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kevacoin/test/functional/bumpfee.py

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[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
#!/usr/bin/env python3
# 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.
Fix docstrings in qa tests This commit fixes the module-level docstrings for the tests and helper modules in qa. Many of these tests were uncommented previously - this commit ensures that every test case has at least a minimum level of commenting.
8 years ago
"""Test the bumpfee RPC."""
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
from segwit import send_to_witness
from test_framework.test_framework import BitcoinTestFramework
from test_framework import blocktools
from test_framework.mininode import CTransaction
from test_framework.util import *
import io
# Sequence number that is BIP 125 opt-in and BIP 68-compliant
BIP125_SEQUENCE_NUMBER = 0xfffffffd
WALLET_PASSPHRASE = "test"
WALLET_PASSPHRASE_TIMEOUT = 3600
class BumpFeeTest(BitcoinTestFramework):
def __init__(self):
super().__init__()
self.num_nodes = 2
self.setup_clean_chain = True
def setup_network(self, split=False):
Remove manual debug settings in qa tests. -debug and -logtimemicros are now set by default. Individual test cases no longer need to set these parameters manually.
7 years ago
extra_args = [["-prematurewitness", "-walletprematurewitness", "-walletrbf={}".format(i)]
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
for i in range(self.num_nodes)]
self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
# Encrypt wallet for test_locked_wallet_fails test
self.nodes[1].encryptwallet(WALLET_PASSPHRASE)
bitcoind_processes[1].wait()
self.nodes[1] = start_node(1, self.options.tmpdir, extra_args[1])
self.nodes[1].walletpassphrase(WALLET_PASSPHRASE, WALLET_PASSPHRASE_TIMEOUT)
connect_nodes_bi(self.nodes, 0, 1)
self.is_network_split = False
self.sync_all()
def run_test(self):
peer_node, rbf_node = self.nodes
rbf_node_address = rbf_node.getnewaddress()
# fund rbf node with 10 coins of 0.001 btc (100,000 satoshis)
Use logging in individual tests
7 years ago
self.log.info("Mining blocks...")
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
peer_node.generate(110)
self.sync_all()
for i in range(25):
peer_node.sendtoaddress(rbf_node_address, 0.001)
self.sync_all()
peer_node.generate(1)
self.sync_all()
assert_equal(rbf_node.getbalance(), Decimal("0.025"))
Use logging in individual tests
7 years ago
self.log.info("Running tests")
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
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_settxfee(rbf_node, dest_address)
test_rebumping(rbf_node, dest_address)
test_rebumping_not_replaceable(rbf_node, dest_address)
test_unconfirmed_not_spendable(rbf_node, rbf_node_address)
[wallet] Set correct metadata on bumpfee wallet transactions Preserve comment, order form, and account strings from the original wallet transaction. Also set fTimeReceivedIsTxTime and fFromMe fields for consistency with CWallet::CreateTransaction. The latter two fields don't influence current wallet behavior, but do record that the transaction originated in the wallet instead of coming from the network or sendrawtransaction.
8 years ago
test_bumpfee_metadata(rbf_node, dest_address)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
test_locked_wallet_fails(rbf_node, dest_address)
Use logging in individual tests
7 years ago
self.log.info("Success")
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
def test_simple_bumpfee_succeeds(rbf_node, peer_node, dest_address):
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
rbfid = spend_one_input(rbf_node, dest_address)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
rbftx = rbf_node.gettransaction(rbfid)
sync_mempools((rbf_node, peer_node))
assert rbfid in rbf_node.getrawmempool() and rbfid in peer_node.getrawmempool()
bumped_tx = rbf_node.bumpfee(rbfid)
assert bumped_tx["fee"] - abs(rbftx["fee"]) > 0
# check that bumped_tx propogates, original tx was evicted and has a wallet conflict
sync_mempools((rbf_node, peer_node))
assert bumped_tx["txid"] in rbf_node.getrawmempool()
assert bumped_tx["txid"] in peer_node.getrawmempool()
assert rbfid not in rbf_node.getrawmempool()
assert rbfid not in peer_node.getrawmempool()
oldwtx = rbf_node.gettransaction(rbfid)
assert len(oldwtx["walletconflicts"]) > 0
# check wallet transaction replaces and replaced_by values
bumpedwtx = rbf_node.gettransaction(bumped_tx["txid"])
assert_equal(oldwtx["replaced_by_txid"], bumped_tx["txid"])
assert_equal(bumpedwtx["replaces_txid"], rbfid)
def test_segwit_bumpfee_succeeds(rbf_node, dest_address):
# Create a transaction with segwit output, then create an RBF transaction
# which spends it, and make sure bumpfee can be called on it.
segwit_in = next(u for u in rbf_node.listunspent() if u["amount"] == Decimal("0.001"))
segwit_out = rbf_node.validateaddress(rbf_node.getnewaddress())
rbf_node.addwitnessaddress(segwit_out["address"])
segwitid = send_to_witness(
Improve readability of segwit.py
7 years ago
use_p2wsh=False,
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
node=rbf_node,
utxo=segwit_in,
pubkey=segwit_out["pubkey"],
encode_p2sh=False,
amount=Decimal("0.0009"),
sign=True)
rbfraw = rbf_node.createrawtransaction([{
'txid': segwitid,
'vout': 0,
"sequence": BIP125_SEQUENCE_NUMBER
}], {dest_address: Decimal("0.0005"),
[qa] Remove bumpfee.py get_change_address hack
8 years ago
rbf_node.getrawchangeaddress(): Decimal("0.0003")})
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
rbfsigned = rbf_node.signrawtransaction(rbfraw)
rbfid = rbf_node.sendrawtransaction(rbfsigned["hex"])
assert rbfid in rbf_node.getrawmempool()
bumped_tx = rbf_node.bumpfee(rbfid)
assert bumped_tx["txid"] in rbf_node.getrawmempool()
assert rbfid not in rbf_node.getrawmempool()
def test_nonrbf_bumpfee_fails(peer_node, dest_address):
# cannot replace a non RBF transaction (from node which did not enable RBF)
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
not_rbfid = peer_node.sendtoaddress(dest_address, Decimal("0.00090000"))
Return correct error codes in bumpfee(). The bumpfee() RPC was returning misleading or incorrect error codes (for example RPC_INVALID_ADDRESS_OR_KEY when the transaction was not BIP125 replacable). This commit fixes those error codes: - RPC_INVALID_ADDRESS_OR_KEY if an invalid address was provided: - Invalid change address given - RPC_INVALID_PARAMETER if a single (non-address/key) parameter is incorrect - confTarget and totalFee options should not both be set. - Invalid confTarget - Insufficient totalFee (cannot be less than required fee) - RPC_WALLET_ERROR for any other error - Transaction has descendants in the wallet - Transaction has descendants in the mempool - Transaction has been mined, or is conflicted with a mined transaction - Transaction is not BIP 125 replaceable - Transaction has already been bumped - Transaction contains inputs that don't belong to the wallet - Transaction has multiple change outputs - Transaction does not have a change output - Fee is higher than maxTxFee - New fee rate is less than the minimum fee rate - Change output is too small. This commit also updates the test cases to explicitly test the error code.
8 years ago
assert_raises_jsonrpc(-4, "not BIP 125 replaceable", peer_node.bumpfee, not_rbfid)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
def test_notmine_bumpfee_fails(rbf_node, peer_node, dest_address):
# cannot bump fee unless the tx has only inputs that we own.
# here, the rbftx has a peer_node coin and then adds a rbf_node input
# Note that this test depends upon the RPC code checking input ownership prior to change outputs
# (since it can't use fundrawtransaction, it lacks a proper change output)
utxos = [node.listunspent()[-1] for node in (rbf_node, peer_node)]
inputs = [{
"txid": utxo["txid"],
"vout": utxo["vout"],
"address": utxo["address"],
"sequence": BIP125_SEQUENCE_NUMBER
} for utxo in utxos]
output_val = sum(utxo["amount"] for utxo in utxos) - Decimal("0.001")
rawtx = rbf_node.createrawtransaction(inputs, {dest_address: output_val})
signedtx = rbf_node.signrawtransaction(rawtx)
signedtx = peer_node.signrawtransaction(signedtx["hex"])
rbfid = rbf_node.sendrawtransaction(signedtx["hex"])
Return correct error codes in bumpfee(). The bumpfee() RPC was returning misleading or incorrect error codes (for example RPC_INVALID_ADDRESS_OR_KEY when the transaction was not BIP125 replacable). This commit fixes those error codes: - RPC_INVALID_ADDRESS_OR_KEY if an invalid address was provided: - Invalid change address given - RPC_INVALID_PARAMETER if a single (non-address/key) parameter is incorrect - confTarget and totalFee options should not both be set. - Invalid confTarget - Insufficient totalFee (cannot be less than required fee) - RPC_WALLET_ERROR for any other error - Transaction has descendants in the wallet - Transaction has descendants in the mempool - Transaction has been mined, or is conflicted with a mined transaction - Transaction is not BIP 125 replaceable - Transaction has already been bumped - Transaction contains inputs that don't belong to the wallet - Transaction has multiple change outputs - Transaction does not have a change output - Fee is higher than maxTxFee - New fee rate is less than the minimum fee rate - Change output is too small. This commit also updates the test cases to explicitly test the error code.
8 years ago
assert_raises_jsonrpc(-4, "Transaction contains inputs that don't belong to this wallet",
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
rbf_node.bumpfee, rbfid)
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
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
parent_id = spend_one_input(rbf_node, rbf_node_address)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
tx = rbf_node.createrawtransaction([{"txid": parent_id, "vout": 0}], {dest_address: 0.00020000})
tx = rbf_node.signrawtransaction(tx)
txid = rbf_node.sendrawtransaction(tx["hex"])
Return correct error codes in bumpfee(). The bumpfee() RPC was returning misleading or incorrect error codes (for example RPC_INVALID_ADDRESS_OR_KEY when the transaction was not BIP125 replacable). This commit fixes those error codes: - RPC_INVALID_ADDRESS_OR_KEY if an invalid address was provided: - Invalid change address given - RPC_INVALID_PARAMETER if a single (non-address/key) parameter is incorrect - confTarget and totalFee options should not both be set. - Invalid confTarget - Insufficient totalFee (cannot be less than required fee) - RPC_WALLET_ERROR for any other error - Transaction has descendants in the wallet - Transaction has descendants in the mempool - Transaction has been mined, or is conflicted with a mined transaction - Transaction is not BIP 125 replaceable - Transaction has already been bumped - Transaction contains inputs that don't belong to the wallet - Transaction has multiple change outputs - Transaction does not have a change output - Fee is higher than maxTxFee - New fee rate is less than the minimum fee rate - Change output is too small. This commit also updates the test cases to explicitly test the error code.
8 years ago
assert_raises_jsonrpc(-8, "Transaction has descendants in the wallet", rbf_node.bumpfee, parent_id)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
def test_small_output_fails(rbf_node, dest_address):
# cannot bump fee with a too-small output
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
rbfid = spend_one_input(rbf_node, dest_address)
rbf_node.bumpfee(rbfid, {"totalFee": 50000})
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
rbfid = spend_one_input(rbf_node, dest_address)
assert_raises_jsonrpc(-4, "Change output is too small", rbf_node.bumpfee, rbfid, {"totalFee": 50001})
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
def test_dust_to_fee(rbf_node, dest_address):
# check that if output is reduced to dust, it will be converted to fee
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
# the bumped tx sets fee=49,900, but it converts to 50,000
rbfid = spend_one_input(rbf_node, dest_address)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
fulltx = rbf_node.getrawtransaction(rbfid, 1)
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
bumped_tx = rbf_node.bumpfee(rbfid, {"totalFee": 49900})
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
full_bumped_tx = rbf_node.getrawtransaction(bumped_tx["txid"], 1)
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
assert_equal(bumped_tx["fee"], Decimal("0.00050000"))
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
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)
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
rbfid = spend_one_input(rbf_node, dest_address)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
rbftx = rbf_node.gettransaction(rbfid)
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
requested_feerate = Decimal("0.00025000")
rbf_node.settxfee(requested_feerate)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
bumped_tx = rbf_node.bumpfee(rbfid)
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
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))
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
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
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
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})
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
def test_rebumping_not_replaceable(rbf_node, dest_address):
# check that re-bumping a non-replaceable bump tx fails
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
rbfid = spend_one_input(rbf_node, dest_address)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
bumped = rbf_node.bumpfee(rbfid, {"totalFee": 10000, "replaceable": False})
Return correct error codes in bumpfee(). The bumpfee() RPC was returning misleading or incorrect error codes (for example RPC_INVALID_ADDRESS_OR_KEY when the transaction was not BIP125 replacable). This commit fixes those error codes: - RPC_INVALID_ADDRESS_OR_KEY if an invalid address was provided: - Invalid change address given - RPC_INVALID_PARAMETER if a single (non-address/key) parameter is incorrect - confTarget and totalFee options should not both be set. - Invalid confTarget - Insufficient totalFee (cannot be less than required fee) - RPC_WALLET_ERROR for any other error - Transaction has descendants in the wallet - Transaction has descendants in the mempool - Transaction has been mined, or is conflicted with a mined transaction - Transaction is not BIP 125 replaceable - Transaction has already been bumped - Transaction contains inputs that don't belong to the wallet - Transaction has multiple change outputs - Transaction does not have a change output - Fee is higher than maxTxFee - New fee rate is less than the minimum fee rate - Change output is too small. This commit also updates the test cases to explicitly test the error code.
8 years ago
assert_raises_jsonrpc(-4, "Transaction is not BIP 125 replaceable", rbf_node.bumpfee, bumped["txid"],
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
{"totalFee": 20000})
def test_unconfirmed_not_spendable(rbf_node, rbf_node_address):
# check that unconfirmed outputs from bumped transactions are not spendable
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
rbfid = spend_one_input(rbf_node, rbf_node_address)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
rbftx = rbf_node.gettransaction(rbfid)["hex"]
assert rbfid in rbf_node.getrawmempool()
bumpid = rbf_node.bumpfee(rbfid)["txid"]
assert bumpid in rbf_node.getrawmempool()
assert rbfid not in rbf_node.getrawmempool()
# check that outputs from the bump transaction are not spendable
# due to the replaces_txid check in CWallet::AvailableCoins
assert_equal([t for t in rbf_node.listunspent(minconf=0, include_unsafe=False) if t["txid"] == bumpid], [])
# submit a block with the rbf tx to clear the bump tx out of the mempool,
# then call abandon to make sure the wallet doesn't attempt to resubmit the
# bump tx, then invalidate the block so the rbf tx will be put back in the
# mempool. this makes it possible to check whether the rbf tx outputs are
# spendable before the rbf tx is confirmed.
block = submit_block_with_tx(rbf_node, rbftx)
rbf_node.abandontransaction(bumpid)
rbf_node.invalidateblock(block.hash)
assert bumpid not in rbf_node.getrawmempool()
assert rbfid in rbf_node.getrawmempool()
# check that outputs from the rbf tx are not spendable before the
# transaction is confirmed, due to the replaced_by_txid check in
# CWallet::AvailableCoins
assert_equal([t for t in rbf_node.listunspent(minconf=0, include_unsafe=False) if t["txid"] == rbfid], [])
# check that the main output from the rbf tx is spendable after confirmed
rbf_node.generate(1)
assert_equal(
sum(1 for t in rbf_node.listunspent(minconf=0, include_unsafe=False)
if t["txid"] == rbfid and t["address"] == rbf_node_address and t["spendable"]), 1)
[wallet] Set correct metadata on bumpfee wallet transactions Preserve comment, order form, and account strings from the original wallet transaction. Also set fTimeReceivedIsTxTime and fFromMe fields for consistency with CWallet::CreateTransaction. The latter two fields don't influence current wallet behavior, but do record that the transaction originated in the wallet instead of coming from the network or sendrawtransaction.
8 years ago
def test_bumpfee_metadata(rbf_node, dest_address):
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
rbfid = rbf_node.sendtoaddress(dest_address, Decimal("0.00100000"), "comment value", "to value")
[wallet] Set correct metadata on bumpfee wallet transactions Preserve comment, order form, and account strings from the original wallet transaction. Also set fTimeReceivedIsTxTime and fFromMe fields for consistency with CWallet::CreateTransaction. The latter two fields don't influence current wallet behavior, but do record that the transaction originated in the wallet instead of coming from the network or sendrawtransaction.
8 years ago
bumped_tx = rbf_node.bumpfee(rbfid)
bumped_wtx = rbf_node.gettransaction(bumped_tx["txid"])
assert_equal(bumped_wtx["comment"], "comment value")
assert_equal(bumped_wtx["to"], "to value")
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
def test_locked_wallet_fails(rbf_node, dest_address):
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
rbfid = spend_one_input(rbf_node, dest_address)
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
rbf_node.walletlock()
Return correct error codes in bumpfee(). The bumpfee() RPC was returning misleading or incorrect error codes (for example RPC_INVALID_ADDRESS_OR_KEY when the transaction was not BIP125 replacable). This commit fixes those error codes: - RPC_INVALID_ADDRESS_OR_KEY if an invalid address was provided: - Invalid change address given - RPC_INVALID_PARAMETER if a single (non-address/key) parameter is incorrect - confTarget and totalFee options should not both be set. - Invalid confTarget - Insufficient totalFee (cannot be less than required fee) - RPC_WALLET_ERROR for any other error - Transaction has descendants in the wallet - Transaction has descendants in the mempool - Transaction has been mined, or is conflicted with a mined transaction - Transaction is not BIP 125 replaceable - Transaction has already been bumped - Transaction contains inputs that don't belong to the wallet - Transaction has multiple change outputs - Transaction does not have a change output - Fee is higher than maxTxFee - New fee rate is less than the minimum fee rate - Change output is too small. This commit also updates the test cases to explicitly test the error code.
8 years ago
assert_raises_jsonrpc(-13, "Please enter the wallet passphrase with walletpassphrase first.",
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
rbf_node.bumpfee, rbfid)
[qa] Get rid of nondeterminism in bumpfee.py Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
8 years ago
def spend_one_input(node, dest_address):
input = dict(
sequence=BIP125_SEQUENCE_NUMBER, **next(u for u in node.listunspent() if u["amount"] == Decimal("0.00100000")))
rawtx = node.createrawtransaction(
[input], {dest_address: Decimal("0.00050000"),
node.getrawchangeaddress(): Decimal("0.00049000")})
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
signedtx = node.signrawtransaction(rawtx)
txid = node.sendrawtransaction(signedtx["hex"])
return txid
def submit_block_with_tx(node, tx):
ctx = CTransaction()
ctx.deserialize(io.BytesIO(hex_str_to_bytes(tx)))
tip = node.getbestblockhash()
height = node.getblockcount() + 1
block_time = node.getblockheader(tip)["mediantime"] + 1
block = blocktools.create_block(int(tip, 16), blocktools.create_coinbase(height), block_time)
block.vtx.append(ctx)
block.rehash()
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
Return correct error codes in bumpfee(). The bumpfee() RPC was returning misleading or incorrect error codes (for example RPC_INVALID_ADDRESS_OR_KEY when the transaction was not BIP125 replacable). This commit fixes those error codes: - RPC_INVALID_ADDRESS_OR_KEY if an invalid address was provided: - Invalid change address given - RPC_INVALID_PARAMETER if a single (non-address/key) parameter is incorrect - confTarget and totalFee options should not both be set. - Invalid confTarget - Insufficient totalFee (cannot be less than required fee) - RPC_WALLET_ERROR for any other error - Transaction has descendants in the wallet - Transaction has descendants in the mempool - Transaction has been mined, or is conflicted with a mined transaction - Transaction is not BIP 125 replaceable - Transaction has already been bumped - Transaction contains inputs that don't belong to the wallet - Transaction has multiple change outputs - Transaction does not have a change output - Fee is higher than maxTxFee - New fee rate is less than the minimum fee rate - Change output is too small. This commit also updates the test cases to explicitly test the error code.
8 years ago
node.submitblock(bytes_to_hex_str(block.serialize(True)))
[RPC] bumpfee This command allows a user to increase the fee on a wallet transaction T, creating a "bumper" transaction B. T must signal that it is BIP-125 replaceable. T's change output is decremented to pay the additional fee. (B will not add inputs to T.) T cannot have any descendant transactions. Once B bumps T, neither T nor B's outputs can be spent until either T or (more likely) B is mined. Includes code by @jonasschnelli and @ryanofsky
8 years ago
return block
if __name__ == "__main__":
BumpFeeTest().main()