Fix error in LedgerEntry request

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [[Unreleased]]
 
+### Fixed
+- Rectify error in the Directory model in the LedgerEntry request.
+
 ## [[4.4.0]] - 2025-12-16
 
 ### Added

tests/integration/reqs/test_ledger_entry.py

@@ -0,0 +1,60 @@
+from tests.integration.integration_test_case import IntegrationTestCase
+from tests.integration.it_utils import (
+    fund_wallet_async,
+    sign_and_reliable_submission_async,
+    test_async_and_sync,
+)
+from xrpl.models.requests import LedgerEntry
+from xrpl.models.requests.ledger_entry import Directory
+from xrpl.models.response import ResponseStatus
+from xrpl.models.transactions import DIDSet
+from xrpl.wallet import Wallet
+
+_VALID_FIELD = "1234567890abcdefABCDEF"
+
+
+class TestLedgerEntry(IntegrationTestCase):
+    @test_async_and_sync(globals())
+    async def test_fetch_directory_model(self, client):
+
+        owner_wallet = Wallet.create()
+        await fund_wallet_async(owner_wallet)
+
+        # Create DID ledger object to populate the directory of owner_wallet account
+        setup_tx = DIDSet(
+            account=owner_wallet.address,
+            did_document=_VALID_FIELD,
+            uri=_VALID_FIELD,
+            data=_VALID_FIELD,
+        )
+        response = await sign_and_reliable_submission_async(
+            setup_tx, owner_wallet, client
+        )
+        self.assertEqual(response.status, ResponseStatus.SUCCESS)
+        self.assertEqual(response.result["engine_result"], "tesSUCCESS")
+
+        # fetch the directory using the Dataclass model
+        response = await client.request(
+            LedgerEntry(directory=Directory(owner=owner_wallet.address, sub_index=0))
+        )
+        self.assertTrue(response.is_successful())
+        self.assertEqual(response.result["node"]["LedgerEntryType"], "DirectoryNode")
+
+        DIR_NODE_INDEX = response.result["index"]
+
+        # fetch directory using JSON input
+        response = await client.request(
+            LedgerEntry(
+                directory={
+                    "owner": owner_wallet.address,
+                    "sub_index": 0,
+                },
+            )
+        )
+        self.assertTrue(response.is_successful())
+        self.assertEqual(response.result["node"]["LedgerEntryType"], "DirectoryNode")
+
+        # fetch directory using the ledger index
+        response = await client.request(LedgerEntry(index=DIR_NODE_INDEX))
+        self.assertTrue(response.is_successful())
+        self.assertEqual(response.result["node"]["LedgerEntryType"], "DirectoryNode")

xrpl/models/requests/ledger_entry.py

@@ -118,24 +118,24 @@ class DepositPreauth(BaseModel):
 @dataclass(frozen=True, **KW_ONLY_DATACLASS)
 class Directory(BaseModel):
     """
-    Required fields for requesting a DirectoryNode if not querying by
-    object ID.
+    The input requires either dir_root or owner as a sub-field, plus optionally a
+    sub_index sub-field.
     """
 
-    owner: str = REQUIRED
+    owner: Optional[str] = None
     """
-    This field is required.
-
-    :meta hide-value:
+    (Optional) Unique address of the account associated with this directory.
     """
 
-    dir_root: str = REQUIRED
+    dir_root: Optional[str] = None
     """
-    This field is required.
-
-    :meta hide-value:
+    (Optional) Unique index identifying the directory to retrieve, as a hex string.
     """
+
     sub_index: Optional[int] = None
+    """
+    (Optional) If provided, jumps to a later "page" of the DirectoryNode.
+    """
 
 
 @require_kwargs_on_init