[Lightning-dev] Stealing money from a hub?

[Christopher Jamthagen]

> Sent: Saturday, August 01, 2015 at 12:41 PM
> From: "Eric Lombrozo" <elombrozo at gmail.com>
> To: "Christopher Jamthagen" <cjamthagen at gmx.com>
> Cc: "Rusty Russell" <rusty at rustcorp.com.au>, "lightning-dev at lists.linuxfoundation.org" <lightning-dev at lists.linuxfoundation.org>
> Subject: Re: [Lightning-dev] Stealing money from a hub?
>> On Aug 1, 2015, at 3:30 AM, Christopher Jamthagen <cjamthagen at gmx.com> wrote:
>>
>>> Sent: Saturday, August 01, 2015 at 11:57 AM
>>> From: "Eric Lombrozo" <elombrozo at gmail.com>
>>> To: "Rusty Russell" <rusty at rustcorp.com.au>
>>> Cc: "Christopher Jamthagen" <cjamthagen at gmx.com>, "lightning-dev at lists.linuxfoundation.org" <lightning-dev at lists.linuxfoundation.org>
>>> Subject: Re: [Lightning-dev] Stealing money from a hub?
>>
>>
>>
>>> On Jul 30, 2015, at 4:48 PM, Rusty Russell <rusty at rustcorp.com.au> wrote:
>>> But I realized yesterday, outsourcing needs a new sighash op mode (or
>>> normalized txids), so it's not really something to design a deployable
>>> system around today.
>>> Can you elaborate on this, Rusty?
>>
>> We wont know the txid of the revoked commitment transaction until the cheater signs and broadcasts it, thus we cannot pre-sign the stealing transaction for the third party.

> Got it. I suppose it would still be possible to have the third party notify you and request a signature when it occurs so that your device doesn’t have to sit and monitor the network and do the > filtering, etc...

Once notified I could just sign the stealing transaction and take all the money myself.