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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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substrate/frame/contracts/mock-network/src/relay_chain.rs
+6 -3
View File
@@ -29,12 +29,14 @@ use sp_runtime::traits::IdentityLookup;
use polkadot_parachain_primitives::primitives::Id as ParaId;
use polkadot_runtime_parachains::{configuration, origin, shared};
use xcm::latest::prelude::*;
#[allow(deprecated)]
use xcm_builder::CurrencyAdapter as XcmCurrencyAdapter;
use xcm_builder::{
AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowSubscriptionsFrom,
AllowTopLevelPaidExecutionFrom, ChildParachainAsNative, ChildParachainConvertsVia,
ChildSystemParachainAsSuperuser, CurrencyAdapter as XcmCurrencyAdapter, DescribeAllTerminal,
DescribeFamily, FixedRateOfFungible, FixedWeightBounds, HashedDescription, IsConcrete,
SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, WithComputedOrigin,
ChildSystemParachainAsSuperuser, DescribeAllTerminal, DescribeFamily, FixedRateOfFungible,
FixedWeightBounds, HashedDescription, IsConcrete, SignedAccountId32AsNative,
SignedToAccountId32, SovereignSignedViaLocation, WithComputedOrigin,
};
use xcm_executor::{Config, XcmExecutor};
@@ -116,6 +118,7 @@ pub type SovereignAccountOf = (
ChildParachainConvertsVia<ParaId, AccountId>,
);
#[allow(deprecated)]
pub type LocalBalancesTransactor =
XcmCurrencyAdapter<Balances, IsConcrete<TokenLocation>, SovereignAccountOf, AccountId, ()>;