update code, add tests

jonhealy1 · jonhealy1 · commit 43b840d019a8 · 2024-11-16T13:30:03.000+08:00
diff --git a/example_catalog/catalog.json b/example_catalog/catalog.json
@@ -63,6 +63,6 @@
       "*"
     ],
     "ordering": "ascending",
-    "description": "Computed by including merkle:object_hash values in ascending order and building the Merkle tree."
+    "description": "Computed by excluding Merkle fields and including merkle:object_hash values in ascending order to build the Merkle tree."
   }
 }
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101212T230244_20140325T230302_ADS_000000_1jTi.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101212T230244_20140325T230302_ADS_000000_1jTi.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-12T23:02:44.000000Z",
     "end_datetime": "2014-03-25T23:03:02.000000Z",
     "start_datetime": "2010-12-12T23:02:44.000000Z",
-    "merkle:object_hash": "f89779ccd725c06a7758f0e855292316820b0bff1625aacd6270d5c1e915ab87"
+    "merkle:object_hash": "ce9f56e695ab1751b8f0c8d9ef1f1ecedaf04574ec3077e70e7426ec9fc61ea4"
   },
   "bbox": [
     99,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101212T230244_20140329T113710_ADS_000000_eAmG.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101212T230244_20140329T113710_ADS_000000_eAmG.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-12T23:02:44.000000Z",
     "end_datetime": "2014-03-29T11:37:10.000000Z",
     "start_datetime": "2010-12-12T23:02:44.000000Z",
-    "merkle:object_hash": "37c33cc7213eb078b049780c7e0fee217241588e9c3ea134ac97f57e62ea6cca"
+    "merkle:object_hash": "ac66e07717b56e8421c8fec00b2b300afd49d30a8ec9c6d505df3b0568de9c77"
   },
   "bbox": [
     100,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T103647_20130405T103047_ADS_000000_RHJx.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T103647_20130405T103047_ADS_000000_RHJx.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-15T10:36:47.000000Z",
     "end_datetime": "2013-04-05T10:30:47.000000Z",
     "start_datetime": "2010-12-15T10:36:47.000000Z",
-    "merkle:object_hash": "32c8198df8d0168b595fa57ad528d7443c2705200a2fe91a685de891bffdefea"
+    "merkle:object_hash": "39969fd5f4a3a170ff39df8f2c13ebca66aab40890275a94ce798e281b85d54d"
   },
   "bbox": [
     98,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T103647_20130405T103047_ADS_000000_oCX9.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T103647_20130405T103047_ADS_000000_oCX9.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-15T10:36:47.000000Z",
     "end_datetime": "2013-04-05T10:30:47.000000Z",
     "start_datetime": "2010-12-15T10:36:47.000000Z",
-    "merkle:object_hash": "32c8198df8d0168b595fa57ad528d7443c2705200a2fe91a685de891bffdefea"
+    "merkle:object_hash": "22a31ab988181f280a0bfc6872556ad1d670373bd997f711389d057e1b1f531a"
   },
   "bbox": [
     100,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T203649_20140913T090954_ADS_000000_4KBA.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T203649_20140913T090954_ADS_000000_4KBA.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-15T20:36:49.000000Z",
     "end_datetime": "2014-09-13T09:09:54.000000Z",
     "start_datetime": "2010-12-15T20:36:49.000000Z",
-    "merkle:object_hash": "24ba2117f123a314f9271266190e53e79a8f70e9e597d491616bdce7be3c6209"
+    "merkle:object_hash": "3c22648957e7c76f75a9fbfdf7c164e7d745d9e4ebe809db15d2474e01be4764"
   },
   "bbox": [
     135,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T203649_20140913T090954_ADS_000000_Quqd.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T203649_20140913T090954_ADS_000000_Quqd.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-15T20:36:49.000000Z",
     "end_datetime": "2014-09-13T09:09:54.000000Z",
     "start_datetime": "2010-12-15T20:36:49.000000Z",
-    "merkle:object_hash": "24ba2117f123a314f9271266190e53e79a8f70e9e597d491616bdce7be3c6209"
+    "merkle:object_hash": "6d16f23e2fe2849ce0316c012e9284b413f7c086a11d6de421c0582b397f513e"
   },
   "bbox": [
     135,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T203914_20121226T204852_ADS_000000_Yjwo.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101215T203914_20121226T204852_ADS_000000_Yjwo.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-15T20:39:14.000000Z",
     "end_datetime": "2012-12-26T20:48:52.000000Z",
     "start_datetime": "2010-12-15T20:39:14.000000Z",
-    "merkle:object_hash": "5a51073c5a1998c43ced7e0cae0de4ba99847b62f52601dca021c89b5bf9c96f"
+    "merkle:object_hash": "ed99b4348ede45959a9cf471490f0f2c6a106bb4337a46d07d4fc4b4988f099f"
   },
   "bbox": [
     134,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101216T005027_20130331T005208_ADS_000000_J3m5.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101216T005027_20130331T005208_ADS_000000_J3m5.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-16T00:50:27.000000Z",
     "end_datetime": "2013-03-31T00:52:08.000000Z",
     "start_datetime": "2010-12-16T00:50:27.000000Z",
-    "merkle:object_hash": "e9b4e12f0d747e25432a72f2a8e7fd5518fbc1e91caca3d90eaecaebd6ff0308"
+    "merkle:object_hash": "90a0e5265d02fd58ab81437d14ef1c318ec1b86167ac935d6abb598602798690"
   },
   "bbox": [
     -111,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101216T005027_20130411T005216_ADS_000000_Hbh2.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_30_20101216T005027_20130411T005216_ADS_000000_Hbh2.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-16T00:50:27.000000Z",
     "end_datetime": "2013-04-11T00:52:16.000000Z",
     "start_datetime": "2010-12-16T00:50:27.000000Z",
-    "merkle:object_hash": "a2ebb590daa1915fd4d42fb677769d93b3c71e2151c998aa67af83bf2075ecd1"
+    "merkle:object_hash": "176a6f0026a763a85909d64d3eeac37873cd7c970fae685a6f37bd16d806b3fe"
   },
   "bbox": [
     -112,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_90_20101212T102356_20130709T103701_ADS_000000_6275.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_90_20101212T102356_20130709T103701_ADS_000000_6275.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-12T10:24:16.000000Z",
     "end_datetime": "2010-12-12T10:24:17.000000Z",
     "start_datetime": "2010-12-12T10:24:16.000000Z",
-    "merkle:object_hash": "440004ed55c220eb73041f3af7597b52e7e53a2d84daef4494e911cd6e4b0645"
+    "merkle:object_hash": "ffaee98a244aaad0f970100f0f3b11bf3ffd3f5de74fa473ed86cc851c73dbc9"
   },
   "bbox": [
     -72,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_90_20101212T102356_20130709T103701_ADS_000000_8521.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DGE_90_20101212T102356_20130709T103701_ADS_000000_8521.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-12T10:24:18.000000Z",
     "end_datetime": "2010-12-12T10:24:19.000000Z",
     "start_datetime": "2010-12-12T10:24:18.000000Z",
-    "merkle:object_hash": "4c51b04cfc7393a7a6dd23c078070be66512709d71f6ad25ebc0ce58456570ee"
+    "merkle:object_hash": "6d7dca89eec5da5e31023b7e24b9527e33a021099c8e74791ecda860f96091ab"
   },
   "bbox": [
     -72,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_30_20101215T203649_20140913T090954_ADS_000000_kipX.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_30_20101215T203649_20140913T090954_ADS_000000_kipX.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-15T20:36:49.000000Z",
     "end_datetime": "2014-09-13T09:09:54.000000Z",
     "start_datetime": "2010-12-15T20:36:49.000000Z",
-    "merkle:object_hash": "371fd0c1f79f165d3cf8a0c32a1380c812f69583c0c183aefdadb741963325a8"
+    "merkle:object_hash": "88f4d9bb5b1512f214f1ca60e6ff2bac28640fd0a00339d01c453b6db9fd7f88"
   },
   "bbox": [
     135,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_30_20101215T203914_20130404T204908_ADS_000000_CURF.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_30_20101215T203914_20130404T204908_ADS_000000_CURF.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-15T20:39:14.000000Z",
     "end_datetime": "2013-04-04T20:49:08.000000Z",
     "start_datetime": "2010-12-15T20:39:14.000000Z",
-    "merkle:object_hash": "0ed67614e47c0d1d6fbaedc465f1362b8c77c6849d331b3d34389c086c759824"
+    "merkle:object_hash": "457aa1fbc4005627077b55cd673a4457f2afc8a15ef3b776af8df60e60e8e1ab"
   },
   "bbox": [
     133,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_30_20101216T100443_20140415T214254_ADS_000000_9Wqx.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_30_20101216T100443_20140415T214254_ADS_000000_9Wqx.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-16T10:04:43.000000Z",
     "end_datetime": "2014-04-15T21:42:54.000000Z",
     "start_datetime": "2010-12-16T10:04:43.000000Z",
-    "merkle:object_hash": "fc3fe2b76328c498cb310769ffea2e529b7e9a202a853a048502239bdf7bf0c7"
+    "merkle:object_hash": "e7b65b76ed20f947d8a2b4ae126b832d9f07fb18822863556c9fa0ac40dae873"
   },
   "bbox": [
     122,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_30_20101217T200231_20140802T083458_ADS_000000_tFcK.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_30_20101217T200231_20140802T083458_ADS_000000_tFcK.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-17T20:02:31.000000Z",
     "end_datetime": "2014-08-02T08:34:58.000000Z",
     "start_datetime": "2010-12-17T20:02:31.000000Z",
-    "merkle:object_hash": "a3eb9e129dbae95c8c29387701f72a9c2492db93bdd46dd6169e26ed94a37377"
+    "merkle:object_hash": "d0114075968ff1a3860eaf90d85317304f96757d6313f396eb556546a9c95006"
   },
   "bbox": [
     144,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101212T084914_20130418T085214_ADS_000000_5545.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101212T084914_20130418T085214_ADS_000000_5545.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-12T08:49:36.000000Z",
     "end_datetime": "2010-12-12T08:49:37.000000Z",
     "start_datetime": "2010-12-12T08:49:36.000000Z",
-    "merkle:object_hash": "b8c3c20b55fe3fdf20590d3a4a56ccdd9dee2e7777ff73e31369bd03a2515220"
+    "merkle:object_hash": "7611aa1e37ee256bb346d0405c210c9e2256c43e7ed9854b4a91ef75caf59d09"
   },
   "bbox": [
     -49,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101212T084914_20140212T212323_ADS_000000_1370.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101212T084914_20140212T212323_ADS_000000_1370.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-12T08:49:42.000000Z",
     "end_datetime": "2010-12-12T08:49:43.000000Z",
     "start_datetime": "2010-12-12T08:49:42.000000Z",
-    "merkle:object_hash": "0df9c41fb9f08c0f730b609d2d6c364abd828986b23521de706e8f4f84cf5aef"
+    "merkle:object_hash": "c4a241c5917f7fcb82bedca10127ad22504b3462c0d3704d76a5f549e2c24010"
   },
   "bbox": [
     -48,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101212T102356_20130628T103333_ADS_000000_1705.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101212T102356_20130628T103333_ADS_000000_1705.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-12T10:24:00.000000Z",
     "end_datetime": "2010-12-12T10:24:01.000000Z",
     "start_datetime": "2010-12-12T10:24:00.000000Z",
-    "merkle:object_hash": "23a6d9a1862fc66bd4fae427012ee89b81d9e571ea05bee65b309417136310ea"
+    "merkle:object_hash": "ae063aa10078d5316f36718b92f966c9f96f63f621839bd031730eb068c1c265"
   },
   "bbox": [
     -72,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101213T034716_20130408T035028_ADS_000000_5033.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101213T034716_20130408T035028_ADS_000000_5033.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-13T03:47:46.000000Z",
     "end_datetime": "2010-12-13T03:47:47.000000Z",
     "start_datetime": "2010-12-13T03:47:46.000000Z",
-    "merkle:object_hash": "bd6555752f00144ec8fef94a7a0d2ce28579b62546f39438923dcb2b21341ff7"
+    "merkle:object_hash": "c1511bd4889e8078010287a820d3fcc216cad1ab48374e324fb7098fd1c3f882"
   },
   "bbox": [
     26,
diff --git a/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101217T224141_20140127T121413_ADS_000000_0611.json b/example_catalog/collections/COP-DEM/DEM1_SAR_DTE_90_20101217T224141_20140127T121413_ADS_000000_0611.json
@@ -43,7 +43,7 @@
     "datetime": "2010-12-17T22:42:03.000000Z",
     "end_datetime": "2010-12-17T22:42:04.000000Z",
     "start_datetime": "2010-12-17T22:42:03.000000Z",
-    "merkle:object_hash": "4f5ff2fef424264bb7355dc29c099c6dbe89baa1d48f448ef14ccd518a739a25"
+    "merkle:object_hash": "9c33c4c49913483588fb7e2aa8084e675649ed253083ab62ac1ebebcfc16a944"
   },
   "bbox": [
     -84,
diff --git a/example_catalog/collections/COP-DEM/collection.json b/example_catalog/collections/COP-DEM/collection.json
@@ -50,7 +50,7 @@
       "href": "https://catalogue.dataspace.copernicus.eu/stac/collections/COP-DEM/items"
     }
   ],
-  "merkle:root": "9c2acdf800018906baf02f13f678b68553aafa05186bd7af7474a2c7596d431a",
+  "merkle:root": "aa7f89b29cb339032ec86d81d4090bdbd52199152fb657f50b08eec1b3234ee2",
   "merkle:hash_method": {
     "function": "sha256",
     "fields": [
diff --git a/stac_merkle_tree_cli/compute_merkle_info.py b/stac_merkle_tree_cli/compute_merkle_info.py
@@ -10,50 +10,50 @@
 # Define Merkle fields to exclude from hashing
 MERKLE_FIELDS = {"merkle:object_hash", "merkle:hash_method", "merkle:root"}
 
+def remove_merkle_fields(data):
+    """
+    Recursively removes Merkle fields from a nested dictionary.
+    """
+    if isinstance(data, dict):
+        return {
+            k: remove_merkle_fields(v)
+            for k, v in data.items()
+            if k not in MERKLE_FIELDS
+        }
+    elif isinstance(data, list):
+        return [remove_merkle_fields(v) for v in data]
+    else:
+        return data
+
 def compute_merkle_object_hash(
     stac_object: Dict[str, Any],
-    hash_method: Dict[str, Any],
-    is_item: bool = False,
+    hash_method: Dict[str, Any]
 ) -> str:
     """
     Computes the merkle:object_hash for a STAC object (Catalog, Collection, or Item).
 
     Parameters:
     - stac_object (dict): The STAC object JSON content.
     - hash_method (dict): The hash method details from merkle:hash_method.
-    - is_item (bool): Indicates if the object is an Item (Feature).
 
     Returns:
     - str: The computed Merkle object hash as a hexadecimal string.
     """
     fields = hash_method.get('fields', ['*'])
     if fields == ['*'] or fields == ['all']:
-        # Exclude Merkle fields
-        if is_item:
-            # For Items, Merkle fields are within 'properties'
-            properties = stac_object.get('properties', {})
-            data_to_hash = {k: v for k, v in properties.items() if k not in MERKLE_FIELDS}
-        else:
-            # For Collections and Catalogs, Merkle fields are at the top level
-            data_to_hash = {k: v for k, v in stac_object.items() if k not in MERKLE_FIELDS}
+        # Exclude Merkle fields from all levels
+        data_to_hash = remove_merkle_fields(stac_object)
     else:
-        if is_item:
-            # Include only specified fields, excluding Merkle fields
-            properties = stac_object.get('properties', {})
-            data_to_hash = {field: properties.get(field) for field in fields if field not in MERKLE_FIELDS}
-        else:
-            # For Collections and Catalogs
-            data_to_hash = {field: stac_object.get(field) for field in fields if field not in MERKLE_FIELDS}
-
+        # Include only specified fields, then remove Merkle fields
+        selected_data = {field: stac_object.get(field) for field in fields if field in stac_object}
+        data_to_hash = remove_merkle_fields(selected_data)
     # Serialize the data to a canonical JSON string
     json_str = json.dumps(data_to_hash, sort_keys=True, separators=(',', ':'))
-
     # Get the hash function
     hash_function_name = hash_method.get('function', 'sha256').replace('-', '').lower()
     hash_func = getattr(hashlib, hash_function_name, None)
     if not hash_func:
         raise ValueError(f"Unsupported hash function: {hash_function_name}")
-
     # Compute the hash
     merkle_object_hash = hash_func(json_str.encode('utf-8')).hexdigest()
     return merkle_object_hash
@@ -120,13 +120,11 @@ def process_item(item_path: Path, hash_method: Dict[str, Any]) -> str:
             item_json = json.load(f)
 
         # Compute merkle:object_hash
-        own_hash = compute_merkle_object_hash(item_json, hash_method, is_item=True)
+        own_hash = compute_merkle_object_hash(item_json, hash_method)
 
-        # Add Merkle fields to 'properties'
+        # Add merkle:object_hash to 'properties'
         properties = item_json.setdefault('properties', {})
         properties['merkle:object_hash'] = own_hash
-        # Remove the following line to avoid adding 'merkle:hash_method' to Items
-        # properties['merkle:hash_method'] = hash_method
 
         # Ensure the Merkle extension is listed
         item_json.setdefault('stac_extensions', [])
@@ -163,10 +161,7 @@ def process_collection(collection_path: Path, parent_hash_method: Dict[str, Any]
             collection_json = json.load(f)
 
         # Determine the hash_method to use
-        if 'merkle:hash_method' in collection_json:
-            hash_method = collection_json['merkle:hash_method']
-        else:
-            hash_method = parent_hash_method
+        hash_method = collection_json.get('merkle:hash_method', parent_hash_method)
 
         if not hash_method:
             raise ValueError(f"Hash method not specified for {collection_path}")
@@ -182,7 +177,7 @@ def process_collection(collection_path: Path, parent_hash_method: Dict[str, Any]
                 item_hashes.append(item_hash)
 
         # Compute merkle:object_hash
-        own_hash = compute_merkle_object_hash(collection_json, hash_method, is_item=False)
+        own_hash = compute_merkle_object_hash(collection_json, hash_method)
         collection_json['merkle:object_hash'] = own_hash
         item_hashes.append(own_hash)
 
@@ -231,7 +226,7 @@ def process_catalog(catalog_path: Path) -> str:
             'function': 'sha256',
             'fields': ['*'],
             'ordering': 'ascending',
-            'description': 'Computed by including merkle:object_hash values in ascending order and building the Merkle tree.'
+            'description': 'Computed by excluding Merkle fields and including merkle:object_hash values in ascending order to build the Merkle tree.'
         }
 
         # Process collections in the collections folder
@@ -254,7 +249,7 @@ def process_catalog(catalog_path: Path) -> str:
                     click.echo(f"collection.json not found in {collection_dir}", err=True)
 
         # Compute merkle:object_hash
-        own_hash = compute_merkle_object_hash(catalog_json, hash_method, is_item=False)
+        own_hash = compute_merkle_object_hash(catalog_json, hash_method)
         catalog_json['merkle:object_hash'] = own_hash
         collection_hashes.append(own_hash)
 
@@ -283,25 +278,3 @@ def process_catalog(catalog_path: Path) -> str:
     except Exception as e:
         click.echo(f"Error processing Catalog {catalog_path}: {e}", err=True)
         return ''
-
-@click.command()
-@click.argument('catalog_path', type=click.Path(exists=True, file_okay=True, dir_okay=False))
-def main(catalog_path):
-    """
-    Computes and adds Merkle info to each STAC object in the catalog.
-
-    CATALOG_PATH is the path to your root catalog.json file.
-    """
-    catalog_path = Path(catalog_path).resolve()
-
-    if not catalog_path.exists():
-        click.echo(f"Catalog file does not exist: {catalog_path}", err=True)
-        return
-
-    # Process the root catalog
-    process_catalog(catalog_path)
-
-    click.echo("Merkle info computation and addition completed.")
-
-if __name__ == '__main__':
-    main()
diff --git a/tests/test_compute_merkle_info.py b/tests/test_compute_merkle_info.py

Original file line number	Diff line number	Diff line change
`@@ -63,6 +63,6 @@`
`63`	`63`	`"*"`
`64`	`64`	`],`
`65`	`65`	`"ordering": "ascending",`
`66`		`- "description": "Computed by including merkle:object_hash values in ascending order and building the Merkle tree."`
	`66`	`+ "description": "Computed by excluding Merkle fields and including merkle:object_hash values in ascending order to build the Merkle tree."`
`67`	`67`	`}`
`68`	`68`	`}`