refactor: make IPC generic over AsyncRead/Write

ethers-providers/Cargo.toml

@@ -40,6 +40,7 @@ tracing-futures = { version = "0.2.5", default-features = false, features = ["st
 tokio = { version = "1.4", default-features = false, optional = true }
 tokio-tungstenite = { version = "0.13.0", default-features = false, features = ["connect", "tls"], optional = true }
 tokio-util = { version = "0.6.5", default-features = false, features = ["io"], optional = true }
+bytes = { version  = "1.0.1", default-features = false, optional = true }
 
 [dev-dependencies]
 ethers = { version = "0.2", path = "../ethers" }
@@ -50,4 +51,4 @@ tempfile = "3.2.0"
 default = ["ws", "ipc"]
 celo = ["ethers-core/celo"]
 ws = ["tokio", "tokio-tungstenite"]
-ipc = ["tokio", "tokio/io-util", "tokio-util"]
+ipc = ["tokio", "tokio/io-util", "tokio-util", "bytes"]

ethers-providers/src/provider.rs

@@ -728,7 +728,7 @@ impl Provider<crate::Ws> {
 impl Provider<crate::Ipc> {
     /// Direct connection to an IPC socket.
     pub async fn connect_ipc(path: impl AsRef<std::path::Path>) -> Result<Self, ProviderError> {
-        let ipc = crate::Ipc::new(path).await?;
+        let ipc = crate::Ipc::connect(path).await?;
         Ok(Self::new(ipc))
     }
 }