Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-29 Thread Christian Decker
Matt Corallo writes: > Right, but there are approaches that are not as susceptible - an > obvious, albeit somewhat naive, approach would be to define a fixed and > proportional max fee, and pick a random (with some privacy properties eg > biasing towards old or good-reputation nodes, routing acros

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-27 Thread Matt Corallo
nding transaction has been confirmed, nodes can cheat >>>>>> us that a particular transaction is confirmed when it is not the case. >>>>>> As a result we require that nodes announce this information along with >>>>>> the public keys and the signatures

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-27 Thread ZmnSCPxj via Lightning-dev
e > > > > > in > > > > > the `short_channel_id` field which includes the block number, > > > > > transaction number and vout. Since Bitcoin does not allow confidential > > > > > transactions, we can query the blockchain and find out the channel > > &g

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-27 Thread Matt Corallo
>> >>>>   >>>> >>>> This information is broadcasted in the `channel_announcement` message in >>>> the `short_channel_id` field which includes the block number, >>>> transaction number and vout. Since Bitcoin does not allow confidential &

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-27 Thread ZmnSCPxj via Lightning-dev
. > > > > > >   > > > > > >   > > > > > > Ugam > > > > > >   > > > > > > *From:* Lightning-dev > > > *On Behalf Of *Subhra Mazumdar > > > *Sent:* Monday, January 27, 2020 12:45 PM > > >

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-27 Thread Matt Corallo
t; >   > > > >   > > > > Ugam > > > >   > > > > *From:* Lightning-dev > <mailto:lightning-dev-boun...@lists.linuxfoundation.org>> > > *On Behalf Of *Subhra Mazumdar &

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-27 Thread Subhra Mazumdar
. > > > > > > > > > > > > Ugam > > > > > > > > *From:* Lightning-dev > > *On Behalf Of *Subhra Mazumdar > > *Sent:* Monday, January 27, 2020 12:45 PM > > *To:* lightning-dev@lists.linuxfoundation.org > > *Subject:* [Lightni

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-27 Thread Matt Corallo
M > *To:* lightning-dev@lists.linuxfoundation.org > *Subject:* [Lightning-dev] Not revealing the channel capacity during > opening of channel in lightning network > >   > > Dear All, > > What can be the potential problem if a channel is opened > whereby the chann

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-27 Thread Subhra Mazumdar
dev *On > Behalf Of *Subhra Mazumdar > *Sent:* Monday, January 27, 2020 12:45 PM > *To:* lightning-dev@lists.linuxfoundation.org > *Subject:* [Lightning-dev] Not revealing the channel capacity during > opening of channel in lightning network > > > > Dear All, > >

Re: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-26 Thread Ugam Kamat
: Lightning-dev On Behalf Of Subhra Mazumdar Sent: Monday, January 27, 2020 12:45 PM To: lightning-dev@lists.linuxfoundation.org Subject: [Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network Dear All, What can be the potential problem if a

[Lightning-dev] Not revealing the channel capacity during opening of channel in lightning network

2020-01-26 Thread Subhra Mazumdar
Dear All, What can be the potential problem if a channel is opened whereby the channel capacity is not revealed publicly but just a range proof of the attribute (capacity >0 and capacity < value) is provided ? Will it pose a problem during routing of transaction ? What are the pros and con