verification flow in wallet-sdk

packages/core/src/credential-provider.ts

@@ -0,0 +1,17 @@
+import {IWallet} from './types';
+
+export interface ICredentialProvider {
+  getCredentials(type?: string): any;
+}
+
+export function createCredentialProvider({wallet}: {wallet: IWallet}) {
+  function getCredentials(type: string = 'VerifiableCredential') {
+    return wallet.getDocumentsByType(type);
+  }
+
+  return {
+    getCredentials,
+    // TODO: move credential validity check to this provider
+    // TODO: move import credential from json or URL to this provider
+  };
+}

packages/core/src/fixtures/customer-credential.json

@@ -0,0 +1,39 @@
+{
+  "@context": [
+    "https://www.w3.org/2018/credentials/v1",
+    {
+      "dk": "https://ld.dock.io/credentials#",
+      "CustomerCredential": "dk:CustomerCredential",
+      "name": "dk:name",
+      "email": "dk:email",
+      "dateOfBirth": "dk:dateOfBirth",
+      "phone": "dk:phone",
+      "description": "dk:description",
+      "logo": "dk:logo"
+    }
+  ],
+  "id": "https://creds-testnet.dock.io/986dccbe32eb61a0abb9678fd51aca796caa3d9f72088f66d60c9495b3d71174",
+  "type": ["VerifiableCredential", "CustomerCredential"],
+  "credentialSubject": {
+    "id": "did:key:z6MkoQzWru66w91EH7U9Xsv5eYXQabw9U3ZJd5GkatMWkmZT",
+    "name": "Alice Doe",
+    "email": "[email protected]",
+    "dateOfBirth": "1990-01-01",
+    "phone": "555-555-5555"
+  },
+  "issuanceDate": "2023-08-09T13:16:08.991Z",
+  "issuer": {
+    "name": "Test123",
+    "description": "",
+    "logo": "",
+    "id": "did:dock:5CgR1iELH33Qm8CN7LLXiEdTnrPTFKHgdxZgTuDwxgiyokjB"
+  },
+  "name": "Customer Credential",
+  "proof": {
+    "type": "Ed25519Signature2018",
+    "created": "2023-08-09T13:16:09Z",
+    "verificationMethod": "did:dock:5CgR1iELH33Qm8CN7LLXiEdTnrPTFKHgdxZgTuDwxgiyokjB#keys-1",
+    "proofPurpose": "assertionMethod",
+    "jws": "eyJhbGciOiJFZERTQSIsImI2NCI6ZmFsc2UsImNyaXQiOlsiYjY0Il19..2NJhT4Kx8W-q0pws4y86zsWMDkFrXz6Sfb5XRrJO_aRhvzhDZLsbXqvtRzRgGIrJKCBvTEDNiKBCicKT9f8hDA"
+  }
+}

packages/core/src/helpers.ts

@@ -1,3 +1,6 @@
+import axios from 'axios';
+import assert from 'assert';
+
 function isURL(str) {
   try {
     // eslint-disable-next-line no-new
@@ -8,4 +11,20 @@ function isURL(str) {
   }
 }
 
-export function getJSONOrUrl(data) {}
+export function getJSONFromURL(url: string) {
+  return axios.get(url).then(res => res.data);
+}
+
+export function getJSON(jsonOrURL: string | any) {
+  assert(!!jsonOrURL, 'jsonOrURL is required');
+
+  if (typeof jsonOrURL === 'object') {
+    return jsonOrURL;
+  }
+
+  if (typeof jsonOrURL === 'string' && isURL(jsonOrURL)) {
+    return getJSONFromURL(jsonOrURL);
+  }
+
+  throw new Error(`Invalid data ${jsonOrURL}`);
+}

packages/core/src/verification-provider.test.ts

@@ -1,25 +1,89 @@
 import {IWallet} from './types';
 import {createVerificationProvider} from './verification-provider';
 import {createWallet} from './wallet';
+import customerCredentialJSON from './fixtures/customer-credential.json';
 
 describe('Verification provider', () => {
   let verificationProvider;
   let wallet: IWallet;
+  const verificationTemplateJSON = {
+    qr: 'https://creds-testnet.dock.io/proof/6de279ba-caf3-4979-a067-553284b40767',
+    id: '6de279ba-caf3-4979-a067-553284b40767',
+    name: 'Any credential',
+    nonce: 'b75fab9a5006216173500bfd3df5d0c5',
+    created: '2023-08-09T20:19:46.278Z',
+    updated: '2023-08-09T20:19:46.278Z',
+    verified: false,
+    response_url:
+      'https://api-testnet.dock.io/proof-requests/6de279ba-caf3-4979-a067-553284b40767/send-presentation',
+    request: {
+      id: '6de279ba-caf3-4979-a067-553284b40767',
+      input_descriptors: [
+        {
+          id: 'Credential 1',
+          name: 'Any credential',
+          purpose: 'Any credential',
+          constraints: {
+            fields: [
+              {
+                path: ['$.id'],
+              },
+            ],
+          },
+        },
+      ],
+    },
+    type: 'proof-request',
+  };
 
   beforeAll(async () => {
     wallet = await createWallet({
       databasePath: ':memory:',
     });
+
+    await wallet.addDocument(customerCredentialJSON);
+
     verificationProvider = createVerificationProvider({
       wallet,
     });
   });
 
-  it('expect to create verification controller', () => {
-    const controller = verificationProvider.start({
-      template: 'https://creds-testnet.dock.io/proof/6de279ba-caf3-4979-a067-553284b40767',
+  it('expect to create verification controller and fetch template JSON', async () => {
+    const controller = await verificationProvider.start({
+      template:
+        'https://creds-testnet.dock.io/proof/6de279ba-caf3-4979-a067-553284b40767',
+    });
+
+    expect(controller.getTemplateJSON()).toEqual(verificationTemplateJSON);
+  });
+
+  it('expect to load credentials for a given template', async () => {
+    const controller = await verificationProvider.start({
+      template:
+        'https://creds-testnet.dock.io/proof/6de279ba-caf3-4979-a067-553284b40767',
+    });
+
+    await controller.loadCredentials();
+
+    expect(controller.getFilteredCredentials()).toEqual([
+      customerCredentialJSON,
+    ]);
+  });
+
+  it('expect to load credentials and generate presentation for a selected credential', async () => {
+    const controller = await verificationProvider.start({
+      template:
+        'https://creds-testnet.dock.io/proof/6de279ba-caf3-4979-a067-553284b40767',
     });
 
-    console.log(controller);
+    await controller.loadCredentials();
+    const credentials = controller.getFilteredCredentials();
+
+    // select the first credential in the filtered list
+    controller.setSelectedCredentialIds([credentials[0].id]);
+
+    const presentation = await controller.createPresentation();
+
+    expect(presentation).toEqual([]);
   });
 });