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https://github.com/lightninglabs/loop.git
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d554b42ef6
Update LND, Aperture, and Taproot Assets to revisions using the btcd v2 modules, and update lndclient to v0.21.0-3. Migrate Loop chain, transaction, and address types to their corresponding v2 packages. The lndclient release includes the migration from: https://github.com/lightninglabs/lndclient/pull/280 Taproot Assets is temporarily replaced with its btcd v2 revision because the v0.8 release branch has not adopted the new modules. This raises the minimum Go version to 1.26 and changes exported address types.
73 lines
2.3 KiB
Go
73 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/v2"
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"github.com/btcsuite/btcd/txscript/v2"
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"github.com/btcsuite/btcd/wire/v2"
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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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