Differential D8667 Diff 26348 test/functional/wallet_keypool.py

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test/functional/wallet_keypool.py

#!/usr/bin/env python3		#!/usr/bin/env python3
# Copyright (c) 2014-2019 The Bitcoin Core developers		# Copyright (c) 2014-2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying		# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.		# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the wallet keypool and interaction with wallet encryption/locking."""		"""Test the wallet keypool and interaction with wallet encryption/locking."""
import time		import time
		from decimal import Decimal

from test_framework.test_framework import BitcoinTestFramework		from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_raises_rpc_error		from test_framework.util import assert_equal, assert_raises_rpc_error


class KeyPoolTest(BitcoinTestFramework):		class KeyPoolTest(BitcoinTestFramework):
def set_test_params(self):		def set_test_params(self):
self.num_nodes = 1		self.num_nodes = 1
▲ Show 20 Lines • Show All 69 Lines • ▼ Show 20 Lines	def run_test(self):
assert_raises_rpc_error(-12, "Keypool ran out", nodes[0].getnewaddress)		assert_raises_rpc_error(-12, "Keypool ran out", nodes[0].getnewaddress)

nodes[0].walletpassphrase('test', 100)		nodes[0].walletpassphrase('test', 100)
nodes[0].keypoolrefill(100)		nodes[0].keypoolrefill(100)
wi = nodes[0].getwalletinfo()		wi = nodes[0].getwalletinfo()
assert_equal(wi['keypoolsize_hd_internal'], 100)		assert_equal(wi['keypoolsize_hd_internal'], 100)
assert_equal(wi['keypoolsize'], 100)		assert_equal(wi['keypoolsize'], 100)

		# create a blank wallet
		nodes[0].createwallet(wallet_name='w2', blank=True)
		w2 = nodes[0].get_wallet_rpc('w2')

		# refer to initial wallet as w1
		w1 = nodes[0].get_wallet_rpc('')

		# import private key and fund it
		address = addr.pop()
		privkey = w1.dumpprivkey(address)
		res = w2.importmulti(
		[{'scriptPubKey': {'address': address}, 'keys': [privkey], 'timestamp': 'now'}])
		assert_equal(res[0]['success'], True)
		w1.walletpassphrase('test', 100)

		res = w1.sendtoaddress(address=address, amount=0.00010000)
		nodes[0].generate(1)
		destination = addr.pop()

		# Using a fee rate (10 sat / byte) well above the minimum relay rate
		# creating a 5,000 sat transaction with change should not be possible
		assert_raises_rpc_error(-4,
		"Transaction needs a change address, but we can't generate it. Please call keypoolrefill first.",
		w2.walletcreatefundedpsbt,
		inputs=[],
		outputs=[{addr.pop(): 0.00005000}],
		options={"subtractFeeFromOutputs": [0],
		"feeRate": 0.00010})

		# creating a 10,000 sat transaction without change, with a manual
		# input, should still be possible
		res = w2.walletcreatefundedpsbt(
		inputs=w2.listunspent(),
		outputs=[{destination: 0.00010000}],
		options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010})
		assert_equal("psbt" in res, True)

		# creating a 10,000 sat transaction without change should still be
		# possible
		res = w2.walletcreatefundedpsbt(
		inputs=[],
		outputs=[{destination: 0.00010000}],
		options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010})
		assert_equal("psbt" in res, True)
		# should work without subtractFeeFromOutputs if the exact fee is
		# subtracted from the amount
		res = w2.walletcreatefundedpsbt(inputs=[],
		outputs=[{destination: 0.00008000}],
		options={"feeRate": 0.00010})
		assert_equal("psbt" in res, True)

		# dust change should be removed
		res = w2.walletcreatefundedpsbt(inputs=[],
		outputs=[{destination: 0.00007900}],
		options={"feeRate": 0.00010})
		assert_equal("psbt" in res, True)

		# create a transaction without change at the maximum fee rate, such
		# that the output is still spendable:
		res = w2.walletcreatefundedpsbt(
		inputs=[],
		outputs=[{destination: 0.00010000}],
		options={"subtractFeeFromOutputs": [0], "feeRate": 0.0004949})
		assert_equal("psbt" in res, True)
		assert_equal(res["fee"], Decimal("0.00009453"))

		# creating a 10,000 sat transaction with a manual change address should
		# be possible
		res = w2.walletcreatefundedpsbt(inputs=[],
		outputs=[{destination: 0.00010000}],
		options={"subtractFeeFromOutputs": [0],
		"feeRate": 0.00010,
		"changeAddress": addr.pop()})
		assert_equal("psbt" in res, True)


if __name__ == '__main__':		if __name__ == '__main__':
KeyPoolTest().main()		KeyPoolTest().main()