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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/assets/asset-hub-westend/src/xcm_config.rs
+11 -9
View File
@@ -41,17 +41,18 @@ use polkadot_parachain_primitives::primitives::Sibling;
use polkadot_runtime_common::xcm_sender::ExponentialPrice;
use sp_runtime::traits::{AccountIdConversion, ConvertInto};
use xcm::latest::prelude::*;
#[allow(deprecated)]
use xcm_builder::CurrencyAdapter;
use xcm_builder::{
AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowKnownQueryResponses,
AllowSubscriptionsFrom, AllowTopLevelPaidExecutionFrom, CurrencyAdapter,
DenyReserveTransferToRelayChain, DenyThenTry, DescribeFamily, DescribePalletTerminal,
EnsureXcmOrigin, FungiblesAdapter, GlobalConsensusParachainConvertsFor, HashedDescription,
IsConcrete, LocalMint, NetworkExportTableItem, NoChecking, ParentAsSuperuser, ParentIsPreset,
RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,
SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, StartsWith,
StartsWithExplicitGlobalConsensus, TakeWeightCredit, TrailingSetTopicAsId, UsingComponents,
WeightInfoBounds, WithComputedOrigin, WithUniqueTopic, XcmFeeManagerFromComponents,
XcmFeeToAccount,
AllowSubscriptionsFrom, AllowTopLevelPaidExecutionFrom, DenyReserveTransferToRelayChain,
DenyThenTry, DescribeFamily, DescribePalletTerminal, EnsureXcmOrigin, FungiblesAdapter,
GlobalConsensusParachainConvertsFor, HashedDescription, IsConcrete, LocalMint,
NetworkExportTableItem, NoChecking, ParentAsSuperuser, ParentIsPreset, RelayChainAsNative,
SiblingParachainAsNative, SiblingParachainConvertsVia, SignedAccountId32AsNative,
SignedToAccountId32, SovereignSignedViaLocation, StartsWith, StartsWithExplicitGlobalConsensus,
TakeWeightCredit, TrailingSetTopicAsId, UsingComponents, WeightInfoBounds, WithComputedOrigin,
WithUniqueTopic, XcmFeeManagerFromComponents, XcmFeeToAccount,
};
use xcm_executor::{traits::WithOriginFilter, XcmExecutor};
@@ -95,6 +96,7 @@ pub type LocationToAccountId = (
);
/// Means for transacting the native currency on this chain.
#[allow(deprecated)]
pub type CurrencyTransactor = CurrencyAdapter<
// Use this currency:
Balances,