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#!/usr/bin/env python3
# Copyright (c) 2014-2019 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 keypool and interaction with wallet encryption/locking."""
import time
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_raises_rpc_error
class KeyPoolTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
nodes = self.nodes
addr_before_encrypting = nodes[0].getnewaddress()
addr_before_encrypting_data = nodes[0].getaddressinfo(addr_before_encrypting)
wallet_info_old = nodes[0].getwalletinfo()
assert addr_before_encrypting_data['hdseedid'] == wallet_info_old['hdseedid']
# Encrypt wallet and wait to terminate
nodes[0].encryptwallet('test')
# Keep creating keys
addr = nodes[0].getnewaddress()
addr_data = nodes[0].getaddressinfo(addr)
wallet_info = nodes[0].getwalletinfo()
assert addr_before_encrypting_data['hdseedid'] != wallet_info['hdseedid']
assert addr_data['hdseedid'] == wallet_info['hdseedid']
assert_raises_rpc_error(-12, "Error: Keypool ran out, please call keypoolrefill first", nodes[0].getnewaddress)
# put six (plus 2) new keys in the keypool (100% external-, +100% internal-keys, 1 in min)
nodes[0].walletpassphrase('test', 12000)
nodes[0].keypoolrefill(6)
nodes[0].walletlock()
wi = nodes[0].getwalletinfo()
assert_equal(wi['keypoolsize_hd_internal'], 6)
assert_equal(wi['keypoolsize'], 6)
# drain the internal keys
nodes[0].getrawchangeaddress()
nodes[0].getrawchangeaddress()
nodes[0].getrawchangeaddress()
nodes[0].getrawchangeaddress()
nodes[0].getrawchangeaddress()
nodes[0].getrawchangeaddress()
addr = set()
# the next one should fail
assert_raises_rpc_error(-12, "Keypool ran out", nodes[0].getrawchangeaddress)
# drain the external keys
addr.add(nodes[0].getnewaddress())
addr.add(nodes[0].getnewaddress())
addr.add(nodes[0].getnewaddress())
addr.add(nodes[0].getnewaddress())
addr.add(nodes[0].getnewaddress())
addr.add(nodes[0].getnewaddress())
assert len(addr) == 6
# the next one should fail
assert_raises_rpc_error(-12, "Error: Keypool ran out, please call keypoolrefill first", nodes[0].getnewaddress)
# refill keypool with three new addresses
nodes[0].walletpassphrase('test', 1)
nodes[0].keypoolrefill(3)
# test walletpassphrase timeout
time.sleep(1.1)
assert_equal(nodes[0].getwalletinfo()["unlocked_until"], 0)
# drain the keypool
for _ in range(3):
nodes[0].getnewaddress()
assert_raises_rpc_error(-12, "Keypool ran out", nodes[0].getnewaddress)
nodes[0].walletpassphrase('test', 100)
nodes[0].keypoolrefill(100)
wi = nodes[0].getwalletinfo()
assert_equal(wi['keypoolsize_hd_internal'], 100)
assert_equal(wi['keypoolsize'], 100)
if __name__ == '__main__':
KeyPoolTest().main()
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