1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
//! Protocol message validation implementation.
use crate::message::Message;
use thiserror::Error;
/// Errors that can occur during validation.
#[derive(Debug, Error)]
pub enum ValidationError {
/// Invalid message format
#[error("Invalid message format")]
InvalidFormat,
/// Invalid signature
#[error("Invalid signature")]
InvalidSignature,
/// Message too old
#[error("Message too old")]
MessageTooOld,
/// Invalid protocol version
#[error("Invalid protocol version")]
InvalidVersion,
}
/// Validation result.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ValidationResult {
/// Message is valid
Valid,
/// Message is invalid
Invalid,
/// Message requires further validation
PendingValidation,
}
/// Validation configuration.
#[derive(Debug, Clone)]
pub struct ValidationConfig {
/// Maximum message age in seconds
pub max_age: u64,
/// Minimum protocol version
pub min_version: u32,
/// Required signature types
pub required_signatures: Vec<String>,
}
/// Message validation trait defining the interface for validation operations.
pub trait MessageValidation {
/// Initialize validation with configuration.
fn init(config: ValidationConfig) -> Result<(), ValidationError>;
/// Validate a message.
fn validate_message(&self, message: &Message) -> Result<ValidationResult, ValidationError>;
/// Validate message signature.
fn validate_signature(&self, message: &Message) -> Result<bool, ValidationError>;
/// Check message freshness.
fn check_freshness(&self, message: &Message) -> bool;
/// Validate protocol version.
fn validate_version(&self, version: u32) -> bool;
}