Allow fee calculation to happen off-chain (#6076)

* Emit a PaymentParameters event once per block

This contains per-block paramaters need to calculate
fees off-chain.

* Add WeightToFee trait

* Add documentation to polynomial types

* Ignore pseudo code snippet for doc tests

* Use `Mul` implementation of Perbill

* Add tests for WeightToFeePolynomial

* Revert "Emit a PaymentParameters event once per block"

This reverts commit 6c4763baff3d8179676a3c1660fe7063fd56a8ca.

Co-authored-by: Gavin Wood <gavin@parity.io>
This commit is contained in:
Alexander Theißen
2020-05-21 12:16:04 +02:00
committed by GitHub
parent e04f237152
commit 9dd21b1eed
14 changed files with 241 additions and 79 deletions
@@ -21,14 +21,14 @@
use sp_runtime::{
Perbill,
traits::{ConvertInto, IdentityLookup},
traits::IdentityLookup,
testing::Header,
};
use sp_core::H256;
use sp_io;
use frame_support::{impl_outer_origin, parameter_types};
use frame_support::traits::Get;
use frame_support::weights::{Weight, DispatchInfo};
use frame_support::weights::{Weight, DispatchInfo, IdentityFee};
use std::cell::RefCell;
use crate::{GenesisConfig, Module, Trait, decl_tests, tests::CallWithDispatchInfo};
@@ -87,7 +87,7 @@ impl pallet_transaction_payment::Trait for Test {
type Currency = Module<Test>;
type OnTransactionPayment = ();
type TransactionByteFee = TransactionByteFee;
type WeightToFee = ConvertInto;
type WeightToFee = IdentityFee<u64>;
type FeeMultiplierUpdate = ();
}
impl Trait for Test {