loopOutSwapSuggestion) fees() btcutil.Amount {
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return worstCaseOutFees(
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l.MaxPrepayRoutingFee, l.MaxSwapRoutingFee, l.MaxSwapFee,
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l.MaxMinerFee, l.MaxPrepayAmount,
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)
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}
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func (l *loopOutSwapSuggestion) channels() []lnwire.ShortChannelID {
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channels := make([]lnwire.ShortChannelID, len(l.OutgoingChanSet))
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for i, id := range l.OutgoingChanSet {
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channels[i] = lnwire.NewShortChanIDFromInt(id)
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}
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return channels
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}
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