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@crodriguezvega crodriguezvega released this 14 May 07:29
· 10 commits to release/v7.5.x since this release
v7.5.0
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Learn about vigilant mode.

We present here a summary of the most relevant changes, please see the v7.5.0 changelog for the full set of changes included in this release. Check out also the release announcement blog post for more information.

dependencies

  • Cosmos SDK has been bumped to v0.47.11.
  • CometBFT has been bumped to v0.37.5.

apps/transfer

  • In v8.1.0 the field allowed_packet_data was added to the Allocation type used for authz support of IBC transfers. This field was originally a list of MsgTransfer's memo packet data keys that were allowed (i.e. top level JSON object keys). After receiving some feedback (thanks to Yieldmos team), we have re-purposed this field to be a list of full memo strings. That means that this field contains a list of memo strings that that the granter allows the grantee to include in the memo field of MsgTransfer, the grantee can then submit MsgTransfer with one of the allowed memo strings. See the documentation for more information.
  • In OnChanOpenTry, when the counterparty version does not match the executing chain's own version, instead of returning an error, the current version is now returned. This allows the channel handshake to complete in situations where the handshake initiating chain has the fee middleware wired up, but the counterparty doesn't (then transfer channel will be created with a version that does not contain fee middleware information). Similar change has been applied to OnChanOpenTry of the host submodule in 27-interchain-accounts. See PR #6253 for more details.

apps/27-interchain-accounts

Unordered channels

When ICA was initially released in v3.0.0 ICA channels were only allowed to be ordered, which causes the channel to close if a timeout occurs, forcing the user to reopen it. Support for unordered channels was introduced in v8.1.0, and with this release we have now back ported the feature to the v7 release line.

We have also changed the default ordering of new ICA channels from ordered to unordered. This means that new ICA channels will be unordered by default. Ordering can be specified either by setting the field ordering of MsgRegisterInterchainAccount or using the newly introduced function RegisterInterchainAccountWithOrdering (in case the legacy RegisterInterchainAccount function is used by a custom auth module).

Queries

We have added the message MsgModuleQuerySafe, which enables to perform queries on the host chain. This message contains a list of QueryRequests that will be routed to the query router when the message MsgModuleQuerySafe is executed on the host chain. The MsgModuleQuerySafe message can be included in the list of encoded sdk.Msgs of InterchainPacketData. The host chain will return on the acknowledgment the responses for all the queries (in the same order as the query requests in the Requests field of the MsgModuleQuerySafe).

Please note that only module safe queries can be executed (i.e. deterministic queries that are safe to be called from within the state machine). See the documentation for more details and the list of supported queries.

Please also note that it is mandatory to register the gRPC query router after the creation of the host submodule's keeper, otherwise nodes will not start. The WithQueryRouter function should be used. Please check the sample integration code in the documentation for more details.

This feature will also be included in the upcoming v8.3.0 release.

apps/29-fee

  • We have fixed a bug where, upon channel closure, already refunded fees remained in state in the event of one or more of the packet fees attached to a packet not being refunded. See PR #6255 for more details. Many thanks to @sushiwushi for reporting this bug.

To learn more about ibc-go versioning, please read our RELEASES.md.

IMPORTANT: Please read the migration guides for any versions of ibc-go that you might be going through when upgrading to this version. For example: if you upgrade from the IBC module contained in the Cosmos SDK 0.42.0 to SDK v0.47.11 and ibc-go v7.5.0, please follow:

  1. The migration from SDK 0.41.x or 0.42.x to the IBC module in the ibc-go repository based on the SDK v0.44.x.
  2. The migration from ibc-go v1 to v2.
  3. The migration from ibc-go v2 to v3.
  4. The migration from ibc-go v3 to v4.
  5. The migration from ibc-go v4 to v5.
  6. The migration from ibc-go v5 to v6.
  7. The migration from ibc-go v6 to v7.
  8. The migration from ibc-go v7 to v7.1.
  9. The migration from ibc-go v7.2 to v7.3.

Contributors

sushiwushi
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