VerifyingKeyProvider

cat_gateway::service::api::documents::common

Struct VerifyingKeyProvider 

Source 
pub(crate) struct VerifyingKeyProvider(HashMap<CatalystId, VerifyingKey>);
Expand description

A struct which implements a catalyst_signed_doc::providers::CatalystSignedDocumentProvider trait

Tuple Fields§

§0: HashMap<CatalystId, VerifyingKey>

Implementations§

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impl VerifyingKeyProvider

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pub(crate) async fn try_from_kids( token: &mut CatalystRBACTokenV1, kids: &[CatalystId], ) -> Result<Self>

Attempts to construct an instance of Self by validating and resolving a list of Catalyst Document KIDs against a provided RBAC token.

This method performs the following steps:

  1. Verifies that only a single KID is provided with a document (as multi-signature is currently unsupported).
  2. Verifies that all provided KIDs match the Catalyst ID from the RBAC token.
  3. Verifies that each provided KID is actually a signing key.
  4. Extracts the role index and rotation from each KID.
  5. Retrieves the latest signing public key and rotation state associated with the role for each KID from the registration chain.
  6. Verifies that each provided KID uses its latest rotation.
  7. Collects and returns a vector of tuples containing the KID, and its latest signing key.
§Errors

Returns an anyhow::Error if:

  • Any KID’s short Catalyst ID does not match the one in the token.
  • Indexed registration queries or chain building fail.
  • The KID’s role index and rotation parsing fails.
  • The KID is not a singing key.
  • The latest signing key for a required role cannot be found.
  • The KID is not using the latest rotation.

Trait Implementations§

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impl VerifyingKeyProvider for VerifyingKeyProvider

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async fn try_get_key(&self, kid: &CatalystId) -> Result<Option<VerifyingKey>>

Try to get VerifyingKey

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