write test for dns packet -> diddoc conversion

decentralized-identity · Apr 24, 2024 · 1e877eb · 1e877eb
1 parent bc8653a
commit 1e877eb
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Showing 4 changed files with 83 additions and 5 deletions.
diff --git a/packages/web5/lib/src/crypto/secp256k1.dart b/packages/web5/lib/src/crypto/secp256k1.dart
@@ -172,7 +172,15 @@ class Secp256k1 {
   }
 
   static Jwk bytesToPublicKey(Uint8List input) {
-    // TODO: implement bytesToPublicKey
-    throw UnimplementedError();
+    final xBytes = input.sublist(1, 33);
+    final yBytes = input.sublist(33, 65);
+
+    return Jwk(
+      kty: kty,
+      alg: alg,
+      crv: crv,
+      x: Base64Url.encode(xBytes),
+      y: Base64Url.encode(yBytes),
+    );
   }
 }
diff --git a/packages/web5/lib/src/dids/did_dht/converters/did_document_converter.dart b/packages/web5/lib/src/dids/did_dht/converters/did_document_converter.dart
@@ -82,8 +82,7 @@ class DidDocumentConverter {
     return DnsPacket.create(answers);
   }
 
-  static DidDocument convertDnsPacket(String did, Uint8List input) {
-    final dnsPacket = DnsPacket.decode(input);
+  static DidDocument convertDnsPacket(String did, DnsPacket dnsPacket) {
     final didDocument = DidDocument(id: did);
 
     final purposesMap = {};

diff --git a/packages/web5/lib/src/dids/did_dht/did_dht.dart b/packages/web5/lib/src/dids/did_dht/did_dht.dart
@@ -5,6 +5,7 @@ import 'dart:typed_data';
 import 'package:web5/src/crypto.dart';
 import 'package:web5/src/dids.dart';
 import 'package:web5/src/dids/did_dht/bep44.dart';
+import 'package:web5/src/dids/did_dht/dns_packet.dart';
 import 'package:web5/src/dids/did_dht/registered_types.dart';
 import 'package:web5/src/dids/did_dht/converters/did_document_converter.dart';
 import 'package:web5/src/encoders/zbase.dart';
@@ -144,8 +145,9 @@ class DidDht {
     );
 
     try {
+      final dnsPacket = DnsPacket.decode(bep44Message.v);
       final document =
-          DidDocumentConverter.convertDnsPacket(did.uri, bep44Message.v);
+          DidDocumentConverter.convertDnsPacket(did.uri, dnsPacket);
       return DidResolutionResult(didDocument: document);
     } catch (e) {
       return DidResolutionResult.withError(DidResolutionError.invalidDid);

diff --git a/packages/web5/test/dids/did_dht/converters/did_document_converter_test.dart b/packages/web5/test/dids/did_dht/converters/did_document_converter_test.dart
@@ -1,3 +1,5 @@
+import 'dart:convert';
+
 import 'package:test/test.dart';
 import 'package:web5/src/dids/did_dht/dns_packet.dart';
 import 'package:web5/src/dids/did_dht/converters/did_document_converter.dart';
@@ -77,5 +79,72 @@ void main() {
         }
       }
     });
+
+    test('convertDnsPacket', () {
+      final answers = [
+        Answer<TxtData>(
+          name: RecordName(
+            '_k0._did.hpmp9uur565nkimpwdzom7ehbuabnsba658xwwynyk7awcd15bko',
+          ),
+          type: RecordType.TXT,
+          klass: RecordClass.IN,
+          data: TxtData([
+            'id=0;t=0;k=41bfzmTftiVVbaDvBfUcDPARWDj2zvpQAgK7ijBy2FU',
+          ]),
+          ttl: 7200,
+        ),
+        Answer<TxtData>(
+          name: RecordName(
+            '_k1._did.hpmp9uur565nkimpwdzom7ehbuabnsba658xwwynyk7awcd15bko',
+          ),
+          type: RecordType.TXT,
+          klass: RecordClass.IN,
+          data: TxtData([
+            'id=sig;t=0;k=Ix9rT44QKnIjNeB51-ORlwoCbLKr-hsOYgl4gN9TzIU',
+          ]),
+          ttl: 7200,
+        ),
+        Answer<TxtData>(
+          name: RecordName(
+            '_k2._did.hpmp9uur565nkimpwdzom7ehbuabnsba658xwwynyk7awcd15bko',
+          ),
+          type: RecordType.TXT,
+          klass: RecordClass.IN,
+          data: TxtData([
+            'id=enc;t=1;k=BGAiiS0vNnoe9L9lcget6zalDDj8ZxBLwZVIa8HwzjupkA76lNJ4i190uJVelQjZ9txYbUU8pyk3axgHxyDRVH8',
+          ]),
+          ttl: 7200,
+        ),
+        Answer<TxtData>(
+          name: RecordName(
+            '_s0._did.hpmp9uur565nkimpwdzom7ehbuabnsba658xwwynyk7awcd15bko',
+          ),
+          type: RecordType.TXT,
+          klass: RecordClass.IN,
+          data: TxtData([
+            'id=dwn;t=DecentralizedWebNode;se=https://example.com/dwn2;enc=#enc;sig=#sig',
+          ]),
+          ttl: 7200,
+        ),
+        Answer<TxtData>(
+          name: RecordName(
+            '_did.hpmp9uur565nkimpwdzom7ehbuabnsba658xwwynyk7awcd15bko',
+          ),
+          type: RecordType.TXT,
+          klass: RecordClass.IN,
+          data: TxtData([
+            'v=0;vm=k0,k1,k2;auth=k0,k1;asm=k0,k1;agm=k2;del=k0;inv=k0;svc=s0',
+          ]),
+          ttl: 7200,
+        ),
+      ];
+
+      final dnsPacket = DnsPacket.create(answers);
+      final did =
+          'did:dht:hpmp9uur565nkimpwdzom7ehbuabnsba658xwwynyk7awcd15bko';
+      final didDocument = DidDocumentConverter.convertDnsPacket(did, dnsPacket);
+
+      print(didDocument.toJson());
+    });
   });
 }