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Account ownership testaments #8

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Account ownership testaments #8

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5854826
Added draft for claim
lucasvo Feb 10, 2021
bc7ffee
Cleanup
lucasvo Feb 10, 2021
6db56f4
clarified timestamp
lucasvo Feb 10, 2021
b3ea3b6
Removing redundant `source` field in `AccountClaim`
lucasvo Oct 5, 2021
f622912
Merge branch 'master' into claim
lucasvo Oct 5, 2021
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18 changes: 16 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -412,7 +412,7 @@ Immediately report the contents of the Error Register to the given destination v
A `QueryResponse` message of type `ExecutionOutcome` is sent to `destination` with the given
`query_id` and the outcome of the XCM.

Operands:
## `Order` Types

- `query_id: QueryId`: The value to be used for the `query_id` field of the `QueryResponse` message.
- `destination: MultiLocation`: The location to where the `QueryResponse` message should be sent.
Expand Down Expand Up @@ -520,7 +520,7 @@ Operands:
- `fees: MultiAsset`: The asset(s) by which to reduce Holding to pay execution fees.
- `weight_limit: Option<Weight>`: If provided, then state the amount of weight to be purchased. If this is lower than the estimated weight of this message, then an error will be thrown.

Kind: *Instruction*


Errors: *Fallible*.

Expand All @@ -532,6 +532,18 @@ Kind: *Instruction*

Errors: *Infallible*.

### `AccountClaim`
Sends a claim verified to be from the `source` to the `destination` on the parachain. It has an `expiration` timestamp and a `scope` used to define the scope under which such a `claim` is made. A chain should only send such a claim if it is verified to have been intended to be sent by the `source`. It facilitates authentication across parachains.

Operands:
- `destination: MultiLocation`
- `expiration: Compact<u48>`: Timestamp of the claim expiration
- `scope: Vec<u8>`

Kind: *Instruction*

Errors: *Infallible*.

### `SetErrorHandler`

Set the Error Handler Register.
Expand Down Expand Up @@ -612,6 +624,8 @@ Cancel the effect of a previous `SubscribeVersion` instruction from Origin.

Kind: *Instruction*



## **6** Universal Asset Identifiers

*Note on versioning:* This describes the `MultiAsset` (and associates) as used in XCM version of this document, and its version is strictly implied by the XCM it is used within. If it is necessary to form a `MultiAsset` value is used _outside_ of an XCM (where its version cannot be inferred) then the version-aware `VersionedMultiAsset` should be used instead, exactly analogous to how `Xcm` relates to `VersionedXcm`.
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