Remove async-trait from monero-rpc

Cargo.lock

@@ -4949,7 +4949,6 @@ dependencies = [
 name = "monero-rpc"
 version = "0.1.0"
 dependencies = [
- "async-trait",
  "curve25519-dalek",
  "hex",
  "monero-address",
@@ -5013,7 +5012,6 @@ dependencies = [
 name = "monero-simple-request-rpc"
 version = "0.1.0"
 dependencies = [
- "async-trait",
  "digest_auth",
  "hex",
  "monero-address",

networks/monero/rpc/Cargo.toml

@@ -18,7 +18,6 @@ workspace = true
 [dependencies]
 std-shims = { path = "../../../common/std-shims", version = "^0.1.1", default-features = false }
 
-async-trait = { version = "0.1", default-features = false }
 thiserror = { version = "1", default-features = false, optional = true }
 
 zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] }

networks/monero/rpc/simple-request/Cargo.toml

@@ -16,8 +16,6 @@ rustdoc-args = ["--cfg", "docsrs"]
 workspace = true
 
 [dependencies]
-async-trait = { version = "0.1", default-features = false }
-
 hex = { version = "0.4", default-features = false, features = ["alloc"] }
 digest_auth = { version = "0.3", default-features = false }
 simple-request = { path = "../../../../common/request", version = "0.1", default-features = false, features = ["tls"] }

networks/monero/rpc/simple-request/src/lib.rs

@@ -2,10 +2,9 @@
 #![doc = include_str!("../README.md")]
 #![deny(missing_docs)]
 
+use core::future::Future;
 use std::{sync::Arc, io::Read, time::Duration};
 
-use async_trait::async_trait;
-
 use tokio::sync::Mutex;
 
 use digest_auth::{WwwAuthenticateHeader, AuthContext};
@@ -280,11 +279,16 @@ impl SimpleRequestRpc {
   }
 }
 
-#[async_trait]
 impl Rpc for SimpleRequestRpc {
-  async fn post(&self, route: &str, body: Vec<u8>) -> Result<Vec<u8>, RpcError> {
-    tokio::time::timeout(self.request_timeout, self.inner_post(route, body))
-      .await
-      .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?
+  fn post(
+    &self,
+    route: &str,
+    body: Vec<u8>,
+  ) -> impl Send + Future<Output = Result<Vec<u8>, RpcError>> {
+    async move {
+      tokio::time::timeout(self.request_timeout, self.inner_post(route, body))
+        .await
+        .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?
+    }
   }
 }