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nym/nym-api/src/simulation_api/models.rs
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durch ad5c6ab829 Enhance simulation system with performance comparison framework
Refactors the simulation system to focus on performance methodology comparison
rather than reward amounts, enabling robust analysis of old vs new calculation
methods. Key improvements:

- Replace simulated_rewards table with performance_comparisons for better metrics
- Add performance_rankings table for ranking analysis across methodologies
- Enhance database schema with additional performance tracking fields
- Update simulation coordinator to use performance-focused data structures
- Add comprehensive performance ranking calculations
- Improve API models and handlers for performance comparison workflows
- Update SQLx query cache with new database schema changes

This provides a foundation for data-driven performance methodology evaluation
while maintaining separation from actual reward calculations.
2025-06-04 16:59:42 +02:00

255 lines
9.0 KiB
Rust

// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
// SPDX-License-Identifier: GPL-3.0-only
//! API models for simulation data responses
use crate::storage::models::{SimulatedNodePerformance, SimulatedPerformanceComparison, SimulatedRewardEpoch, SimulatedRouteAnalysis};
use nym_mixnet_contract_common::NodeId;
use serde::{Deserialize, Serialize};
use time::OffsetDateTime;
use utoipa::ToSchema;
/// Response for listing simulation epochs
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct SimulationEpochsResponse {
pub epochs: Vec<SimulationEpochSummary>,
pub total_count: usize,
}
/// Summary information about a simulation epoch
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct SimulationEpochSummary {
pub id: i64,
pub epoch_id: u32,
pub calculation_method: String,
pub start_timestamp: i64,
pub end_timestamp: i64,
pub description: Option<String>,
pub created_at: i64,
/// Number of nodes that had performance calculated
pub nodes_analyzed: usize,
/// Available calculation methods for this epoch
pub available_methods: Vec<String>,
}
impl From<SimulatedRewardEpoch> for SimulationEpochSummary {
fn from(epoch: SimulatedRewardEpoch) -> Self {
Self {
id: epoch.id,
epoch_id: epoch.epoch_id,
calculation_method: epoch.calculation_method,
start_timestamp: epoch.start_timestamp,
end_timestamp: epoch.end_timestamp,
description: epoch.description,
created_at: epoch.created_at,
nodes_analyzed: 0, // Will be populated by handler
available_methods: vec![], // Will be populated by handler
}
}
}
/// Detailed simulation epoch with all data
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct SimulationEpochDetails {
pub epoch: SimulationEpochSummary,
pub node_performance: Vec<NodePerformanceData>,
pub performance_comparisons: Vec<PerformanceComparisonData>,
pub route_analysis: Vec<RouteAnalysisData>,
}
/// Node performance data for API responses
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct NodePerformanceData {
pub node_id: NodeId,
pub node_type: String,
pub identity_key: Option<String>,
pub reliability_score: f64,
pub positive_samples: u32,
pub negative_samples: u32,
pub work_factor: Option<f64>,
pub calculation_method: String,
pub calculated_at: i64,
}
impl From<SimulatedNodePerformance> for NodePerformanceData {
fn from(perf: SimulatedNodePerformance) -> Self {
Self {
node_id: perf.node_id,
node_type: perf.node_type,
identity_key: perf.identity_key,
reliability_score: perf.reliability_score,
positive_samples: perf.positive_samples,
negative_samples: perf.negative_samples,
work_factor: perf.work_factor,
calculation_method: perf.calculation_method,
calculated_at: perf.calculated_at,
}
}
}
/// Performance comparison data for API responses
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct PerformanceComparisonData {
pub node_id: NodeId,
pub node_type: String,
pub performance_score: f64,
pub work_factor: f64,
pub calculation_method: String,
pub positive_samples: Option<i64>,
pub negative_samples: Option<i64>,
pub route_success_rate: Option<f64>,
pub calculated_at: i64,
}
impl From<SimulatedPerformanceComparison> for PerformanceComparisonData {
fn from(comparison: SimulatedPerformanceComparison) -> Self {
Self {
node_id: comparison.node_id,
node_type: comparison.node_type,
performance_score: comparison.performance_score,
work_factor: comparison.work_factor,
calculation_method: comparison.calculation_method,
positive_samples: comparison.positive_samples,
negative_samples: comparison.negative_samples,
route_success_rate: comparison.route_success_rate,
calculated_at: comparison.calculated_at,
}
}
}
/// Route analysis data for API responses
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct RouteAnalysisData {
pub calculation_method: String,
pub total_routes_analyzed: u32,
pub successful_routes: u32,
pub failed_routes: u32,
pub average_route_reliability: Option<f64>,
pub time_window_hours: u32,
pub analysis_parameters: Option<String>,
pub calculated_at: i64,
}
impl From<SimulatedRouteAnalysis> for RouteAnalysisData {
fn from(analysis: SimulatedRouteAnalysis) -> Self {
Self {
calculation_method: analysis.calculation_method,
total_routes_analyzed: analysis.total_routes_analyzed,
successful_routes: analysis.successful_routes,
failed_routes: analysis.failed_routes,
average_route_reliability: analysis.average_route_reliability,
time_window_hours: analysis.time_window_hours,
analysis_parameters: analysis.analysis_parameters,
calculated_at: analysis.calculated_at,
}
}
}
/// Comparison between old and new methods for a specific epoch
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct MethodComparisonResponse {
pub epoch_id: u32,
pub simulation_epoch_id: i64,
pub node_comparisons: Vec<NodeMethodComparison>,
pub summary_statistics: ComparisonSummaryStats,
pub route_analysis_comparison: RouteAnalysisComparison,
}
/// Comparison data for a single node between old and new methods
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct NodeMethodComparison {
pub node_id: NodeId,
pub node_type: String,
pub identity_key: Option<String>,
pub old_method: Option<NodePerformanceData>,
pub new_method: Option<NodePerformanceData>,
pub reliability_difference: Option<f64>, // new - old
pub performance_delta_percentage: Option<f64>, // (new - old) / old * 100
pub ranking_old_method: Option<i64>,
pub ranking_new_method: Option<i64>,
pub ranking_delta: Option<i64>, // new ranking - old ranking (negative is improvement)
}
/// Summary statistics comparing old vs new methods
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct ComparisonSummaryStats {
pub total_nodes_compared: usize,
pub nodes_improved: usize, // nodes with better performance in new method
pub nodes_degraded: usize, // nodes with worse performance in new method
pub nodes_unchanged: usize, // nodes with same performance
pub average_reliability_old: f64,
pub average_reliability_new: f64,
pub median_reliability_old: f64,
pub median_reliability_new: f64,
pub reliability_std_dev_old: f64,
pub reliability_std_dev_new: f64,
pub max_improvement: f64, // highest positive delta
pub max_degradation: f64, // highest negative delta
}
/// Comparison of route analysis between methods
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub struct RouteAnalysisComparison {
pub old_method: Option<RouteAnalysisData>,
pub new_method: Option<RouteAnalysisData>,
pub time_window_difference_hours: i32, // new - old
pub route_coverage_difference: i32, // new total routes - old total routes
pub success_rate_difference: Option<f64>, // new success rate - old success rate
}
/// Export format options
#[derive(Serialize, Deserialize, ToSchema, Debug, Clone)]
pub enum ExportFormat {
#[serde(rename = "json")]
Json,
#[serde(rename = "csv")]
Csv,
}
/// Query parameters for simulation listings
#[derive(Deserialize, ToSchema, Debug, utoipa::IntoParams)]
pub struct SimulationListQuery {
/// Limit number of results (default: 50, max: 1000)
pub limit: Option<usize>,
/// Offset for pagination (default: 0)
pub offset: Option<usize>,
}
/// Query parameters for node-specific performance comparison
#[derive(Deserialize, ToSchema, Debug, utoipa::IntoParams)]
pub struct NodeComparisonQuery {
/// Specific node ID to analyze
pub node_id: Option<NodeId>,
/// Node type filter (mixnode, gateway)
pub node_type: Option<String>,
/// Minimum reliability difference threshold for filtering
pub min_delta: Option<f64>,
/// Maximum reliability difference threshold for filtering
pub max_delta: Option<f64>,
}
/// Error response for simulation API
#[derive(Serialize, Deserialize, ToSchema, Debug)]
pub struct SimulationApiError {
pub error: String,
pub details: Option<String>,
pub timestamp: i64,
}
impl SimulationApiError {
pub fn new(error: &str) -> Self {
Self {
error: error.to_string(),
details: None,
timestamp: OffsetDateTime::now_utc().unix_timestamp(),
}
}
pub fn with_details(error: &str, details: &str) -> Self {
Self {
error: error.to_string(),
details: Some(details.to_string()),
timestamp: OffsetDateTime::now_utc().unix_timestamp(),
}
}
}