revert(abci): remove RefUniwndSafe trait from RequestDispatcher

abci/src/application.rs

@@ -1,5 +1,4 @@
 //! ABCI application interface.
-use std::panic::RefUnwindSafe;
 
 use tracing::debug;
 
@@ -139,7 +138,7 @@ pub trait Application {
     }
 }
 
-pub trait RequestDispatcher: RefUnwindSafe {
+pub trait RequestDispatcher {
     /// Executes the relevant application method based on the type of the
     /// request, and produces the corresponding response.
     ///
@@ -149,7 +148,7 @@ pub trait RequestDispatcher: RefUnwindSafe {
 }
 
 // Implement `RequestDispatcher` for all `Application`s.
-impl<A: Application + RefUnwindSafe> RequestDispatcher for A {
+impl<A: Application> RequestDispatcher for A {
     fn handle(&self, request: abci::Request) -> Option<abci::Response> {
         tracing::trace!(?request, "received request");
 

abci/src/server.rs

@@ -6,7 +6,6 @@ mod unix;
 use std::{
     io::{Read, Write},
     net::{IpAddr, SocketAddr, SocketAddrV4, SocketAddrV6},
-    panic::RefUnwindSafe,
     str::FromStr,
 };
 
@@ -24,7 +23,7 @@ pub(crate) const DEFAULT_SERVER_READ_BUF_SIZE: usize = 1024 * 1024;
 /// Use [`Server::handle_connection()`] to accept connection and process all
 /// traffic in this connection. Each incoming connection will be processed using
 /// `app`.
-pub trait Server: RefUnwindSafe {
+pub trait Server {
     /// Process one incoming connection.
     ///
     /// Returns when the connection is terminated or RequestDispatcher returns