pezkuwichain/pezkuwi-subxt
1
0
Fork 0
mirror of https://github.com/pezkuwichain/pezkuwi-subxt.git synced 2026-05-30 23:21:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

Parachains should charge for proof size weight (#2326)

Browse Source 
* Generalize trait requirement

Use the trait directly instead of something that will have a blanket
implementation for it.

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Charge for proof size weight

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix doc comments

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Fix docs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update lock file

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix imports

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Docs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix imports

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
This commit is contained in:
Oliver Tale-Yazdi
2023-03-17 17:25:13 +01:00
committed by GitHub
parent 1782170e08
commit 91b3512427
16 changed files with 509 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files
parachains/runtimes/bridge-hubs/bridge-hub-polkadot/src/constants.rs
+41 -5
View File
@@ -32,9 +32,12 @@ pub mod currency {
/// Fee-related.
pub mod fee {
use frame_support::weights::{
constants::ExtrinsicBaseWeight, WeightToFeeCoefficient, WeightToFeeCoefficients,
WeightToFeePolynomial,
use frame_support::{
pallet_prelude::Weight,
weights::{
constants::ExtrinsicBaseWeight, FeePolynomial, WeightToFeeCoefficient,
WeightToFeeCoefficients, WeightToFeePolynomial,
},
};
use polkadot_core_primitives::Balance;
use smallvec::smallvec;
@@ -51,13 +54,46 @@ pub mod fee {
/// - Setting it to `0` will essentially disable the weight fee.
/// - Setting it to `1` will cause the literal `#[weight = x]` values to be charged.
pub struct WeightToFee;
impl WeightToFeePolynomial for WeightToFee {
impl frame_support::weights::WeightToFee for WeightToFee {
type Balance = Balance;
fn weight_to_fee(weight: &Weight) -> Self::Balance {
let time_poly: FeePolynomial<Balance> = RefTimeToFee::polynomial().into();
let proof_poly: FeePolynomial<Balance> = ProofSizeToFee::polynomial().into();
// Take the maximum instead of the sum to charge by the more scarce resource.
time_poly.eval(weight.ref_time()).max(proof_poly.eval(weight.proof_size()))
}
}
/// Maps the reference time component of `Weight` to a fee.
pub struct RefTimeToFee;
impl WeightToFeePolynomial for RefTimeToFee {
type Balance = Balance;
fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
// in Polkadot, extrinsic base weight (smallest non-zero weight) is mapped to 1/10 CENT:
// in BridgeHub, we map to 1/10 of that, or 1/100 CENT
// in Bridge Hub, we map to 1/10 of that, or 1/100 CENT
let p = super::currency::CENTS;
let q = 100 * Balance::from(ExtrinsicBaseWeight::get().ref_time());
smallvec![WeightToFeeCoefficient {
degree: 1,
negative: false,
coeff_frac: Perbill::from_rational(p % q, q),
coeff_integer: p / q,
}]
}
}
/// Maps the proof size component of `Weight` to a fee.
pub struct ProofSizeToFee;
impl WeightToFeePolynomial for ProofSizeToFee {
type Balance = Balance;
fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
// Map 10kb proof to 1 CENT.
let p = super::currency::CENTS;
let q = 10_000;
smallvec![WeightToFeeCoefficient {
degree: 1,
negative: false,