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pezkuwi-subxt/substrate/frame/transaction-payment/asset-conversion-tx-payment/README.md
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georgepisaltu bbd51ce867 Revert "FRAME: Create TransactionExtension as a replacement for SignedExtension (#2280)" (#3665)
This PR reverts #2280 which introduced `TransactionExtension` to replace
`SignedExtension`.

As a result of the discussion
[here](https://github.com/paritytech/polkadot-sdk/pull/3623#issuecomment-1986789700),
the changes will be reverted for now with plans to reintroduce the
concept in the future.

---------

Signed-off-by: georgepisaltu <george.pisaltu@parity.io>
2024-03-13 14:10:59 +00:00

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# pallet-asset-conversion-tx-payment
## Asset Conversion Transaction Payment Pallet
This pallet allows runtimes that include it to pay for transactions in assets other than the
native token of the chain.
### Overview
It does this by extending transactions to include an optional `AssetId` that specifies the asset
to be used for payment (defaulting to the native token on `None`). It expects an
[`OnChargeAssetTransaction`] implementation analogously to [`pallet-transaction-payment`]. The
included [`AssetConversionAdapter`] (implementing [`OnChargeAssetTransaction`]) determines the fee
amount by converting the fee calculated by [`pallet-transaction-payment`] into the desired
asset.
### Integration
This pallet wraps FRAME's transaction payment pallet and functions as a replacement. This means
you should include both pallets in your `construct_runtime` macro, but only include this
pallet's [`SignedExtension`] ([`ChargeAssetTxPayment`]).
License: Apache-2.0