Fix getTransactionStatus rpc response

rpc/handlers.go

@@ -501,7 +501,7 @@ func (h *Handler) MethodsV0_7() ([]jsonrpc.Method, string) { //nolint: funlen
 		{
 			Name:    "starknet_getTransactionStatus",
 			Params:  []jsonrpc.Parameter{{Name: "transaction_hash"}},
-			Handler: h.TransactionStatus,
+			Handler: h.TransactionStatusV0_7,
 		},
 		{
 			Name:    "starknet_call",

rpc/transaction.go

@@ -646,6 +646,24 @@ func (h *Handler) TransactionStatus(ctx context.Context, hash felt.Felt) (*Trans
 	return nil, txErr
 }
 
+// In 0.7.0, the failure reason is not returned in the TransactionStatus response.
+type TransactionStatusV0_7 struct {
+	Finality  TxnStatus          `json:"finality_status"`
+	Execution TxnExecutionStatus `json:"execution_status,omitempty"`
+}
+
+func (h *Handler) TransactionStatusV0_7(ctx context.Context, hash felt.Felt) (*TransactionStatusV0_7, *jsonrpc.Error) {
+	res, err := h.TransactionStatus(ctx, hash)
+	if err != nil {
+		return nil, err
+	}
+
+	return &TransactionStatusV0_7{
+		Finality:  res.Finality,
+		Execution: res.Execution,
+	}, nil
+}
+
 func makeJSONErrorFromGatewayError(err error) *jsonrpc.Error {
 	gatewayErr, ok := err.(*gateway.Error)
 	if !ok {