From 06783ec25b33c9ec5e3331d1918a2349a38c4cf3 Mon Sep 17 00:00:00 2001
From: Deep Bhatt <deep.bhatt@charli3.io>
Date: Sat, 10 Dec 2022 21:12:37 -0500
Subject: [PATCH] added support for script_datum_cbor.

---
 blockfrost/api/__init__.py        |  3 ++-
 blockfrost/api/cardano/scripts.py | 21 +++++++++++++++++++++
 tests/test_cardano_scripts.py     | 14 ++++++++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/blockfrost/api/__init__.py b/blockfrost/api/__init__.py
index ab81001..d76f4f5 100644
--- a/blockfrost/api/__init__.py
+++ b/blockfrost/api/__init__.py
@@ -128,6 +128,7 @@ def root(self, **kwargs):
         script_json, \
         script_cbor, \
         script_redeemers, \
-        script_datum
+        script_datum, \
+        script_datum_cbor
     from .cardano.utils import \
         utils_addresses_xpub
diff --git a/blockfrost/api/cardano/scripts.py b/blockfrost/api/cardano/scripts.py
index 3b2190c..c24dbd2 100644
--- a/blockfrost/api/cardano/scripts.py
+++ b/blockfrost/api/cardano/scripts.py
@@ -148,3 +148,24 @@ def script_datum(self, datum_hash: str, **kwargs):
         url=f"{self.url}/scripts/datum/{datum_hash}",
         headers=self.default_headers
     )
+
+@request_wrapper
+def script_datum_cbor(self, datum_hash: str, **kwargs):
+    """
+    Query CBOR value of a datum by its hash.
+
+    https://docs.blockfrost.io/#tag/Cardano-Scripts/paths/~1scripts~1datum~1{datum_hash}~1cbor/get
+
+    :param datum_hash: Hash of the datum.
+    :type datum_hash: str
+    :param return_type: Optional. "object", "json" or "pandas". Default: "object".
+    :type return_type: str
+    :returns object.
+    :rtype: Namespace
+    :raises ApiError: If API fails
+    :raises Exception: If the API response is somehow malformed.
+    """
+    return requests.get(
+        url=f"{self.url}/scripts/datum/{datum_hash}/cbor",
+        headers=self.default_headers
+    )
diff --git a/tests/test_cardano_scripts.py b/tests/test_cardano_scripts.py
index 3d7ff47..53fadf3 100644
--- a/tests/test_cardano_scripts.py
+++ b/tests/test_cardano_scripts.py
@@ -130,3 +130,17 @@ def test_integration_script_datum():
     if os.getenv('BLOCKFROST_PROJECT_ID_MAINNET'):
         api = BlockFrostApi(project_id=os.getenv('BLOCKFROST_PROJECT_ID_MAINNET'))
         assert api.script_datum(datum_hash=datum_hash)
+
+def test_script_datum_cbor(requests_mock):
+    api = BlockFrostApi()
+    mock_data = {
+        "cbor": "4e4d01000033222220051200120011"
+    }
+    requests_mock.get(f"{api.url}/scripts/datum/{datum_hash}/cbor", json=mock_data)
+    assert api.script_datum_cbor(datum_hash=datum_hash) == convert_json_to_object(mock_data)
+
+
+def test_integration_script_datum_cbor():
+    if os.getenv('BLOCKFROST_PROJECT_ID_MAINNET'):
+        api = BlockFrostApi(project_id=os.getenv('BLOCKFROST_PROJECT_ID_MAINNET'))
+        assert api.script_datum_cbor(datum_hash=datum_hash)