...

lib/threefold/grid4/datamodel/model_node.v

@@ -12,6 +12,9 @@ pub mut:
 	country       string       // 2 letter code as specified in lib/data/countries/data/countryInfo.txt, use that library for validation
 	capacity      NodeCapacity // Hardware capacity details
 	provisiontime u32          // lets keep it simple and compatible
+	pubkey string 
+	signature_node string //signature done on node to validate pubkey with privkey
+	signature_farmer string //signature as done by farmers to validate their identity
 }
 
 pub struct DeviceInfo {

lib/threefold/grid4/datamodel/model_reservation.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
+}

lib/threefold/grid4/datamodel/model_slice_compute.v

@@ -0,0 +1,22 @@
+module datamodel
+
+
+
+// typically 1GB of memory, but can be adjusted based based on size of machine
+@[heap]
+pub struct ComputeSlice {
+pub mut:
+	nodeid                   u32 // the node in the grid, there is an object describing the node
+	id                       int // the id of the slice in the node
+	mem_gb                   f64
+	storage_gb               f64
+	passmark                 int
+	vcores                   int
+	cpu_oversubscription     int
+	storage_oversubscription int
+	price_range              []f64 = [0.0, 0.0]
+	gpus                     u8  // nr of GPU's see node to know what GPU's are
+	price_cc                 f64 // price per slice (even if the grouped one)
+	pricing_policy           PricingPolicy
+	sla_policy               SLAPolicy
+}

lib/threefold/grid4/datamodel/model_slice_storage.v

@@ -0,0 +1,16 @@
+module datamodel
+
+
+// 1GB of storage
+@[heap]
+pub struct StorageSlice {
+pub mut:
+	nodeid         u32 // the node in the grid
+	id             int // the id of the slice in the node, are tracked in the node itself
+	price_cc       f64 // price per slice (even if the grouped one)
+	pricing_policy PricingPolicy //copied from node which is part of nodegroup
+	sla_policy     SLAPolicy
+}
+
+
+