From 9641e15ed7f8aca4dc66953e5979c05f54be0857 Mon Sep 17 00:00:00 2001
From: MSghais <msghais135@gmail.com>
Date: Tue, 18 Jun 2024 15:38:21 +0200
Subject: [PATCH] event escrow for deposit claim and cancel

---
 onchain/src/social/deposit.cairo | 42 ++++++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

diff --git a/onchain/src/social/deposit.cairo b/onchain/src/social/deposit.cairo
index 0a6488ad..d43ee357 100644
--- a/onchain/src/social/deposit.cairo
+++ b/onchain/src/social/deposit.cairo
@@ -40,6 +40,33 @@ pub trait IDepositEscrow<TContractState> {
     fn claim(ref self: TContractState, request: SocialRequest<DepositId>);
 }
 
+#[derive(Drop, starknet::Event)]
+struct ClaimEvent {
+    #[key]
+    sender: ContractAddress,
+    amount: u256,
+    token_address: ContractAddress,
+    recipient: NostrPublicKey,
+}
+
+#[derive(Drop, starknet::Event)]
+struct DepositEvent {
+    #[key]
+    sender: ContractAddress,
+    amount: u256,
+    token_address: ContractAddress,
+    recipient: NostrPublicKey,
+}
+
+#[derive(Drop, starknet::Event)]
+struct CancelEvent {
+    #[key]
+    sender: ContractAddress,
+    amount: u256,
+    token_address: ContractAddress,
+    recipient: NostrPublicKey,
+}
+
 
 #[starknet::contract]
 pub mod DepositEscrow {
@@ -55,7 +82,8 @@ pub mod DepositEscrow {
     };
 
     use super::{
-        Deposit, DepositId, DepositResult, IDepositEscrow, NostrPublicKey, DepositIdEncodeImpl
+        Deposit, DepositId, DepositResult, IDepositEscrow, NostrPublicKey, DepositIdEncodeImpl,
+        CancelEvent, DepositEvent, ClaimEvent
     };
 
     impl DepositDefault of Default<Deposit> {
@@ -78,6 +106,14 @@ pub mod DepositEscrow {
         nostr_to_sn: LegacyMap<NostrPublicKey, ContractAddress>
     }
 
+    #[event]
+    #[derive(Drop, starknet::Event)]
+    enum Event {
+        ClaimEvent: ClaimEvent,
+        DepositEvent: DepositEvent,
+        CancelEvent: CancelEvent,
+    }
+
     #[constructor]
     fn constructor(ref self: ContractState) {
         self.next_deposit_id.write(1);
@@ -122,6 +158,7 @@ pub mod DepositEscrow {
                         ttl: get_block_timestamp() + timelock
                     }
                 );
+            self.emit(DepositEvent { sender:get_caller_address(), recipient:nostr_recipient, amount:amount, token_address:token_address });
 
             DepositResult::Deposit(deposit_id)
         }
@@ -137,7 +174,7 @@ pub mod DepositEscrow {
             let erc20 = IERC20Dispatcher { contract_address: deposit.token_address };
 
             erc20.transfer(get_caller_address(), deposit.amount);
-
+            self.emit(CancelEvent { sender:get_caller_address(), recipient:deposit.recipient, amount:deposit.amount, token_address:deposit.token_address });
             self.deposits.write(deposit_id, Default::default());
         }
 
@@ -152,6 +189,7 @@ pub mod DepositEscrow {
             erc20.transfer(get_caller_address(), deposit.amount);
 
             self.nostr_to_sn.write(request.public_key, get_caller_address());
+            self.emit(ClaimEvent { sender:get_caller_address(), recipient:request.public_key, amount:deposit.amount, token_address:deposit.token_address });
             self.deposits.write(deposit_id, Default::default());
         }
     }