v7.7.0

We present here a summary of the most relevant changes, please see the v7.7.0 changelog for more details. Please note that this release, as indicated in our release versioning policy, is state machine breaking and requires a coordinated upgrade.

dependencies

• Cosmos SDK has been bumped to v0.47.13.

apps/transfer

• If the Amount of the Token field in MsgTransfer is set to the maximum value for a 256-bit unsigned integer (i.e. 2^256 - 1), then the whole balance of the corresponding denomination will be transferred. The helper function UnboundedSpendLimit in the types package of the transfer module provides the sentinel value that can be used.

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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 v0.47.13 and ibc-go v7.7.0, 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.