[types] Remove unnecessary deps

Author: c410-f3r

types/Cargo.toml

@@ -8,11 +8,10 @@ license = "MIT"
 
 [dependencies]
 async-trait = "0.1"
-anyhow = "1"
 beef = "0.5"
-futures = "0.3"
-log = "0.4"
-thiserror = "1.0"
-serde = { version = "1.0", default-features = false, features = ["derive"] }
-serde_json = { version = "1", features = ["raw_value"] }
+futures = { default-features = false, features = ["std"], version = "0.3" }
+log = { default-features = false, version = "0.4" }
+serde = { default-features = false, features = ["derive"], version = "1.0" }
+serde_json = { default-features = false, features = ["alloc", "raw_value", "std"], version = "1.0" }
 smallvec = "1.0"
+thiserror = "1.0"

types/src/client.rs

@@ -2,7 +2,7 @@ use crate::error::Error;
 use crate::jsonrpc::{self, DeserializeOwned, JsonValue, Params, SubscriptionId};
 use core::marker::PhantomData;
 use futures::channel::{mpsc, oneshot};
-use futures::prelude::*;
+use futures::{FutureExt, SinkExt, StreamExt};
 
 /// Active subscription on a Client.
 pub struct Subscription<Notif> {

types/src/v2/traits.rs

@@ -11,5 +11,7 @@ impl<R, T> RpcMethod<R> for T where T: Fn(RpcParams) -> Result<R, RpcError> + Se
 
 /// RPC Call Result.
 trait RpcResult {
-	fn to_json(self, id: Option<&RawValue>) -> anyhow::Result<String>;
+	type Error;
+
+	fn to_json(self, id: Option<&RawValue>) -> Result<String, Self::Error>;
 }