use string instead of number data type for idx

Signed-off-by: Kent Bull <kent@kentbull.com>

Author: kentbull

src/dws/core/didding.py

@@ -361,7 +361,7 @@ def get_witness_list(baser: Baser, kever: Kever):
     witness_list = []
     for idx, eid in enumerate(kever.wits):
         for (tid, scheme), loc in baser.locs.getItemIter(keys=(eid,)):
-            witness_list.append(dict(idx=idx, scheme=scheme, url=loc.url))
+            witness_list.append(dict(idx=str(idx), scheme=scheme, url=loc.url))
     return witness_list
 
 

tests/dws/core/test_didding.py

@@ -672,8 +672,8 @@ def test_generate_did_doc_single_sig_meta(mock_helping_now_utc):
         'didResolutionMetadata': {'contentType': 'application/did+json', 'retrieved': '2021-01-01T00:00:00Z'},
         'didDocumentMetadata': {
             'witnesses': [
-                {'idx': 0, 'scheme': 'some_key_witness1', 'url': 'tcp://127.0.0.1:5632/'},
-                {'idx': 1, 'scheme': 'some_key_witness2', 'url': 'tcp://127.0.0.1:5633/'},
+                {'idx': '0', 'scheme': 'some_key_witness1', 'url': 'tcp://127.0.0.1:5632/'},
+                {'idx': '1', 'scheme': 'some_key_witness2', 'url': 'tcp://127.0.0.1:5633/'},
             ],
             'versionId': '0',
             'equivalentId': [],