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-rwxr-xr-xtest/functional/wallet_avoidreuse.py25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/functional/wallet_avoidreuse.py b/test/functional/wallet_avoidreuse.py
index 8e2dc03ac2..2ce8d459c6 100755
--- a/test/functional/wallet_avoidreuse.py
+++ b/test/functional/wallet_avoidreuse.py
@@ -83,6 +83,7 @@ class AvoidReuseTest(BitcoinTestFramework):
self.nodes[0].generate(110)
self.sync_all()
+ self.test_change_remains_change(self.nodes[1])
reset_balance(self.nodes[1], self.nodes[0].getnewaddress())
self.test_fund_send_fund_senddirty()
reset_balance(self.nodes[1], self.nodes[0].getnewaddress())
@@ -137,6 +138,30 @@ class AvoidReuseTest(BitcoinTestFramework):
# Unload temp wallet
self.nodes[1].unloadwallet(tempwallet)
+ def test_change_remains_change(self, node):
+ self.log.info("Test that change doesn't turn into non-change when spent")
+
+ reset_balance(node, node.getnewaddress())
+ addr = node.getnewaddress()
+ txid = node.sendtoaddress(addr, 1)
+ out = node.listunspent(minconf=0, query_options={'minimumAmount': 2})
+ assert_equal(len(out), 1)
+ assert_equal(out[0]['txid'], txid)
+ changeaddr = out[0]['address']
+
+ # Make sure it's starting out as change as expected
+ assert node.getaddressinfo(changeaddr)['ischange']
+ for logical_tx in node.listtransactions():
+ assert logical_tx.get('address') != changeaddr
+
+ # Spend it
+ reset_balance(node, node.getnewaddress())
+
+ # It should still be change
+ assert node.getaddressinfo(changeaddr)['ischange']
+ for logical_tx in node.listtransactions():
+ assert logical_tx.get('address') != changeaddr
+
def test_fund_send_fund_senddirty(self):
'''
Test the same as test_fund_send_fund_send, except send the 10 BTC with