From f58c90d5faefd01f17fbe8e3e3f0d994f13cb176 Mon Sep 17 00:00:00 2001
From: Fishon Amos <amosfishon@gmail.com>
Date: Mon, 14 Oct 2024 12:05:09 +0100
Subject: [PATCH] land approver

---
 land_registry/src/interface.cairo     | 13 ++++++++++++-
 land_registry/src/land_register.cairo | 11 +++++++++--
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/land_registry/src/interface.cairo b/land_registry/src/interface.cairo
index cac74521..544eca5a 100644
--- a/land_registry/src/interface.cairo
+++ b/land_registry/src/interface.cairo
@@ -9,6 +9,14 @@ pub struct Land {
     last_transaction_timestamp: u64,
 }
 
+struct LandApprovalDetails {
+    ApprovedBy: felt252,
+    Agency: felt252,
+    land: Land,
+    land_id: u256,
+    timestamp: u64,
+}
+
 #[derive(Drop, Copy, Clone, Serde, starknet::Store, PartialEq)]
 pub enum LandUse {
     Residential,
@@ -33,10 +41,13 @@ pub trait ILandRegistry<TContractState> {
     fn register_land(
         ref self: TContractState, location: felt252, area: u256, land_use: LandUse,
     ) -> u256;
-    //fn transfer_land(ref self: TContractState, land_id: u256, new_owner: ContractAddress);
+    fn transfer_land(ref self: TContractState, land_id: u256, new_owner: ContractAddress);
     fn get_land(self: @TContractState, land_id: u256) -> Land;
     //fn get_owner_lands(self: @TContractState, owner_lands: ContractAddress) -> Array<u256>;
     //fn get_lands(self: @TContractState, owner: ContractAddress, location: felt252, land_use:
     //felt252) -> Array<u256>;
+
     fn update_land(ref self: TContractState, land_id: u256, area: u256, land_use: LandUse);
+    // fn get_approved_lands
+//fn approve_land
 }
diff --git a/land_registry/src/land_register.cairo b/land_registry/src/land_register.cairo
index 92f99c03..3c2cfe21 100644
--- a/land_registry/src/land_register.cairo
+++ b/land_registry/src/land_register.cairo
@@ -14,9 +14,11 @@ pub mod LandRegistryContract {
     }
 
 
-    //What are we storing
+    //lands
 
-    //lands, owners.
+    //What are we storing?
+
+    //lands, owners?
 
     #[event]
     #[derive(Drop, starknet::Event)]
@@ -97,5 +99,10 @@ pub mod LandRegistryContract {
 
             self.emit(LandUpdated { land_id: land_id, area: area, land_use: land_use.into(), });
         }
+
+        fn transfer_land(ref self: ContractState, land_id: u256, new_owner: ContractAddress) {
+            let land = self.lands.read(land_id);
+            self.lands.write(land_id, Land { owner: new_owner, ..land });
+        }
     }
 }