Struct Provenance 

pub struct Provenance {
    pub chain: Vec<TibetToken>,
}

Full provenance chain — append-only audit trail

Fields

chain: Vec<TibetToken>

Implementations

impl Provenance

pub fn new() -> Self

pub fn append(&mut self, token: TibetToken)

pub fn latest(&self) -> Option<&TibetToken>

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn verify_chain(&self) -> bool

Verify the chain is unbroken: each token’s parent_id matches the previous token_id

Trait Implementations

impl Clone for Provenance

fn clone(&self) -> Provenance

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Provenance

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

Formats the value using the given formatter.

impl Default for Provenance

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Provenance

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Provenance

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.