Enum akd::errors::HistoryTreeNodeError

pub enum HistoryTreeNodeError {
    NoDirectionInSettingChild(u64, u64),
    DirectionIsNone,
    NoChildInTreeAtEpoch(u64, usize),
    NoChildrenInTreeAtEpoch(u64),
    InvalidEpochForUpdatingHash(u64),
    TriedToUpdateParentOfRoot,
    ParentNextEpochInvalid(u64),
    HashUpdateOnlyAllowedAfterNodeInsertion,
    TriedToHashLeafChildren,
    NodeCreatedWithoutEpochs(u64),
    LeafNodeLabelLenLessThanInterior(NodeLabel),
    CompressionError(NodeLabel),
    NodeDidNotExistAtEp(NodeLabel, u64),
    NodeDidNotHaveExistingStateAtEp(NodeLabel, u64),
    StorageError(StorageError),
    SerializationError,
}

Errors thown by HistoryTreeNodes

Variants

NoDirectionInSettingChild(u64, u64)

Tuple Fields

0: u64

1: u64

Tried to set a child and the direction given was none.

DirectionIsNone

Direction is unexpectedly None

NoChildInTreeAtEpoch(u64, usize)

Tuple Fields

0: u64

1: usize

The node didn’t have a child in the given epoch

NoChildrenInTreeAtEpoch(u64)

Tuple Fields

0: u64

The node had no children at the given epoch

InvalidEpochForUpdatingHash(u64)

Tuple Fields

0: u64

The hash was being updated for an invalid epoch

TriedToUpdateParentOfRoot

Tried to update the parent of the root, which should not be done

ParentNextEpochInvalid(u64)

Tuple Fields

0: u64

The next epoch of this node’s parent was invalid

HashUpdateOnlyAllowedAfterNodeInsertion

The hash of a parent was attempted to be updated, without setting the calling node as a child.

TriedToHashLeafChildren

The children of a leaf are always dummy and should not be hashed

NodeCreatedWithoutEpochs(u64)

Tuple Fields

0: u64

The list of epochs for a given node was empty

LeafNodeLabelLenLessThanInterior(NodeLabel)

Tuple Fields

0: NodeLabel

The label of a leaf node was shorter than that of an interior node.

CompressionError(NodeLabel)

Tuple Fields

0: NodeLabel

Error compressing the Merkle trie

NodeDidNotExistAtEp(NodeLabel, u64)

Tuple Fields

0: NodeLabel

1: u64

Tried to access something about the node at an epoch that didn’t exist.

NodeDidNotHaveExistingStateAtEp(NodeLabel, u64)

Tuple Fields

0: NodeLabel

1: u64

The state of a node did not exist at a given epoch

StorageError(StorageError)

Tuple Fields

0: StorageError

Error propogation

SerializationError

Error propogation

Trait Implementations

impl Debug for HistoryTreeNodeError

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

Formats the value using the given formatter.

impl Display for HistoryTreeNodeError

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

Formats the value using the given formatter.

impl From<HistoryTreeNodeError> for AkdError

fn from(error: HistoryTreeNodeError) -> Self

Performs the conversion.

impl From<StorageError> for HistoryTreeNodeError

fn from(error: StorageError) -> Self

Performs the conversion.