refactor(mainnet): monetary config (#440)

* refactor(mainnet): pallet_balances & fee constants

* test(mainnet): add pallet_balances tests

* refactor(mainnet): add pallet_transaction_payment to monetary config

* test(mainnet): add transaction_payment tests

* fix(mainnet): rebase fixes

* fix(monetary): don't burn dust

* refactor(monetary): use treasury account instead of sudo

remove extra clone

* refactor(monetary): use existential_deposit instead of UNIT in dust test

* refactor(monetary): Don't use DOLLARS & CENTS is defined in terms of UNITS

* fix(monetary): missing doc for fn deposit

* docs(monetary): remove src from docs

* docs(monetary): update TransactionByteFee comments

* refactor(monetary): reorg tests into modules

* style(monetary): remove confussing comment

* style(monetar): remove prefixes from tests

changes after rebase

more changes after reabse

Author: al3mart

runtime/mainnet/src/config/mod.rs

@@ -6,7 +6,7 @@ pub mod governance;
 pub(crate) mod monetary;
 /// Proxy.
 pub(crate) mod proxy;
-/// System functionality.
+/// System.
 pub mod system;
 // Revive.
 mod revive;

runtime/mainnet/src/config/monetary.rs

@@ -240,13 +240,6 @@ mod tests {
 
 	type OnChargeTransaction = <Runtime as pallet_transaction_payment::Config>::OnChargeTransaction;
 
-	// fn new_test_ext() -> sp_io::TestExternalities {
-	// 	let storage = frame_system::GenesisConfig::<Runtime>::default().build_storage().unwrap();
-	// 	let mut ext = sp_io::TestExternalities::new(storage);
-	// 	ext.execute_with(|| System::set_block_number(1));
-	// 	ext
-	// }
-
 	pub fn new_test_ext() -> sp_io::TestExternalities {
 		let initial_balance = 100_000_000 * UNIT;
 		let mut t = frame_system::GenesisConfig::<Runtime>::default().build_storage().unwrap();