mirror of https://github.com/lightninglabs/loop
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
package instantout
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/btcsuite/btcd/btcutil"
|
|
"github.com/btcsuite/btcd/txscript"
|
|
"github.com/btcsuite/btcd/wire"
|
|
"github.com/lightninglabs/loop/instantout/reservation"
|
|
)
|
|
|
|
const (
|
|
KeyFamily = int32(42069)
|
|
)
|
|
|
|
// InstantLoopOutStore is the interface that needs to be implemented by a
|
|
// store that wants to be used by the instant loop out manager.
|
|
type InstantLoopOutStore interface {
|
|
// CreateInstantLoopOut adds a new instant loop out to the store.
|
|
CreateInstantLoopOut(ctx context.Context, instantOut *InstantOut) error
|
|
|
|
// UpdateInstantLoopOut updates an existing instant loop out in the
|
|
// store.
|
|
UpdateInstantLoopOut(ctx context.Context, instantOut *InstantOut) error
|
|
|
|
// GetInstantLoopOut returns the instant loop out for the given swap
|
|
// hash.
|
|
GetInstantLoopOut(ctx context.Context, swapHash []byte) (*InstantOut, error)
|
|
|
|
// ListInstantLoopOuts returns all instant loop outs that are in the
|
|
// store.
|
|
ListInstantLoopOuts(ctx context.Context) ([]*InstantOut, error)
|
|
}
|
|
|
|
// ReservationManager handles fetching and locking of reservations.
|
|
type ReservationManager interface {
|
|
// GetReservation returns the reservation for the given id.
|
|
GetReservation(ctx context.Context, id reservation.ID) (
|
|
*reservation.Reservation, error)
|
|
|
|
// LockReservation locks the reservation for the given id.
|
|
LockReservation(ctx context.Context, id reservation.ID) error
|
|
|
|
// UnlockReservation unlocks the reservation for the given id.
|
|
UnlockReservation(ctx context.Context, id reservation.ID) error
|
|
}
|
|
|
|
// InputReservations is a helper struct for the input reservations.
|
|
type InputReservations []InputReservation
|
|
|
|
// InputReservation is a helper struct for the input reservation.
|
|
type InputReservation struct {
|
|
Outpoint wire.OutPoint
|
|
Value btcutil.Amount
|
|
PkScript []byte
|
|
}
|
|
|
|
// Output returns the output for the input reservation.
|
|
func (r InputReservation) Output() *wire.TxOut {
|
|
return wire.NewTxOut(int64(r.Value), r.PkScript)
|
|
}
|
|
|
|
// GetPrevoutFetcher returns a prevout fetcher for the input reservations.
|
|
func (i InputReservations) GetPrevoutFetcher() txscript.PrevOutputFetcher {
|
|
prevOuts := make(map[wire.OutPoint]*wire.TxOut)
|
|
|
|
// add the reservation inputs
|
|
for _, reservation := range i {
|
|
prevOuts[reservation.Outpoint] = reservation.Output()
|
|
}
|
|
|
|
return txscript.NewMultiPrevOutFetcher(prevOuts)
|
|
}
|