Companion to Split SolutionImprovementThresholds into two types (#5324)

* Splitting `SolutionImprovementThreshold` in 2.
One for Signed phase, and one for Unsgined.

* Adding missing imports

* Removing `GetDefault`, renaming trait

* update lockfile for {"substrate"}

Co-authored-by: parity-processbot <>

polkadot/runtime/westend/src/lib.rs

@@ -350,7 +350,7 @@ parameter_types! {
 	pub const SignedDepositByte: Balance = deposit(0, 10) / 1024;
 	// Each good submission will get 1 WND as reward
 	pub SignedRewardBase: Balance = 1 * UNITS;
-	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational(5u32, 10_000);
+	pub BetterUnsignedThreshold: Perbill = Perbill::from_rational(5u32, 10_000);
 
 	// 1 hour session, 15 minutes unsigned phase, 4 offchain executions.
 	pub OffchainRepeat: BlockNumber = UnsignedPhase::get() / 4;
@@ -394,7 +394,8 @@ impl pallet_election_provider_multi_phase::Config for Runtime {
 	type SignedMaxWeight = Self::MinerMaxWeight;
 	type SlashHandler = (); // burn slashes
 	type RewardHandler = (); // nothing to do upon rewards
-	type SolutionImprovementThreshold = SolutionImprovementThreshold;
+	type BetterUnsignedThreshold = BetterUnsignedThreshold;
+	type BetterSignedThreshold = ();
 	type MinerMaxWeight = OffchainSolutionWeightLimit; // For now use the one from staking.
 	type MinerMaxLength = OffchainSolutionLengthLimit;
 	type OffchainRepeat = OffchainRepeat;