rvf_federation/
error.rs

1//! Federation error types.
2
3use thiserror::Error;
4
5/// Errors that can occur during federation operations.
6#[derive(Debug, Error)]
7pub enum FederationError {
8    #[error("privacy budget exhausted: spent {spent:.4}, limit {limit:.4}")]
9    PrivacyBudgetExhausted { spent: f64, limit: f64 },
10
11    #[error("invalid epsilon value: {0} (must be > 0)")]
12    InvalidEpsilon(f64),
13
14    #[error("invalid delta value: {0} (must be in (0, 1))")]
15    InvalidDelta(f64),
16
17    #[error("segment validation failed: {0}")]
18    SegmentValidation(String),
19
20    #[error("version mismatch: expected {expected}, got {got}")]
21    VersionMismatch { expected: u32, got: u32 },
22
23    #[error("signature verification failed")]
24    SignatureVerification,
25
26    #[error("witness chain broken at index {0}")]
27    WitnessChainBroken(usize),
28
29    #[error("insufficient observations: need {needed}, have {have}")]
30    InsufficientObservations { needed: u64, have: u64 },
31
32    #[error("quality below threshold: {score:.4} < {threshold:.4}")]
33    QualityBelowThreshold { score: f64, threshold: f64 },
34
35    #[error("export rate limited: next export allowed at {next_allowed_epoch_s}")]
36    RateLimited { next_allowed_epoch_s: u64 },
37
38    #[error("PII detected after stripping: {field}")]
39    PiiLeakDetected { field: String },
40
41    #[error("Byzantine outlier detected from contributor {contributor}")]
42    ByzantineOutlier { contributor: String },
43
44    #[error("aggregation requires at least {min} contributions, got {got}")]
45    InsufficientContributions { min: usize, got: usize },
46
47    #[error("serialization error: {0}")]
48    Serialization(String),
49
50    #[error("io error: {0}")]
51    Io(String),
52}
rvf_federation/error.rs

rvf_federation/
error.rs
