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195 changes: 98 additions & 97 deletions
195
polkadot/xcm/docs/src/cookbook/relay_token_transactor/parachain/xcm_config.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,147 +1,148 @@ | ||
| //! # XCM Configuration | ||
|
|
||
| use frame::runtime::prelude::*; | ||
| use frame::traits::{Nothing, Everything}; | ||
| use frame::deps::frame_system; | ||
| use xcm_builder::{ | ||
| IsConcrete, CurrencyAdapter, HashedDescription, DescribeFamily, DescribeAllTerminal, | ||
| EnsureXcmOrigin, SignedToAccountId32, AccountId32Aliases, | ||
| use frame::{ | ||
| deps::frame_system, | ||
| runtime::prelude::*, | ||
| traits::{Everything, Nothing}, | ||
| }; | ||
| use xcm::v3::prelude::*; | ||
| use xcm_builder::{ | ||
| AccountId32Aliases, CurrencyAdapter, DescribeAllTerminal, DescribeFamily, EnsureXcmOrigin, | ||
| HashedDescription, IsConcrete, SignedToAccountId32, | ||
| }; | ||
| use xcm_executor::XcmExecutor; | ||
|
|
||
| use super::{ | ||
| Runtime, Balances, AccountId, RuntimeCall, RuntimeOrigin, RuntimeEvent, MessageQueue, | ||
| }; | ||
| use super::{AccountId, Balances, MessageQueue, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin}; | ||
|
|
||
| parameter_types! { | ||
| pub RelayLocation: MultiLocation = MultiLocation::parent(); | ||
| pub ThisNetwork: NetworkId = NetworkId::Polkadot; | ||
| pub RelayLocation: MultiLocation = MultiLocation::parent(); | ||
| pub ThisNetwork: NetworkId = NetworkId::Polkadot; | ||
| } | ||
|
|
||
| pub type LocationToAccountId = ( | ||
| HashedDescription<AccountId, DescribeFamily<DescribeAllTerminal>>, | ||
| AccountId32Aliases<ThisNetwork, AccountId>, | ||
| HashedDescription<AccountId, DescribeFamily<DescribeAllTerminal>>, | ||
| AccountId32Aliases<ThisNetwork, AccountId>, | ||
| ); | ||
|
|
||
| #[docify::export] | ||
| mod asset_transactor { | ||
| use super::*; | ||
|
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| /// AssetTransactor for handling the relay chain token | ||
| pub type CurrencyTransactor = CurrencyAdapter< | ||
| // Use this Currency implementation | ||
| Balances, | ||
| // Use this transactor for dealing with the relay chain token | ||
| IsConcrete<RelayLocation>, | ||
| // How to convert an XCM MultiLocation into a local account id | ||
| LocationToAccountId, | ||
| // The account id type, needed because Currency is generic over it | ||
| AccountId, | ||
| // Not tracking teleports | ||
| (), | ||
| >; | ||
|
|
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| /// All asset transactors, in this case only one | ||
| pub type AssetTransactor = CurrencyTransactor; | ||
| use super::*; | ||
|
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| /// AssetTransactor for handling the relay chain token | ||
| pub type CurrencyTransactor = CurrencyAdapter< | ||
| // Use this Currency implementation | ||
| Balances, | ||
| // Use this transactor for dealing with the relay chain token | ||
| IsConcrete<RelayLocation>, | ||
| // How to convert an XCM MultiLocation into a local account id | ||
| LocationToAccountId, | ||
| // The account id type, needed because Currency is generic over it | ||
| AccountId, | ||
| // Not tracking teleports | ||
| (), | ||
| >; | ||
|
|
||
| /// All asset transactors, in this case only one | ||
| pub type AssetTransactor = CurrencyTransactor; | ||
| } | ||
|
|
||
| #[docify::export] | ||
| mod is_reserve { | ||
| use super::*; | ||
| use super::*; | ||
|
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||
| parameter_types! { | ||
| pub RelayTokenForRelay: (MultiAssetFilter, MultiLocation) = | ||
| (Wild(AllOf { id: Concrete(Parent.into()), fun: WildFungible }), Parent.into()); | ||
| } | ||
| parameter_types! { | ||
| pub RelayTokenForRelay: (MultiAssetFilter, MultiLocation) = | ||
| (Wild(AllOf { id: Concrete(Parent.into()), fun: WildFungible }), Parent.into()); | ||
| } | ||
|
|
||
| /// Put it all together | ||
| pub type IsReserve = xcm_builder::Case<RelayTokenForRelay>; | ||
| /// Put it all together | ||
| pub type IsReserve = xcm_builder::Case<RelayTokenForRelay>; | ||
| } | ||
|
|
||
| mod weigher { | ||
| use super::*; | ||
| use xcm_builder::FixedWeightBounds; | ||
| use super::*; | ||
| use xcm_builder::FixedWeightBounds; | ||
|
|
||
| parameter_types! { | ||
| pub const WeightPerInstruction: Weight = Weight::from_parts(1, 1); | ||
| pub const MaxInstructions: u32 = 100; | ||
| } | ||
| parameter_types! { | ||
| pub const WeightPerInstruction: Weight = Weight::from_parts(1, 1); | ||
| pub const MaxInstructions: u32 = 100; | ||
| } | ||
|
|
||
| pub type Weigher = FixedWeightBounds<WeightPerInstruction, RuntimeCall, MaxInstructions>; | ||
| pub type Weigher = FixedWeightBounds<WeightPerInstruction, RuntimeCall, MaxInstructions>; | ||
| } | ||
|
|
||
| parameter_types! { | ||
| pub UniversalLocation: InteriorMultiLocation = X2(GlobalConsensus(NetworkId::Polkadot), Parachain(2222)); | ||
| pub UniversalLocation: InteriorMultiLocation = X2(GlobalConsensus(NetworkId::Polkadot), Parachain(2222)); | ||
| } | ||
|
|
||
| pub struct XcmConfig; | ||
| impl xcm_executor::Config for XcmConfig { | ||
| type RuntimeCall = RuntimeCall; | ||
| type XcmSender = (); | ||
| type AssetTransactor = asset_transactor::AssetTransactor; | ||
| type OriginConverter = (); | ||
| type IsReserve = is_reserve::IsReserve; | ||
| type IsTeleporter = (); | ||
| type UniversalLocation = UniversalLocation; | ||
| // This is not safe, you should use `xcm_builder::AllowTopLevelPaidExecutionFrom<T>` in a production chain | ||
| type Barrier = xcm_builder::AllowUnpaidExecutionFrom<Everything>; | ||
| type Weigher = weigher::Weigher; | ||
| type Trader = (); | ||
| type ResponseHandler = (); | ||
| type AssetTrap = (); | ||
| type AssetLocker = (); | ||
| type AssetExchanger = (); | ||
| type AssetClaims = (); | ||
| type SubscriptionService = (); | ||
| type PalletInstancesInfo = (); | ||
| type FeeManager = (); | ||
| type MaxAssetsIntoHolding = frame::traits::ConstU32<1>; | ||
| type MessageExporter = (); | ||
| type UniversalAliases = Nothing; | ||
| type CallDispatcher = RuntimeCall; | ||
| type SafeCallFilter = Everything; | ||
| type Aliasers = Nothing; | ||
| type RuntimeCall = RuntimeCall; | ||
| type XcmSender = (); | ||
| type AssetTransactor = asset_transactor::AssetTransactor; | ||
| type OriginConverter = (); | ||
| type IsReserve = is_reserve::IsReserve; | ||
| type IsTeleporter = (); | ||
| type UniversalLocation = UniversalLocation; | ||
| // This is not safe, you should use `xcm_builder::AllowTopLevelPaidExecutionFrom<T>` in a | ||
| // production chain | ||
| type Barrier = xcm_builder::AllowUnpaidExecutionFrom<Everything>; | ||
| type Weigher = weigher::Weigher; | ||
| type Trader = (); | ||
| type ResponseHandler = (); | ||
| type AssetTrap = (); | ||
| type AssetLocker = (); | ||
| type AssetExchanger = (); | ||
| type AssetClaims = (); | ||
| type SubscriptionService = (); | ||
| type PalletInstancesInfo = (); | ||
| type FeeManager = (); | ||
| type MaxAssetsIntoHolding = frame::traits::ConstU32<1>; | ||
| type MessageExporter = (); | ||
| type UniversalAliases = Nothing; | ||
| type CallDispatcher = RuntimeCall; | ||
| type SafeCallFilter = Everything; | ||
| type Aliasers = Nothing; | ||
| } | ||
|
|
||
| pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, ThisNetwork>; | ||
|
|
||
| impl pallet_xcm::Config for Runtime { | ||
| // We turn off sending for these tests | ||
| type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>; | ||
| type XcmRouter = super::super::network::ParachainXcmRouter<MessageQueue>; // Provided by xcm-simulator | ||
| // Anyone can execute XCM programs | ||
| type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>; | ||
| // We execute any type of program | ||
| type XcmExecuteFilter = Everything; | ||
| // How we execute programs | ||
| type XcmExecutor = XcmExecutor<XcmConfig>; | ||
| // We don't allow teleports | ||
| type XcmTeleportFilter = Nothing; | ||
| // We allow all reserve transfers | ||
| type XcmReserveTransferFilter = Everything; | ||
| // Same weigher executor uses to weigh XCM programs | ||
| type Weigher = weigher::Weigher; | ||
| // Same universal location | ||
| type UniversalLocation = UniversalLocation; | ||
| // No version discovery needed | ||
| // We turn off sending for these tests | ||
| type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>; | ||
| type XcmRouter = super::super::network::ParachainXcmRouter<MessageQueue>; // Provided by xcm-simulator | ||
| // Anyone can execute XCM programs | ||
| type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>; | ||
| // We execute any type of program | ||
| type XcmExecuteFilter = Everything; | ||
| // How we execute programs | ||
| type XcmExecutor = XcmExecutor<XcmConfig>; | ||
| // We don't allow teleports | ||
| type XcmTeleportFilter = Nothing; | ||
| // We allow all reserve transfers | ||
| type XcmReserveTransferFilter = Everything; | ||
| // Same weigher executor uses to weigh XCM programs | ||
| type Weigher = weigher::Weigher; | ||
| // Same universal location | ||
| type UniversalLocation = UniversalLocation; | ||
| // No version discovery needed | ||
| const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 0; | ||
| type AdvertisedXcmVersion = frame::traits::ConstU32<3>; | ||
| type AdminOrigin = frame_system::EnsureRoot<AccountId>; | ||
| // No locking | ||
| // No locking | ||
| type TrustedLockers = (); | ||
| type MaxLockers = frame::traits::ConstU32<0>; | ||
| type MaxRemoteLockConsumers = frame::traits::ConstU32<0>; | ||
| type RemoteLockConsumerIdentifier = (); | ||
| // How to turn locations into accounts | ||
| // How to turn locations into accounts | ||
| type SovereignAccountOf = LocationToAccountId; | ||
| // A currency to pay for things and its matcher, we are using the relay token | ||
| // A currency to pay for things and its matcher, we are using the relay token | ||
| type Currency = Balances; | ||
| type CurrencyMatcher = IsConcrete<RelayLocation>; | ||
| // Pallet benchmarks, no need for this example | ||
| // Pallet benchmarks, no need for this example | ||
| type WeightInfo = pallet_xcm::TestWeightInfo; | ||
| // Runtime types | ||
| type RuntimeOrigin = RuntimeOrigin; | ||
| type RuntimeCall = RuntimeCall; | ||
| type RuntimeEvent = RuntimeEvent; | ||
| // Runtime types | ||
| type RuntimeOrigin = RuntimeOrigin; | ||
| type RuntimeCall = RuntimeCall; | ||
| type RuntimeEvent = RuntimeEvent; | ||
| } |
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