Use associated constant for max (#3375)

polkadot/bridges/bin/rialto/runtime/src/exchange.rs

@@ -250,7 +250,7 @@ mod tests {
 		assert_eq!(
 			EthTransaction::parse(
 				&prepare_ethereum_transaction(&ferdie(), |tx| {
-					tx.value = sp_core::U256::from(u128::max_value()) + sp_core::U256::from(1);
+					tx.value = sp_core::U256::from(u128::MAX) + sp_core::U256::from(1);
 				})
 				.0
 			),

polkadot/bridges/bin/rialto/runtime/src/kovan.rs

@@ -41,13 +41,13 @@ const FINALIZED_HEADERS_TO_KEEP: u64 = 20_000;
 /// Aura engine configuration for Kovan chain.
 pub fn kovan_aura_configuration() -> AuraConfiguration {
 	AuraConfiguration {
-		empty_steps_transition: u64::max_value(),
+		empty_steps_transition: u64::MAX,
 		strict_empty_steps_transition: 0,
 		validate_step_transition: 0x16e360,
 		validate_score_transition: 0x41a3c4,
-		two_thirds_majority_transition: u64::max_value(),
+		two_thirds_majority_transition: u64::MAX,
 		min_gas_limit: 0x1388.into(),
-		max_gas_limit: U256::max_value(),
+		max_gas_limit: U256::MAX,
 		maximum_extra_data_size: 0x20,
 	}
 }

polkadot/bridges/bin/rialto/runtime/src/rialto_poa.rs

@@ -46,9 +46,9 @@ pub fn aura_configuration() -> AuraConfiguration {
 		strict_empty_steps_transition: 0,
 		validate_step_transition: 0,
 		validate_score_transition: 0,
-		two_thirds_majority_transition: u64::max_value(),
+		two_thirds_majority_transition: u64::MAX,
 		min_gas_limit: 0x1388.into(),
-		max_gas_limit: U256::max_value(),
+		max_gas_limit: U256::MAX,
 		maximum_extra_data_size: 0x20,
 	}
 }