Companion for removal of execution strategies (#7443)

* Companion for removal of execution strategies

https://github.com/paritytech/substrate/pull/14387

* Fix some tests

* 🤦

* Adapt to latest changes

* Start supporting the offchain transaction pool

* Fix tests

* FMT

* Remove patches

* Update Substrate

* update lockfile for {"substrate"}

* Fix parachain upgrade smoke test

* Fix test

* Rewrite all tests to use `MockSubstemClient`

---------

Co-authored-by: parity-processbot <>

polkadot/node/test/service/src/lib.rs

@@ -35,7 +35,7 @@ use polkadot_test_runtime::{
 };
 
 use sc_chain_spec::ChainSpec;
-use sc_client_api::{execution_extensions::ExecutionStrategies, BlockchainEvents};
+use sc_client_api::BlockchainEvents;
 use sc_network::{
 	config::{NetworkConfiguration, TransportConfig},
 	multiaddr, NetworkStateInfo,
@@ -157,14 +157,6 @@ pub fn node_config(
 			instantiation_strategy: WasmtimeInstantiationStrategy::PoolingCopyOnWrite,
 		},
 		wasm_runtime_overrides: Default::default(),
-		// NOTE: we enforce the use of the native runtime to make the errors more debuggable
-		execution_strategies: ExecutionStrategies {
-			syncing: sc_client_api::ExecutionStrategy::NativeWhenPossible,
-			importing: sc_client_api::ExecutionStrategy::NativeWhenPossible,
-			block_construction: sc_client_api::ExecutionStrategy::NativeWhenPossible,
-			offchain_worker: sc_client_api::ExecutionStrategy::NativeWhenPossible,
-			other: sc_client_api::ExecutionStrategy::NativeWhenPossible,
-		},
 		rpc_addr: Default::default(),
 		rpc_max_request_size: Default::default(),
 		rpc_max_response_size: Default::default(),