Telemetry per node (#7463)

substrate/client/network/Cargo.toml

@@ -48,8 +48,6 @@ sc-client-api = { version = "2.0.0", path = "../api" }
 sc-peerset = { version = "2.0.0", path = "../peerset" }
 serde = { version = "1.0.101", features = ["derive"] }
 serde_json = "1.0.41"
-slog = { version = "2.5.2", features = ["nested-values"] }
-slog_derive = "0.2.0"
 smallvec = "1.5.0"
 sp-arithmetic = { version = "2.0.0", path = "../../primitives/arithmetic" }
 sp-blockchain = { version = "2.0.0", path = "../../primitives/blockchain" }

substrate/client/network/src/network_state.rs

@@ -22,7 +22,6 @@
 
 use libp2p::{core::ConnectedPoint, Multiaddr};
 use serde::{Deserialize, Serialize};
-use slog_derive::SerdeValue;
 use std::{collections::{HashMap, HashSet}, time::Duration};
 
 /// Returns general information about the networking.
@@ -30,7 +29,7 @@ use std::{collections::{HashMap, HashSet}, time::Duration};
 /// Meant for general diagnostic purposes.
 ///
 /// **Warning**: This API is not stable.
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, SerdeValue)]
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct NetworkState {
 	/// PeerId of the local node.

substrate/client/network/src/request_responses.rs

@@ -52,8 +52,9 @@ use libp2p::{
 };
 use std::{
 	borrow::Cow, collections::{hash_map::Entry, HashMap}, convert::TryFrom as _, io, iter,
-	pin::Pin, task::{Context, Poll}, time::{Duration, Instant},
+	pin::Pin, task::{Context, Poll}, time::Duration,
 };
+use wasm_timer::Instant;
 
 pub use libp2p::request_response::{InboundFailure, OutboundFailure, RequestId};