Drop PendingChange field (#331)

* Drop pending_change

* Fixes

* Polish

* Fallback to psbt string

pkg/client-sdk/client/client.go

@@ -88,7 +88,6 @@ type Vtxo struct {
 	RedeemTx                string
 	UnconditionalForfeitTxs []string
 	Pending                 bool
-	PendingChange           bool
 	SpentBy                 string
 }
 

pkg/client-sdk/client/grpc/client.go

@@ -462,7 +462,6 @@ func (v vtxo) toVtxo() client.Vtxo {
 		RoundTxid:               v.GetPoolTxid(),
 		ExpiresAt:               expiresAt,
 		Pending:                 v.GetPending(),
-		PendingChange:           v.GetPendingChange(),
 		RedeemTx:                redeemTx,
 		UnconditionalForfeitTxs: uncondForfeitTxs,
 		SpentBy:                 v.GetSpentBy(),

pkg/client-sdk/client/rest/client.go

@@ -177,7 +177,6 @@ func (a *restClient) ListVtxos(
 			RoundTxid:               v.PoolTxid,
 			ExpiresAt:               expiresAt,
 			Pending:                 v.Pending,
-			PendingChange:           v.PendingChange,
 			RedeemTx:                redeemTx,
 			UnconditionalForfeitTxs: uncondForfeitTxs,
 			SpentBy:                 v.SpentBy,

pkg/client-sdk/client/rest/service/models/v1_vtxo.go

@@ -33,9 +33,6 @@ type V1Vtxo struct {
 	// pending
 	Pending bool `json:"pending,omitempty"`
 
-	// pending change
-	PendingChange bool `json:"pendingChange,omitempty"`
-
 	// pending data
 	PendingData *V1PendingPayment `json:"pendingData,omitempty"`