Merge pull request #172 from identity-com/handling_presentations_from…

…JSON

Handling presentations from json

__test__/creds/VerifiableCredential.test.js

@@ -9,6 +9,7 @@ const credentialDefinitions = require('../../src/creds/definitions');
 const SchemaGenerator = require('../../src/schemas/generator/SchemaGenerator');
 const MiniCryptoManagerImpl = require('../../src/services/MiniCryptoManagerImpl');
 const CredentialSignerVerifier = require('../../src/creds/CredentialSignerVerifier');
+const filteredCredentialJson = require('./fixtures/filteredIdDocument-v2.json');
 
 // eslint-disable-next-line max-len
 const prvBase58 = 'xprv9s21ZrQH143K4aBUwUW6GVec7Y6oUEBqrt2WWaXyxjh2pjofNc1of44BLufn4p1t7Jq4EPzm5C9sRxCuBYJdHu62jhgfyPm544sNjtH7x8S';
@@ -390,6 +391,17 @@ describe('Unit tests for Verifiable Credentials', () => {
         issueCountry, placeOfBirth, dateOfBirth, dateOfExpiry, nationality, evidences], '1',
     );
     expect(credential).toBeDefined();
+    const filtered = credential.filter(['claim-cvc:Document.dateOfBirth-v1']);
+    expect(filtered).toBeDefined();
+  });
+
+  it('Should hydrate a partial presentation', () => {
+    const presentation = VC.fromJSON(filteredCredentialJson, true);
+    expect(presentation).toBeDefined();
+
+    expect(() => {
+      VC.fromJSON(filteredCredentialJson);
+    }).toThrow();
   });
 
   it('Should create alt:Identity-v1 credential', () => {

__test__/creds/fixtures/filteredIdDocument-v2.json

@@ -0,0 +1,53 @@
+{
+  "id": "f471b5f8-6ad6-4782-968d-f2924145fa54",
+  "issuer": "",
+  "issuanceDate": "2021-05-26T20:11:12.082Z",
+  "identifier": "credential-cvc:IdDocument-v2",
+  "expirationDate": null,
+  "version": "1",
+  "type": [
+    "Credential",
+    "credential-cvc:IdDocument-v2"
+  ],
+  "transient": false,
+  "claim": {
+    "document": {
+      "dateOfBirth": {
+        "day": 20,
+        "month": 3,
+        "year": 1978
+      }
+    }
+  },
+  "proof": {
+    "type": "CvcMerkleProof2018",
+    "merkleRoot": "9d424cbc30d418ed42f1b1031fa4fdef273e6b371637b4c8e5184a566b9d27cc",
+    "anchor": "TBD (Civic Blockchain Attestation)",
+    "leaves": [
+      {
+        "identifier": "claim-cvc:Document.dateOfBirth-v1",
+        "value": "urn:dateOfBirth.day:f0bbfa2a35fc0dfa27a2620691feedde6fff1c522817b546e730740f7339354d:20|urn:dateOfBirth.month:75e6e5fa1f03d6b985862e7ad1467405e0c482df64e6ed1692312aaba7d4d951:3|urn:dateOfBirth.year:c4d7200e945ef41009be24127cdd394d17a7bc0330d3b1b19270372543ff6517:1978|",
+        "claimPath": "document.dateOfBirth",
+        "targetHash": "3fdb18a8022d009da8eda7b353ebfdaad91ad4d6256f647e174ac16448d42f6d",
+        "node": [
+          {
+            "left": "72e6f2e8c817048bb82442371202c9c078cabbacb7739ce4781f68855b362ca8"
+          },
+          {
+            "right": "aae76d0dd2b272496a4ccc799cd60a329da4d78742b9e4f8792c4a3b4259d414"
+          },
+          {
+            "right": "9c4a9d7c1d1a76dd3c8aa274d6cf8de8cd5ed4658162c84db409e8c0dab422ea"
+          },
+          {
+            "left": "03024ff54437b7d65ad908229977e8603f3f5451a611ec88235775db23d522f5"
+          },
+          {
+            "right": "b8dc070cacd5d604ec328cfee7d396e3a6ba5011a616049126d37460f7280154"
+          }
+        ]
+      }
+    ]
+  },
+  "granted": null
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@identity.com/credential-commons",
-  "version": "1.2.6",
+  "version": "1.2.7",
   "author": "Identity.com Community",
   "license": "MIT",
   "description": "Verifiable Credential and Attestation Library",
@@ -61,7 +61,7 @@
     "jest-html-reporter": "^2.3.0",
     "request-debug": "^0.2.0",
     "rimraf": "^2.6.2",
-    "ajv": "^6.5.2"
+    "ajv": "^7.2.4"
   },
   "dependencies": {
     "@identity.com/uca": "github:civicteam/uca",

src/creds/VerifiableCredential.js

@@ -746,11 +746,13 @@ VerifiableCredentialBaseConstructor.isMatchCredentialMeta = isMatchCredentialMet
  * @param {*} verifiableCredentialJSON
  * @returns VerifiableCredentialBaseConstructor
  */
-VerifiableCredentialBaseConstructor.fromJSON = (verifiableCredentialJSON) => {
+VerifiableCredentialBaseConstructor.fromJSON = (verifiableCredentialJSON, partialPresentation = false) => {
   const definition = getCredentialDefinition(verifiableCredentialJSON.identifier,
     verifiableCredentialJSON.version);
 
-  verifyRequiredClaimsFromJSON(definition, verifiableCredentialJSON);
+  if (!partialPresentation) {
+    verifyRequiredClaimsFromJSON(definition, verifiableCredentialJSON);
+  }
 
   const newObj = new VerifiableCredentialBaseConstructor(verifiableCredentialJSON.identifier,
     verifiableCredentialJSON.issuer);