@digitalcredentials/verifier-core/dist/issuerRegistries.js

For verifying Verifiable Credentials in the browser, Node.js, and React Native.

import { RegistryClient } from '@digitalcredentials/issuer-registry-client';
import { REGISTERED_ISSUER_STEP_ID } from './constants/verificationSteps.js';
const registries = new RegistryClient();
const registryNotYetLoaded = true;
/**
 * Checks to see if a VC's issuer appears in any of the known DID registries.
 *
 * @returns An object containing a list of the names of the DID registries in
 * which the issuer appears and a list of registries that couldn't be loaded
 */
export async function getTrustedRegistryListForIssuer({ issuer, knownDIDRegistries, reloadIssuerRegistry = false }) {
    let registryLoadResult = [];
    // eslint-disable-next-line no-use-before-define
    if (reloadIssuerRegistry || registryNotYetLoaded) {
        registryLoadResult = await registries.load({ config: knownDIDRegistries });
    }
    const registriesNotLoaded = registryLoadResult.filter((registry) => !registry.loaded).map(entry => { return { name: entry.name, url: entry.url }; });
    const issuerDid = typeof issuer === 'string' ? issuer : issuer.id;
    const issuerInfo = registries.didEntry(issuerDid);
    // See if the issuer DID appears in any of the known registries
    // If yes, assemble a list of registries in which it appears
    const foundInRegistries = issuerInfo?.inRegistries
        ? Array.from(issuerInfo.inRegistries).map(r => r.name)
        : [];
    return { foundInRegistries, registriesNotLoaded };
}
export async function addTrustedIssuersToVerificationResponse({ issuer, knownDIDRegistries, reloadIssuerRegistry = false, verificationResponse }) {
    const { foundInRegistries, registriesNotLoaded } = await getTrustedRegistryListForIssuer({ issuer, knownDIDRegistries, reloadIssuerRegistry });
    const registryStep = {
        "id": REGISTERED_ISSUER_STEP_ID,
        "valid": !!foundInRegistries.length,
        foundInRegistries,
        registriesNotLoaded
    };
    (verificationResponse.log ??= []).push(registryStep);
}