Create a Verifiable Credential

1. Install

npm install @extrimian/vc-core

2. Create a credential

To create your first credential you must have created a DID and its keys saved in the KMS storage. If you haven't done this yet go to the previous section Creation of a DID.

import { VerifiableCredentialService } from "@extrimian/vc-core";

const vcService = new VerifiableCredentialService();

const credential = await vcService.createCredential({
  context: [
    "https://w3id.org/vaccination/v1",
    "https://w3id.org/security/v2",
    "https://w3id.org/security/bbs/v1",
  ],
  vcInfo: {
    issuer: "did:quarkid:zksync:EiCvhchHLnK1HOM1vlQJTSW0TotsNfe34zFbGXisg3fMzA",
    expirationDate: new Date("2026/05/05"),
    id: "123456789",
    types: ["VaccinationCertificate"],
  },
  data: {
    type: "VaccinationEvent",
    batchNumber: "1183738569",
    administeringCentre: "MoH",
    healthProfessional: "MoH",
    countryOfVaccination: "NZ",
    recipient: {
      type: "VaccineRecipient",
      givenName: "JOHN",
      familyName: "SMITH",
      gender: "Male",
      birthDate: "1958-07-17",
    },
    vaccine: {
      type: "Vaccine",
      disease: "COVID-19",
      atcCode: "J07BX03",
      medicinalProductName: "COVID-19 Vaccine Moderna",
      marketingAuthorizationHolder: "Moderna Biotech",
    },
  },
  mappingRules: null,
});

3. Test

console.log(credential);