mirror of https://github.com/pezkuwichain/pezkuwi-subxt.git synced 2026-04-29 06:47:57 +00:00

Files

T

gupnik 60c77a2e9a Adds syntax for marking calls feeless (#1926 )

Fixes https://github.com/paritytech/polkadot-sdk/issues/1725

This PR adds the following changes:
1. An attribute `pallet::feeless_if` that can be optionally attached to
a call like so:
```rust
#[pallet::feeless_if(|_origin: &OriginFor<T>, something: &u32| -> bool {
	*something == 0
})]
pub fn do_something(origin: OriginFor<T>, something: u32) -> DispatchResult {
     ....
}
```
The closure passed accepts references to arguments as specified in the
call fn. It returns a boolean that denotes the conditions required for
this call to be "feeless".

2. A signed extension `SkipCheckIfFeeless<T: SignedExtension>` that
wraps a transaction payment processor such as
`pallet_transaction_payment::ChargeTransactionPayment`. It checks for
all calls annotated with `pallet::feeless_if` to see if the conditions
are met. If so, the wrapped signed extension is not called, essentially
making the call feeless.

In order to use this, you can simply replace your existing signed
extension that manages transaction payment like so:
```diff
- pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
+ pallet_skip_feeless_payment::SkipCheckIfFeeless<
+	Runtime,
+	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
+ >,
```

### Todo
- [x] Tests
- [x] Docs
- [x] Prdoc

---------

Co-authored-by: Nikhil Gupta <>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>
Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>

2023-11-13 19:14:41 +05:30

asset-conversion-tx-payment

Ensure correct variant count in Runtime[Hold/Freeze]Reason (#1900 )

2023-10-24 12:01:04 +02:00

asset-tx-payment

serde_json: bumped to 1.0.108 (#2168 )

2023-11-06 14:00:06 +02:00

rpc

Fix build profiles (#1229 )

2023-08-29 13:39:41 +02:00

skip-feeless-payment

Adds syntax for marking calls feeless (#1926 )

2023-11-13 19:14:41 +05:30

src

feat: FRAME umbrella crate. (#1337 )

2023-10-27 11:38:16 +02:00

Cargo.toml

serde_json: bumped to 1.0.108 (#2168 )

2023-11-06 14:00:06 +02:00

README.md

Migrate pallet-transaction-payment to new pallet attribute macro (#9087 )

2021-06-25 03:23:36 +00:00

README.md

Transaction Payment Pallet

This pallet provides the basic logic needed to pay the absolute minimum amount needed for a transaction to be included. This includes:

weight fee: A fee proportional to amount of weight a transaction consumes.
length fee: A fee proportional to the encoded length of the transaction.
tip: An optional tip. Tip increases the priority of the transaction, giving it a higher chance to be included by the transaction queue.

Additionally, this pallet allows one to configure:

The mapping between one unit of weight to one unit of fee via [Config::WeightToFee].
A means of updating the fee for the next block, via defining a multiplier, based on the final state of the chain at the end of the previous block. This can be configured via [Config::FeeMultiplierUpdate]

License: Apache-2.0