chainlib

commit c3ab13d4f37ba1fc59f2259eef948ca8e5fb620f
parent 6faa5d7491ae264720012fef7cc8c54f46c674d4
Author: lash <dev@holbrook.no>
Date:   Wed, 29 Mar 2023 10:23:30 +0100

Expose keccak string to bytes method

Diffstat:
M
CHANGELOG
 | 
2
++
M
chainlib/hash.py
 | 
19
++++++++++++++++---
M
setup.cfg
 | 
2
+-

3 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,3 +1,5 @@
+- 0.4.13
+	* Expose string to bytes keccak hash
 - 0.4.12
 	* Exit 1 when no modules found for chainlib-gen
 - 0.4.11
diff --git a/chainlib/hash.py b/chainlib/hash.py
@@ -3,6 +3,21 @@ import sha3
 from hexathon import strip_0x
 
 
+def keccak256(s):
+    """Binary representation of Keccak256 hash of utf-8 string content.
+
+    :param s: utf-8 string to hash
+    :type s: str
+    :rtype: str
+    :returns: Hex-value of keccak256 hash
+    """
+    h = sha3.keccak_256()
+    if (type(s).__name__ == 'str'):
+        s = s.encode('utf-8')
+    h.update(s)
+    return h.digest()
+
+
 def keccak256_hex(s):
     """Hex representation of Keccak256 hash of utf-8 string content.
 
@@ -11,9 +26,7 @@ def keccak256_hex(s):
     :rtype: str
     :returns: Hex-value of keccak256 hash
     """
-    h = sha3.keccak_256()
-    h.update(s.encode('utf-8'))
-    return h.digest().hex()
+    return keccak256(s).hex()
 
 
 def keccak256_string_to_hex(s):
diff --git a/setup.cfg b/setup.cfg
@@ -3,7 +3,7 @@ name=chainlib
 license=AGPLv3+
 author_email=dev@holbrook.no
 description=Generic blockchain access library and tooling
-version=0.4.12
+version=0.4.13
 url=https://git.defalsify.org/chainlib
 author=Louis Holbrook