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Add FungibleAdapter (#2684)

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In the move from the old `Currency` traits to the new `fungible/s`
family of traits, we already had the `FungiblesAdapter` and
`NonFungiblesAdapter` for multiple fungible and non fungible assets
respectively. However, for handling only one fungible asset, we were
missing a `FungibleAdapter`, and so used the old `CurrencyAdapter`
instead. This PR aims to fill in that gap, and provide the new adapter
for more updated examples.

I marked the old `CurrencyAdapter` as deprecated as part of this PR, and
I'll change it to the new `FungibleAdapter` in a following PR.
The two stages are separated so as to not bloat this PR with some name
fixes in tests.

---------

Co-authored-by: command-bot <>
This commit is contained in:
Francisco Aguirre
2023-12-14 15:34:35 +01:00
committed by GitHub
parent 3e4e8c0bd1
commit 10a91f821e
25 changed files with 479 additions and 93 deletions
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cumulus/parachains/runtimes/testing/penpal/src/xcm_config.rs
+8 -6
View File
@@ -44,15 +44,16 @@ use polkadot_parachain_primitives::primitives::Sibling;
use polkadot_runtime_common::impls::ToAuthor;
use sp_runtime::traits::Zero;
use xcm::latest::prelude::*;
#[allow(deprecated)]
use xcm_builder::CurrencyAdapter;
use xcm_builder::{
AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowKnownQueryResponses,
AllowSubscriptionsFrom, AllowTopLevelPaidExecutionFrom, AsPrefixedGeneralIndex,
ConvertedConcreteId, CurrencyAdapter, DenyReserveTransferToRelayChain, DenyThenTry,
EnsureXcmOrigin, FixedWeightBounds, FungiblesAdapter, IsConcrete, LocalMint, NativeAsset,
ParentAsSuperuser, ParentIsPreset, RelayChainAsNative, SiblingParachainAsNative,
SiblingParachainConvertsVia, SignedAccountId32AsNative, SignedToAccountId32,
SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId, UsingComponents,
WithComputedOrigin, WithUniqueTopic,
ConvertedConcreteId, DenyReserveTransferToRelayChain, DenyThenTry, EnsureXcmOrigin,
FixedWeightBounds, FungiblesAdapter, IsConcrete, LocalMint, NativeAsset, ParentAsSuperuser,
ParentIsPreset, RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,
SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
TrailingSetTopicAsId, UsingComponents, WithComputedOrigin, WithUniqueTopic,
};
use xcm_executor::{traits::JustTry, XcmExecutor};
@@ -76,6 +77,7 @@ pub type LocationToAccountId = (
);
/// Means for transacting assets on this chain.
#[allow(deprecated)]
pub type CurrencyTransactor = CurrencyAdapter<
// Use this currency:
Balances,