diff options
| -rwxr-xr-x | test/functional/bumpfee.py | 110 |
1 files changed, 46 insertions, 64 deletions
diff --git a/test/functional/bumpfee.py b/test/functional/bumpfee.py index 8f75e9ed4d..172e414188 100755 --- a/test/functional/bumpfee.py +++ b/test/functional/bumpfee.py @@ -2,7 +2,17 @@ # Copyright (c) 2016 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. -"""Test the bumpfee RPC.""" +"""Test the bumpfee RPC. + +Verifies that the bumpfee RPC creates replacement transactions successfully when +its preconditions are met, and returns appropriate errors in other cases. + +This module consists of around a dozen individual test cases implemented in the +top-level functions named as test_<test_case_description>. The test functions +can be disabled or reordered if needed for debugging. If new test cases are +added in the the future, they should try to follow the same convention and not +make assumptions about execution order. +""" from segwit import send_to_witness from test_framework.test_framework import BitcoinTestFramework @@ -57,13 +67,13 @@ class BumpFeeTest(BitcoinTestFramework): self.log.info("Running tests") dest_address = peer_node.getnewaddress() - test_small_output_fails(rbf_node, dest_address) - test_dust_to_fee(rbf_node, dest_address) test_simple_bumpfee_succeeds(rbf_node, peer_node, dest_address) test_segwit_bumpfee_succeeds(rbf_node, dest_address) test_nonrbf_bumpfee_fails(peer_node, dest_address) test_notmine_bumpfee_fails(rbf_node, peer_node, dest_address) test_bumpfee_with_descendant_fails(rbf_node, rbf_node_address, dest_address) + test_small_output_fails(rbf_node, dest_address) + test_dust_to_fee(rbf_node, dest_address) test_settxfee(rbf_node, dest_address) test_rebumping(rbf_node, dest_address) test_rebumping_not_replaceable(rbf_node, dest_address) @@ -74,7 +84,7 @@ class BumpFeeTest(BitcoinTestFramework): def test_simple_bumpfee_succeeds(rbf_node, peer_node, dest_address): - rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000}) + rbfid = spend_one_input(rbf_node, dest_address) rbftx = rbf_node.gettransaction(rbfid) sync_mempools((rbf_node, peer_node)) assert rbfid in rbf_node.getrawmempool() and rbfid in peer_node.getrawmempool() @@ -115,7 +125,7 @@ def test_segwit_bumpfee_succeeds(rbf_node, dest_address): 'vout': 0, "sequence": BIP125_SEQUENCE_NUMBER }], {dest_address: Decimal("0.0005"), - get_change_address(rbf_node): Decimal("0.0003")}) + rbf_node.getrawchangeaddress(): Decimal("0.0003")}) rbfsigned = rbf_node.signrawtransaction(rbfraw) rbfid = rbf_node.sendrawtransaction(rbfsigned["hex"]) assert rbfid in rbf_node.getrawmempool() @@ -127,7 +137,7 @@ def test_segwit_bumpfee_succeeds(rbf_node, dest_address): def test_nonrbf_bumpfee_fails(peer_node, dest_address): # cannot replace a non RBF transaction (from node which did not enable RBF) - not_rbfid = create_fund_sign_send(peer_node, {dest_address: 0.00090000}) + not_rbfid = peer_node.sendtoaddress(dest_address, Decimal("0.00090000")) assert_raises_jsonrpc(-4, "not BIP 125 replaceable", peer_node.bumpfee, not_rbfid) @@ -155,7 +165,7 @@ def test_notmine_bumpfee_fails(rbf_node, peer_node, dest_address): def test_bumpfee_with_descendant_fails(rbf_node, rbf_node_address, dest_address): # cannot bump fee if the transaction has a descendant # parent is send-to-self, so we don't have to check which output is change when creating the child tx - parent_id = create_fund_sign_send(rbf_node, {rbf_node_address: 0.00050000}) + parent_id = spend_one_input(rbf_node, rbf_node_address) tx = rbf_node.createrawtransaction([{"txid": parent_id, "vout": 0}], {dest_address: 0.00020000}) tx = rbf_node.signrawtransaction(tx) txid = rbf_node.sendrawtransaction(tx["hex"]) @@ -164,58 +174,50 @@ def test_bumpfee_with_descendant_fails(rbf_node, rbf_node_address, dest_address) def test_small_output_fails(rbf_node, dest_address): # cannot bump fee with a too-small output - rbfid = spend_one_input(rbf_node, - Decimal("0.00100000"), - {dest_address: 0.00080000, - get_change_address(rbf_node): Decimal("0.00010000")}) - rbf_node.bumpfee(rbfid, {"totalFee": 20000}) + rbfid = spend_one_input(rbf_node, dest_address) + rbf_node.bumpfee(rbfid, {"totalFee": 50000}) - rbfid = spend_one_input(rbf_node, - Decimal("0.00100000"), - {dest_address: 0.00080000, - get_change_address(rbf_node): Decimal("0.00010000")}) - assert_raises_jsonrpc(-4, "Change output is too small", rbf_node.bumpfee, rbfid, {"totalFee": 20001}) + rbfid = spend_one_input(rbf_node, dest_address) + assert_raises_jsonrpc(-4, "Change output is too small", rbf_node.bumpfee, rbfid, {"totalFee": 50001}) def test_dust_to_fee(rbf_node, dest_address): # check that if output is reduced to dust, it will be converted to fee - # the bumped tx sets fee=9900, but it converts to 10,000 - rbfid = spend_one_input(rbf_node, - Decimal("0.00100000"), - {dest_address: 0.00080000, - get_change_address(rbf_node): Decimal("0.00010000")}) + # the bumped tx sets fee=49,900, but it converts to 50,000 + rbfid = spend_one_input(rbf_node, dest_address) fulltx = rbf_node.getrawtransaction(rbfid, 1) - bumped_tx = rbf_node.bumpfee(rbfid, {"totalFee": 19900}) + bumped_tx = rbf_node.bumpfee(rbfid, {"totalFee": 49900}) full_bumped_tx = rbf_node.getrawtransaction(bumped_tx["txid"], 1) - assert_equal(bumped_tx["fee"], Decimal("0.00020000")) + assert_equal(bumped_tx["fee"], Decimal("0.00050000")) assert_equal(len(fulltx["vout"]), 2) assert_equal(len(full_bumped_tx["vout"]), 1) #change output is eliminated def test_settxfee(rbf_node, dest_address): # check that bumpfee reacts correctly to the use of settxfee (paytxfee) - # increase feerate by 2.5x, test that fee increased at least 2x - rbf_node.settxfee(Decimal("0.00001000")) - rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000}) + rbfid = spend_one_input(rbf_node, dest_address) rbftx = rbf_node.gettransaction(rbfid) - rbf_node.settxfee(Decimal("0.00002500")) + requested_feerate = Decimal("0.00025000") + rbf_node.settxfee(requested_feerate) bumped_tx = rbf_node.bumpfee(rbfid) - assert bumped_tx["fee"] > 2 * abs(rbftx["fee"]) + actual_feerate = bumped_tx["fee"] * 1000 / rbf_node.getrawtransaction(bumped_tx["txid"], True)["size"] + # Assert that the difference between the requested feerate and the actual + # feerate of the bumped transaction is small. + assert_greater_than(Decimal("0.00001000"), abs(requested_feerate - actual_feerate)) rbf_node.settxfee(Decimal("0.00000000")) # unset paytxfee def test_rebumping(rbf_node, dest_address): # check that re-bumping the original tx fails, but bumping the bumper succeeds - rbf_node.settxfee(Decimal("0.00001000")) - rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000}) - bumped = rbf_node.bumpfee(rbfid, {"totalFee": 1000}) - assert_raises_jsonrpc(-4, "already bumped", rbf_node.bumpfee, rbfid, {"totalFee": 2000}) - rbf_node.bumpfee(bumped["txid"], {"totalFee": 2000}) + rbfid = spend_one_input(rbf_node, dest_address) + bumped = rbf_node.bumpfee(rbfid, {"totalFee": 2000}) + assert_raises_jsonrpc(-4, "already bumped", rbf_node.bumpfee, rbfid, {"totalFee": 3000}) + rbf_node.bumpfee(bumped["txid"], {"totalFee": 3000}) def test_rebumping_not_replaceable(rbf_node, dest_address): # check that re-bumping a non-replaceable bump tx fails - rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000}) + rbfid = spend_one_input(rbf_node, dest_address) bumped = rbf_node.bumpfee(rbfid, {"totalFee": 10000, "replaceable": False}) assert_raises_jsonrpc(-4, "Transaction is not BIP 125 replaceable", rbf_node.bumpfee, bumped["txid"], {"totalFee": 20000}) @@ -223,7 +225,7 @@ def test_rebumping_not_replaceable(rbf_node, dest_address): def test_unconfirmed_not_spendable(rbf_node, rbf_node_address): # check that unconfirmed outputs from bumped transactions are not spendable - rbfid = create_fund_sign_send(rbf_node, {rbf_node_address: 0.00090000}) + rbfid = spend_one_input(rbf_node, rbf_node_address) rbftx = rbf_node.gettransaction(rbfid)["hex"] assert rbfid in rbf_node.getrawmempool() bumpid = rbf_node.bumpfee(rbfid)["txid"] @@ -258,7 +260,7 @@ def test_unconfirmed_not_spendable(rbf_node, rbf_node_address): def test_bumpfee_metadata(rbf_node, dest_address): - rbfid = rbf_node.sendtoaddress(dest_address, 0.00090000, "comment value", "to value") + rbfid = rbf_node.sendtoaddress(dest_address, Decimal("0.00100000"), "comment value", "to value") bumped_tx = rbf_node.bumpfee(rbfid) bumped_wtx = rbf_node.gettransaction(bumped_tx["txid"]) assert_equal(bumped_wtx["comment"], "comment value") @@ -266,43 +268,23 @@ def test_bumpfee_metadata(rbf_node, dest_address): def test_locked_wallet_fails(rbf_node, dest_address): - rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000}) + rbfid = spend_one_input(rbf_node, dest_address) rbf_node.walletlock() assert_raises_jsonrpc(-13, "Please enter the wallet passphrase with walletpassphrase first.", rbf_node.bumpfee, rbfid) -def create_fund_sign_send(node, outputs): - rawtx = node.createrawtransaction([], outputs) - fundtx = node.fundrawtransaction(rawtx) - signedtx = node.signrawtransaction(fundtx["hex"]) - txid = node.sendrawtransaction(signedtx["hex"]) - return txid - - -def spend_one_input(node, input_amount, outputs): - input = dict(sequence=BIP125_SEQUENCE_NUMBER, **next(u for u in node.listunspent() if u["amount"] == input_amount)) - rawtx = node.createrawtransaction([input], outputs) +def spend_one_input(node, dest_address): + tx_input = dict( + sequence=BIP125_SEQUENCE_NUMBER, **next(u for u in node.listunspent() if u["amount"] == Decimal("0.00100000"))) + rawtx = node.createrawtransaction( + [tx_input], {dest_address: Decimal("0.00050000"), + node.getrawchangeaddress(): Decimal("0.00049000")}) signedtx = node.signrawtransaction(rawtx) txid = node.sendrawtransaction(signedtx["hex"]) return txid -def get_change_address(node): - """Get a wallet change address. - - There is no wallet RPC to access unused change addresses, so this creates a - dummy transaction, calls fundrawtransaction to give add an input and change - output, then returns the change address.""" - dest_address = node.getnewaddress() - dest_amount = Decimal("0.00012345") - rawtx = node.createrawtransaction([], {dest_address: dest_amount}) - fundtx = node.fundrawtransaction(rawtx) - info = node.decoderawtransaction(fundtx["hex"]) - return next(address for out in info["vout"] - if out["value"] != dest_amount for address in out["scriptPubKey"]["addresses"]) - - def submit_block_with_tx(node, tx): ctx = CTransaction() ctx.deserialize(io.BytesIO(hex_str_to_bytes(tx))) |