define block_date and block_num

hive/utils/normalize.py

@@ -61,6 +61,14 @@ def legacy_amount(value):
     tmpl = ("%%.%df %%s" % prec)
     return tmpl % (amt, asset)
 
+def block_num(block):
+    """Given a block object, returns the block number."""
+    return int(block['block_id'][:8], base=16)
+
+def block_date(block):
+    """Parse block timestamp into datetime object."""
+    return parse_time(block['timestamp'])
+
 def parse_time(block_time):
     """Convert chain date into datetime object."""
     return datetime.strptime(block_time, '%Y-%m-%dT%H:%M:%S')

tests/test_utils_normalize.py

@@ -2,6 +2,8 @@ from datetime import datetime
 from decimal import Decimal
 
 from hive.utils.normalize import (
+    block_num,
+    block_date,
     vests_amount,
     steem_amount,
     sbd_amount,
@@ -15,6 +17,14 @@ from hive.utils.normalize import (
     safe_img_url,
 )
 
+def test_block_num():
+    block = dict(block_id='013c33f88c643c92a7352b52efde7237f4d4ee0b')
+    assert block_num(block) == 20722680
+
+def test_block_date():
+    block = dict(timestamp='2018-03-16T10:08:42')
+    assert block_date(block) == datetime(2018, 3, 16, 10, 8, 42)
+
 def test_vests_amount():
     assert vests_amount('4.549292 VESTS') == Decimal('4.549292')