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-rwxr-xr-xtest/functional/wallet_keypool_topup.py74
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diff --git a/test/functional/wallet_keypool_topup.py b/test/functional/wallet_keypool_topup.py
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+++ b/test/functional/wallet_keypool_topup.py
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+#!/usr/bin/env python3
+# Copyright (c) 2017 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 HD Wallet keypool restore function.
+
+Two nodes. Node1 is under test. Node0 is providing transactions and generating blocks.
+
+- Start node1, shutdown and backup wallet.
+- Generate 110 keys (enough to drain the keypool). Store key 90 (in the initial keypool) and key 110 (beyond the initial keypool). Send funds to key 90 and key 110.
+- Stop node1, clear the datadir, move wallet file back into the datadir and restart node1.
+- connect node1 to node0. Verify that they sync and node1 receives its funds."""
+import shutil
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import (
+ assert_equal,
+ connect_nodes_bi,
+ sync_blocks,
+)
+
+class KeypoolRestoreTest(BitcoinTestFramework):
+ def set_test_params(self):
+ self.setup_clean_chain = True
+ self.num_nodes = 2
+ self.extra_args = [[], ['-keypool=100', '-keypoolmin=20']]
+
+ def run_test(self):
+ self.tmpdir = self.options.tmpdir
+ self.nodes[0].generate(101)
+
+ self.log.info("Make backup of wallet")
+
+ self.stop_node(1)
+
+ shutil.copyfile(self.tmpdir + "/node1/regtest/wallets/wallet.dat", self.tmpdir + "/wallet.bak")
+ self.start_node(1, self.extra_args[1])
+ connect_nodes_bi(self.nodes, 0, 1)
+
+ self.log.info("Generate keys for wallet")
+
+ for _ in range(90):
+ addr_oldpool = self.nodes[1].getnewaddress()
+ for _ in range(20):
+ addr_extpool = self.nodes[1].getnewaddress()
+
+ self.log.info("Send funds to wallet")
+
+ self.nodes[0].sendtoaddress(addr_oldpool, 10)
+ self.nodes[0].generate(1)
+ self.nodes[0].sendtoaddress(addr_extpool, 5)
+ self.nodes[0].generate(1)
+ sync_blocks(self.nodes)
+
+ self.log.info("Restart node with wallet backup")
+
+ self.stop_node(1)
+
+ shutil.copyfile(self.tmpdir + "/wallet.bak", self.tmpdir + "/node1/regtest/wallets/wallet.dat")
+
+ self.log.info("Verify keypool is restored and balance is correct")
+
+ self.start_node(1, self.extra_args[1])
+ connect_nodes_bi(self.nodes, 0, 1)
+ self.sync_all()
+
+ assert_equal(self.nodes[1].getbalance(), 15)
+ assert_equal(self.nodes[1].listtransactions()[0]['category'], "receive")
+
+ # Check that we have marked all keys up to the used keypool key as used
+ assert_equal(self.nodes[1].validateaddress(self.nodes[1].getnewaddress())['hdkeypath'], "m/0'/0'/110'")
+
+if __name__ == '__main__':
+ KeypoolRestoreTest().main()