feat(xcm): add xcm topic id wrappers to router and barrier #961
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jak-pan
approved these changes
Dec 30, 2024
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We need rebench here and we can merge. @XY-Wang can you send your wallet address? |
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This PR adds the
WithUniqueTopicandTrailingSetTopicAsIdwrappers, introduced in paritytech/polkadot#7234, to the XCM Router and Barrier respectively.This will allow for easier tracking of XCM, especially in the case of multi-hop messages where the message hash differs on each leg.
More detailed explanation: https://substrate.stackexchange.com/questions/1893/is-there-an-id-for-xcm-message/1906#1906
The implementation mirrors that of the system parachains:
https://github.com/polkadot-fellows/runtimes/blob/7b096c14c2b16cc81ca4e2188eea9103f120b7a4/system-parachains/asset-hubs/asset-hub-polkadot/src/xcm_config.rs#L295
https://github.com/polkadot-fellows/runtimes/blob/7b096c14c2b16cc81ca4e2188eea9103f120b7a4/system-parachains/asset-hubs/asset-hub-polkadot/src/xcm_config.rs#L477