Initial dract of the common structs

common/slot.go

@@ -0,0 +1,12 @@
+package common
+
+// Slot represents a slot of the Hermez network
+// WARNING: this is strongly based on the previous implementation, once the new spec is done, this may change a lot.
+type Slot struct {
+	SlotNum       SlotNum
+	StartingBlock uint64   // Etherum block in which the slot starts
+	Forger        Operator // Current Operaror winner information
+}
+
+// SlotNum identifies a slot
+type SlotNum uint32