diff options
Diffstat (limited to 'test')
| -rwxr-xr-x | test/functional/wallet_bumpfee.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/functional/wallet_bumpfee.py b/test/functional/wallet_bumpfee.py index 37c457ef61..9ea61fe7bd 100755 --- a/test/functional/wallet_bumpfee.py +++ b/test/functional/wallet_bumpfee.py @@ -73,6 +73,7 @@ class BumpFeeTest(BitcoinTestFramework): test_unconfirmed_not_spendable(rbf_node, rbf_node_address) test_bumpfee_metadata(rbf_node, dest_address) test_locked_wallet_fails(rbf_node, dest_address) + test_change_script_match(rbf_node, dest_address) # These tests wipe out a number of utxos that are expected in other tests test_small_output_with_feerate_succeeds(rbf_node, dest_address) test_no_more_inputs_fails(rbf_node, dest_address) @@ -311,6 +312,23 @@ def test_locked_wallet_fails(rbf_node, dest_address): rbf_node.bumpfee, rbfid) rbf_node.walletpassphrase(WALLET_PASSPHRASE, WALLET_PASSPHRASE_TIMEOUT) +def test_change_script_match(rbf_node, dest_address): + """Test that the same change addresses is used for the replacement transaction when possible.""" + def get_change_address(tx): + tx_details = rbf_node.getrawtransaction(tx, 1) + txout_addresses = [txout['scriptPubKey']['addresses'][0] for txout in tx_details["vout"]] + return [address for address in txout_addresses if rbf_node.getaddressinfo(address)["ischange"]] + + # Check that there is only one change output + rbfid = spend_one_input(rbf_node, dest_address) + change_addresses = get_change_address(rbfid) + assert_equal(len(change_addresses), 1) + + # Now find that address in each subsequent tx, and no other change + bumped_total_tx = rbf_node.bumpfee(rbfid, {"totalFee": 2000}) + assert_equal(change_addresses, get_change_address(bumped_total_tx['txid'])) + bumped_rate_tx = rbf_node.bumpfee(bumped_total_tx["txid"]) + assert_equal(change_addresses, get_change_address(bumped_rate_tx['txid'])) def spend_one_input(node, dest_address, change_size=Decimal("0.00049000")): tx_input = dict( |