[tor-dev] Revised Relay Descriptor Fields proposal

David Stainton dstainton415 at gmail.com
Fri Jul 4 21:21:33 UTC 2014

Virgil, why does your below example have a bitcoin field?
Perhaps you should rephrase your motivation more plainly to something like:

Hello, I'm a bitcoin capitalist profiteer and I wish to disturb the existing power structures within the Tor Project community with my capitalist bitcoin profiteering agenda.


David Stainton

On Fri, Jul 04, 2014 at 10:22:59AM +0200, Virgil Griffith wrote:
> Filename: ExtraRelayDescriptorFields.txt
> Title: Adding new X- fields to relay descriptor
> Author: Virgil Griffith, Nick Mathewson
> Created: 2014-06-03
> Status: Open
> 1. Motivation
> We wish to allow developers to build new applications atop relays. Towards
> this
> end, we wish to add the ability for users to specify arbitrary new key-value
> entries under the "X-" namespace.
> 2. Proposal
> Allow optional key-value lines in the relay's torrc file.  These lines will
> be
> mirrored in the relay's descriptor which is then published in the directory
> consensus.
> For example:
> X-bitcoin 19mP9FKrXqL46Si58pHdhGKow88SUPy1V8
> X-gravatar https://s.gravatar.com/avatar/d27fce46c9ac41a41bb52455ae75701d
> X-favoritequote Be excellent to each other.  Party on dudes!
> X-foo bar
> The value field must be printable ASCII (characters 32-126).  The value must
> not under any condition contain a newline.  The key may contain lowercase
> ASCII letters (a-z), digits, underscore, or dash.  In regex, [-_0-9a-z].
> There may need to be a maximum sum length of the X- entries.  This is
> left to the developers.  I propose a maximum sum length of 5 kilobytes.
> To mitigate the chance of a malformed torrc file, I additionally propose
> there
> be a schema for the relay descriptor, and if the relay descriptor fails to
> match the schema it errors to the user to change her torrc file.
> -V

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