Risk Management

1pub struct RiskIdentifier {
2    /// Risk categories to monitor
3    pub risk_categories: Vec<RiskCategory>,
4    
5    /// Detection thresholds
6    pub thresholds: RiskThresholds,
7    
8    /// Historical risk data
9    pub risk_history: RiskHistory,
10}
11
12impl RiskIdentifier {
13    pub fn identify_validator_risks(
14        &self,
15        validator: &ValidatorInfo,
16    ) -> Result<Vec<Risk>, ProgramError> {
17        let mut risks = Vec::new();
18        
19        // Check performance metrics
20        if validator.uptime < self.thresholds.min_uptime {
21            risks.push(Risk::new(
22                RiskType::ValidatorPerformance,
23                RiskSeverity::High,
24                "Low validator uptime",
25            ));
26        }
27        
28        // Check slashing history
29        if validator.has_recent_slashing() {
30            risks.push(Risk::new(
31                RiskType::ValidatorSlashing,
32                RiskSeverity::Critical,
33                "Recent slashing incident",
34            ));
35        }
36        
37        // Check stake concentration
38        if validator.stake_concentration > self.thresholds.max_concentration {
39            risks.push(Risk::new(
40                RiskType::StakeConcentration,
41                RiskSeverity::Medium,
42                "High stake concentration",
43            ));
44        }
45        
46        Ok(risks)
47    }
48    
49    pub fn identify_smart_contract_risks(
50        &self,
51        program_state: &ProgramState,
52    ) -> Result<Vec<Risk>, ProgramError> {
53        let mut risks = Vec::new();
54        
55        // Check state consistency
56        if !program_state.validate_consistency()? {
57            risks.push(Risk::new(
58                RiskType::StateInconsistency,
59                RiskSeverity::Critical,
60                "State validation failed",
61            ));
62        }
63        
64        // Check access patterns
65        if program_state.has_suspicious_access_patterns() {
66            risks.push(Risk::new(
67                RiskType::UnauthorizedAccess,
68                RiskSeverity::High,
69                "Suspicious access patterns detected",
70            ));
71        }
72        
73        Ok(risks)
74    }
75}

1pub struct RiskAssessor {
2    /// Risk scoring model
3    pub scoring_model: RiskScoringModel,
4    
5    /// Impact assessment criteria
6    pub impact_criteria: ImpactCriteria,
7    
8    /// Risk tolerance levels
9    pub tolerance_levels: ToleranceLevels,
10}
11
12impl RiskAssessor {
13    pub fn assess_risk(
14        &self,
15        risk: &Risk,
16        context: &RiskContext,
17    ) -> Result<RiskAssessment, ProgramError> {
18        // Calculate risk probability
19        let probability = self.calculate_probability(risk, context)?;
20        
21        // Calculate potential impact
22        let impact = self.calculate_impact(risk, context)?;
23        
24        // Calculate risk score
25        let risk_score = self.scoring_model.calculate_score(
26            probability,
27            impact,
28            risk.risk_type,
29        )?;
30        
31        // Determine risk level
32        let risk_level = if risk_score > self.tolerance_levels.critical {
33            RiskLevel::Critical
34        } else if risk_score > self.tolerance_levels.high {
35            RiskLevel::High
36        } else if risk_score > self.tolerance_levels.medium {
37            RiskLevel::Medium
38        } else {
39            RiskLevel::Low
40        };
41        
42        Ok(RiskAssessment {
43            risk: risk.clone(),
44            probability,
45            impact,
46            risk_score,
47            risk_level,
48            timestamp: Clock::get()?.unix_timestamp,
49        })
50    }
51    
52    pub fn assess_system_risk_level(
53        &self,
54        risks: &[Risk],
55        context: &SystemContext,
56    ) -> Result<SystemRiskLevel, ProgramError> {
57        let mut total_risk_score = 0;
58        
59        // Assess each risk
60        for risk in risks {
61            let assessment = self.assess_risk(risk, &context.into())?;
62            total_risk_score += assessment.risk_score;
63        }
64        
65        // Calculate system risk level
66        let system_risk_level = self.calculate_system_risk_level(
67            total_risk_score,
68            risks.len(),
69        )?;
70        
71        Ok(system_risk_level)
72    }
73}

1pub struct RiskMitigator {
2    /// Mitigation strategies
3    pub strategies: HashMap<RiskType, MitigationStrategy>,
4    
5    /// Control measures
6    pub controls: Vec<ControlMeasure>,
7    
8    /// Emergency procedures
9    pub emergency_procedures: EmergencyProcedures,
10}
11
12impl RiskMitigator {
13    pub fn mitigate_risk(
14        &self,
15        risk: &Risk,
16        assessment: &RiskAssessment,
17    ) -> ProgramResult {
18        // Get appropriate strategy
19        let strategy = self.strategies
20            .get(&risk.risk_type)
21            .ok_or(RiskError::NoMitigationStrategy)?;
22            
23        // Apply control measures
24        for control in &self.controls {
25            if control.applies_to(&risk.risk_type) {
26                control.apply(risk, assessment)?;
27            }
28        }
29        
30        // Execute mitigation strategy
31        strategy.execute(risk, assessment)?;
32        
33        // Check if emergency response needed
34        if assessment.risk_level == RiskLevel::Critical {
35            self.emergency_procedures.initiate(
36                risk,
37                assessment,
38            )?;
39        }
40        
41        Ok(())
42    }
43    
44    pub fn apply_system_wide_controls(
45        &self,
46        context: &SystemContext,
47    ) -> ProgramResult {
48        // Apply rate limiting
49        self.apply_rate_limiting(context)?;
50        
51        // Apply access controls
52        self.apply_access_controls(context)?;
53        
54        // Apply monitoring controls
55        self.apply_monitoring_controls(context)?;
56        
57        Ok(())
58    }
59}

1pub struct RiskMonitor {
2    /// Monitoring metrics
3    pub metrics: MonitoringMetrics,
4    
5    /// Alert system
6    pub alert_system: AlertSystem,
7    
8    /// Reporting system
9    pub reporting_system: ReportingSystem,
10}
11
12impl RiskMonitor {
13    pub async fn monitor_system_health(
14        &self,
15        context: &SystemContext,
16    ) -> ProgramResult {
17        // Collect system metrics
18        let metrics = self.metrics.collect(context).await?;
19        
20        // Analyze metrics
21        let analysis = self.analyze_metrics(&metrics)?;
22        
23        // Check for anomalies
24        if let Some(anomalies) = analysis.detect_anomalies() {
25            // Generate alerts
26            self.alert_system
27                .generate_alerts(&anomalies)
28                .await?;
29                
30            // Log anomalies
31            self.reporting_system
32                .log_anomalies(&anomalies)
33                .await?;
34        }
35        
36        // Update health status
37        self.update_health_status(&analysis)?;
38        
39        // Generate periodic report
40        if self.should_generate_report() {
41            self.reporting_system
42                .generate_report(&metrics, &analysis)
43                .await?;
44        }
45        
46        Ok(())
47    }
48    
49    pub fn check_thresholds(
50        &self,
51        metrics: &SystemMetrics,
52    ) -> Result<Vec<ThresholdViolation>, ProgramError> {
53        let mut violations = Vec::new();
54        
55        // Check performance thresholds
56        if metrics.performance < self.thresholds.min_performance {
57            violations.push(ThresholdViolation::Performance {
58                current: metrics.performance,
59                threshold: self.thresholds.min_performance,
60            });
61        }
62        
63        // Check security thresholds
64        if metrics.security_score < self.thresholds.min_security {
65            violations.push(ThresholdViolation::Security {
66                current: metrics.security_score,
67                threshold: self.thresholds.min_security,
68            });
69        }
70        
71        Ok(violations)
72    }
73}

1pub struct EmergencyHandler {
2    /// Emergency authority
3    pub emergency_authority: Pubkey,
4    
5    /// Recovery procedures
6    pub recovery_procedures: RecoveryProcedures,
7    
8    /// Emergency timelock
9    pub timelock: u64,
10}
11
12impl EmergencyHandler {
13    pub fn handle_emergency(
14        &self,
15        risk: &Risk,
16        context: &EmergencyContext,
17    ) -> ProgramResult {
18        // Verify emergency authority
19        self.verify_emergency_authority(context)?;
20        
21        // Pause affected operations
22        self.pause_operations(risk.affected_operations())?;
23        
24        // Execute emergency procedures
25        match risk.risk_type {
26            RiskType::ValidatorSlashing => {
27                self.handle_slashing_emergency(risk, context)?;
28            }
29            RiskType::StateInconsistency => {
30                self.handle_state_emergency(risk, context)?;
31            }
32            RiskType::SecurityBreach => {
33                self.handle_security_emergency(risk, context)?;
34            }
35            _ => {
36                self.handle_general_emergency(risk, context)?;
37            }
38        }
39        
40        // Notify stakeholders
41        self.notify_emergency_contacts(risk, context)?;
42        
43        // Begin recovery procedures
44        self.recovery_procedures.begin_recovery(risk, context)?;
45        
46        Ok(())
47    }
48    
49    pub fn initiate_emergency_shutdown(
50        &self,
51        authority: &AccountInfo,
52        reason: EmergencyReason,
53    ) -> ProgramResult {
54        // Verify emergency authority
55        if !authority.is_signer {
56            return Err(RiskError::SignatureMissing.into());
57        }
58        if authority.key != &self.emergency_authority {
59            return Err(RiskError::InvalidEmergencyAuthority.into());
60        }
61        
62        // Apply timelock
63        let shutdown_time = Clock::get()?.unix_timestamp + self.timelock;
64        
65        // Emit shutdown event
66        emit!(EmergencyShutdownInitiated {
67            authority: *authority.key,
68            reason,
69            shutdown_time,
70        });
71        
72        Ok(())
73    }
74}