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Check out/in assets when teleporting to maintain total issuance (#3007)

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* Check out/in assets when teleporting to maintain total issuance

* Fixes

* Fixes

* Fixes

* Fixes

* Update xcm/xcm-executor/src/traits/transact_asset.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Docs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Gavin Wood
2021-05-12 08:39:16 +02:00
committed by GitHub
parent c68903f3bb
commit 41a93127a9
9 changed files with 179 additions and 15 deletions
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polkadot/runtime/kusama/src/lib.rs
+4
View File
@@ -1164,6 +1164,8 @@ parameter_types! {
/// Our XCM location ancestry - i.e. what, if anything, `Parent` means evaluated in our context. Since
/// Kusama is a top-level relay-chain, there is no ancestry.
pub const Ancestry: MultiLocation = MultiLocation::Null;
/// The check account, which holds any native assets that have been teleported out and not back in (yet).
pub CheckAccount: AccountId = XcmPallet::check_account();
}
/// The canonical means of converting a `MultiLocation` into an `AccountId`, used when we want to determine
@@ -1189,6 +1191,8 @@ pub type LocalAssetTransactor =
SovereignAccountOf,
// Our chain's account ID type (we can't get away without mentioning it explicitly):
AccountId,
// We track our teleports in/out to keep total issuance correct.
CheckAccount,
>;
/// The means that we convert an the XCM message origin location into a local dispatch origin.
polkadot/runtime/rococo/src/lib.rs
+3
View File
@@ -557,6 +557,7 @@ parameter_types! {
pub const RocLocation: MultiLocation = MultiLocation::Null;
pub const RococoNetwork: NetworkId = NetworkId::Polkadot;
pub const Ancestry: MultiLocation = MultiLocation::Null;
pub CheckAccount: AccountId = XcmPallet::check_account();
}
pub type SovereignAccountOf = (
@@ -574,6 +575,8 @@ pub type LocalAssetTransactor =
SovereignAccountOf,
// Our chain's account ID type (we can't get away without mentioning it explicitly):
AccountId,
// It's a native asset so we keep track of the teleports to maintain total issuance.
CheckAccount,
>;
type LocalOriginConverter = (
polkadot/runtime/westend/src/lib.rs
+3
View File
@@ -839,6 +839,7 @@ parameter_types! {
pub const WndLocation: MultiLocation = MultiLocation::Null;
pub const Ancestry: MultiLocation = MultiLocation::Null;
pub WestendNetwork: NetworkId = NetworkId::Named(b"Westend".to_vec());
pub CheckAccount: AccountId = XcmPallet::check_account();
}
pub type LocationConverter = (
@@ -856,6 +857,8 @@ pub type LocalAssetTransactor =
LocationConverter,
// Our chain's account ID type (we can't get away without mentioning it explicitly):
AccountId,
// It's a native asset so we keep track of the teleports to maintain total issuance.
CheckAccount,
>;
type LocalOriginConverter = (