Create payment_intent.cairo

src/payment_intent.cairo

@@ -0,0 +1,76 @@
+#[starknet::contract]
+mod PaymentIntent {
+    use starknet::{ContractAddress, get_caller_address};
+
+    #[derive(Drop, starknet::Store, Serde)]
+    struct PaymentIntentData {
+        amount: u256,
+        currency: felt252,
+        customer: ContractAddress,
+        recipient: ContractAddress,
+        status: felt252,
+    }
+
+    #[storage]
+    struct Storage {
+        intents: LegacyMap<felt252, PaymentIntentData>,
+        next_intent_id: u128,
+    }
+
+    #[event]
+    #[derive(Drop, starknet::Event)]
+    enum Event {
+        IntentCreated: IntentCreated,
+    }
+
+    #[derive(Drop, starknet::Event, Serde)]
+    struct IntentCreated {
+        intent_id: felt252,
+        customer: ContractAddress,
+        recipient: ContractAddress,
+        amount: u256,
+        currency: felt252,
+    }
+
+    #[external(v0)]
+    impl PaymentIntentImpl of super::PaymentIntentInterface {
+        fn create_intent(
+            ref self: ContractState,
+            amount: u256,
+            currency: felt252,
+            customer: ContractAddress,
+            recipient: ContractAddress,
+        ) -> felt252 {
+            let mut storage = self.storage();
+            let intent_id = storage.next_intent_id.read();
+
+            let payment_intent = PaymentIntentData {
+                amount,
+                currency,
+                customer,
+                recipient,
+                status: 'created',
+            };
+
+            storage.intents.write(intent_id.into(), payment_intent);
+            storage.next_intent_id.write(intent_id + 1);
+
+            self.emit(
+                IntentCreated {
+                    intent_id: intent_id.into(),
+                    customer,
+                    recipient,
+                    amount,
+                    currency,
+                },
+            );
+
+            intent_id.into()
+        }
+
+        #[view]
+        fn get_intent(self: @ContractState, intent_id: felt252) -> PaymentIntentData {
+            self.storage().intents.read(intent_id)
+        }
+    }
+}