Migrate pallet-balances to pallet attribute macro (#7936)

* Initial migration of balances pallet

* Fix some errors

* Remove unused imports

* Formatting and removing some todos

* Delete Subtrait

* Add genesis builder impls for tests

* Fix GenesisConfig impl

* Make set_balance visible to tests, rename RawEvent to Event

* Fix tests with Event rename etc.

* More test RawEvent renames

* Even more RawEvent renames

* Rename module to pallet in comments

* Add PalletInfo impl to avid storage collision, fixes tests

* Apply review suggestion: remove trailing a

Co-authored-by: David <dvdplm@gmail.com>

* BalancesEvent alias

* Remove BalancesEvent alias

* Review suggestion: remove redundant comment

* Apply review suggestion: make vis super

* Fis doc links

* Add RawEvent alias

* Add missing Instance parameter to deprecated RawEvent alias

* Fix RawEvent deprecation warnings

Co-authored-by: David <dvdplm@gmail.com>

substrate/bin/node/executor/tests/basic.rs

@@ -17,7 +17,7 @@
 
 use codec::{Encode, Decode, Joiner};
 use frame_support::{
-	StorageValue, StorageMap,
+	StorageMap,
 	traits::Currency,
 	weights::{GetDispatchInfo, DispatchInfo, DispatchClass},
 };
@@ -336,7 +336,7 @@ fn full_native_block_import_works() {
 			},
 			EventRecord {
 				phase: Phase::ApplyExtrinsic(1),
-				event: Event::pallet_balances(pallet_balances::RawEvent::Transfer(
+				event: Event::pallet_balances(pallet_balances::Event::Transfer(
 					alice().into(),
 					bob().into(),
 					69 * DOLLARS,
@@ -389,7 +389,7 @@ fn full_native_block_import_works() {
 			EventRecord {
 				phase: Phase::ApplyExtrinsic(1),
 				event: Event::pallet_balances(
-					pallet_balances::RawEvent::Transfer(
+					pallet_balances::Event::Transfer(
 						bob().into(),
 						alice().into(),
 						5 * DOLLARS,
@@ -412,7 +412,7 @@ fn full_native_block_import_works() {
 			EventRecord {
 				phase: Phase::ApplyExtrinsic(2),
 				event: Event::pallet_balances(
-					pallet_balances::RawEvent::Transfer(
+					pallet_balances::Event::Transfer(
 						alice().into(),
 						bob().into(),
 						15 * DOLLARS,

substrate/bin/node/executor/tests/fees.rs

@@ -17,7 +17,6 @@
 
 use codec::{Encode, Joiner};
 use frame_support::{
-	StorageValue,
 	traits::Currency,
 	weights::{GetDispatchInfo, constants::ExtrinsicBaseWeight, IdentityFee, WeightToFeePolynomial},
 };