Add keep alive check for teleporting to the Asset Hub

[Zerophase]

I lost 1 dot last night. I think it was from a tip getting paid that pulled my account just under 1 Dot. Would be nice if there was a UI option for teleporting to the Asset Hub that ran a keep alive check.

[ap211unitech]

Can you please share some more information on this like an image or something? Also, if possible please share the extrinsic for that transaction.

[Zerophase]

Oh sure. Here's the differences between transfer and teleport. Teleport does not have a keep alive check option.

[ap211unitech]

I see, I was having a little difficulty finding the correct component for Teleport. Thanks for clarifying :)

[ap211unitech]

In my knowledge, Teleport doesn't have any KeepAlive method similar to balances.transferKeepAlive, so technically, we can't mimic that behavior here.

However, by taking a different approach, it will fetch the maximum teleport amount and ensure the user doesn't exceed it.

[Zerophase]

It's not a big deal while Dot is $5. But, let's say Dot is worth $500 some day, then this is an important feature to have to not lose the source address.

[ap211unitech]

Totally agreed! However, from the UI side, we can only support chain methods if the chain provides them. Feel free to open an issue here to request support for it.

For UI side, we have added a PR to ensure that users cannot submit more than the maximum allowed amount, which prevents reaping accounts.

[polkadot-js-bot]

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