test: fix falsy-value bug for collateral_vout and improve getrawtransaction tests

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: thepastaclaw

test/functional/rpc_rawtransaction.py

@@ -114,8 +114,8 @@ def getrawtransaction_tests(self):
                 assert_equal(self.nodes[n].getrawtransaction(txId, True)["hex"], tx['hex'])
                 assert_equal(self.nodes[n].getrawtransactionmulti({"0":[txId]}, True)[txId]['hex'], tx['hex'])
 
-                # 4. valid parameters - supply txid and True for verbose (named args)
-                assert_equal(self.nodes[n].getrawtransaction(txId, True)["hex"], tx['hex'])
+                # 4. valid parameters - supply txid and True for verbose using named args
+                assert_equal(self.nodes[n].getrawtransaction(txid=txId, verbose=True)["hex"], tx['hex'])
                 assert_equal(self.nodes[n].getrawtransactionmulti(verbose=True, transactions={"0":[txId]})[txId]['hex'], tx['hex'])
             else:
                 # Without -txindex, expect to raise.
@@ -135,6 +135,11 @@ def getrawtransaction_tests(self):
             # 8. invalid parameters - supply txid and empty dict
             assert_raises_rpc_error(-3, "not of expected type bool", self.nodes[n].getrawtransaction, txId, {})
 
+            # 9. invalid parameters - supply txid and integer values for verbose (type checking rejects non-bool)
+            for value in [0, 1]:
+                assert_raises_rpc_error(-3, "not of expected type bool", self.nodes[n].getrawtransaction, txid=txId, verbose=value)
+                assert_raises_rpc_error(-3, "not of expected type bool", self.nodes[n].getrawtransactionmulti, transactions={"0":[txId]}, verbose=value)
+
         # Make a tx by sending, then generate 2 blocks; block1 has the tx in it
         tx = self.wallet.send_self_transfer(from_node=self.nodes[2])['txid']
         block1, block2 = self.generate(self.nodes[2], 2)

test/functional/test_framework/test_framework.py

@@ -1268,7 +1268,7 @@ def register(self, node: TestNode, submit: bool, collateral_txid: Optional[str]
         # Common arguments shared between regular masternodes and EvoNodes
         args = [
             collateral_txid or self.collateral_txid,
-            collateral_vout or self.collateral_vout,
+            collateral_vout if collateral_vout is not None else self.collateral_vout,
             [f'127.0.0.1:{self.nodePort}'] if addrs_core_p2p is None else addrs_core_p2p,
             ownerAddr or self.ownerAddr,
             pubKeyOperator or self.pubKeyOperator,