diff options
Diffstat (limited to 'test/functional/wallet_avoidreuse.py')
| -rwxr-xr-x | test/functional/wallet_avoidreuse.py | 85 |
1 files changed, 75 insertions, 10 deletions
diff --git a/test/functional/wallet_avoidreuse.py b/test/functional/wallet_avoidreuse.py index 2ce8d459c6..78a51a1d5f 100755 --- a/test/functional/wallet_avoidreuse.py +++ b/test/functional/wallet_avoidreuse.py @@ -85,15 +85,19 @@ class AvoidReuseTest(BitcoinTestFramework): 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() + self.test_sending_from_reused_address_without_avoid_reuse() reset_balance(self.nodes[1], self.nodes[0].getnewaddress()) - self.test_fund_send_fund_send("legacy") + self.test_sending_from_reused_address_fails("legacy") reset_balance(self.nodes[1], self.nodes[0].getnewaddress()) - self.test_fund_send_fund_send("p2sh-segwit") + self.test_sending_from_reused_address_fails("p2sh-segwit") reset_balance(self.nodes[1], self.nodes[0].getnewaddress()) - self.test_fund_send_fund_send("bech32") + self.test_sending_from_reused_address_fails("bech32") reset_balance(self.nodes[1], self.nodes[0].getnewaddress()) self.test_getbalances_used() + reset_balance(self.nodes[1], self.nodes[0].getnewaddress()) + self.test_full_destination_group_is_preferred() + reset_balance(self.nodes[1], self.nodes[0].getnewaddress()) + self.test_all_destination_groups_are_used() def test_persistence(self): '''Test that wallet files persist the avoid_reuse flag.''' @@ -162,13 +166,13 @@ class AvoidReuseTest(BitcoinTestFramework): for logical_tx in node.listtransactions(): assert logical_tx.get('address') != changeaddr - def test_fund_send_fund_senddirty(self): + def test_sending_from_reused_address_without_avoid_reuse(self): ''' - Test the same as test_fund_send_fund_send, except send the 10 BTC with + Test the same as test_sending_from_reused_address_fails, except send the 10 BTC with the avoid_reuse flag set to false. This means the 10 BTC send should succeed, - where it fails in test_fund_send_fund_send. + where it fails in test_sending_from_reused_address_fails. ''' - self.log.info("Test fund send fund send dirty") + self.log.info("Test sending from reused address with avoid_reuse=false") fundaddr = self.nodes[1].getnewaddress() retaddr = self.nodes[0].getnewaddress() @@ -213,7 +217,7 @@ class AvoidReuseTest(BitcoinTestFramework): assert_approx(self.nodes[1].getbalance(), 5, 0.001) assert_approx(self.nodes[1].getbalance(avoid_reuse=False), 5, 0.001) - def test_fund_send_fund_send(self, second_addr_type): + def test_sending_from_reused_address_fails(self, second_addr_type): ''' Test the simple case where [1] generates a new address A, then [0] sends 10 BTC to A. @@ -222,7 +226,7 @@ class AvoidReuseTest(BitcoinTestFramework): [1] tries to spend 10 BTC (fails; dirty). [1] tries to spend 4 BTC (succeeds; change address sufficient) ''' - self.log.info("Test fund send fund send") + self.log.info("Test sending from reused {} address fails".format(second_addr_type)) fundaddr = self.nodes[1].getnewaddress(label="", address_type="legacy") retaddr = self.nodes[0].getnewaddress() @@ -313,5 +317,66 @@ class AvoidReuseTest(BitcoinTestFramework): assert_unspent(self.nodes[1], total_count=2, total_sum=6, reused_count=1, reused_sum=1) assert_balances(self.nodes[1], mine={"used": 1, "trusted": 5}) + def test_full_destination_group_is_preferred(self): + ''' + Test the case where [1] only has 11 outputs of 1 BTC in the same reused + address and tries to send a small payment of 0.5 BTC. The wallet + should use 10 outputs from the reused address as inputs and not a + single 1 BTC input, in order to join several outputs from the reused + address. + ''' + self.log.info("Test that full destination groups are preferred in coin selection") + + # Node under test should be empty + assert_equal(self.nodes[1].getbalance(avoid_reuse=False), 0) + + new_addr = self.nodes[1].getnewaddress() + ret_addr = self.nodes[0].getnewaddress() + + # Send 11 outputs of 1 BTC to the same, reused address in the wallet + for _ in range(11): + self.nodes[0].sendtoaddress(new_addr, 1) + + self.nodes[0].generate(1) + self.sync_all() + + # Sending a transaction that is smaller than each one of the + # available outputs + txid = self.nodes[1].sendtoaddress(address=ret_addr, amount=0.5) + inputs = self.nodes[1].getrawtransaction(txid, 1)["vin"] + + # The transaction should use 10 inputs exactly + assert_equal(len(inputs), 10) + + def test_all_destination_groups_are_used(self): + ''' + Test the case where [1] only has 22 outputs of 1 BTC in the same reused + address and tries to send a payment of 20.5 BTC. The wallet + should use all 22 outputs from the reused address as inputs. + ''' + self.log.info("Test that all destination groups are used") + + # Node under test should be empty + assert_equal(self.nodes[1].getbalance(avoid_reuse=False), 0) + + new_addr = self.nodes[1].getnewaddress() + ret_addr = self.nodes[0].getnewaddress() + + # Send 22 outputs of 1 BTC to the same, reused address in the wallet + for _ in range(22): + self.nodes[0].sendtoaddress(new_addr, 1) + + self.nodes[0].generate(1) + self.sync_all() + + # Sending a transaction that needs to use the full groups + # of 10 inputs but also the incomplete group of 2 inputs. + txid = self.nodes[1].sendtoaddress(address=ret_addr, amount=20.5) + inputs = self.nodes[1].getrawtransaction(txid, 1)["vin"] + + # The transaction should use 22 inputs exactly + assert_equal(len(inputs), 22) + + if __name__ == '__main__': AvoidReuseTest().main() |