Add WeightInfo to all pallets with benchmarks. (#6575)

* Start adding weight info

* More weightinfo

* finish weight info

* more fixes

* inital update of node runtime

* fix the rest of the compilation

* update balances

* add docs

* fix balances tests

* Fix more tests

* Fix compile

* Fix pallet-evm tests

substrate/frame/grandpa/src/mock.rs

@@ -118,6 +118,7 @@ impl frame_system::Trait for Test {
 	type AccountData = balances::AccountData<u128>;
 	type OnNewAccount = ();
 	type OnKilledAccount = ();
+	type SystemWeightInfo = ();
 }
 
 impl<C> system::offchain::SendTransactionTypes<C> for Test
@@ -145,6 +146,7 @@ impl session::Trait for Test {
 	type SessionHandler = <TestSessionKeys as OpaqueKeys>::KeyTypeIdProviders;
 	type Keys = TestSessionKeys;
 	type DisabledValidatorsThreshold = DisabledValidatorsThreshold;
+	type WeightInfo = ();
 }
 
 impl session::historical::Trait for Test {
@@ -162,6 +164,7 @@ impl balances::Trait for Test {
 	type Event = TestEvent;
 	type ExistentialDeposit = ExistentialDeposit;
 	type AccountStore = System;
+	type WeightInfo = ();
 }
 
 parameter_types! {
@@ -172,6 +175,7 @@ impl timestamp::Trait for Test {
 	type Moment = u64;
 	type OnTimestampSet = ();
 	type MinimumPeriod = MinimumPeriod;
+	type WeightInfo = ();
 }
 
 pallet_staking_reward_curve::build! {
@@ -231,6 +235,7 @@ impl staking::Trait for Test {
 	type UnsignedPriority = StakingUnsignedPriority;
 	type MaxIterations = ();
 	type MinSolutionScoreBump = ();
+	type WeightInfo = ();
 }
 
 parameter_types! {
@@ -242,6 +247,7 @@ impl offences::Trait for Test {
 	type IdentificationTuple = session::historical::IdentificationTuple<Self>;
 	type OnOffenceHandler = Staking;
 	type WeightSoftLimit = OffencesWeightSoftLimit;
+	type WeightInfo = ();
 }
 
 impl Trait for Test {