git.delta.rocks / unique-network / refs/commits / 9e3831c3a333

18	traits::{Contains, Get, fungibles},18	traits::{Contains, Get, fungibles},
19	parameter_types,19	parameter_types,
20};20};
21use sp_runtime::traits::{Zero, Convert};21use sp_runtime::traits::Convert;
22use xcm::v1::{Junction::*, MultiLocation, Junctions::*};22use xcm::v1::{Junction::*, MultiLocation, Junctions::*};
23use xcm::latest::MultiAsset;23use xcm::latest::MultiAsset;
24use xcm_builder::{FungiblesAdapter, ConvertedConcreteAssetId};24use xcm_builder::{FungiblesAdapter, ConvertedConcreteAssetId};
38	pub CheckingAccount: AccountId = PolkadotXcm::check_account();38	pub CheckingAccount: AccountId = PolkadotXcm::check_account();
39}39}
4040
41/// Allow checking in assets that have issuance > 0.41/// No teleports are allowed
42pub struct NonZeroIssuance<AccountId, ForeignAssets>(PhantomData<(AccountId, ForeignAssets)>);42pub struct NoTeleports<AccountId, ForeignAssets>(PhantomData<(AccountId, ForeignAssets)>);
4343
44impl<AccountId, ForeignAssets> Contains<<ForeignAssets as fungibles::Inspect<AccountId>>::AssetId>44impl<AccountId, ForeignAssets> Contains<<ForeignAssets as fungibles::Inspect<AccountId>>::AssetId>
45	for NonZeroIssuance<AccountId, ForeignAssets>45	for NoTeleports<AccountId, ForeignAssets>
46where46where
47	ForeignAssets: fungibles::Inspect<AccountId>,47	ForeignAssets: fungibles::Inspect<AccountId>,
48{48{
49	fn contains(id: &<ForeignAssets as fungibles::Inspect<AccountId>>::AssetId) -> bool {49	fn contains(_id: &<ForeignAssets as fungibles::Inspect<AccountId>>::AssetId) -> bool {
50		!ForeignAssets::total_issuance(*id).is_zero()50		false
51	}51	}
52}52}
5353
132	LocationToAccountId,132	LocationToAccountId,
133	// Our chain's account ID type (we can't get away without mentioning it explicitly):133	// Our chain's account ID type (we can't get away without mentioning it explicitly):
134	AccountId,134	AccountId,
135	// We only want to allow teleports of known assets. We use non-zero issuance as an indication135	// No teleports are allowed
136	// that this asset is known.
137	NonZeroIssuance<AccountId, ForeignAssets>,136	NoTeleports<AccountId, ForeignAssets>,
138	// The account to use for tracking teleports.137	// The account to use for tracking teleports.
139	CheckingAccount,138	CheckingAccount,
140>;139>;