fixes for nightly clippy (#1618)

bridges/relays/lib-substrate-relay/src/finality/source.rs

@@ -168,7 +168,7 @@ impl<P: SubstrateFinalitySyncPipeline> SourceClient<FinalitySyncPipelineAdapter<
 					let justification = match decoded_justification {
 						Ok(j) => j,
 						Err(err) => {
-							log_error(format!("decode failed with error {:?}", err));
+							log_error(format!("decode failed with error {err:?}"));
 							continue
 						},
 					};

bridges/relays/lib-substrate-relay/src/helpers.rs

@@ -21,8 +21,8 @@ use relay_utils::metrics::{FloatJsonValueMetric, PrometheusError, StandaloneMetr
 /// Creates standalone token price metric.
 pub fn token_price_metric(token_id: &str) -> Result<FloatJsonValueMetric, PrometheusError> {
 	FloatJsonValueMetric::new(
-		format!("https://api.coingecko.com/api/v3/simple/price?ids={}&vs_currencies=btc", token_id),
-		format!("$.{}.btc", token_id),
+		format!("https://api.coingecko.com/api/v3/simple/price?ids={token_id}&vs_currencies=btc"),
+		format!("$.{token_id}.btc"),
 		format!("{}_to_base_conversion_rate", token_id.replace('-', "_")),
 		format!("Rate used to convert from {} to some BASE tokens", token_id.to_uppercase()),
 	)

bridges/relays/lib-substrate-relay/src/lib.rs

@@ -85,15 +85,15 @@ impl<AccountId> TaggedAccount<AccountId> {
 	/// Returns stringified account tag.
 	pub fn tag(&self) -> String {
 		match *self {
-			TaggedAccount::Headers { ref bridged_chain, .. } => format!("{}Headers", bridged_chain),
+			TaggedAccount::Headers { ref bridged_chain, .. } => format!("{bridged_chain}Headers"),
 			TaggedAccount::Parachains { ref bridged_chain, .. } => {
-				format!("{}Parachains", bridged_chain)
+				format!("{bridged_chain}Parachains")
 			},
 			TaggedAccount::Messages { ref bridged_chain, .. } => {
-				format!("{}Messages", bridged_chain)
+				format!("{bridged_chain}Messages")
 			},
 			TaggedAccount::MessagesPalletOwner { ref bridged_chain, .. } => {
-				format!("{}MessagesPalletOwner", bridged_chain)
+				format!("{bridged_chain}MessagesPalletOwner")
 			},
 		}
 	}

bridges/relays/lib-substrate-relay/src/on_demand/headers.rs

@@ -172,9 +172,9 @@ async fn background_task<P: SubstrateFinalitySyncPipeline>(
 
 		// submit mandatory header if some headers are missing
 		let best_finalized_source_header_at_source_fmt =
-			format!("{:?}", best_finalized_source_header_at_source);
+			format!("{best_finalized_source_header_at_source:?}");
 		let best_finalized_source_header_at_target_fmt =
-			format!("{:?}", best_finalized_source_header_at_target);
+			format!("{best_finalized_source_header_at_target:?}");
 		let required_header_number_value = *required_header_number.lock().await;
 		let mandatory_scan_range = mandatory_headers_scan_range::<P::SourceChain>(
 			best_finalized_source_header_at_source.ok(),