Jędrzej Stuczyński f328f3fa9e Feature/gateway api (#3970)
* Squashing all the changes

initial router

started expanding the API

initial empty openapi/swagger

populated build-info endpoint

wip: populating rest of swagger

missing swagger data + using closure capture for immutable state

running the api as a proper task in gateway 'run'

fixing some version/feature clashes

refactored routes structures

initial host information endpoint

expanded on gateway-related endpoints

signing host information

moved all models to separate crate

unified http api client

routes unification + node api client

new generic cache and refresher

nym-api caching node self described information

removed old cache type

temporarily wired up NymContractCache to NodeDescriptionProvider

caching self reported host info

clients using self-described gateway information

fixed request timeouts for wasm

fixed wasm builds

post rebase fixes

cargo fmt

brought in wg routes into nym-node router

added ErrorResponse for wireguard routes

basic swagger support for wg endpoints

turns out swagger can be happy with strongly typed requests

output type support for wg routes

using concrete error type for nym node request error

fixed the registration test

landing page configurability

increased configurability

fixed build and lints of other crates

added default user-agent to http-api-client

reduced severity of gateway details lookup failure

changed default http port from 80 to 8080

nym-api using new default port for queries

added health endpoint

nym-api trying multiple ports for the client

using camelcase for node status

corrected health endpoint description

restored and revamped 'force_tls' flag to filter all gateways that support the wss protocol

fixed 'pub_key' path param in open api schema

derived Debug on 'NymNodeDescription'

ensuring valid public ips

added init and run flags to set hostname and public ips

fixed listening address being pushed to public ip

fixed the positional local flag

logging remote ip address of the request

updated helper function to query for described gateways

enabled tls in gateway client

removed hack-opts from mix fetch

additional changes after rebasing against origin/develop

* clippy

* wasm-related target locking

* more clippy, but this time in tests
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The Nym Privacy Platform

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

  • nym-mixnode - shuffles Sphinx packets together to provide privacy against network-level attackers.
  • 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-gateway - acts sort of like a mailbox for mixnet messages, which removes the need for direct delivery to potentially offline or firewalled devices.
  • nym-network-monitor - sends packets through the full system to check that they are working as expected, and stores node uptime histories as the basis of a rewards system ("mixmining" or "proof-of-mixing").
  • nym-explorer - a (projected) block explorer and (existing) mixnet viewer.
  • nym-wallet - a desktop wallet implemented using the Tauri framework.

License Build Status

Building

Platform build instructions are available on our docs site. Wallet build instructions are also available on our docs site.

Developing

There's a .env.sample-dev file provided which you can rename to .env if you want convenient logging, backtrace, or other environment variables pre-set. The .env file is ignored so you don't need to worry about checking it in.

For Typescript components, please see ts-packages.

Developer chat

We used to use Keybase for developer chats, but we have since migrated to Matrix and Discord. We no longer check the old nymtech.friends Keybase team.

You can chat to us in two places:

  • The #dev channel on Matrix
  • The various developer channels on Discord

Rewards

Node, node operator and delegator rewards are determined according to the principles laid out in the section 6 of Nym Whitepaper. Below is a TLDR of the variables and formulas involved in calculating the epoch rewards. Initial reward pool is set to 250 million Nym, making the circulating supply 750 million Nym.

Symbol Definition
global share of rewards available, starts at 2% of the reward pool.
node reward for mixnode i.
ratio of total node stake (node bond + all delegations) to the token circulating supply.
ratio of stake operator has pledged to their node to the token circulating supply.
fraction of total effort undertaken by node i, set to 1/k.
number of nodes stakeholders are incentivised to create, set by the validators, a matter of governance. Currently determined by the reward set size, and set to 720 in testnet Sandbox.
Sybil attack resistance parameter - the higher this parameter is set the stronger the reduction in competitiveness gets for a Sybil attacker.
declared profit margin of operator i, defaults to 10% in.
uptime of node i, scaled to 0 - 1, for the rewarding epoch
cost of operating node i for the duration of the rewarding epoch, set to 40 NYMT.

Node reward for node i is determined as:

where:

and

Operator of node i is credited with the following amount:

Delegate with stake s receives:

where s' is stake s scaled over total token circulating supply.

This program is available as open source under the terms of the Apache 2.0 license. However, some elements are being licensed under CC0-1.0 and MIT. For accurate information, please check individual files.

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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