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Update ICA documentation with support for unordered channels #5607

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merged 4 commits into from
Jan 16, 2024
Merged

Update ICA documentation with support for unordered channels #5607

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9e01a7c
docs: adding note about supporting unordered channels
chatton Jan 15, 2024
b022a71
docs: added additional clarification between channel orderings
chatton Jan 15, 2024
e384388
Merge branch 'feat/allow-unordered-ica-channels' into cian/issue#5526…
chatton Jan 16, 2024
40d4732
docs: added order field to docs in 05-messages.md
chatton Jan 16, 2024
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1 change: 1 addition & 0 deletions docs/docs/02-apps/02-interchain-accounts/05-messages.md
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Expand Up @@ -17,6 +17,7 @@ type MsgRegisterInterchainAccount struct {
Owner string
ConnectionID string
Version string
Order channeltypes.Order
}
```

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8 changes: 7 additions & 1 deletion docs/docs/02-apps/02-interchain-accounts/09-active-channels.md
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Expand Up @@ -7,7 +7,13 @@ slug: /apps/interchain-accounts/active-channels

# Understanding Active Channels

The Interchain Accounts module uses [ORDERED channels](https://github.com/cosmos/ibc/tree/master/spec/core/ics-004-channel-and-packet-semantics#ordering) to maintain the order of transactions when sending packets from a controller to a host chain. A limitation when using ORDERED channels is that when a packet times out the channel will be closed.
The Interchain Accounts module uses either [ORDERED or UNORDERED](https://github.com/cosmos/ibc/tree/master/spec/core/ics-004-channel-and-packet-semantics#ordering) channels.

When using `ORDERED` channels, the order of transactions when sending packets from a controller to a host chain is maintained.

When using `UNORDERED` channels, there is no guarantee that the order of transactions when sending packets from the controller to the host chain is maintained.

> A limitation when using ORDERED channels is that when a packet times out the channel will be closed.

In the case of a channel closing, a controller chain needs to be able to regain access to the interchain account registered on this channel. `Active Channels` enable this functionality.

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