fix: DIDDoc Service Endpoint with origins key support

pkg/common/model/endpoint.go

@@ -100,6 +100,13 @@ func (s *Endpoint) URI() (string, error) {
 			return string(o[0]), nil
 		case []interface{}:
 			return fmt.Sprintf("%s", o[0]), nil
+		case map[string]interface{}:
+			switch uri := o["origins"].(type) {
+			case []interface{}:
+				return fmt.Sprintf("%s", uri[0]), nil
+			default:
+				return "", fmt.Errorf("unrecognized DIDCore origins object %s", o)
+			}
 		default:
 			return "", fmt.Errorf("unrecognized DIDCore endpoint object %s", o)
 		}

pkg/common/model/endpoint_test.go

@@ -90,6 +90,14 @@ func TestEndpoint_MarshalUnmarshalJSON(t *testing.T) {
 			expectedValue: []byte(`["some random endpoint","some other endpoint"]`),
 			err:           nil,
 		},
+		{
+			name: "marshal random DIDCore Endpoint (neither DIDcomm V1 nor V2) as map[string]interface{}",
+			endpoint: Endpoint{
+				rawObj: map[string]interface{}{"origins": []interface{}{"some random endpoint"}},
+			},
+			expectedValue: []byte(`{"origins":["some random endpoint"]}`),
+			err:           nil,
+		},
 	}
 
 	for _, tc := range testCases {