#!/usr/bin/env python3 # Copyright (c) 2016-2021 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.blocktools import COINBASE_MATURITY from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, assert_raises_rpc_error, ) class WalletHDTest(BitcoinTestFramework): def add_options(self, parser): self.add_wallet_options(parser) def set_test_params(self): self.setup_clean_chain = True self.num_nodes = 2 self.extra_args = [[], ['-keypool=0']] # whitelist peers to speed up tx relay / mempool sync for args in self.extra_args: args.append("-whitelist=noban@127.0.0.1") self.supports_cli = False def skip_test_if_missing_module(self): self.skip_if_no_wallet() def run_test(self): # Make sure we use hd, keep masterkeyid hd_fingerprint = self.nodes[1].getaddressinfo(self.nodes[1].getnewaddress())['hdmasterfingerprint'] assert_equal(len(hd_fingerprint), 8) # create an internal key change_addr = self.nodes[1].getrawchangeaddress() change_addrV = self.nodes[1].getaddressinfo(change_addr) if self.options.descriptors: assert_equal(change_addrV["hdkeypath"], "m/84'/1'/0'/1/0") else: 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 = 'bcrt1qmevj8zfx0wdvp05cqwkmr6mxkfx60yezwjksmt' non_hd_key = 'cS9umN9w6cDMuRVYdbkfE4c7YUFLJRoXMfhQ569uY4odiQbVN8Rt' self.nodes[1].importprivkey(non_hd_key) # 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.generate(self.nodes[0], COINBASE_MATURITY + 1) hd_add = None NUM_HD_ADDS = 10 for i in range(1, NUM_HD_ADDS + 1): hd_add = self.nodes[1].getnewaddress() hd_info = self.nodes[1].getaddressinfo(hd_add) if self.options.descriptors: assert_equal(hd_info["hdkeypath"], "m/84'/1'/0'/0/" + str(i)) else: assert_equal(hd_info["hdkeypath"], "m/0'/0'/" + str(i) + "'") assert_equal(hd_info["hdmasterfingerprint"], hd_fingerprint) self.nodes[0].sendtoaddress(hd_add, 1) self.generate(self.nodes[0], 1) self.nodes[0].sendtoaddress(non_hd_add, 1) self.generate(self.nodes[0], 1) # create an internal key (again) change_addr = self.nodes[1].getrawchangeaddress() change_addrV = self.nodes[1].getaddressinfo(change_addr) if self.options.descriptors: assert_equal(change_addrV["hdkeypath"], "m/84'/1'/0'/1/1") else: 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 chain directory # otherwise node1 would auto-recover all funds in flag the keypool keys as used shutil.rmtree(os.path.join(self.nodes[1].datadir, self.chain, "blocks")) shutil.rmtree(os.path.join(self.nodes[1].datadir, self.chain, "chainstate")) shutil.copyfile( os.path.join(self.nodes[1].datadir, "hd.bak"), os.path.join(self.nodes[1].datadir, self.chain, 'wallets', self.default_wallet_name, self.wallet_data_filename), ) self.start_node(1) # Assert that derivation is deterministic hd_add_2 = None for i in range(1, NUM_HD_ADDS + 1): hd_add_2 = self.nodes[1].getnewaddress() hd_info_2 = self.nodes[1].getaddressinfo(hd_add_2) if self.options.descriptors: assert_equal(hd_info_2["hdkeypath"], "m/84'/1'/0'/0/" + str(i)) else: assert_equal(hd_info_2["hdkeypath"], "m/0'/0'/" + str(i) + "'") assert_equal(hd_info_2["hdmasterfingerprint"], hd_fingerprint) assert_equal(hd_add, hd_add_2) self.connect_nodes(0, 1) self.sync_all() # Needs rescan self.nodes[1].rescanblockchain() 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, self.chain, "blocks")) shutil.rmtree(os.path.join(self.nodes[1].datadir, self.chain, "chainstate")) shutil.copyfile( os.path.join(self.nodes[1].datadir, "hd.bak"), os.path.join(self.nodes[1].datadir, self.chain, "wallets", self.default_wallet_name, self.wallet_data_filename), ) self.start_node(1, extra_args=self.extra_args[1]) self.connect_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].gettransaction(txid=txid, verbose=True)['decoded']['vout'] keypath = "" for out in outs: if out['value'] != 1: keypath = self.nodes[1].getaddressinfo(out['scriptPubKey']['address'])['hdkeypath'] if self.options.descriptors: assert_equal(keypath[0:14], "m/84'/1'/0'/1/") else: assert_equal(keypath[0:7], "m/0'/1'") if not self.options.descriptors: # 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() # Make sure the new address is the first from the keypool assert_equal(self.nodes[1].getaddressinfo(addr)['hdkeypath'], 'm/0\'/0\'/0\'') 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']) # Make sure the new address continues previous keypool assert_equal(self.nodes[1].getaddressinfo(addr)['hdkeypath'], 'm/0\'/0\'/1\'') # 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']) # Make sure the new address is not from previous keypool assert_equal(self.nodes[1].getaddressinfo(next_addr)['hdkeypath'], 'm/0\'/0\'/0\'') 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(-3, "JSON value of type string is not of expected type bool", self.nodes[1].sethdseed, "Not_bool") assert_raises_rpc_error(-3, "JSON value of type bool is not of expected type string", 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())) self.log.info('Test sethdseed restoring with keys outside of the initial keypool') self.generate(self.nodes[0], 10) # Restart node 1 with keypool of 3 and a different wallet self.nodes[1].createwallet(wallet_name='origin', blank=True) self.restart_node(1, extra_args=['-keypool=3', '-wallet=origin']) self.connect_nodes(0, 1) # sethdseed restoring and seeing txs to addresses out of the keypool origin_rpc = self.nodes[1].get_wallet_rpc('origin') seed = self.nodes[0].dumpprivkey(self.nodes[0].getnewaddress()) origin_rpc.sethdseed(True, seed) self.nodes[1].createwallet(wallet_name='restore', blank=True) restore_rpc = self.nodes[1].get_wallet_rpc('restore') restore_rpc.sethdseed(True, seed) # Set to be the same seed as origin_rpc restore_rpc.sethdseed(True) # Rotate to a new seed, making original `seed` inactive self.nodes[1].createwallet(wallet_name='restore2', blank=True) restore2_rpc = self.nodes[1].get_wallet_rpc('restore2') restore2_rpc.sethdseed(True, seed) # Set to be the same seed as origin_rpc restore2_rpc.sethdseed(True) # Rotate to a new seed, making original `seed` inactive # Check persistence of inactive seed by reloading restore. restore2 is still loaded to test the case where the wallet is not reloaded restore_rpc.unloadwallet() self.nodes[1].loadwallet('restore') restore_rpc = self.nodes[1].get_wallet_rpc('restore') # Empty origin keypool and get an address that is beyond the initial keypool origin_rpc.getnewaddress() origin_rpc.getnewaddress() last_addr = origin_rpc.getnewaddress() # Last address of initial keypool addr = origin_rpc.getnewaddress() # First address beyond initial keypool # Check that the restored seed has last_addr but does not have addr info = restore_rpc.getaddressinfo(last_addr) assert_equal(info['ismine'], True) info = restore_rpc.getaddressinfo(addr) assert_equal(info['ismine'], False) info = restore2_rpc.getaddressinfo(last_addr) assert_equal(info['ismine'], True) info = restore2_rpc.getaddressinfo(addr) assert_equal(info['ismine'], False) # Check that the origin seed has addr info = origin_rpc.getaddressinfo(addr) assert_equal(info['ismine'], True) # Send a transaction to addr, which is out of the initial keypool. # The wallet that has set a new seed (restore_rpc) should not detect this transaction. txid = self.nodes[0].sendtoaddress(addr, 1) origin_rpc.sendrawtransaction(self.nodes[0].gettransaction(txid)['hex']) self.generate(self.nodes[0], 1) origin_rpc.gettransaction(txid) assert_raises_rpc_error(-5, 'Invalid or non-wallet transaction id', restore_rpc.gettransaction, txid) out_of_kp_txid = txid # Send a transaction to last_addr, which is in the initial keypool. # The wallet that has set a new seed (restore_rpc) should detect this transaction and generate 3 new keys from the initial seed. # The previous transaction (out_of_kp_txid) should still not be detected as a rescan is required. txid = self.nodes[0].sendtoaddress(last_addr, 1) origin_rpc.sendrawtransaction(self.nodes[0].gettransaction(txid)['hex']) self.generate(self.nodes[0], 1) origin_rpc.gettransaction(txid) restore_rpc.gettransaction(txid) assert_raises_rpc_error(-5, 'Invalid or non-wallet transaction id', restore_rpc.gettransaction, out_of_kp_txid) restore2_rpc.gettransaction(txid) assert_raises_rpc_error(-5, 'Invalid or non-wallet transaction id', restore2_rpc.gettransaction, out_of_kp_txid) # After rescanning, restore_rpc should now see out_of_kp_txid and generate an additional key. # addr should now be part of restore_rpc and be ismine restore_rpc.rescanblockchain() restore_rpc.gettransaction(out_of_kp_txid) info = restore_rpc.getaddressinfo(addr) assert_equal(info['ismine'], True) restore2_rpc.rescanblockchain() restore2_rpc.gettransaction(out_of_kp_txid) info = restore2_rpc.getaddressinfo(addr) assert_equal(info['ismine'], True) # Check again that 3 keys were derived. # Empty keypool and get an address that is beyond the initial keypool origin_rpc.getnewaddress() origin_rpc.getnewaddress() last_addr = origin_rpc.getnewaddress() addr = origin_rpc.getnewaddress() # Check that the restored seed has last_addr but does not have addr info = restore_rpc.getaddressinfo(last_addr) assert_equal(info['ismine'], True) info = restore_rpc.getaddressinfo(addr) assert_equal(info['ismine'], False) info = restore2_rpc.getaddressinfo(last_addr) assert_equal(info['ismine'], True) info = restore2_rpc.getaddressinfo(addr) assert_equal(info['ismine'], False) if __name__ == '__main__': WalletHDTest().main()