Rename the coins folder to networks (#583)

* Rename the coins folder to networks

Ethereum isn't a coin. It's a network.

Resolves #357.

* More renames of coins -> networks in orchestration

* Correct paths in tests/

* cargo fmt

networks/ethereum/alloy-simple-request-transport/src/lib.rs

@@ -0,0 +1,60 @@
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![doc = include_str!("../README.md")]
+
+use core::task;
+use std::io;
+
+use alloy_json_rpc::{RequestPacket, ResponsePacket};
+use alloy_transport::{TransportError, TransportErrorKind, TransportFut};
+
+use simple_request::{hyper, Request, Client};
+
+use tower::Service;
+
+#[derive(Clone, Debug)]
+pub struct SimpleRequest {
+  client: Client,
+  url: String,
+}
+
+impl SimpleRequest {
+  pub fn new(url: String) -> Self {
+    Self { client: Client::with_connection_pool(), url }
+  }
+}
+
+impl Service<RequestPacket> for SimpleRequest {
+  type Response = ResponsePacket;
+  type Error = TransportError;
+  type Future = TransportFut<'static>;
+
+  #[inline]
+  fn poll_ready(&mut self, _cx: &mut task::Context<'_>) -> task::Poll<Result<(), Self::Error>> {
+    task::Poll::Ready(Ok(()))
+  }
+
+  #[inline]
+  fn call(&mut self, req: RequestPacket) -> Self::Future {
+    let inner = self.clone();
+    Box::pin(async move {
+      let packet = req.serialize().map_err(TransportError::SerError)?;
+      let request = Request::from(
+        hyper::Request::post(&inner.url)
+          .header("Content-Type", "application/json")
+          .body(serde_json::to_vec(&packet).map_err(TransportError::SerError)?.into())
+          .unwrap(),
+      );
+
+      let mut res = inner
+        .client
+        .request(request)
+        .await
+        .map_err(|e| TransportErrorKind::custom(io::Error::other(format!("{e:?}"))))?
+        .body()
+        .await
+        .map_err(|e| TransportErrorKind::custom(io::Error::other(format!("{e:?}"))))?;
+
+      serde_json::from_reader(&mut res).map_err(|e| TransportError::deser_err(e, ""))
+    })
+  }
+}