diff --git a/lib/threefold/grid4/datamodel/model_bid.v b/lib/threefold/grid4/datamodel/model_bid.v
new file mode 100644
index 00000000..85639d9c
--- /dev/null
+++ b/lib/threefold/grid4/datamodel/model_bid.v
@@ -0,0 +1,22 @@
+module datamodel
+
+@[heap]
+pub struct Reservation {
+pub mut:
+	id            u32
+	customer_id u32 //links back to customer for this capacity
+	compute_slices []u32
+	storage_slices []u32
+	status        ReservationStatus
+	obligation    bool //if obligation then will be charged and money needs to be in escrow, otherwise its an intent
+	start_date u32 //epoch
+	end_date u32
+}
+
+pub enum ReservationStatus {
+	pending
+	confirmed
+	assigned
+	cancelled
+	done
+}
\ No newline at end of file