durch 4f7fa557d5 Optimize database queries by eliminating N+1 patterns in simulation system
This commit addresses critical N+1 query performance issues identified in
the reward simulation system. The optimizations significantly reduce database
round trips and improve performance when processing large datasets.

**Key Optimizations:**

1. **Batch Identity Key Lookups**
   - Added `get_mixnode_identity_keys_batch()` and `get_gateway_identity_keys_batch()`
   - Updated simulation performance conversion to use batch operations
   - Reduced from N individual queries to 2 batch queries

2. **Batch Node Classification**
   - Added `classify_nodes_batch()` method for mixnode/gateway determination
   - Updated reliability calculation methods to use batch classification
   - Reduced from N individual lookups to 2 batch queries

3. **Batch Epoch Metadata Enhancement**
   - Added `count_simulated_node_performance_for_epochs_batch()`
   - Added `get_available_calculation_methods_for_epochs_batch()`
   - Updated API handlers to use batch operations for metadata enhancement
   - Reduced from 2N queries to 2 batch queries for epoch data

4. **Bulk Insert Optimizations**
   - Converted individual INSERT operations to use `sqlx::QueryBuilder::push_values()`
   - Optimized simulation data insertion methods
   - Eliminated transaction overhead from individual inserts

**Performance Impact:**
- Before: N+2N database queries for N nodes/epochs
- After: 2+2 batch queries regardless of dataset size
- Significant performance improvement for large simulation datasets

All changes maintain backward compatibility while providing substantial
performance benefits for the reward simulation system.
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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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