From 9bb550e9938f48c80ec88ed03296eab2f48746fe Mon Sep 17 00:00:00 2001
From: Michael Birch <michael.birch@aurora.dev>
Date: Wed, 27 Jul 2022 16:22:56 +0200
Subject: [PATCH] Fix compilation

---
 engine-precompiles/src/xcc.rs | 11 ++++++-----
 engine/src/engine.rs          |  4 ++--
 engine/src/lib.rs             |  3 ++-
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/engine-precompiles/src/xcc.rs b/engine-precompiles/src/xcc.rs
index 7a62b9fa1..29b77f64b 100644
--- a/engine-precompiles/src/xcc.rs
+++ b/engine-precompiles/src/xcc.rs
@@ -5,12 +5,11 @@
 
 use crate::{Context, EvmPrecompileResult, Precompile, PrecompileOutput};
 use aurora_engine_sdk::io::IO;
-use aurora_engine_types::types::EthGas;
+use aurora_engine_types::{types::EthGas, vec, Cow};
 use evm_core::ExitError;
-use std::borrow::Cow;
 
 mod costs {
-    use crate::prelude::types::{EthGas, NearGas};
+    use crate::prelude::types::EthGas;
 
     // TODO(#483): Determine the correct amount of gas
     pub(super) const CROSS_CONTRACT_CALL: EthGas = EthGas::new(0);
@@ -38,7 +37,7 @@ pub mod cross_contract_call {
 }
 
 impl<I: IO> Precompile for CrossContractCall<I> {
-    fn required_gas(input: &[u8]) -> Result<EthGas, ExitError> {
+    fn required_gas(_input: &[u8]) -> Result<EthGas, ExitError> {
         Ok(costs::CROSS_CONTRACT_CALL)
     }
 
@@ -55,9 +54,11 @@ impl<I: IO> Precompile for CrossContractCall<I> {
             }
         }
 
-        // It's not allowed to call cross contract call precompile in static mode
+        // It's not allowed to call cross contract call precompile in static or delegate mode
         if is_static {
             return Err(ExitError::Other(Cow::from("ERR_INVALID_IN_STATIC")));
+        } else if context.address != cross_contract_call::ADDRESS.raw() {
+            return Err(ExitError::Other(Cow::from("ERR_INVALID_IN_DELEGATE")));
         }
 
         Ok(PrecompileOutput {
diff --git a/engine/src/engine.rs b/engine/src/engine.rs
index ffa120f7a..36fe17f3a 100644
--- a/engine/src/engine.rs
+++ b/engine/src/engine.rs
@@ -679,11 +679,11 @@ impl<'env, I: IO + Copy, E: Env> Engine<'env, I, E> {
         status.into_result(result)
     }
 
-    pub fn factory_propose(&mut self, code: Vec<u8>) -> H256 {
+    pub fn factory_propose(&mut self, _code: Vec<u8>) -> H256 {
         todo!(); // Store proposal in state. Return hash of the proposal.
     }
 
-    pub fn factory_accept(&mut self, hash: H256) -> bool {
+    pub fn factory_accept(&mut self, _hash: H256) -> bool {
         todo!(); // Find proposal, check it can only be called by admin. Update default contract and bump version.
     }
 
diff --git a/engine/src/lib.rs b/engine/src/lib.rs
index 7949a11fb..040546e87 100644
--- a/engine/src/lib.rs
+++ b/engine/src/lib.rs
@@ -95,6 +95,7 @@ mod contract {
     use aurora_engine_sdk::io::{StorageIntermediate, IO};
     use aurora_engine_sdk::near_runtime::{Runtime, ViewEnv};
     use aurora_engine_sdk::promise::PromiseHandler;
+    use aurora_engine_types::Vec;
 
     #[cfg(feature = "integration-test")]
     use crate::prelude::NearGas;
@@ -350,7 +351,7 @@ mod contract {
         let io = Runtime;
         let proxy_bytecode_hash = io.read_input_arr32().sdk_unwrap();
 
-        let mut state = engine::get_state(&io).sdk_unwrap();
+        let state = engine::get_state(&io).sdk_unwrap();
         let predecessor_account_id = io.predecessor_account_id();
         require_owner_only(&state, &predecessor_account_id);