bitcoin/test/functional/wallet_balance.py
John Newbery c1825b9d39 [tests] Add wallet_balance.py
Adds a test specifically to test the wallet's getbalance and
getunconfirmedbalance RPCs.
2018-11-30 10:28:01 -05:00

134 lines
6.1 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2018 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 wallet balance RPC methods."""
from decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
)
RANDOM_COINBASE_ADDRESS = 'mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ'
def create_transactions(node, address, amt, fees):
# Create and sign raw transactions from node to address for amt.
# Creates a transaction for each fee and returns an array
# of the raw transactions.
utxos = node.listunspent(0)
# Create transactions
inputs = []
ins_total = 0
for utxo in utxos:
inputs.append({"txid": utxo["txid"], "vout": utxo["vout"]})
ins_total += utxo['amount']
if ins_total > amt:
break
txs = []
for fee in fees:
outputs = {address: amt, node.getrawchangeaddress(): ins_total - amt - fee}
raw_tx = node.createrawtransaction(inputs, outputs, 0, True)
raw_tx = node.signrawtransactionwithwallet(raw_tx)
txs.append(raw_tx)
return txs
class WalletTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
self.setup_clean_chain = True
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
# Check that nodes don't own any UTXOs
assert_equal(len(self.nodes[0].listunspent()), 0)
assert_equal(len(self.nodes[1].listunspent()), 0)
self.log.info("Mining one block for each node")
self.nodes[0].generate(1)
self.sync_all()
self.nodes[1].generate(1)
self.nodes[1].generatetoaddress(100, RANDOM_COINBASE_ADDRESS)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), 50)
assert_equal(self.nodes[1].getbalance(), 50)
self.log.info("Test getbalance with different arguments")
assert_equal(self.nodes[0].getbalance("*"), 50)
assert_equal(self.nodes[0].getbalance("*", 1), 50)
assert_equal(self.nodes[0].getbalance("*", 1, True), 50)
assert_equal(self.nodes[0].getbalance(minconf=1), 50)
# Send 40 BTC from 0 to 1 and 60 BTC from 1 to 0.
txs = create_transactions(self.nodes[0], self.nodes[1].getnewaddress(), 40, [Decimal('0.01')])
self.nodes[0].sendrawtransaction(txs[0]['hex'])
self.nodes[1].sendrawtransaction(txs[0]['hex']) # sending on both nodes is faster than waiting for propagation
self.sync_all()
txs = create_transactions(self.nodes[1], self.nodes[0].getnewaddress(), 60, [Decimal('0.01'), Decimal('0.02')])
self.nodes[1].sendrawtransaction(txs[0]['hex'])
self.nodes[0].sendrawtransaction(txs[0]['hex']) # sending on both nodes is faster than waiting for propagation
self.sync_all()
# First argument of getbalance must be set to "*"
assert_raises_rpc_error(-32, "dummy first argument must be excluded or set to \"*\"", self.nodes[1].getbalance, "")
self.log.info("Test getbalance and getunconfirmedbalance with unconfirmed inputs")
# getbalance without any arguments includes unconfirmed transactions, but not untrusted transactions
assert_equal(self.nodes[0].getbalance(), Decimal('9.99')) # change from node 0's send
assert_equal(self.nodes[1].getbalance(), Decimal('29.99')) # change from node 1's send
# Same with minconf=0
assert_equal(self.nodes[0].getbalance(minconf=0), Decimal('9.99'))
assert_equal(self.nodes[1].getbalance(minconf=0), Decimal('29.99'))
# getbalance with a minconf incorrectly excludes coins that have been spent more recently than the minconf blocks ago
# TODO: fix getbalance tracking of coin spentness depth
assert_equal(self.nodes[0].getbalance(minconf=1), Decimal('0'))
assert_equal(self.nodes[1].getbalance(minconf=1), Decimal('0'))
# getunconfirmedbalance
assert_equal(self.nodes[0].getunconfirmedbalance(), Decimal('60')) # output of node 1's spend
assert_equal(self.nodes[1].getunconfirmedbalance(), Decimal('0')) # Doesn't include output of node 0's send since it was spent
# Node 1 bumps the transaction fee and resends
self.nodes[1].sendrawtransaction(txs[1]['hex'])
self.sync_all()
self.log.info("Test getbalance and getunconfirmedbalance with conflicted unconfirmed inputs")
assert_equal(self.nodes[0].getwalletinfo()["unconfirmed_balance"], Decimal('60')) # output of node 1's send
assert_equal(self.nodes[0].getunconfirmedbalance(), Decimal('60'))
assert_equal(self.nodes[1].getwalletinfo()["unconfirmed_balance"], Decimal('0')) # Doesn't include output of node 0's send since it was spent
assert_equal(self.nodes[1].getunconfirmedbalance(), Decimal('0'))
self.nodes[1].generatetoaddress(1, RANDOM_COINBASE_ADDRESS)
self.sync_all()
# balances are correct after the transactions are confirmed
assert_equal(self.nodes[0].getbalance(), Decimal('69.99')) # node 1's send plus change from node 0's send
assert_equal(self.nodes[1].getbalance(), Decimal('29.98')) # change from node 0's send
# Send total balance away from node 1
txs = create_transactions(self.nodes[1], self.nodes[0].getnewaddress(), Decimal('29.97'), [Decimal('0.01')])
self.nodes[1].sendrawtransaction(txs[0]['hex'])
self.nodes[1].generatetoaddress(2, RANDOM_COINBASE_ADDRESS)
self.sync_all()
# getbalance with a minconf incorrectly excludes coins that have been spent more recently than the minconf blocks ago
# TODO: fix getbalance tracking of coin spentness depth
# getbalance with minconf=3 should still show the old balance
assert_equal(self.nodes[1].getbalance(minconf=3), Decimal('0'))
# getbalance with minconf=2 will show the new balance.
assert_equal(self.nodes[1].getbalance(minconf=2), Decimal('0'))
if __name__ == '__main__':
WalletTest().main()