From 00752873022ab0c6b1bda38159d9f738848cda04 Mon Sep 17 00:00:00 2001
From: Miraculous Owonubi <omiraculous@gmail.com>
Date: Wed, 27 Nov 2024 17:20:58 +0100
Subject: [PATCH 1/2] fix(near): handle request timeout (#989)

---
 .../config/src/client/protocol/near.rs        | 27 ++++++++++++++-----
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/crates/context/config/src/client/protocol/near.rs b/crates/context/config/src/client/protocol/near.rs
index 8fa40fca1..6454853c3 100644
--- a/crates/context/config/src/client/protocol/near.rs
+++ b/crates/context/config/src/client/protocol/near.rs
@@ -4,6 +4,9 @@ use std::{time, vec};
 
 pub use near_crypto::SecretKey;
 use near_crypto::{InMemorySigner, PublicKey, Signer};
+use near_jsonrpc_client::errors::{
+    JsonRpcError, JsonRpcServerError, JsonRpcServerResponseStatusError,
+};
 use near_jsonrpc_client::methods::query::{RpcQueryRequest, RpcQueryResponse};
 use near_jsonrpc_client::methods::send_tx::RpcSendTransactionRequest;
 use near_jsonrpc_client::methods::tx::RpcTransactionStatusRequest;
@@ -298,12 +301,24 @@ impl Network {
             match response {
                 Ok(response) => break response,
                 Err(err) => {
-                    let Some(RpcTransactionError::TimeoutError) = err.handler_error() else {
-                        return Err(NearError::Custom {
-                            operation: ErrorOperation::Mutate,
-                            reason: err.to_string(),
-                        });
-                    };
+                    #[expect(
+                        clippy::wildcard_enum_match_arm,
+                        reason = "quite terse, these variants"
+                    )]
+                    match err {
+                        JsonRpcError::ServerError(
+                            JsonRpcServerError::ResponseStatusError(
+                                JsonRpcServerResponseStatusError::TimeoutError,
+                            )
+                            | JsonRpcServerError::HandlerError(RpcTransactionError::TimeoutError),
+                        ) => {}
+                        _ => {
+                            return Err(NearError::Custom {
+                                operation: ErrorOperation::Mutate,
+                                reason: err.to_string(),
+                            });
+                        }
+                    }
 
                     if sent_at.elapsed().as_secs() > 60 {
                         return Err(NearError::TransactionTimeout);

From 31d56aaeef5a7093ea0fb01366b22cf2a8082a38 Mon Sep 17 00:00:00 2001
From: Miraculous Owonubi <omiraculous@gmail.com>
Date: Wed, 27 Nov 2024 17:23:02 +0100
Subject: [PATCH 2/2] feat: nuke proxy when erasing context config (#990)

---
 contracts/context-config/src/sys.rs | 12 ++++++++++--
 contracts/proxy-lib/src/lib.rs      |  1 -
 contracts/proxy-lib/src/mutate.rs   | 21 +++++++++++++++++++++
 3 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/contracts/context-config/src/sys.rs b/contracts/context-config/src/sys.rs
index 00fb9121f..e59b2e1da 100644
--- a/contracts/context-config/src/sys.rs
+++ b/contracts/context-config/src/sys.rs
@@ -5,7 +5,7 @@ use calimero_context_config::repr::Repr;
 use calimero_context_config::types::{Application, ContextId, ContextIdentity, SignerId};
 use calimero_context_config::{SystemRequest, Timestamp};
 use near_sdk::store::{IterableMap, IterableSet};
-use near_sdk::{env, near};
+use near_sdk::{env, near, Gas, NearToken, Promise};
 
 use crate::{parse_input, Config, ContextConfigs, ContextConfigsExt};
 
@@ -36,9 +36,17 @@ impl ContextConfigs {
         for (_, context) in self.contexts.drain() {
             let _ignored = context.application.into_inner();
             context.members.into_inner().clear();
-            let _ignored = context.proxy.into_inner();
+            let proxy = context.proxy.into_inner();
+
+            let _is_sent_on_drop = Promise::new(proxy).function_call(
+                "nuke".to_owned(),
+                vec![],
+                NearToken::default(),
+                Gas::from_tgas(1),
+            );
         }
 
+        self.next_proxy_id = 0;
         self.proxy_code.set(None);
 
         env::log_str(&format!(
diff --git a/contracts/proxy-lib/src/lib.rs b/contracts/proxy-lib/src/lib.rs
index 1207cfc28..7425d2783 100644
--- a/contracts/proxy-lib/src/lib.rs
+++ b/contracts/proxy-lib/src/lib.rs
@@ -102,7 +102,6 @@ impl ProxyContract {
         &self,
         proposal_id: Repr<ProposalId>,
     ) -> Option<Vec<Repr<SignerId>>> {
-        let approvals_for_proposal = self.approvals.get(&proposal_id);
         let approvals = self.approvals.get(&proposal_id)?;
         Some(approvals.iter().flat_map(|a| a.rt()).collect())
     }
diff --git a/contracts/proxy-lib/src/mutate.rs b/contracts/proxy-lib/src/mutate.rs
index ae415a974..8aec79d60 100644
--- a/contracts/proxy-lib/src/mutate.rs
+++ b/contracts/proxy-lib/src/mutate.rs
@@ -40,6 +40,7 @@ impl ProxyContract {
         }
     }
 }
+
 #[near]
 impl ProxyContract {
     #[private]
@@ -226,6 +227,26 @@ impl ProxyContract {
             )
     }
 
+    fn erase(&mut self) {
+        // if this is going to be exposed, it should be a proposal
+        self.proposals.clear();
+        self.approvals.clear();
+        self.num_proposals_pk.clear();
+        self.context_storage.clear();
+    }
+
+    pub fn nuke(&mut self) -> Promise {
+        require!(
+            env::predecessor_account_id() == self.context_config_account_id,
+            "Only the context config contract can nuke the proxy"
+        );
+
+        self.erase();
+
+        Promise::new(env::current_account_id())
+            .delete_account(self.context_config_account_id.clone())
+    }
+
     #[private]
     pub fn update_contract_callback(
         &mut self,