pallet-staking: Expose missing consts

frame/staking/src/lib.rs

@@ -1275,6 +1275,32 @@ decl_module! {
 		/// Number of eras that staked funds must remain bonded for.
 		const BondingDuration: EraIndex = T::BondingDuration::get();
 
+		/// Number of eras that slashes are deferred by, after computation. This should be less than the
+		/// bonding duration. Set to 0 if slashes should be applied immediately, without opportunity for
+		/// intervention.
+		const SlashDeferDuration: EraIndex = T::SlashDeferDuration::get();
+
+		/// The number of blocks before the end of the era from which election submissions are allowed.
+		/// Setting this to zero will disable the offchain compute and only on-chain seq-phragmen will
+		/// be used.
+		///
+		/// This is bounded by being within the last session. Hence, setting it to a value more than the
+		/// length of a session will be pointless.
+		const ElectionLookahead: T::BlockNumber = T::ElectionLookahead::get();
+
+		/// Maximum number of balancing iterations to run in the offchain submission. If set to 0,
+		/// balance_solution will not be executed at all.
+		const MaxIterations: u32 = T::MaxIterations::get();
+
+		/// The threshold of improvement that should be provided for a new solution to be accepted.
+		const MinSolutionScoreBump: Perbill = T::MinSolutionScoreBump::get();
+
+		/// The maximum number of nominator rewarded for each validator.
+		///
+		/// For each validator only the `$MaxNominatorRewardedPerValidator` biggest stakers can claim
+		/// their reward. This used to limit the i/o cost for the nominator payout.
+		const MaxNominatorRewardedPerValidator: u32 = T::MaxNominatorRewardedPerValidator::get();
+
 		type Error = Error<T>;
 
 		fn deposit_event() = default;