124 lines
5.4 KiB
Python
Executable file
124 lines
5.4 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright (c) 2016-2017 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test Hierarchical Deterministic wallet function."""
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import os
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import shutil
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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connect_nodes_bi,
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)
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class WalletHDTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 2
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self.extra_args = [[], ['-keypool=0']]
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def run_test(self):
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# Make sure can't switch off usehd after wallet creation
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self.stop_node(1)
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self.nodes[1].assert_start_raises_init_error(['-usehd=0'], "Error: Error loading : You can't disable HD on an already existing HD wallet")
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self.start_node(1)
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connect_nodes_bi(self.nodes, 0, 1)
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# Make sure we use hd, keep masterkeyid
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masterkeyid = self.nodes[1].getwalletinfo()['hdmasterkeyid']
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assert_equal(len(masterkeyid), 40)
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# create an internal key
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change_addr = self.nodes[1].getrawchangeaddress()
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change_addrV= self.nodes[1].getaddressinfo(change_addr)
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assert_equal(change_addrV["hdkeypath"], "m/0'/1'/0'") #first internal child key
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# Import a non-HD private key in the HD wallet
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non_hd_add = self.nodes[0].getnewaddress()
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self.nodes[1].importprivkey(self.nodes[0].dumpprivkey(non_hd_add))
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# This should be enough to keep the master key and the non-HD key
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self.nodes[1].backupwallet(os.path.join(self.nodes[1].datadir, "hd.bak"))
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#self.nodes[1].dumpwallet(os.path.join(self.nodes[1].datadir, "hd.dump"))
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# Derive some HD addresses and remember the last
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# Also send funds to each add
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self.nodes[0].generate(101)
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hd_add = None
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NUM_HD_ADDS = 10
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for i in range(NUM_HD_ADDS):
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hd_add = self.nodes[1].getnewaddress()
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hd_info = self.nodes[1].getaddressinfo(hd_add)
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assert_equal(hd_info["hdkeypath"], "m/0'/0'/"+str(i)+"'")
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assert_equal(hd_info["hdmasterkeyid"], masterkeyid)
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self.nodes[0].sendtoaddress(hd_add, 1)
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self.nodes[0].generate(1)
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self.nodes[0].sendtoaddress(non_hd_add, 1)
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self.nodes[0].generate(1)
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# create an internal key (again)
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change_addr = self.nodes[1].getrawchangeaddress()
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change_addrV= self.nodes[1].getaddressinfo(change_addr)
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assert_equal(change_addrV["hdkeypath"], "m/0'/1'/1'") #second internal child key
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self.sync_all()
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assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
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self.log.info("Restore backup ...")
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self.stop_node(1)
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# we need to delete the complete regtest directory
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# otherwise node1 would auto-recover all funds in flag the keypool keys as used
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shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "blocks"))
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shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "chainstate"))
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shutil.copyfile(os.path.join(self.nodes[1].datadir, "hd.bak"), os.path.join(self.nodes[1].datadir, "regtest", "wallets", "wallet.dat"))
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self.start_node(1)
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# Assert that derivation is deterministic
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hd_add_2 = None
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for i in range(NUM_HD_ADDS):
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hd_add_2 = self.nodes[1].getnewaddress()
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hd_info_2 = self.nodes[1].getaddressinfo(hd_add_2)
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assert_equal(hd_info_2["hdkeypath"], "m/0'/0'/"+str(i)+"'")
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assert_equal(hd_info_2["hdmasterkeyid"], masterkeyid)
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assert_equal(hd_add, hd_add_2)
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connect_nodes_bi(self.nodes, 0, 1)
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self.sync_all()
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# Needs rescan
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self.stop_node(1)
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self.start_node(1, extra_args=self.extra_args[1] + ['-rescan'])
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assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
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# Try a RPC based rescan
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self.stop_node(1)
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shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "blocks"))
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shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "chainstate"))
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shutil.copyfile(os.path.join(self.nodes[1].datadir, "hd.bak"), os.path.join(self.nodes[1].datadir, "regtest", "wallets", "wallet.dat"))
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self.start_node(1, extra_args=self.extra_args[1])
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connect_nodes_bi(self.nodes, 0, 1)
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self.sync_all()
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# Wallet automatically scans blocks older than key on startup
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assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
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out = self.nodes[1].rescanblockchain(0, 1)
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assert_equal(out['start_height'], 0)
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assert_equal(out['stop_height'], 1)
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out = self.nodes[1].rescanblockchain()
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assert_equal(out['start_height'], 0)
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assert_equal(out['stop_height'], self.nodes[1].getblockcount())
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assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)
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# send a tx and make sure its using the internal chain for the changeoutput
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txid = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1)
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outs = self.nodes[1].decoderawtransaction(self.nodes[1].gettransaction(txid)['hex'])['vout']
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keypath = ""
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for out in outs:
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if out['value'] != 1:
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keypath = self.nodes[1].getaddressinfo(out['scriptPubKey']['addresses'][0])['hdkeypath']
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assert_equal(keypath[0:7], "m/0'/1'")
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if __name__ == '__main__':
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WalletHDTest().main ()
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