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#!/usr/bin/env python3
# Copyright (c) 2016-2019 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 Hierarchical Deterministic wallet function."""
import os
import shutil
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
connect_nodes,
assert_raises_rpc_error
)
class WalletHDTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 2
self.extra_args = [[], ['-keypool=0']]
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
# Make sure we use hd, keep masterkeyid
masterkeyid = self.nodes[1].getwalletinfo()['hdseedid']
assert_equal(len(masterkeyid), 40)
# create an internal key
change_addr = self.nodes[1].getrawchangeaddress()
change_addrV= self.nodes[1].getaddressinfo(change_addr)
assert_equal(change_addrV["hdkeypath"], "m/0'/1'/0'") #first internal child key
# Import a non-HD private key in the HD wallet
non_hd_add = self.nodes[0].getnewaddress()
self.nodes[1].importprivkey(self.nodes[0].dumpprivkey(non_hd_add))
# This should be enough to keep the master key and the non-HD key
self.nodes[1].backupwallet(os.path.join(self.nodes[1].datadir, "hd.bak"))
#self.nodes[1].dumpwallet(os.path.join(self.nodes[1].datadir, "hd.dump"))
# Derive some HD addresses and remember the last
# Also send funds to each add
self.nodes[0].generate(101)
hd_add = None
NUM_HD_ADDS = 10
for i in range(NUM_HD_ADDS):
hd_add = self.nodes[1].getnewaddress()
hd_info = self.nodes[1].getaddressinfo(hd_add)
assert_equal(hd_info["hdkeypath"], "m/0'/0'/"+str(i)+"'")
assert_equal(hd_info["hdseedid"], masterkeyid)
self.nodes[0].sendtoaddress(hd_add, 1)
self.nodes[0].generate(1)
self.nodes[0].sendtoaddress(non_hd_add, 1)
self.nodes[0].generate(1)
# create an internal key (again)
change_addr = self.nodes[1].getrawchangeaddress()
change_addrV= self.nodes[1].getaddressinfo(change_addr)
assert_equal(change_addrV["hdkeypath"], "m/0'/1'/1'") #second internal child key
self.sync_all()
assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
self.log.info("Restore backup ...")
self.stop_node(1)
# we need to delete the complete regtest directory
# otherwise node1 would auto-recover all funds in flag the keypool keys as used
shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "blocks"))
shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "chainstate"))
shutil.copyfile(os.path.join(self.nodes[1].datadir, "hd.bak"), os.path.join(self.nodes[1].datadir, "regtest", "wallets", "wallet.dat"))
self.start_node(1)
# Assert that derivation is deterministic
hd_add_2 = None
for i in range(NUM_HD_ADDS):
hd_add_2 = self.nodes[1].getnewaddress()
hd_info_2 = self.nodes[1].getaddressinfo(hd_add_2)
assert_equal(hd_info_2["hdkeypath"], "m/0'/0'/"+str(i)+"'")
assert_equal(hd_info_2["hdseedid"], masterkeyid)
assert_equal(hd_add, hd_add_2)
connect_nodes(self.nodes[0], 1)
self.sync_all()
# Needs rescan
self.stop_node(1)
self.start_node(1, extra_args=self.extra_args[1] + ['-rescan'])
assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
# Try a RPC based rescan
self.stop_node(1)
shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "blocks"))
shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "chainstate"))
shutil.copyfile(os.path.join(self.nodes[1].datadir, "hd.bak"), os.path.join(self.nodes[1].datadir, "regtest", "wallets", "wallet.dat"))
self.start_node(1, extra_args=self.extra_args[1])
connect_nodes(self.nodes[0], 1)
self.sync_all()
# Wallet automatically scans blocks older than key on startup
assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
out = self.nodes[1].rescanblockchain(0, 1)
assert_equal(out['start_height'], 0)
assert_equal(out['stop_height'], 1)
out = self.nodes[1].rescanblockchain()
assert_equal(out['start_height'], 0)
assert_equal(out['stop_height'], self.nodes[1].getblockcount())
assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
# send a tx and make sure its using the internal chain for the changeoutput
txid = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1)
outs = self.nodes[1].decoderawtransaction(self.nodes[1].gettransaction(txid)['hex'])['vout']
keypath = ""
for out in outs:
if out['value'] != 1:
keypath = self.nodes[1].getaddressinfo(out['scriptPubKey']['addresses'][0])['hdkeypath']
assert_equal(keypath[0:7], "m/0'/1'")
# Generate a new HD seed on node 1 and make sure it is set
orig_masterkeyid = self.nodes[1].getwalletinfo()['hdseedid']
self.nodes[1].sethdseed()
new_masterkeyid = self.nodes[1].getwalletinfo()['hdseedid']
assert orig_masterkeyid != new_masterkeyid
addr = self.nodes[1].getnewaddress()
assert_equal(self.nodes[1].getaddressinfo(addr)['hdkeypath'], 'm/0\'/0\'/0\'') # Make sure the new address is the first from the keypool
self.nodes[1].keypoolrefill(1) # Fill keypool with 1 key
# Set a new HD seed on node 1 without flushing the keypool
new_seed = self.nodes[0].dumpprivkey(self.nodes[0].getnewaddress())
orig_masterkeyid = new_masterkeyid
self.nodes[1].sethdseed(False, new_seed)
new_masterkeyid = self.nodes[1].getwalletinfo()['hdseedid']
assert orig_masterkeyid != new_masterkeyid
addr = self.nodes[1].getnewaddress()
assert_equal(orig_masterkeyid, self.nodes[1].getaddressinfo(addr)['hdseedid'])
assert_equal(self.nodes[1].getaddressinfo(addr)['hdkeypath'], 'm/0\'/0\'/1\'') # Make sure the new address continues previous keypool
# Check that the next address is from the new seed
self.nodes[1].keypoolrefill(1)
next_addr = self.nodes[1].getnewaddress()
assert_equal(new_masterkeyid, self.nodes[1].getaddressinfo(next_addr)['hdseedid'])
assert_equal(self.nodes[1].getaddressinfo(next_addr)['hdkeypath'], 'm/0\'/0\'/0\'') # Make sure the new address is not from previous keypool
assert next_addr != addr
# Sethdseed parameter validity
assert_raises_rpc_error(-1, 'sethdseed', self.nodes[0].sethdseed, False, new_seed, 0)
assert_raises_rpc_error(-5, "Invalid private key", self.nodes[1].sethdseed, False, "not_wif")
assert_raises_rpc_error(-1, "JSON value is not a boolean as expected", self.nodes[1].sethdseed, "Not_bool")
assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[1].sethdseed, False, True)
assert_raises_rpc_error(-5, "Already have this key", self.nodes[1].sethdseed, False, new_seed)
assert_raises_rpc_error(-5, "Already have this key", self.nodes[1].sethdseed, False, self.nodes[1].dumpprivkey(self.nodes[1].getnewaddress()))
if __name__ == '__main__':
WalletHDTest().main ()
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