dpp-domain 0.13.0

EU Digital Product Passport domain types, port traits, and open-core boundary
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//! `IdentityPort` — async trait for passport signing and JWS verification.

use async_trait::async_trait;

use crate::domain::{error::DppError, identity::SignedCredential, passport::PassportId};

/// Port trait for identity operations — signing and DID management.
#[async_trait]
pub trait IdentityPort: Send + Sync {
    /// Sign the canonical JSON payload for a passport, returning a compact JWS.
    async fn sign_passport(
        &self,
        passport_id: PassportId,
        payload: &serde_json::Value,
    ) -> Result<SignedCredential, DppError>;

    /// Verify a JWS signature against the issuer's published DID document.
    async fn verify_signature(
        &self,
        jws: &str,
        payload: &serde_json::Value,
    ) -> Result<bool, DppError>;

    /// Fetch this node's own current `did:web` document — the same document
    /// external verifiers resolve, snapshotted for embedding in an evidence
    /// dossier so a verifier checks signatures against the exact document
    /// current at generation time.
    async fn own_did_document(&self) -> Result<serde_json::Value, DppError>;
}