Struct Fingerprint 

pub struct Fingerprint(/* private fields */);

A validated relay fingerprint.

Fingerprints are 40-character hexadecimal strings representing the SHA-1 hash of a relay’s RSA identity key. This type ensures the fingerprint is valid at construction time.

Format

• Length: exactly 40 characters
• Characters: hexadecimal (0-9, a-f, A-F)
• Stored in uppercase for consistency

Example

use stem_rs::types::Fingerprint;
use std::str::FromStr;

let fp = Fingerprint::from_str(
    "9695DFC35FFEB861329B9F1AB04C46397020CE31"
).unwrap();
assert_eq!(fp.as_str(), "9695DFC35FFEB861329B9F1AB04C46397020CE31");

let invalid = Fingerprint::from_str("ABCD");
assert!(invalid.is_err());

Implementations

impl Fingerprint

pub fn new(s: impl Into<String>) -> Result<Self, FingerprintError>

Creates a new fingerprint from a string.

The input is validated and converted to uppercase.

Errors

Returns an error if the string is not exactly 40 hexadecimal characters.

pub fn as_str(&self) -> &str

Returns the fingerprint as a string slice.

pub fn to_lowercase(&self) -> String

Returns the fingerprint in lowercase.

Trait Implementations

impl Clone for Fingerprint

fn clone(&self) -> Fingerprint

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Fingerprint

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for Fingerprint

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromStr for Fingerprint

type Err = FingerprintError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for Fingerprint

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Fingerprint

fn eq(&self, other: &Fingerprint) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Fingerprint

impl StructuralPartialEq for Fingerprint