fix: fee calc

paritytech/substrate#11415

runtimes/common/src/fees.rs

@@ -20,6 +20,7 @@ use frame_support::{
 	traits::{Currency, Get, Imbalance, OnUnbalanced},
 	weights::{DispatchClass, WeightToFeeCoefficient, WeightToFeeCoefficients, WeightToFeePolynomial},
 };
+use frame_support::weights::WeightToFee as WeightToFeeT;
 use pallet_balances::WeightInfo;
 use pallet_transaction_payment::OnChargeTransaction;
 use smallvec::smallvec;
@@ -102,7 +103,7 @@ where
 
 		// TODO: transfer_keep_alive is 288 byte long?
 		let tx_len: u64 = 288;
-		let byte_fee: Balance = <R as pallet_transaction_payment::Config>::LengthToFee::calc(&tx_len).into();
+		let byte_fee: Balance = <R as pallet_transaction_payment::Config>::LengthToFee::weight_to_fee(&tx_len).into();
 		let base_weight: Balance = <R as frame_system::Config>::BlockWeights::get()
 			.get(DispatchClass::Normal)
 			.base_extrinsic