Set vkey witnesses to None when empty (#377)

theeldermillenial · web-flow · commit 46c453db0d1d · 2024-09-22T12:57:04.000-07:00
diff --git a/pycardano/txbuilder.py b/pycardano/txbuilder.py
@@ -1509,4 +1509,7 @@ def build_and_sign(
                 VerificationKeyWitness(signing_key.to_verification_key(), signature)
             )
 
+        if len(witness_set.vkey_witnesses) == 0:
+            witness_set.vkey_witnesses = None
+
         return Transaction(tx_body, witness_set, auxiliary_data=self.auxiliary_data)

Original file line number	Diff line number	Diff line change
`@@ -1509,4 +1509,7 @@ def build_and_sign(`
`1509`	`1509`	`VerificationKeyWitness(signing_key.to_verification_key(), signature)`
`1510`	`1510`	`)`
`1511`	`1511`
	`1512`	`+ if len(witness_set.vkey_witnesses) == 0:`
	`1513`	`+ witness_set.vkey_witnesses = None`
	`1514`	`+`
`1512`	`1515`	`return Transaction(tx_body, witness_set, auxiliary_data=self.auxiliary_data)`