Drop unconditional forfeits txs in offline payment (#344)

* remove unconditionnal forfeit tx

* fix sqlite vtxo repo

* remove pendingData struct

* delete uncond_forfeits_tx table

server/internal/interface/grpc/handlers/arkservice.go

@@ -362,7 +362,7 @@ func (h *handler) CreatePayment(
 		}
 	}
 
-	redeemTx, unconditionalForfeitTxs, err := h.svc.CreateAsyncPayment(
+	redeemTx, err := h.svc.CreateAsyncPayment(
 		ctx, inputs, receivers,
 	)
 	if err != nil {
@@ -370,8 +370,7 @@ func (h *handler) CreatePayment(
 	}
 
 	return &arkv1.CreatePaymentResponse{
-		SignedRedeemTx:                 redeemTx,
-		UsignedUnconditionalForfeitTxs: unconditionalForfeitTxs,
+		SignedRedeemTx: redeemTx,
 	}, nil
 }
 
@@ -382,12 +381,8 @@ func (h *handler) CompletePayment(
 		return nil, status.Error(codes.InvalidArgument, "missing signed redeem tx")
 	}
 
-	if len(req.GetSignedUnconditionalForfeitTxs()) <= 0 {
-		return nil, status.Error(codes.InvalidArgument, "missing signed unconditional forfeit txs")
-	}
-
 	if err := h.svc.CompleteAsyncPayment(
-		ctx, req.GetSignedRedeemTx(), req.GetSignedUnconditionalForfeitTxs(),
+		ctx, req.GetSignedRedeemTx(),
 	); err != nil {
 		return nil, err
 	}

server/internal/interface/grpc/handlers/parser.go

@@ -65,13 +65,6 @@ type vtxoList []domain.Vtxo
 func (v vtxoList) toProto() []*arkv1.Vtxo {
 	list := make([]*arkv1.Vtxo, 0, len(v))
 	for _, vv := range v {
-		var pendingData *arkv1.PendingPayment
-		if vv.AsyncPayment != nil {
-			pendingData = &arkv1.PendingPayment{
-				RedeemTx:                vv.AsyncPayment.RedeemTx,
-				UnconditionalForfeitTxs: vv.AsyncPayment.UnconditionalForfeitTxs,
-			}
-		}
 		list = append(list, &arkv1.Vtxo{
 			Outpoint: &arkv1.Outpoint{
 				Txid: vv.Txid,
@@ -84,7 +77,7 @@ func (v vtxoList) toProto() []*arkv1.Vtxo {
 			ExpireAt:    vv.ExpireAt,
 			SpentBy:     vv.SpentBy,
 			Swept:       vv.Swept,
-			PendingData: pendingData,
+			RedeemTx:    vv.RedeemTx,
 			Pending:     vv.Pending,
 		})
 	}