Enum ChainError 

pub enum ChainError {
    MissingBootstrap,
    VersionSkip {
        expected: u32,
        got: u32,
    },
    PubkeyDiscontinuity {
        at_version: u32,
    },
    DuplicateVersion(u32),
    BadSignature {
        at_version: u32,
        detail: String,
    },
    EmergencyDisallowed {
        at_version: u32,
    },
}

Errors from verify_chain.

Variants

MissingBootstrap

Chain is empty or first entry is not a bootstrap.

VersionSkip

Chain skipped a key_version (e.g. went 1 -> 3).

Fields

expected: u32

got: u32

PubkeyDiscontinuity

a[i].old_pubkey does not match a[i-1].new_pubkey.

Fields

at_version: u32

DuplicateVersion(u32)

Same new_key_version appears twice in the chain.

BadSignature

Bad Ed25519 signature on a non-bootstrap, non-emergency entry.

Fields

at_version: u32

detail: String

EmergencyDisallowed

Emergency entry encountered with allow_emergency = false.

Fields

at_version: u32

Trait Implementations

impl Debug for ChainError

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

Formats the value using the given formatter.

impl Display for ChainError

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

Formats the value using the given formatter.

impl Error for ChainError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.