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#!/usr/bin/env python3
# Copyright (c) 2020 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 coinstatsindex across nodes.
Test that the values returned by gettxoutsetinfo are consistent
between a node running the coinstatsindex and a node without
the index.
"""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
try_rpc,
)
class CoinStatsIndexTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 2
self.supports_cli = False
self.extra_args = [
[],
["-coinstatsindex"]
]
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
self._test_coin_stats_index()
def _test_coin_stats_index(self):
node = self.nodes[0]
index_node = self.nodes[1]
# Both none and muhash options allow the usage of the index
index_hash_options = ['none', 'muhash']
# Generate a normal transaction and mine it
node.generate(101)
address = self.nodes[0].get_deterministic_priv_key().address
node.sendtoaddress(address=address, amount=10, subtractfeefromamount=True)
node.generate(1)
self.sync_blocks(timeout=120)
self.log.info("Test that gettxoutsetinfo() output is consistent with or without coinstatsindex option")
self.wait_until(lambda: not try_rpc(-32603, "Unable to read UTXO set", node.gettxoutsetinfo))
res0 = node.gettxoutsetinfo('none')
# The fields 'disk_size' and 'transactions' do not exist on the index
del res0['disk_size'], res0['transactions']
self.wait_until(lambda: not try_rpc(-32603, "Unable to read UTXO set", index_node.gettxoutsetinfo, 'muhash'))
for hash_option in index_hash_options:
res1 = index_node.gettxoutsetinfo(hash_option)
res1.pop('muhash', None)
# Everything left should be the same
assert_equal(res1, res0)
self.log.info("Test that gettxoutsetinfo() can get fetch data on specific heights with index")
# Generate a new tip
node.generate(5)
self.wait_until(lambda: not try_rpc(-32603, "Unable to read UTXO set", index_node.gettxoutsetinfo, 'muhash'))
for hash_option in index_hash_options:
# Fetch old stats by height
res2 = index_node.gettxoutsetinfo(hash_option, 102)
res2.pop('muhash', None)
assert_equal(res0, res2)
# Fetch old stats by hash
res3 = index_node.gettxoutsetinfo(hash_option, res0['bestblock'])
res3.pop('muhash', None)
assert_equal(res0, res3)
# It does not work without coinstatsindex
assert_raises_rpc_error(-8, "Querying specific block heights requires coinstatsindex", node.gettxoutsetinfo, hash_option, 102)
if __name__ == '__main__':
CoinStatsIndexTest().main()
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