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XCM: Properly set the pricing for the DMP router (#6843)

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* Properly set the pricing for the DMP router

* Publicize price types

* Use FixedU128 instead of Percent

* Add sp-arithmetic as a dependency for rococo runtime

* Add sp-arithmetic as a dependency to all runtimes

* Remove duplicate import

* Add missing import

* Fix tests

* Create an appropriate QueueDownwardMessageError variant

* Recalculate delivery fee factor based on past queue sizes

* Remove unused error variant

* Fixes

* Fixes

* Remove unused imports

* Rewrite fee factor update mechanism

* Remove unused imports

* Fixes

* Update runtime/parachains/src/dmp.rs

Co-authored-by: Squirrel <gilescope@gmail.com>

* Make DeliveryFeeFactor be a StorageMap keyed on ParaIds

* Fixes

* introduce limit for fee increase on dmp queue

* add message_size based fee factor to increment_fee_factor

* change message_size fee rate to correct value

* fix div by 0 error

* bind limit to variable

* fix message_size_factor and add DeliveryFeeFactor test

* add test for ExponentialPrice implementation

* make test formula based

* make delivery fee factor test formula based

* add max value test for DeliveryFeeFactor and move limit to config

* change threshold back to dynamic value and fix tests

* fmt

* suggested changes and fmt

* small stylistic change

* fmt

* change to tokenlocation

* small fixes

* fmt

* remove sp_arithmetic dependency

* Update runtime/parachains/src/dmp.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

---------

Co-authored-by: Squirrel <gilescope@gmail.com>
Co-authored-by: Just van Stam <just.van.stam@gmail.com>
Co-authored-by: Just van Stam <vstam1@users.noreply.github.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
This commit is contained in:
Keith Yeung
2023-04-20 19:04:33 +08:00
committed by GitHub
parent b3e2153f2f
commit 023d459857
18 changed files with 351 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/xcm/pallet-xcm/src/lib.rs
+5 -1
View File
@@ -1146,7 +1146,10 @@ impl<T: Config> Pallet<T> {
BuyExecution { fees, weight_limit },
DepositAsset { assets: Wild(AllCounted(max_assets)), beneficiary },
]);
let mut message = Xcm(vec![TransferReserveAsset { assets, dest, xcm }]);
let mut message = Xcm(vec![
SetFeesMode { jit_withdraw: true },
TransferReserveAsset { assets, dest, xcm },
]);
let weight =
T::Weigher::weight(&mut message).map_err(|()| Error::<T>::UnweighableMessage)?;
let hash = message.using_encoded(sp_io::hashing::blake2_256);
@@ -1205,6 +1208,7 @@ impl<T: Config> Pallet<T> {
]);
let mut message = Xcm(vec![
WithdrawAsset(assets),
SetFeesMode { jit_withdraw: true },
InitiateTeleport { assets: Wild(AllCounted(max_assets)), dest, xcm },
]);
let weight =