mfahampshire 7ceaf9a40e Max/mixtcp (#6321)
* Add mixtcp crate 

Components:
- NymIprDevice: smoltcp::phy::Device impl using channel-based I/O
- NymIprBridge: async task bridging the device to IpMixStream
- create_device(): helper to set up the complete stack

* - Cleanup
- Add graceful shutdown
- Declutter logging - move a lot of bridge info! -> trace!
- Move rustls, nym-bin-common, bytes to dev-dependencies
- Extract TlsOverTcp to mod.rs
- Make timing more granular
- Update readme

* Add UDP example

* Add UDP example to readme

* rename mixtcp -> smolmix

* Add Tunnel API with TcpStream and UdpSocket over tokio-smoltcp

* Re-export Tunnel API and add init_logging convenience function

* Remove raw smoltcp path, flatten tunnel module

* Clean up bridge, device, and tunnel code

* Consolidate architecture docs, tidy examples and README

- Add src/ARCHITECTURE.md as single source of truth for architecture
- Include in docs.rs via doc = include_str!
- Strip duplicated diagrams from tunnel.rs, device.rs, README
- Extract tls_connector() helper in HTTPS example to match websocket example
- Use consistent 'smolmix' casing in README

* Update smolmix imports for ipr_wrapper API

- stream_wrapper::{IpMixStream, NetworkEnvironment} → ipr_wrapper::
- connect_tunnel() → check_connected()
- disconnect_stream() → disconnect()
- allocated_ips() returns &IpPair directly (no Option)

* Add Tunnel::new_with_ipr, re-export IpPair/Recipient, tidy examples

- Add Tunnel::new_with_ipr() for targeting a specific exit node
- Re-export IpPair and Recipient so users don't need direct deps
- Add DNS leak warning to WebSocket example
- Await hyper connection task in HTTPS example

* Restructure smolmix into multi-crate workspace

- Move core tunnel code to smolmix/core/- Rewrite examples for each crate with clearnet/mixnet comparisons

* Add workspace README with architecture overview

* Update nym-sdk README module descriptions

- Replace stale stream_wrapper description with ipr_wrapper + mixnet::stream
- Remove TODO comment

* Remove companion crates, scope to smolmix-core

* Comment out additional components on -core branch README.md

* Cargo.lock fix for compilation issue

* Downgrade accidentally bumped dependencies in Cargo lock + change
smolmix dependencies to import from workspace

* Fix workspace deps + move nym-bin-common to dev-deps

* PR review changes + fix Sink delegation

* Fix borked merge + update README.md

* Fix up stale docs + rewrite examples to use proper imports and timing
logs

* Update readmes + architecture file

* Impl Drop for BridgeShutdownHandle + update comment
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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

This project integrates with the Midnight Network

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.
Readme 377 MiB
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