feat: land regsitry -- register land function

land_registry/src/contracts/LandRegistry.cairo

@@ -35,7 +35,7 @@ mod LandRegistry {
         owner: ContractAddress,
         location: felt252,
         area: u256,
-        land_use: felt252,
+        land_use: LandUse,
         is_verified: bool,
         last_transaction_timestamp: u64,
     }
@@ -72,4 +72,62 @@ mod LandRegistry {
         to_owner: ContractAddress,
     }
 
-}
+    #[Contructor]
+    fn contructor(ref self: TContractSatate, deployer: ContractAddress) {
+        let deployer_address = get_caller_address();
+        emit!(ContractDeployed { deployer: deployer_address, });
+    }
+    #[derive(Drop)]
+    struct Location {
+        latitude: f64,
+        longitude: f64,
+    }
+
+    #[abi(embed_v0)]
+    impl LandRegistryImpl of ILandRegistry<TContractState> {
+        fn register_land(
+            ref self: TContractState,
+            owner: OwnerAddress,
+            location: Location,
+            area: u256,
+            land_use: LandUse,
+        ) -> u256 {
+            //we will use the block time stamp as the landid for now.
+            let mut timestamp = get_block_timestamp();
+            let land_id: u256 = timestamp.into();
+            let new_land = Land {
+                owner: OwnerAddress,
+                location: location,
+                area: area,
+                land_use: LandUse,
+                landid: landid,
+            };
+
+            //store the land in the lands map..
+            let result = self.lands.insert(land_id, new_land);
+
+            // Add the land Id the list of owner lands by for an owner such that we can retrieve all
+            // the lands for a specific owner
+            let owner_lands = self.owner_lands.entry(owner).or_insert(Vec::new());
+
+            //Emit events for land registered. This will help use to track registered lands
+
+            //How can we get owner lands?
+
+            emit!(
+                LandRegistered {
+                    land_id: u256,
+                    owner: ContractAddress,
+                    location: felt252,
+                    area: u256,
+                    land_use: felt252,
+                }
+            );
+
+            //finally return the landID
+            land_id
+
+            println!('You land has been succcessfully registered {:?}', result)
+        }
+    }
+}

land_registry/src/lib.cairo

@@ -0,0 +1 @@
+

land_registry/src/tests/test_land_registry.cairo

@@ -0,0 +1 @@
+