Bootstrap Stage 0.

Here we begin.

   * GPLv3.txt
   * README.txt
   * bootstrap-stage-0.html
   * bootstrap-stage-0.txt
   * rust/Cargo.toml
   * rust/mycelium.rs
This commit is contained in:
khleedril 2025-08-17 12:33:35 +01:00
commit 01c48ff0e8
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GPG key ID: CA471FD501618A49
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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for
software and other kinds of works.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users. We, the Free Software Foundation, use the
GNU General Public License for most of our software; it applies also to
any other work released this way by its authors. You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
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have the freedom to distribute copies of free software (and charge for
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To protect your rights, we need to prevent others from denying you
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Developers that use the GNU GPL protect your rights with two steps:
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The precise terms and conditions for copying, distribution and
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TERMS AND CONDITIONS
0. Definitions.
"This License" refers to version 3 of the GNU General Public License.
"Copyright" also means copyright-like laws that apply to other kinds of
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1. Source Code.
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The Corresponding Source for a work in source code form is that
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All rights granted under this License are granted for the term of
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The Free Software Foundation may publish revised and/or new versions of
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If the Program specifies that a proxy can decide which future
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15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
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DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
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If the disclaimer of warranty and limitation of liability provided
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copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

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<div id="content" class="content">
<h1 class="title">Mycelium Totally Un-Discoverable Developer Network: Bootstrap Stage Zero
<br />
<span class="subtitle">Khleedril, August 2025</span>
</h1>
<div id="table-of-contents" role="doc-toc">
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
<li><a href="#orgaaf1368">1. Abstract</a>
<ul>
<li><a href="#org62f64e7">1.1. Audience</a></li>
<li><a href="#orga39b305">1.2. Distribution</a></li>
<li><a href="#orgfee18b8">1.3. Provenance</a></li>
</ul>
</li>
<li><a href="#org1fb1226">2. Introduction</a>
<ul>
<li><a href="#org826117c">2.1. The Catch-22s of Open Web Governance</a></li>
<li><a href="#org944f708">2.2. Safety</a></li>
</ul>
</li>
<li><a href="#org6a91e2b">3. Bootstrap Stage Zero Technical Specifications</a>
<ul>
<li><a href="#org849f0eb">3.1. Communication Protocol</a></li>
<li><a href="#orga3bafb7">3.2. Assessment Procedure/Protocol</a></li>
</ul>
</li>
<li><a href="#orge7af4c4">4. Deployment</a>
<ul>
<li><a href="#orgba9cf15">4.1. Use</a></li>
</ul>
</li>
</ul>
</div>
</div>
<style>
body { width: 40em; }
</style>
<div id="outline-container-orgaaf1368" class="outline-2">
<h2 id="orgaaf1368"><span class="section-number-2">1.</span> Abstract</h2>
<div class="outline-text-2" id="text-1">
<p>
With the ultimate aim to provide provenance to people to allow them to participate in online project governance structures, we describe a network of <i>Pretty Good Privacy</i> (PGP) public keys, but unlike the original intention for the keys to be discoverable, we create a network which is absolutely <span class="underline">not discoverable</span> and provides a more dynamic set of trust measures. The network is made up of people each with a few friends (people known to be actual people and trustworthy), and the only action one can perform on the network is to ask friends for an opinion of the trust of a <i>person</i> in a <i>context</i>, both being known in advance by out-of-band means. Thus honest participants should feel safe being a part of the network, only being reachable by trusted friends.
</p>
</div>
<div id="outline-container-org62f64e7" class="outline-3">
<h3 id="org62f64e7"><span class="section-number-3">1.1.</span> Audience</h3>
<div class="outline-text-3" id="text-1-1">
<p>
This document is aimed at software developers who manage an Internet web server, and are comfortable with HTTPS, JSON, and PGP.
</p>
</div>
</div>
<div id="outline-container-orga39b305" class="outline-3">
<h3 id="orga39b305"><span class="section-number-3">1.2.</span> Distribution</h3>
<div class="outline-text-3" id="text-1-2">
<p>
Wide dissemination of this document is strongly encouraged, but modifications are <b>not</b> permitted. The document should be referred to by the title and date shown above. Legally the work should be considered to be copyrighted by the author with terms according to the Creative Commons (CC) BY-ND<sup><a id="fnr.1" class="footref" href="#fn.1" role="doc-backlink">1</a></sup> license. The document is being discussed on <i>Mastodon</i> under the hash-tag <code>#myceliumboot0</code>.
</p>
</div>
</div>
<div id="outline-container-orgfee18b8" class="outline-3">
<h3 id="orgfee18b8"><span class="section-number-3">1.3.</span> Provenance</h3>
<div class="outline-text-3" id="text-1-3">
<p>
The source text for this document and the referenced source code exists as commits in a GIT repositiory — at this moment in time residing at <a href="https://khleedril.org/forge/mycelium/mycelium">https://khleedril.org/forge/mycelium/mycelium</a> — signed by <i>khleedril@a.b</i>, PGP fingerprint <code>E23C21ED864FF4F3A7114CDFCA471FD501618A49</code>, the same key that Im using in the Mycelium network; it will hopefully develop reputation as the network evolves!
</p>
<p>
If you have access to the <i>Guix</i> command, you can run
</p>
<div class="org-src-container">
<pre class="src src-sh">guix git authenticate \
d92072679363b63576862ca206add26f8039114c \
E23C21ED864FF4F3A7114CDFCA471FD501618A49
</pre>
</div>
<p>
to assert the authenticity of the entire repository after you have cloned it to your own machine.<sup><a id="fnr.2" class="footref" href="#fn.2" role="doc-backlink">2</a></sup><sup>, </sup><sup><a id="fnr.3" class="footref" href="#fn.3" role="doc-backlink">3</a></sup>
</p>
</div>
</div>
</div>
<div id="outline-container-org1fb1226" class="outline-2">
<h2 id="org1fb1226"><span class="section-number-2">2.</span> Introduction</h2>
<div class="outline-text-2" id="text-2">
</div>
<div id="outline-container-org826117c" class="outline-3">
<h3 id="org826117c"><span class="section-number-3">2.1.</span> The Catch-22s of Open Web Governance</h3>
<div class="outline-text-3" id="text-2-1">
<p>
We look back over the work of Indymedia<sup><a id="fnr.4" class="footref" href="#fn.4" role="doc-backlink">4</a></sup>, Occupy Movement<sup><a id="fnr.5" class="footref" href="#fn.5" role="doc-backlink">5</a></sup>, and Hamish Campbells ideas on an open web governance body<sup><a id="fnr.6" class="footref" href="#fn.6" role="doc-backlink">6</a></sup><sup>, </sup><sup><a id="fnr.7" class="footref" href="#fn.7" role="doc-backlink">7</a></sup>, and realize that there are two imminent problems: the choice of first use case, and the ramp-up process to arrive at something which works. We believe the first application of governance is the managed development of the governance project itself. This gives us an immediate Catch-22: we want to develop code to enable fully federated governance; we want the code development to be governed by the fully federated governance: we need to bootstrap the process of assembling a governance of developers to develop the governance infrastructure. So we lay out here the smallest first step (which we christen <i>Stage Zero</i>) to get this process started, or bootstrapped.
</p>
<p>
The extant projects are trying to single-handedly get funding. This points to another Catch-22, wherein a movement of sorts needs to be established so that funding can be justified, yet real (i.e., full-time) progress may be stilted without some funding.
</p>
<p>
As to a final Catch-22: it is acknowledged that governance is a messy business unsuited to inflexible algorithms. But on-line governance needs to be managed by a network of computers, and computers run on algorithms. Thus here we endeavour to make the smallest possible working algorithm we can imagine, and leave it to further effort to put actual governance structures in place, using the Mycelium network as the unassuming root of trust in the system.
</p>
</div>
</div>
<div id="outline-container-org944f708" class="outline-3">
<h3 id="org944f708"><span class="section-number-3">2.2.</span> Safety</h3>
<div class="outline-text-3" id="text-2-2">
<p>
There is no central register of keys, and no way to traverse the Mycelium network to discover them. The best any member of the network can do is ask other members they know about to provide an assessment of trust in some known key — person — in some known context. The assessor end-points which people provide SHOULD be at some very obscure uniform resource indicator (URI) which will be hidden from prying eyes by transport layer security (TLS). The only people who will know your assessor URI are the friends you tell about it. If you dont trust them not to denial-of-service (DOS) attack you, they are not your friends!
</p>
<p>
There is, in fact, no centre-point at all. The project does not have an Internet domain name, a web server of its own, or an official GIT repository. I might be special just at this moment in time in that Im the first to have a Mycelium assessor end-point, and a GIT repository with the code (and this document) in, but thats as far as it goes.
</p>
</div>
</div>
</div>
<div id="outline-container-org6a91e2b" class="outline-2">
<h2 id="org6a91e2b"><span class="section-number-2">3.</span> Bootstrap Stage Zero Technical Specifications</h2>
<div class="outline-text-2" id="text-3">
<p>
At a minimum, a governance system needs people and contexts in which they are deemed to have some privilege to take actions, such as proposing changes, voting on proposals, committing to official repositories, or changing the rules of an organization. People need to be uniquely and unambiguously identified, both on line and in person. The simplest way to achieve this is to use the fingerprint of a public PGP key as an identifier, and the user can assert their authenticity by exercising the private part of the key. These keys are <b>not</b> considered associated with any e-mail addresses, and are not expected to sit in any registries or public key-rings.
</p>
<p>
A secondary benefit of using PGP keys is that they might also have been used in signing GIT commits, and so the authenticity of a person could be reinforced that way.
</p>
<p>
As regards contexts, we simply need guaranteed unique identifiers for these, and choose to use Universally Unique Identifiers (UUIDs).
</p>
<p>
The Mycelium network itself need have no knowledge of the meaning of contexts, or of any proper nouns attributed to the people. Both are regarded as completely abstract objects (although it is mandated that people are actual living people).
</p>
<p>
So all developers on the network need a PGP key pair, and the ability to use them. For any context, identified by a UUID, users need to give <i>measures</i> to keys for that context. Measures could be trust, reliability, provenenance, historical commitment, &amp;c. Contexts can be created at will.
</p>
<p>
Thus developers need to provide a service to the Mycelium network wherein they provide their assessment of measure of a key in a context to someone they know and trust. This assessment should be based either on their own judgement, or on accessing their own sub-networks of trusted contacts. Therefore the basic unit of entity on the network is a key-assessor pair, where the assessor is a HTTPS URI end-point providing a simple Javascript object notation (JSON)-based application programming interface (API).
</p>
</div>
<div id="outline-container-org849f0eb" class="outline-3">
<h3 id="org849f0eb"><span class="section-number-3">3.1.</span> Communication Protocol</h3>
<div class="outline-text-3" id="text-3-1">
<p>
The request should be the JSON object
</p>
<div class="org-src-container">
<pre class="src src-json">{ “request-id”: “&lt;UUID: string&gt;”,
“request-depth”: &lt;positive integer&gt;,
“key”: “&lt;GPG fingerprint: string&gt;”,
“context”: “&lt;UUID: string&gt;” }
</pre>
</div>
<p>
presented as UTF-8 text in the body of a HTTPS POST request, asking for an assessment of the trust of the given key in the given context. The <i>key</i> and the <i>context</i> are the important parts, obviously, and then the <i>request-id</i> should be a new UUID created by the original requestor and passed along to others in the chain; if a node sees a UUID twice in a short space of time it means there is a loop in the friend network (not uncommon), and so the response in this case should be a <i>no-basis</i> one, i.e. there is no basis on which to make a judgement of measure.
</p>
<p>
The <i>request-depth</i> is set to some value by the initial requestor and decremented by one whenever the request is passed from one friend to another; if zero is reached a no-basis response should also be assumed (as a safety measure, nodes should ensure that the depth is not unreasonably large so as to flood the network). This will guarantee termination of the process and not flood the entire Mycelium network. If the theory holds that everyone on Earth is related by up to seven degrees of freedom, then setting the parameter to seven would seem to make the system conclusive. However, this will flood the network and take a long time to return, so for practical purposes the parameter should probably be no more than three or four. In practice it would be expected that people will associate in rings (e.g. all members of a project), so a low fan-out should suffice. This may need tuning in light of experience with the protocol, and adjusting as the network matures.
</p>
<p>
The HTTP response body would be either
</p>
<pre class="example">
“no-basis”
</pre>
<p>
in the case that the service has no basis for making an assessment of a level of trust, or
</p>
<pre class="example">
{“trust”: &lt;integer 0-100&gt;}
</pre>
<p>
presented as UTF-8.
</p>
<p>
The trust levels — trust being some measure of trust, belief, provenance, reliability, &amp;c., depending on context — between 0 and 100 are to be understood thus. A value of 50 means there is no opinion on a persons trust, less than 50 means that the person is actively untrusted, and above 50 means that they are trusted to some extent; between 50 and 75 means that a person is trusted with some reservation, whereas a value above 75 means they are more trusted than not. In many cases actions by people should only be considered valid if their trust level in the context of the action is above 75.
</p>
<p>
Of course these are executive decisions being made unaccountably for the purpose of bootstrapping the project; it should be regarded as a minimal seed for the bootstrap process, and not impervious to changes in future made by a governance structure in the context of the Mycelium project, which has been given the ID <code>7a484ea4-82c6-4bf2-a4d9-c31001079f69</code>.
</p>
</div>
</div>
<div id="outline-container-orga3bafb7" class="outline-3">
<h3 id="orga3bafb7"><span class="section-number-3">3.2.</span> Assessment Procedure/Protocol</h3>
<div class="outline-text-3" id="text-3-2">
<p>
While the communication protocol above is absolutely rigid, and services which do not conform simply will not work, the assessment procedure used by an individual is much less enforced, or even enforceable. Remember that the only people you will deal with are people you innately trust.
</p>
<p>
If the <code>request-id</code> has been seen recently (in the last 60 seconds), or if the <code>request-depth</code> is zero, then an assessor should return <code>”no-basis”</code>.
</p>
<p>
The assessor might directly have an opinion of a key in a context, in which case it would be fair for them to simply return that.
</p>
<p>
If however they dont have a measure of this key in this context, they ask all of their friends, or a random subset if they have many. First, check their <i>person</i> context and ignore them if the measure is less than 75 (why are they on your friends list if you dont really believe they are people?) Then check that their assessor rating, taken to be a weight, is at least positive. Then send a request asking for their assessment, decrementing the depth number by one. If they return <code>“no-basis”</code>, ignore this. Anything else, we update our trust, starting from 50, with an updater which effectively takes the mean of all trust assessments we receive from our friends, weighted relatively by their <i>assessor</i> context measures (context ID <code>b5cd757f-54fa-4ec3-a1e3-bd5544533c1b</code>) whose value we MUST have locally.
</p>
<p>
Sample implementation code is enclosed with this document, written in Rust, with the code — not this document — to be understood as definitive; the protocol itself is considered language agnostic. It is kept as simple as possible. You might question the wisdom of hard-wiring friend data, including keys, into the code, and so you should. Remember that this is the zero-stage bootstrap and we are taking baby steps, so we are taking some slightly desperate measures to keep all things simple, and, importantly, introspectible; we dont want anybody to feel compelled to do anything they are not comfortable with. It is very likely that in the near future this will change to a local database which is updated dynamically, so that some measures, such as reliability estimates, can be automatically updated over time, as well as through a web interface so that non-technical people can join in with more worldly projects than dry protocol development. But we need to get experience with the simple set-up first, and get the tuning right early on.
</p>
<p>
Note that the communication protocol imposes very little on the assessment methodology. Individual users might come up with their own scheme, which might include caching of historically seen values, turning a node into an aggregator. At this time, such behaviours are discouraged. It should be further noted that most assessments will be weighted averages of those obtained through all friends, and so outliers (disgruntled friends!) and generally bad behaviour in the network, including gaming of the system, should be suppressed, and such things as aggregation behaviour become unworthwhile.
</p>
</div>
</div>
</div>
<div id="outline-container-orge7af4c4" class="outline-2">
<h2 id="orge7af4c4"><span class="section-number-2">4.</span> Deployment</h2>
<div class="outline-text-2" id="text-4">
<p>
It is assumed you manage an Internet server, have a web front-end like <i>Nginx</i> or <i>Apache</i> which deals with TLS and its certificates (e.g., <i>LetsEncrypt</i>), and can reverse-proxy to a back-end server. We provide the minimal code needed to realize that back-end, which does not concern itself with the security of your machine. You must edit this code before deployment, as your network data are hard-wired in it. You should map a relatively random URI to this service so that it cannot be easily guessed. Remember, only your trusted friends are supposed to be using it!
</p>
<p>
The only other requirement of the deployment machine is that the edited Rust code can be compiled and then the resulting executable can be deployed.
</p>
</div>
<div id="outline-container-orgba9cf15" class="outline-3">
<h3 id="orgba9cf15"><span class="section-number-3">4.1.</span> Use</h3>
<div class="outline-text-3" id="text-4-1">
</div>
<div id="outline-container-org88bc3f2" class="outline-4">
<h4 id="org88bc3f2"><span class="section-number-4">4.1.1.</span> Get Started</h4>
<div class="outline-text-4" id="text-4-1-1">
<p>
Set up the service on a machine you own on the Internet, and connect with some friends (exchange public keys, verify control of private keys, and obtain assessor end-point URIs). Modify the service you are running to include your friends data by editing the source code.
</p>
</div>
</div>
<div id="outline-container-org2d10e70" class="outline-4">
<h4 id="org2d10e70"><span class="section-number-4">4.1.2.</span> Utilize the Network</h4>
<div class="outline-text-4" id="text-4-1-2">
<p>
If you want to use the network, a curl command would do the trick:
</p>
<pre class="example">
curl -d {“request-depth”: 3, \
“request-id”: “&lt;new uuid&gt;”, \
“key”: “&lt;a persons key fingerprint&gt;”, \
“context”: “&lt;a context UUID&gt;”} \
&lt;assessor-uri&gt;
</pre>
<p>
which, in the early stages of uptake of this scheme, is most likely going to return <code>”no-basis”</code>, but hopefully the situation will improve very quickly in time, especially in the context of on-going projects which you are a part of. Like the Mycelium project itself (<code>7a484ea4-82c6-4bf2-a4d9-c31001079f69</code>).
</p>
<p>
Note that you are using one of your friends assessor end-points here (you dont know of any others); you dont want to annoy them by making a torrent of requests of this kind, do you? You likely wont stay friends for very long if you do, and then youll lose your footing in the Mycelium network.
</p>
</div>
</div>
<div id="outline-container-orgd32fed9" class="outline-4">
<h4 id="orgd32fed9"><span class="section-number-4">4.1.3.</span> Join the Mycelium Project as a Developer</h4>
<div class="outline-text-4" id="text-4-1-3">
<p>
Take the initiative. Write a proposal, or proposed modification to some source code, put it out on the Internet somehow. Generate a UUID; this is the context for the proposal. Maybe give some people you want to engage with some trust against this UUID, by modifying your server.
</p>
<p>
Also generate a proposal-vote UUID; any other person can give you a rating against this context, effectively voting for or against the proposal. Final votes might be weighted according to the voters rating against the proposal context itself.
</p>
<p>
Advertise the proposal and its UUIDs. Gain a reputation on the Mycelium network (people will hopefully give you measure above 50 in the context of the vote UUID). Maybe use Mastodon with one or more of the hash-tags #mycelium, #myceliumboot0, #mycelium&lt;my-proposal&gt;. Maybe send me a private message somehow to let me know of the proposal. One way or another, you are now part of the project; whether your proposal or your reputation with the project gets any traction is another matter: it is up to you to promote your idea and for the network to respond. If I find out about your proposal and care to get the networks measure of you against the proposals vote context and this comes in greater than 75, Ill likely engage with you about it.
</p>
</div>
</div>
<div id="outline-container-org764cf83" class="outline-4">
<h4 id="org764cf83"><span class="section-number-4">4.1.4.</span> Vote within the Mycelium Project</h4>
<div class="outline-text-4" id="text-4-1-4">
<p>
As of this writing, the project does not exist; there is no organization nor rules of governance. The only thing in place is the emerging zero-bootstrapped Mycelium network. Thus the first decisions are likely to be decided by vote: to express your preference add a person to your service, and give them your weighting under the context of the vote.
</p>
<p>
You will want to make sure that you have some connection to the project, and that the project knows you want to have an input. The project will presumably (through social media; hint: watch the #mycelium hash-tag) announce a decision needs to be made (choice of proposals which have been put forward?) and a UUID will be announced as the context for that decision.
</p>
</div>
</div>
<div id="outline-container-org2f4e451" class="outline-4">
<h4 id="org2f4e451"><span class="section-number-4">4.1.5.</span> Connect to Me</h4>
<div class="outline-text-4" id="text-4-1-5">
<p>
I dont encourage this, but if you want to connect with me&#x2026;
</p>
<p>
Somehow send me a secure private message, convincing me that I know you as a person (did we meet in a video call somewhere?) and that what you do matters to me. Probably your PGP key should be well used as the committer to the GIT repository of some worthwhile project. Then Ill consider linking to you as a friend, and maybe let you know my assessor URI.
</p>
</div>
</div>
</div>
</div>
<div id="footnotes">
<h2 class="footnotes">Footnotes: </h2>
<div id="text-footnotes">
<div class="footdef"><sup><a id="fn.1" class="footnum" href="#fnr.1" role="doc-backlink">1</a></sup> <div class="footpara" role="doc-footnote"><p class="footpara">
Creative Commons license with author attribution and no derivatives. <a href="https://creativecommons.org/licenses/by-nd/4.0/">https://creativecommons.org/licenses/by-nd/4.0/</a>
</p></div></div>
<div class="footdef"><sup><a id="fn.2" class="footnum" href="#fnr.2" role="doc-backlink">2</a></sup> <div class="footpara" role="doc-footnote"><p class="footpara">
Introduction to Guix GIT authentication <a href="https://openworld.news/gnu-guix-authenticate-your-git-checkouts/">https://openworld.news/gnu-guix-authenticate-your-git-checkouts/</a>.
</p></div></div>
<div class="footdef"><sup><a id="fn.3" class="footnum" href="#fnr.3" role="doc-backlink">3</a></sup> <div class="footpara" role="doc-footnote"><p class="footpara">
The <i>guix git authenticate</i> command <a href="https://guix.gnu.org/manual/devel/en/html_node/Invoking-guix-git-authenticate.html">https://guix.gnu.org/manual/devel/en/html_node/Invoking-guix-git-authenticate.html</a>.
</p></div></div>
<div class="footdef"><sup><a id="fn.4" class="footnum" href="#fnr.4" role="doc-backlink">4</a></sup> <div class="footpara" role="doc-footnote"><p class="footpara">
Indymedia self-history, 2017-04-28, <a href="https://www.indymedia.org.uk/en/2017/04/525966.html">https://www.indymedia.org.uk/en/2017/04/525966.html</a>
</p></div></div>
<div class="footdef"><sup><a id="fn.5" class="footnum" href="#fnr.5" role="doc-backlink">5</a></sup> <div class="footpara" role="doc-footnote"><p class="footpara">
Occupy Movement: Personal Reflections, Standing Stone, 2012-03-25, <a href="https://www.headheritage.co.uk/uknow/features/the-occupy-movement-personal-reflections-origins-actions-future-intentions">https://www.headheritage.co.uk/uknow/features/the-occupy-movement-personal-reflections-origins-actions-future-intentions</a>
</p></div></div>
<div class="footdef"><sup><a id="fn.6" class="footnum" href="#fnr.6" role="doc-backlink">6</a></sup> <div class="footpara" role="doc-footnote"><p class="footpara">
Funding proposal, Open Web Governance Body, Hamish Campbell, 2025-01-11, <a href="https://unite.openworlds.info/Open-Media-Network/openwebgovernancebody">https://unite.openworlds.info/Open-Media-Network/openwebgovernancebody</a>
</p></div></div>
<div class="footdef"><sup><a id="fn.7" class="footnum" href="#fnr.7" role="doc-backlink">7</a></sup> <div class="footpara" role="doc-footnote"><p class="footpara">
The #OGB: A Native Path for Open Governance, Hamish Campbell, 2025-08-05, <a href="https://hamishcampbell.com/the-ogb-a-native-path-for-open-governance">https://hamishcampbell.com/the-ogb-a-native-path-for-open-governance</a>
</p></div></div>
</div>
</div></div>
<div id="postamble" class="status">
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>

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━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
MYCELIUM TOTALLY UN-DISCOVERABLE DEVELOPER
NETWORK: BOOTSTRAP STAGE ZERO
Khleedril, August 2025
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Table of Contents
─────────────────
1. Abstract
.. 1. Audience
.. 2. Distribution
.. 3. Provenance
2. Introduction
.. 1. The Catch-22s of Open Web Governance
.. 2. Safety
3. Bootstrap Stage Zero Technical Specifications
.. 1. Communication Protocol
.. 2. Assessment Procedure/Protocol
4. Deployment
.. 1. Use
1 Abstract
══════════
With the ultimate aim to provide provenance to people to allow them to
participate in online project governance structures, we describe a
network of /Pretty Good Privacy/ (PGP) public keys, but unlike the
original intention for the keys to be discoverable, we create a
network which is absolutely _not discoverable_ and provides a more
dynamic set of trust measures. The network is made up of people each
with a few friends (people known to be actual people and trustworthy),
and the only action one can perform on the network is to ask friends
for an opinion of the trust of a /person/ in a /context/, both being
known in advance by out-of-band means. Thus honest participants
should feel safe being a part of the network, only being reachable by
trusted friends.
1.1 Audience
────────────
This document is aimed at software developers who manage an Internet
web server, and are comfortable with HTTPS, JSON, and PGP.
1.2 Distribution
────────────────
Wide dissemination of this document is strongly encouraged, but
modifications are *not* permitted. The document should be referred to
by the title and date shown above. Legally the work should be
considered to be copyrighted by the author with terms according to the
Creative Commons (CC) BY-ND[1] license. The document is being
discussed on /Mastodon/ under the hash-tag `#myceliumboot0'.
1.3 Provenance
──────────────
The source text for this document and the referenced source code
exists as commits in a GIT repositiory — at this moment in time
residing at <https://khleedril.org/forge/mycelium/mycelium> — signed
by /khleedril@a.b/, PGP fingerprint
`E23C21ED864FF4F3A7114CDFCA471FD501618A49', the same key that Im
using in the Mycelium network; it will hopefully develop reputation as
the network evolves!
If you have access to the /Guix/ command, you can run
┌────
│ guix git authenticate \
│ d92072679363b63576862ca206add26f8039114c \
│ E23C21ED864FF4F3A7114CDFCA471FD501618A49
└────
to assert the authenticity of the entire repository after you have
cloned it to your own machine.[2][3]
2 Introduction
══════════════
2.1 The Catch-22s of Open Web Governance
────────────────────────────────────────
We look back over the work of Indymedia[4], Occupy Movement[5], and
Hamish Campbells ideas on an open web governance body[6][7], and
realize that there are two imminent problems: the choice of first use
case, and the ramp-up process to arrive at something which works. We
believe the first application of governance is the managed development
of the governance project itself. This gives us an immediate
Catch-22: we want to develop code to enable fully federated
governance; we want the code development to be governed by the fully
federated governance: we need to bootstrap the process of assembling a
governance of developers to develop the governance infrastructure. So
we lay out here the smallest first step (which we christen /Stage
Zero/) to get this process started, or bootstrapped.
The extant projects are trying to single-handedly get funding. This
points to another Catch-22, wherein a movement of sorts needs to be
established so that funding can be justified, yet real (i.e.,
full-time) progress may be stilted without some funding.
As to a final Catch-22: it is acknowledged that governance is a messy
business unsuited to inflexible algorithms. But on-line governance
needs to be managed by a network of computers, and computers run on
algorithms. Thus here we endeavour to make the smallest possible
working algorithm we can imagine, and leave it to further effort to
put actual governance structures in place, using the Mycelium network
as the unassuming root of trust in the system.
2.2 Safety
──────────
There is no central register of keys, and no way to traverse the
Mycelium network to discover them. The best any member of the network
can do is ask other members they know about to provide an assessment
of trust in some known key — person — in some known context. The
assessor end-points which people provide SHOULD be at some very
obscure uniform resource indicator (URI) which will be hidden from
prying eyes by transport layer security (TLS). The only people who
will know your assessor URI are the friends you tell about it. If you
dont trust them not to denial-of-service (DOS) attack you, they are
not your friends!
There is, in fact, no centre-point at all. The project does not have
an Internet domain name, a web server of its own, or an official GIT
repository. I might be special just at this moment in time in that
Im the first to have a Mycelium assessor end-point, and a GIT
repository with the code (and this document) in, but thats as far as
it goes.
3 Bootstrap Stage Zero Technical Specifications
═══════════════════════════════════════════════
At a minimum, a governance system needs people and contexts in which
they are deemed to have some privilege to take actions, such as
proposing changes, voting on proposals, committing to official
repositories, or changing the rules of an organization. People need
to be uniquely and unambiguously identified, both on line and in
person. The simplest way to achieve this is to use the fingerprint of
a public PGP key as an identifier, and the user can assert their
authenticity by exercising the private part of the key. These keys
are *not* considered associated with any e-mail addresses, and are not
expected to sit in any registries or public key-rings.
A secondary benefit of using PGP keys is that they might also have
been used in signing GIT commits, and so the authenticity of a person
could be reinforced that way.
As regards contexts, we simply need guaranteed unique identifiers for
these, and choose to use Universally Unique Identifiers (UUIDs).
The Mycelium network itself need have no knowledge of the meaning of
contexts, or of any proper nouns attributed to the people. Both are
regarded as completely abstract objects (although it is mandated that
people are actual living people).
So all developers on the network need a PGP key pair, and the ability
to use them. For any context, identified by a UUID, users need to
give /measures/ to keys for that context. Measures could be trust,
reliability, provenenance, historical commitment, &c. Contexts can be
created at will.
Thus developers need to provide a service to the Mycelium network
wherein they provide their assessment of measure of a key in a context
to someone they know and trust. This assessment should be based
either on their own judgement, or on accessing their own sub-networks
of trusted contacts. Therefore the basic unit of entity on the
network is a key-assessor pair, where the assessor is a HTTPS URI
end-point providing a simple Javascript object notation (JSON)-based
application programming interface (API).
3.1 Communication Protocol
──────────────────────────
The request should be the JSON object
┌────
│ { “request-id”: “<UUID: string>”,
│ “request-depth”: <positive integer>,
│ “key”: “<GPG fingerprint: string>”,
│ “context”: “<UUID: string>” }
└────
presented as UTF-8 text in the body of a HTTPS POST request, asking
for an assessment of the trust of the given key in the given context.
The /key/ and the /context/ are the important parts, obviously, and
then the /request-id/ should be a new UUID created by the original
requestor and passed along to others in the chain; if a node sees a
UUID twice in a short space of time it means there is a loop in the
friend network (not uncommon), and so the response in this case should
be a /no-basis/ one, i.e. there is no basis on which to make a
judgement of measure.
The /request-depth/ is set to some value by the initial requestor and
decremented by one whenever the request is passed from one friend to
another; if zero is reached a no-basis response should also be assumed
(as a safety measure, nodes should ensure that the depth is not
unreasonably large so as to flood the network). This will guarantee
termination of the process and not flood the entire Mycelium network.
If the theory holds that everyone on Earth is related by up to seven
degrees of freedom, then setting the parameter to seven would seem to
make the system conclusive. However, this will flood the network and
take a long time to return, so for practical purposes the parameter
should probably be no more than three or four. In practice it would
be expected that people will associate in rings (e.g. all members of a
project), so a low fan-out should suffice. This may need tuning in
light of experience with the protocol, and adjusting as the network
matures.
The HTTP response body would be either
┌────
│ “no-basis”
└────
in the case that the service has no basis for making an assessment of
a level of trust, or
┌────
│ {“trust”: <integer 0-100>}
└────
presented as UTF-8.
The trust levels — trust being some measure of trust, belief,
provenance, reliability, &c., depending on context — between 0 and 100
are to be understood thus. A value of 50 means there is no opinion on
a persons trust, less than 50 means that the person is actively
untrusted, and above 50 means that they are trusted to some extent;
between 50 and 75 means that a person is trusted with some
reservation, whereas a value above 75 means they are more trusted than
not. In many cases actions by people should only be considered valid
if their trust level in the context of the action is above 75.
Of course these are executive decisions being made unaccountably for
the purpose of bootstrapping the project; it should be regarded as a
minimal seed for the bootstrap process, and not impervious to changes
in future made by a governance structure in the context of the
Mycelium project, which has been given the ID
`7a484ea4-82c6-4bf2-a4d9-c31001079f69'.
3.2 Assessment Procedure/Protocol
─────────────────────────────────
While the communication protocol above is absolutely rigid, and
services which do not conform simply will not work, the assessment
procedure used by an individual is much less enforced, or even
enforceable. Remember that the only people you will deal with are
people you innately trust.
If the `request-id' has been seen recently (in the last 60 seconds),
or if the `request-depth' is zero, then an assessor should return
`”no-basis”'.
The assessor might directly have an opinion of a key in a context, in
which case it would be fair for them to simply return that.
If however they dont have a measure of this key in this context, they
ask all of their friends, or a random subset if they have many.
First, check their /person/ context and ignore them if the measure is
less than 75 (why are they on your friends list if you dont really
believe they are people?) Then check that their assessor rating,
taken to be a weight, is at least positive. Then send a request
asking for their assessment, decrementing the depth number by one. If
they return `“no-basis”', ignore this. Anything else, we update our
trust, starting from 50, with an updater which effectively takes the
mean of all trust assessments we receive from our friends, weighted
relatively by their /assessor/ context measures (context ID
`b5cd757f-54fa-4ec3-a1e3-bd5544533c1b') whose value we MUST have
locally.
Sample implementation code is enclosed with this document, written in
Rust, with the code — not this document — to be understood as
definitive; the protocol itself is considered language agnostic. It
is kept as simple as possible. You might question the wisdom of
hard-wiring friend data, including keys, into the code, and so you
should. Remember that this is the zero-stage bootstrap and we are
taking baby steps, so we are taking some slightly desperate measures
to keep all things simple, and, importantly, introspectible; we dont
want anybody to feel compelled to do anything they are not comfortable
with. It is very likely that in the near future this will change to a
local database which is updated dynamically, so that some measures,
such as reliability estimates, can be automatically updated over time,
as well as through a web interface so that non-technical people can
join in with more worldly projects than dry protocol development. But
we need to get experience with the simple set-up first, and get the
tuning right early on.
Note that the communication protocol imposes very little on the
assessment methodology. Individual users might come up with their own
scheme, which might include caching of historically seen values,
turning a node into an aggregator. At this time, such behaviours are
discouraged. It should be further noted that most assessments will be
weighted averages of those obtained through all friends, and so
outliers (disgruntled friends!) and generally bad behaviour in the
network, including gaming of the system, should be suppressed, and
such things as aggregation behaviour become unworthwhile.
4 Deployment
════════════
It is assumed you manage an Internet server, have a web front-end like
/Nginx/ or /Apache/ which deals with TLS and its certificates (e.g.,
/LetsEncrypt/), and can reverse-proxy to a back-end server. We
provide the minimal code needed to realize that back-end, which does
not concern itself with the security of your machine. You must edit
this code before deployment, as your network data are hard-wired in
it. You should map a relatively random URI to this service so that it
cannot be easily guessed. Remember, only your trusted friends are
supposed to be using it!
The only other requirement of the deployment machine is that the
edited Rust code can be compiled and then the resulting executable can
be deployed.
4.1 Use
───────
4.1.1 Get Started
╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
Set up the service on a machine you own on the Internet, and connect
with some friends (exchange public keys, verify control of private
keys, and obtain assessor end-point URIs). Modify the service you are
running to include your friends data by editing the source code.
4.1.2 Utilize the Network
╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
If you want to use the network, a curl command would do the trick:
┌────
│ curl -d {“request-depth”: 3, \
│ “request-id”: “<new uuid>”, \
│ “key”: “<a persons key fingerprint>”, \
│ “context”: “<a context UUID>”} \
│ <assessor-uri>
└────
which, in the early stages of uptake of this scheme, is most likely
going to return `”no-basis”', but hopefully the situation will improve
very quickly in time, especially in the context of on-going projects
which you are a part of. Like the Mycelium project itself
(`7a484ea4-82c6-4bf2-a4d9-c31001079f69').
Note that you are using one of your friends assessor end-points here
(you dont know of any others); you dont want to annoy them by making
a torrent of requests of this kind, do you? You likely wont stay
friends for very long if you do, and then youll lose your footing in
the Mycelium network.
4.1.3 Join the Mycelium Project as a Developer
╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
Take the initiative. Write a proposal, or proposed modification to
some source code, put it out on the Internet somehow. Generate a
UUID; this is the context for the proposal. Maybe give some people
you want to engage with some trust against this UUID, by modifying
your server.
Also generate a proposal-vote UUID; any other person can give you a
rating against this context, effectively voting for or against the
proposal. Final votes might be weighted according to the voters
rating against the proposal context itself.
Advertise the proposal and its UUIDs. Gain a reputation on the
Mycelium network (people will hopefully give you measure above 50 in
the context of the vote UUID). Maybe use Mastodon with one or more of
the hash-tags #mycelium, #myceliumboot0, #mycelium<my-proposal>.
Maybe send me a private message somehow to let me know of the
proposal. One way or another, you are now part of the project;
whether your proposal or your reputation with the project gets any
traction is another matter: it is up to you to promote your idea and
for the network to respond. If I find out about your proposal and
care to get the networks measure of you against the proposals vote
context and this comes in greater than 75, Ill likely engage with you
about it.
4.1.4 Vote within the Mycelium Project
╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
As of this writing, the project does not exist; there is no
organization nor rules of governance. The only thing in place is the
emerging zero-bootstrapped Mycelium network. Thus the first decisions
are likely to be decided by vote: to express your preference add a
person to your service, and give them your weighting under the
context of the vote.
You will want to make sure that you have some connection to the
project, and that the project knows you want to have an input. The
project will presumably (through social media; hint: watch the
#mycelium hash-tag) announce a decision needs to be made (choice of
proposals which have been put forward?) and a UUID will be announced
as the context for that decision.
4.1.5 Connect to Me
╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
I dont encourage this, but if you want to connect with me…
Somehow send me a secure private message, convincing me that I know
you as a person (did we meet in a video call somewhere?) and that what
you do matters to me. Probably your PGP key should be well used as
the committer to the GIT repository of some worthwhile project. Then
Ill consider linking to you as a friend, and maybe let you know my
assessor URI.
Footnotes
─────────
[1] Creative Commons license with author attribution and no
derivatives. <https://creativecommons.org/licenses/by-nd/4.0/>
[2] Introduction to Guix GIT authentication
<https://openworld.news/gnu-guix-authenticate-your-git-checkouts/>.
[3] The /guix git authenticate/ command
<https://guix.gnu.org/manual/devel/en/html_node/Invoking-guix-git-authenticate.html>.
[4] Indymedia self-history, 2017-04-28,
<https://www.indymedia.org.uk/en/2017/04/525966.html>
[5] Occupy Movement: Personal Reflections, Standing Stone, 2012-03-25,
<https://www.headheritage.co.uk/uknow/features/the-occupy-movement-personal-reflections-origins-actions-future-intentions>
[6] Funding proposal, Open Web Governance Body, Hamish Campbell,
2025-01-11,
<https://unite.openworlds.info/Open-Media-Network/openwebgovernancebody>
[7] The #OGB: A Native Path for Open Governance, Hamish Campbell,
2025-08-05,
<https://hamishcampbell.com/the-ogb-a-native-path-for-open-governance>

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[package]
name = "mycelium"
version = "1.0.0"
edition = "2024"
[dependencies]
axum = { version = "0.8.4" }
chrono = { version = "0.4.41" }
permutation_iterator = { version = "0.1.2" }
reqwest = { version = "0.12.23", features = ["json"] }
serde = { version = "1.0.219", features = ["derive"] }
serde_json = { version = "1.0.142" }
tokio = { version = "1.47.1", features = ["rt-multi-thread"] }
[[bin]]
name = "mycelium"
path = "mycelium.rs"

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// Copyright © 2025 Khleedril E23C21ED864FF4F3A7114CDFCA471FD501618A49
// This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with this program. If not, see
// <https://www.gnu.org/licenses/>.
#![allow(non_camel_case_types, non_snake_case)]
const WEB_PORT : u16 = 8989; // The port we listen on as a HTTP server.
const FRIENDS_QUERY_COUNT : usize = 5; // The maximum number of friends we query for
// trust assessments.
const REQUEST_MEMORY : chrono::Duration = chrono::Duration::seconds (60); // If we see the same request in this time, we DO
// NOT provide an assessment.
const DEPTH_BREAK : u8 = 4; // If we see a depth greater than this we
// truncate it to interrupt attempts to flood
// the network.
const PERSON_CONTEXT : &str = "7097bd0d-9bfa-4b5c-8594-615d1a9bfcbd"; // Well-known contexts.
const ASSESSOR_CONTEXT : &str = "b5cd757f-54fa-4ec3-a1e3-bd5544533c1b";
const MYCELIUM_CONTEXT : &str = "7a484ea4-82c6-4bf2-a4d9-c31001079f69";
/* Add any other contexts on which you make judgements here. */
static PEOPLE: LazyLock<Vec<Person>> = LazyLock::new (|| // List of people we are aware of.
vec![
/* Khleedril; you can leave, edit, or remove this as per your own judgement. */
Person { key_fingerprint : "E23C21ED864FF4F3A7114CDFCA471FD501618A49", // Key fingerprint/person ID.
assessor_uri : None, // Assessor URI; you don't have to have access to
// this to have an opinion about this key.
measures : vec! [(PERSON_CONTEXT, 100), // List of contexts and our estimation of this
// person in this context, in the range 50-100
// (unless you feel that you must make an
// actually negative opinion about this
// person).
(ASSESSOR_CONTEXT, 90),
(MYCELIUM_CONTEXT, 100)] },
/* Add as many friends as you can here (with assessor_uri, like `Some("https: //...")`). */
/* Add as many measures of other people as you can here (without assessor_uris). */
] );
/*-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
You shouldn't have to edit anything below here, but do check it over. */
use std::{sync::{LazyLock, Mutex}, collections::HashMap};
use axum::response::IntoResponse; // Trait.
#[derive(Clone, serde::Deserialize, serde::Serialize)]
#[serde(rename_all="kebab-case")]
struct Request { request_id : String,
request_depth : u8,
key : String,
context : String }
#[derive(Clone, serde::Deserialize, serde::Serialize)]
struct Response { trust: u8 }
#[derive(Clone)]
struct Person { key_fingerprint : &'static str,
assessor_uri : Option<&'static str>,
measures : Vec<(&'static str, u8)> } // Pairs of context and measure.
fn get_context_measure (person: &Person, context: &str) -> Option<u8>
{
person .measures .iter () .find (|c| c.0 == context) .map (|c| c.1)
}
fn get_our_trust (request: &Request) -> Option<u8> // If we have an immediate opinion on this key/context,
// return it.
{
PEOPLE.iter ()
.find (|f| f.key_fingerprint == request.key)
.map (|f| get_context_measure (f, &request.context))
.flatten ()
}
fn select_friends () -> Vec<(&'static Person, u8)> // Make a friends list with at most FRIENDS-QUERY-COUNT random
// items. The return is a list of people and their assessor
// weight.
{
permutation_iterator::Permutor::new (PEOPLE.len () as u64)
.map (|i| &PEOPLE [i as usize])
.filter (|f| f.assessor_uri.is_some ()) // Only consider people with assessors...
.filter (|f| get_context_measure (f, PERSON_CONTEXT)
.is_some_and (|m| m > 75 )) // ... a person rating over 75...
.filter_map (|f| // ... and assessor weight above 55 (corresponding to a p-value
// of +0.1).
match get_context_measure (f, ASSESSOR_CONTEXT)
{ Some(weight) if weight > 55 => Some ((f, weight)),
_ => None } )
.take (FRIENDS_QUERY_COUNT)
.collect ()
}
async fn get_their_trust (friend: &Person, request: Request) // /Friend/ MUST be a proper friend with an accessor.
-> Option<u8>
{
if request.key == friend.key_fingerprint { return None; } // Don't ask a friend for a self-assessment.
if let Ok (send_result)
= reqwest::Client::new ()
.post (friend.assessor_uri.unwrap ())
.json (&Request { request_depth:
DEPTH_BREAK.min (request.request_depth - 1),
.. request })
.header (reqwest::header::CONTENT_TYPE, "application/json")
.send ().await
{
if let Ok (send_result) = send_result .text() .await
{
return serde_json::from_str::<Response> (&send_result)
.map (|r| r.trust)
.ok ()
}
}
None
}
#[derive(Clone, Default)]
struct Agg_Trust { value: f64, weight: f64 }
fn agg_trust_from_measures (value: u8, weight: u8) -> Agg_Trust
{
Agg_Trust { value: (value as f64 - 50.0) / 50.0,
weight: (weight as f64 - 50.0) / 50.0 }
}
fn add (old: &Agg_Trust, new: Agg_Trust) -> Agg_Trust
{
Agg_Trust { value: old.value + new.value * new.weight,
weight: old.weight + new.weight }
}
fn get_measure (T: &Agg_Trust) -> Option<u8>
{ // Note that 0.05 is greater than zero and less than 0.1, hence will do as
// a differentiator between having some weight and having none at all.
if T.weight > 0.05 { Some ((50.0 + 50.0 * T.value / T.weight) as u8) }
else { None }
}
static REQUEST_ID_MEMORY: LazyLock<Mutex<HashMap<String, // List of request-id/time pairs, so we know if we
chrono::NaiveDateTime>>> // have seen this request recently (our friend
= LazyLock::new (|| Mutex::new (HashMap::new ())); // network has looped back to us).
fn clean_request_id_memory ()
{
let cut = chrono::offset::Utc::now () .naive_utc ()
- REQUEST_MEMORY;
REQUEST_ID_MEMORY .lock().unwrap () .retain (|_,t| *t >= cut);
}
async fn get_trust (request: &Request) -> Option<u8> // Try to return a trust value.
{
if REQUEST_ID_MEMORY .lock().unwrap()
.insert (request.request_id.to_owned (),
chrono::offset::Utc::now ().naive_utc ()) // Add the request-id to the recent memory.
.is_some ()
{ return None } // We have seen this request-id already.
if let Some (T) = get_our_trust (&request) { return Some (T) } // We have an immediate opinion on this
// user/context.
if request.request_depth <= 1 { return None; } // If the depth is one or less, we cannot ask our
// friends.
let mut T = Agg_Trust::default ();
for f in &select_friends () // Loop over a random subset of our friends. /f/
// is (friend, weight).
{
if let Some(t) = get_their_trust (f.0, request.clone ()) .await
{
T = add (&T, agg_trust_from_measures (t, f.1))
}
}
get_measure (&T) // Return the final weighted average.
}
async fn process_request (body: axum::body::Body)
-> axum::response::Response // We take in a generic axum::Body rather than an axum::Json so we don't have to
// worry about the Content_Type; makes everything a tiny bit less flakey when
// the service is called from a lax curl command line.
{
clean_request_id_memory (); // Take this opportunity to clear old entries out of the recent request-id
// memory.
if let Ok (body) = axum::body::to_bytes (body, 2048) .await {
if let Ok (body) = std::str::from_utf8 (&body) {
if let Ok (request) = serde_json::from_str::<Request> (body) {
if let Some (trust) = get_trust (&request).await
{
return axum::response::Json::from (Response { trust })
.into_response ()
}
} } }
axum::response::Json::from ("no-basis") .into_response ()
}
#[tokio::main]
async fn main () -> Result <(), Box<dyn std::error::Error>>
{
let server = axum::Router::new ()
.route ("/", axum::routing::post (process_request));
let listener = tokio::net::TcpListener::bind
(std::net::SocketAddr::from
((std::net::Ipv4Addr::LOCALHOST, WEB_PORT)))
.await ?;
Ok (axum::serve (listener, server) .await ?) // Run the HTTP server at localhost:8989; this does not return.
}