Drazen Urch c1acef9bc8 Check gateway supported versions (#5860)
* Check gateway supported versions

* Fix boxed errors

* Fmt

* feat(client-core): integrate gateway protocol validation into SDK

Enable protocol version checking for all SDK-based clients by using
gateways_for_init_with_protocol_validation in MixnetClientBuilder.
This ensures clients only connect to gateways with compatible protocol
versions, preventing potential communication issues.

- Replace gateways_for_init with gateways_for_init_with_protocol_validation
- Add import for the new validation function
- Protocol validation now active for network monitor and all SDK users

* refactor(client-core): allow gateways with newer protocol versions

Change protocol validation to be more permissive - instead of rejecting
gateways with newer protocol versions, now logs a warning and continues.
This enables graceful degradation when gateways upgrade, relying on their
backward compatibility while signaling users to update their clients.

Changes:
- Accept gateways with protocol version > client version
- Log warning about version mismatch suggesting client update
- Update log messages from "validation" to "check" for clarity
- Add trace logging showing both gateway and client versions

This prevents connectivity issues when gateways upgrade before clients,
improving overall network resilience.

* feat(nym-network-monitor): add diagnostic logging for ConnectionRefused debugging

- Add detailed logging for client rotation lifecycle with [CLIENT_ROTATION_*] tags
- Add request tracking with unique IDs using the random message as identifier
- Add HTTP connection acceptance logging with [HTTP_REQUEST] tags
- Improve locust script with connection error handling and backoff strategy
- Add TCP backlog configuration support (default 1024)
- Add socket configuration with SO_REUSEADDR and configurable backlog
- Add HTTP timeout and tracing layers for better observability

These changes help diagnose when and why ConnectionRefused errors occur during load testing,
particularly around client rotation periods.

* fix(nym-api): calculate route average reliability as node mean instead of route-based

- Changed route average reliability calculation to use mean of all node reliabilities
- Added median calculation alongside mean for better statistical representation
- Fixed null average reliability for old method which doesn't analyze routes
- Rounded all float values to 2 decimal places in API responses for cleaner display
- Store median values in analysis_parameters JSON field
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The Nym Privacy Platform

The platform is composed of multiple Rust crates. Top-level executable binary crates include:

  • nym-node - a tool for running a node within the Nym network. Nym Nodes containing functionality such as mixnode, entry-gateway and exit-gateway are fundamental components of Nym Mixnet architecture. Nym Nodes are ran by decentralised node operators. Read more about nym-node in Operators Guide documentation. Network functionality of nym-node (labeled with --mode flag) can be:
    • mixnode - shuffles Sphinx packets together to provide privacy against network-level attackers.
    • gateway - acts sort of like a mailbox for mixnet messages, which removes the need for direct delivery to potentially offline or firewalled devices. Gateways can be further categorized as entry-gateway and exit-gateway. The latter has an extra embedded IP packet router and Network requester to route data to the internet.
  • nym-client - an executable which you can build into your own applications. Use it for interacting with Nym nodes.
  • nym-socks5-client - a Socks5 proxy you can run on your machine and use with existing applications.
  • nym-explorer - a (projected) block explorer and (existing) mixnet viewer.
  • nym-wallet - a desktop wallet implemented using the Tauri) framework.
  • nym-cli - a tool for interacting with the network from the CLI.
                      ┌─►mix──┐  mix     mix
                      │       │
            Entry     │       │                   Exit
client ───► Gateway ──┘  mix  │  mix  ┌─►mix ───► Gateway ───► internet
                              │       │
                              │       │
                         mix  └─►mix──┘  mix

Build Status

Building

Developing

References for developers:

Developer chat

You can chat to us in the #dev channel on Matrix or on the Nym Forum.

Tokenomics & Rewards

Nym network economic incentives, operator and validator rewards, and scalability of the network are determined according to the principles laid out in the section 6 of Nym Whitepaper. Initial reward pool is set to 250 million Nym, making the circulating supply 750 million Nym.

This is a monorepo and components that make up Nym as a system are licensed individually, so for accurate information, please check individual files.

As a general approach, licensing is as follows this pattern:

  • applications and binaries are GPLv3
  • libraries and components are Apache 2.0 or MIT
  • documentation is Apache 2.0 or CC0-1.0

Nym Node Operators and Validators Terms and Conditions can be found here.

Getting Started

yarn install
yarn build
S
Description
Nym provides strong network-level privacy against sophisticated end-to-end attackers, and anonymous transactions using blinded, re-randomizable, decentralized credentials.
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