#187: Implement __eq__ and __hash__ Documents methods

Documents, Identity, Certification, Revocation, Membership.

Close #187 (closed).

duniterpy/documents/certification.py

@@ -14,7 +14,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import re
-from typing import Optional, Type, TypeVar, Union
+from typing import Any, Optional, Type, TypeVar, Union
 
 from ..constants import (
     BLOCK_ID_REGEX,
@@ -80,6 +80,31 @@ class Certification(Document):
         if signing_key is not None:
             self.sign(signing_key)
 
+    def __eq__(self, other: Any) -> bool:
+        """
+        Check Certification instances equality
+        """
+        if not isinstance(other, Certification):
+            return NotImplemented
+        return (
+            super().__eq__(other)
+            and self.pubkey_from == other.pubkey_from
+            and self.identity == other.identity
+            and self.block_id == other.block_id
+        )
+
+    def __hash__(self) -> int:
+        return hash(
+            (
+                self.pubkey_from,
+                self.identity,
+                self.block_id,
+                self.version,
+                self.currency,
+                self.signature,
+            )
+        )
+
     @classmethod
     def from_signed_raw(
         cls: Type[CertificationType], signed_raw: str