jsonld-signatures-bbsproof-test.js

const {
  BbsBlsSignatureProof2020,
} = require("@mattrglobal/jsonld-signatures-bbs");
const {
  extendContextLoader,
  purposes,
  verify,
  sign,
} = require("jsonld-signatures");
const { documentLoaders } = require("jsonld");

const keyPairOptions = {
  id: "did:example:489398593#test",
  controller: "did:example:489398593",
  privateKeyBase58: "5D6Pa8dSwApdnfg7EZR8WnGfvLDCZPZGsZ5Y1ELL9VDj",
  publicKeyBase58:
    "oqpWYKaZD9M1Kbe94BVXpr8WTdFBNZyKv48cziTiQUeuhm7sBhCABMyYG4kcMrseC68YTFFgyhiNeBKjzdKk9MiRWuLv5H4FFujQsQK2KTAtzU8qTBiZqBHMmnLF4PL7Ytu",
};

const exampleControllerDoc = {
  "@context": "https://w3id.org/security/v2",
  id: "did:example:489398593",
  assertionMethod: ["did:example:489398593#test"],
};

// cached contexts
const peerReviewContext = {
  "@context": {
    "@version": 1.1,
    "@protected": true,
    schema: "http://schema.org/",
    PeerReviewCredential: {
      "@id":
        "https://raw.githubusercontent.com/kuzdogan/peer-review-verifiable-credentials-thesis/main/code/PeerReviewVC.json#PeerReviewCredential",
      "@context": {
        "@version": 1.1,
        "@protected": true,
        id: "@id",
        type: "@type",
        description: "schema:description",
        name: "schema:name",
      },
    },
    PeerReview: {
      "@id":
        "https://raw.githubusercontent.com/kuzdogan/peer-review-verifiable-credentials-thesis/main/code/PeerReviewVC.json#PeerReview",
      "@context": {
        "@version": 1.1,
        "@protected": true,
        id: "@id",
        type: "@type",
        title: "schema:headline",
        content: "schema:text",
        reviewDate: "schema:dateCreated",
        competingInterestStatement: "schema:Text",
        recommendation: "schema:Recommendation",
        journal: {
          "@id":
            "https://raw.githubusercontent.com/kuzdogan/peer-review-verifiable-credentials-thesis/main/code/PeerReviewVC.json#journal",
          "@context": {
            "@version": 1.1,
            "@protected": true,
            id: "@id",
            type: "@type",
            name: "schema:name",
            issn: "schema:issn",
          },
        },
        manuscript: {
          "@id":
            "https://raw.githubusercontent.com/kuzdogan/peer-review-verifiable-credentials-thesis/main/code/PeerReviewVC.json#manuscript",
          "@context": {
            "@version": 1.1,
            "@protected": true,
            id: "@id",
            type: "@type",
            title: "schema:headline",
            abstract: "schema:abstract",
          },
        },
        author:
          "https://raw.githubusercontent.com/kuzdogan/peer-review-verifiable-credentials-thesis/main/code/PeerReviewVC.json#author",
      },
    },
    PeerReviewAuthor: {
      "@id":
        "https://raw.githubusercontent.com/kuzdogan/peer-review-verifiable-credentials-thesis/main/code/PeerReviewVC.json#PeerReviewAuthor",
      "@context": {
        "@version": 1.1,
        "@protected": true,
        id: "@id",
        type: "@type",
        givenName: "schema:givenName",
        familyName: "schema:familyName",
        institution: "schema:Organization",
        email: "schema:email",
      },
    },
  },
};

// _main();

// cached contexts
const contexts = {
  "did:example:489398593#test": keyPairOptions,
  "did:example:489398593": exampleControllerDoc,
  "https://raw.githubusercontent.com/kuzdogan/peer-review-verifiable-credentials-thesis/main/code/PeerReview.json":
    peerReviewContext,
};

const customDocLoader = (url) => {
  const context = contexts[url];

  if (context) {
    console.log(`Found cached ${url}, not requesting`);
    return {
      contextUrl: null, // this is for a context via a link header
      document: context, // this is the actual document that was loaded
      documentUrl: url, // this is the actual context URL after redirects
    };
  }
  return documentLoaders.node()(url);
};
const documentLoader = extendContextLoader(customDocLoader);

const temp = {
  "@context": [
    "https://www.w3.org/2018/credentials/v1",
    "https://raw.githubusercontent.com/kuzdogan/peer-review-verifiable-credentials-thesis/main/code/PeerReview.json",
    "https://w3id.org/security/bbs/v1",
  ],
  id: "http://localhost:3000/reviews/609ac62276bfdce844d8ee6c/credential",
  type: ["PeerReviewCredential", "VerifiableCredential"],
  description:
    "A Verifiable Credential representing a peer review that is done for a scholarly article.",
  name: "Peer Review Credential version 0.1",
  credentialSubject: {
    id: "http://localhost:3000/users/609ac62276bfdce844d8ee6c",
    type: "PeerReview",
    competingInterestStatement: "No competing interests",
    author: {
      id: "orcid:0000-0001-7223-2669",
      type: "PeerReviewAuthor",
      email: "alice@test.com",
    },
    journal: {
      id: "http://localhost:3000",
      issn: "2046-1402",
      name: "International Journal of X",
    },
  },
  issuanceDate: "2021-05-11T23:28:18.849Z",
  issuer: "did:example:489398593",
  proof: {
    type: "BbsBlsSignatureProof2020",
    created: "2021-05-11T23:28:18Z",
    nonce:
      "NxeHm6Dx0rEjVf8LguPDssE55ZhQryDnN9sbwG6Famiq/Jq018/Vye9dNlmQmKFmJpM=",
    proofPurpose: "assertionMethod",
    proofValue:
      "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",
    verificationMethod: "did:example:489398593#test",
  },
};

async function verifySelectiveDisclosedCredential(derivedProof) {
  const verified = await verify(temp, {
    suite: new BbsBlsSignatureProof2020(),
    purpose: new purposes.AssertionProofPurpose(),
    documentLoader,
  });
  console.log(verified);
  return verified;
}

verifySelectiveDisclosedCredential();