feat: Add encoding to test suite (#259)

* feat: Add encoding to test suite

Use execution from simulation
Add protocol_system to all test files and pass it to run tycho
Add encoding_utils.rs

#time 5h 0m

#time 1m

#time 7m

* refactor: Move encoding swap to its own method to simplify main code

Rename encoding_utils.rs to encoding.rs

#time 20m


#time 0m

#time 0m

protocol-testing/src/tycho_rpc.rs

@@ -15,14 +15,12 @@ use tycho_common::{
 #[derive(Debug)]
 pub enum RpcError {
     ClientError(String),
-    ResponseError(String),
 }
 
 impl fmt::Display for RpcError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             RpcError::ClientError(msg) => write!(f, "RPC client error: {msg}"),
-            RpcError::ResponseError(msg) => write!(f, "RPC response error: {msg}"),
         }
     }
 }