dash/qa/rpc-tests/blockchain.py
Pieter Wuille fc5ced317f Merge #10445: Add test for empty chain and reorg consistency for gettxoutsetinfo.
513da90cd Add test for empty chain and reorg consistency for gettxoutsetinfo. (Gregory Maxwell)
822755a42 Fix: make CCoinsViewDbCursor::Seek work for missing keys (Pieter Wuille)

Tree-SHA512: e549921e8b8f599bf61ebe0ee7ef1d2f474043723d633e24665fe434b996a98e039612de8a1c2cd16b63f154943ff5ea1c1935e9561cfb813a00d47d926d0b22
2017-10-24 13:54:07 +02:00

112 lines
3.8 KiB
Python
Executable File

#!/usr/bin/env python2
# Copyright (c) 2014-2015 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 RPC calls related to blockchain state. Tests correspond to code in
# rpc/blockchain.cpp.
#
from decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework
from test_framework.authproxy import JSONRPCException
from test_framework.util import (
initialize_chain,
assert_equal,
assert_raises,
assert_is_hex_string,
assert_is_hash_string,
start_nodes,
connect_nodes_bi,
)
class BlockchainTest(BitcoinTestFramework):
"""
Test blockchain-related RPC calls:
- gettxoutsetinfo
- verifychain
"""
def setup_chain(self):
print("Initializing test directory " + self.options.tmpdir)
initialize_chain(self.options.tmpdir)
def setup_network(self, split=False):
self.nodes = start_nodes(1, self.options.tmpdir)
self.is_network_split = False
self.sync_all()
def run_test(self):
self._test_gettxoutsetinfo()
self._test_getblockheader()
self.nodes[0].verifychain(4, 0)
def _test_gettxoutsetinfo(self):
node = self.nodes[0]
res = node.gettxoutsetinfo()
assert_equal(res[u'total_amount'], Decimal('98214.28571450'))
assert_equal(res[u'transactions'], 200)
assert_equal(res[u'height'], 200)
assert_equal(res[u'txouts'], 200)
assert_equal(res[u'bytes_serialized'], 14273),
assert_equal(res['bestblock'], node.getblockhash(200))
assert_equal(len(res[u'bestblock']), 64)
assert_equal(len(res[u'hash_serialized']), 64)
self.log.info("Test that gettxoutsetinfo() works for blockchain with just the genesis block")
b1hash = node.getblockhash(1)
node.invalidateblock(b1hash)
res2 = node.gettxoutsetinfo()
assert_equal(res2['transactions'], 0)
assert_equal(res2['total_amount'], Decimal('0'))
assert_equal(res2['height'], 0)
assert_equal(res2['txouts'], 0)
assert_equal(res2['bestblock'], node.getblockhash(0))
assert_equal(len(res2['hash_serialized']), 64)
self.log.info("Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block")
node.reconsiderblock(b1hash)
res3 = node.gettxoutsetinfo()
assert_equal(res['total_amount'], res3['total_amount'])
assert_equal(res['transactions'], res3['transactions'])
assert_equal(res['height'], res3['height'])
assert_equal(res['txouts'], res3['txouts'])
assert_equal(res['bestblock'], res3['bestblock'])
assert_equal(res['hash_serialized'], res3['hash_serialized'])
def _test_getblockheader(self):
node = self.nodes[0]
assert_raises(
JSONRPCException, lambda: node.getblockheader('nonsense'))
besthash = node.getbestblockhash()
secondbesthash = node.getblockhash(199)
header = node.getblockheader(besthash)
assert_equal(header['hash'], besthash)
assert_equal(header['height'], 200)
assert_equal(header['confirmations'], 1)
assert_equal(header['previousblockhash'], secondbesthash)
assert_is_hex_string(header['chainwork'])
assert_is_hash_string(header['hash'])
assert_is_hash_string(header['previousblockhash'])
assert_is_hash_string(header['merkleroot'])
assert_is_hash_string(header['bits'], length=None)
assert isinstance(header['time'], int)
assert isinstance(header['mediantime'], int)
assert isinstance(header['nonce'], int)
assert isinstance(header['version'], int)
assert isinstance(header['difficulty'], Decimal)
if __name__ == '__main__':
BlockchainTest().main()