Enum SpanError 

#[non_exhaustive]
pub enum SpanError {
    TooLarge,
    Magic,
    Version,
    Encoding,
    TrailingBytes,
    Commit,
    RangeArithmetic,
    ChunkCount,
    AnchorInvalid(VerifyError),
    AnchorSelector,
    AnchorOffset,
    InnerInvalid(VerifyError),
    ChunkSelector,
    LeafContext,
    ChunkContext,
    ChunkOrder,
    ChunkBytes,
    AnchorBinding,
    RangeOutside,
    LastUnneeded,
}

First failed MKDS check, in SPEC-DISCLOSURE §8.2 order.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

TooLarge

Container exceeds 64 MiB.

Magic

Wrong magic.

Version

Wrong version.

Encoding

Truncated field, invalid varint, or oversized vector.

TrailingBytes

Extra bytes after the declared vectors.

Commit

Embedded commit id differs from the trusted id.

RangeArithmetic

Zero length or overflowed endpoint.

ChunkCount

Fewer than two chunk bundles.

AnchorInvalid(VerifyError)

Anchor MKDP failed verification.

AnchorSelector

Anchor is not a one-byte chunked Range at local offset zero.

AnchorOffset

Anchor does not prove its absolute offset.

InnerInvalid(VerifyError)

An inner MKDP failed verification.

ChunkSelector

An inner payload is not Chunk.

LeafContext

Inner path or leaf differs from the anchor.

ChunkContext

Inner chunk metadata or root differs from the anchor.

ChunkOrder

Indices do not begin at the anchor and advance consecutively.

ChunkBytes

Chunk bytes are not a canonical nonempty Blob.

AnchorBinding

First chunk is not bound to the anchor byte and id.

RangeOutside

Range is outside the included, authenticated chunk content.

LastUnneeded

The final included chunk is unnecessary.

Implementations

impl SpanError

pub const fn reason(&self) -> &'static str

Stable language-independent golden reject label.

Trait Implementations

impl Debug for SpanError

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

Formats the value using the given formatter.

impl Display for SpanError

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

Formats the value using the given formatter.

impl Error for SpanError

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.