mirror of
https://github.com/lightninglabs/loop
synced 2024-11-04 06:00:21 +00:00
74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
package instantout
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import (
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"context"
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"github.com/btcsuite/btcd/btcutil"
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"github.com/btcsuite/btcd/txscript"
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"github.com/btcsuite/btcd/wire"
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"github.com/lightninglabs/loop/instantout/reservation"
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)
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const (
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KeyFamily = int32(42069)
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)
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// InstantLoopOutStore is the interface that needs to be implemented by a
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// store that wants to be used by the instant loop out manager.
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type InstantLoopOutStore interface {
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// CreateInstantLoopOut adds a new instant loop out to the store.
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CreateInstantLoopOut(ctx context.Context, instantOut *InstantOut) error
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// UpdateInstantLoopOut updates an existing instant loop out in the
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// store.
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UpdateInstantLoopOut(ctx context.Context, instantOut *InstantOut) error
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// GetInstantLoopOut returns the instant loop out for the given swap
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// hash.
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GetInstantLoopOut(ctx context.Context, swapHash []byte) (*InstantOut, error)
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// ListInstantLoopOuts returns all instant loop outs that are in the
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// store.
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ListInstantLoopOuts(ctx context.Context) ([]*InstantOut, error)
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}
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// ReservationManager handles fetching and locking of reservations.
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type ReservationManager interface {
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// GetReservation returns the reservation for the given id.
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GetReservation(ctx context.Context, id reservation.ID) (
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*reservation.Reservation, error)
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// LockReservation locks the reservation for the given id.
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LockReservation(ctx context.Context, id reservation.ID) error
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// UnlockReservation unlocks the reservation for the given id.
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UnlockReservation(ctx context.Context, id reservation.ID) error
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}
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// InputReservations is a helper struct for the input reservations.
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type InputReservations []InputReservation
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// InputReservation is a helper struct for the input reservation.
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type InputReservation struct {
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Outpoint wire.OutPoint
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Value btcutil.Amount
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PkScript []byte
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}
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// Output returns the output for the input reservation.
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func (r InputReservation) Output() *wire.TxOut {
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return wire.NewTxOut(int64(r.Value), r.PkScript)
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}
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// GetPrevoutFetcher returns a prevout fetcher for the input reservations.
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func (i InputReservations) GetPrevoutFetcher() txscript.PrevOutputFetcher {
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prevOuts := make(map[wire.OutPoint]*wire.TxOut)
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// add the reservation inputs
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for _, reservation := range i {
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prevOuts[reservation.Outpoint] = reservation.Output()
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}
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return txscript.NewMultiPrevOutFetcher(prevOuts)
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}
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