From 8bf420c2840e1c67d8b374bd1308550e01790fc5 Mon Sep 17 00:00:00 2001
From: Kayode Ezike <kezike13@gmail.com>
Date: Sat, 9 Mar 2024 18:15:46 -0500
Subject: [PATCH] adds data integrity context

---
 package.json          |  1 +
 src/declarations.d.ts |  1 +
 src/documentLoader.ts | 36 ++++++++++++++++++++++--------------
 3 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/package.json b/package.json
index 2d7214a..09de6c5 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
   },
   "dependencies": {
     "@digitalbazaar/credentials-v2-context": "github:digitalbazaar/credentials-v2-context#main",
+    "@digitalbazaar/data-integrity-context": "^2.0.0",
     "@digitalbazaar/http-client": "^4.1.0",
     "@digitalbazaar/vc-bitstring-status-list-context": "^1.0.0",
     "@digitalbazaar/vc-status-list-context": "^3.0.1",
diff --git a/src/declarations.d.ts b/src/declarations.d.ts
index 5891de2..0dfc00c 100644
--- a/src/declarations.d.ts
+++ b/src/declarations.d.ts
@@ -6,6 +6,7 @@ declare module '@digitalbazaar/vc-bitstring-status-list-context';
 declare module '@digitalcredentials/vc-status-list';
 declare module '@digitalbazaar/vc-status-list-context';
 declare module '@digitalcredentials/vpqr';
+declare module '@digitalbazaar/data-integrity-context';
 declare module '@digitalcredentials/ed25519-verification-key-2020';
 declare module '@digitalcredentials/ed25519-signature-2020';
 declare module '@digitalcredentials/http-client';
diff --git a/src/documentLoader.ts b/src/documentLoader.ts
index 298049a..3d8b437 100644
--- a/src/documentLoader.ts
+++ b/src/documentLoader.ts
@@ -5,20 +5,21 @@ import * as didKey from '@digitalcredentials/did-method-key';
 import * as didWeb from '@interop/did-web-resolver';
 import * as vc1Context from 'credentials-context';
 import * as vc2Context from '@digitalbazaar/credentials-v2-context';
-import * as vcBitstringStatusListCtx from '@digitalbazaar/vc-bitstring-status-list-context';
-import vcStatusListCtx from '@digitalbazaar/vc-status-list-context';
+import * as vcBitstringStatusListContext from '@digitalbazaar/vc-bitstring-status-list-context';
+import vcStatusListContext from '@digitalbazaar/vc-status-list-context';
+import dataIntegrityContext from '@digitalbazaar/data-integrity-context';
 import { Ed25519VerificationKey2020 }
   from '@digitalcredentials/ed25519-verification-key-2020';
 import { X25519KeyAgreementKey2020 }
   from '@digitalcredentials/x25519-key-agreement-key-2020';
 import { CachedResolver } from '@digitalcredentials/did-io';
-import dccCtx from '@digitalcredentials/dcc-context';
+import dccContext from '@digitalcredentials/dcc-context';
 import didContext from 'did-context';
 import ed25519 from 'ed25519-signature-2020-context';
 import x25519 from 'x25519-key-agreement-2020-context';
 import { JsonLdDocumentLoader } from 'jsonld-document-loader';
 import { CryptoLD } from '@digitalcredentials/crypto-ld';
-import obCtx from '@digitalcredentials/open-badges-context';
+import obContext from '@digitalcredentials/open-badges-context';
 import { httpClient } from '@digitalbazaar/http-client';
 import { parseResponseBody } from './parseResponse';
 
@@ -82,44 +83,51 @@ interface SecurityLoaderParams {
 export function securityLoader({ fetchRemoteContexts = false, useOBv3BetaContext = false }: SecurityLoaderParams = {}): IJsonLdDocumentLoader {
   const loader: IJsonLdDocumentLoader = new JsonLdDocumentLoader();
 
+  // Ed25519 Signature 2020 Context
   loader.addStatic(
     ed25519.constants.CONTEXT_URL,
     ed25519.contexts.get(ed25519.constants.CONTEXT_URL),
   );
 
+  // X25519 Key Agreement 2020 Context
   loader.addStatic(
     x25519.constants.CONTEXT_URL,
     x25519.contexts.get(x25519.constants.CONTEXT_URL),
   );
 
+  // DID Context
   loader.addStatic(
     didContext.constants.DID_CONTEXT_URL,
     didContext.contexts.get(didContext.constants.DID_CONTEXT_URL),
   );
 
-  // Verifiable Credentials Data Model 1.0
+  // Verifiable Credentials Data Model 1.0 Context
   loader.addStatic(vc1Context.CONTEXT_URL, vc1Context.CONTEXT);
 
-  // Verifiable Credentials Data Model 2.0 - BETA / non-final
+  // Verifiable Credentials Data Model 2.0 Context - BETA / non-final
   loader.addStatic(vc2Context.CONTEXT_URL, vc2Context.CONTEXT);
 
-  loader.addStatic(dccCtx.CONTEXT_URL_V1, dccCtx.CONTEXT_V1);
+  // Data Integrity Context
+  loader.addStatic(dataIntegrityContext.CONTEXT_URL, dataIntegrityContext.CONTEXT);
 
-  // Bitstring Status List
-  loader.addStatic(vcBitstringStatusListCtx.CONTEXT_URL, vcBitstringStatusListCtx.CONTEXT);
+  // DCC Context
+  loader.addStatic(dccContext.CONTEXT_URL_V1, dccContext.CONTEXT_V1);
 
-  // Status List 2021 (DEPRECATED)
-  loader.addStatic(vcStatusListCtx.CONTEXT_URL_V1, vcStatusListCtx.CONTEXT_V1);
+  // Bitstring Status List Context
+  loader.addStatic(vcBitstringStatusListContext.CONTEXT_URL, vcBitstringStatusListContext.CONTEXT);
+
+  // Status List 2021 Context (DEPRECATED)
+  loader.addStatic(vcStatusListContext.CONTEXT_URL_V1, vcStatusListContext.CONTEXT_V1);
 
   // Open Badges v3 Contexts, includes OBv3 Beta, 3.0, 3.0.1, 3.0.2, etc.
-  for (const [url, contextBody] of obCtx.contexts) {
+  for (const [url, contextBody] of obContext.contexts) {
     loader.addStatic(url, contextBody)
   }
 
   if (useOBv3BetaContext) {
     // Workaround to validate legacy OBv3 BETA context VCs
-    loader.addStatic(obCtx.CONTEXT_URL_V3_0_0,
-      obCtx.contexts.get(obCtx.CONTEXT_URL_V3_BETA))
+    loader.addStatic(obContext.CONTEXT_URL_V3_0_0,
+      obContext.contexts.get(obContext.CONTEXT_URL_V3_BETA))
   }
 
   loader.setDidResolver(resolver);