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755a23ca00
Instead of using the initial value. This removes the need for manually passing of -mocktime when restarting nodes. It also fixes a few flaky test cases where nodes are getting restarted.
236 lines
9.0 KiB
Python
Executable File
236 lines
9.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 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 RPCs related to blockchainstate.
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Test the following RPCs:
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- getblockchaininfo
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- gettxoutsetinfo
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- getdifficulty
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- getbestblockhash
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- getblockhash
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- getblockheader
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- getchaintxstats
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- getnetworkhashps
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- verifychain
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Tests correspond to code in rpc/blockchain.cpp.
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"""
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from decimal import Decimal
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import http.client
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import subprocess
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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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assert_greater_than,
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assert_greater_than_or_equal,
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assert_raises,
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assert_raises_rpc_error,
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assert_is_hex_string,
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assert_is_hash_string,
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)
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class BlockchainTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.setup_clean_chain = True
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self.extra_args = [['-stopatheight=207', '-prune=1', '-txindex=0']]
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def run_test(self):
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# Have to prepare the chain manually here.
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# txindex=1 by default in Dash which is incompatible with pruning.
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self.set_genesis_mocktime()
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for i in range(200):
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self.bump_mocktime(156)
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self.nodes[0].generate(1)
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# Actual tests
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self._test_getblockchaininfo()
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self._test_getchaintxstats()
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self._test_gettxoutsetinfo()
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self._test_getblockheader()
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self._test_getdifficulty()
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self._test_getnetworkhashps()
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self._test_stopatheight()
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assert self.nodes[0].verifychain(4, 0)
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def _test_getblockchaininfo(self):
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self.log.info("Test getblockchaininfo")
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keys = [
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'bestblockhash',
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'bip9_softforks',
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'blocks',
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'chain',
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'chainwork',
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'difficulty',
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'headers',
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'initialblockdownload',
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'mediantime',
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'pruned',
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'size_on_disk',
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'softforks',
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'verificationprogress',
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'warnings',
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]
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res = self.nodes[0].getblockchaininfo()
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# result should have these additional pruning keys if manual pruning is enabled
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assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning'] + keys))
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# size_on_disk should be > 0
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assert_greater_than(res['size_on_disk'], 0)
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# pruneheight should be greater or equal to 0
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assert_greater_than_or_equal(res['pruneheight'], 0)
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# check other pruning fields given that prune=1
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assert res['pruned']
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assert not res['automatic_pruning']
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self.restart_node(0, ['-stopatheight=207', '-txindex=0'])
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res = self.nodes[0].getblockchaininfo()
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# should have exact keys
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assert_equal(sorted(res.keys()), keys)
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self.restart_node(0, ['-stopatheight=207', '-prune=550', '-txindex=0'])
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res = self.nodes[0].getblockchaininfo()
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# result should have these additional pruning keys if prune=550
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assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning', 'prune_target_size'] + keys))
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# check related fields
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assert res['pruned']
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assert_equal(res['pruneheight'], 0)
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assert res['automatic_pruning']
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assert_equal(res['prune_target_size'], 576716800)
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assert_greater_than(res['size_on_disk'], 0)
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def _test_getchaintxstats(self):
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chaintxstats = self.nodes[0].getchaintxstats(1)
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# 200 txs plus genesis tx
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assert_equal(chaintxstats['txcount'], 201)
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# tx rate should be 1 per ~2.6 minutes (156 seconds), or 1/156
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# we have to round because of binary math
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assert_equal(round(chaintxstats['txrate'] * 156, 10), Decimal(1))
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b1 = self.nodes[0].getblock(self.nodes[0].getblockhash(1))
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b200 = self.nodes[0].getblock(self.nodes[0].getblockhash(200))
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time_diff = b200['mediantime'] - b1['mediantime']
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chaintxstats = self.nodes[0].getchaintxstats()
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assert_equal(chaintxstats['time'], b200['time'])
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assert_equal(chaintxstats['txcount'], 201)
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assert_equal(chaintxstats['window_block_count'], 199)
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assert_equal(chaintxstats['window_tx_count'], 199)
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assert_equal(chaintxstats['window_interval'], time_diff)
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assert_equal(round(chaintxstats['txrate'] * time_diff, 10), Decimal(199))
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chaintxstats = self.nodes[0].getchaintxstats(blockhash=b1['hash'])
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assert_equal(chaintxstats['time'], b1['time'])
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assert_equal(chaintxstats['txcount'], 2)
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assert_equal(chaintxstats['window_block_count'], 0)
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assert('window_tx_count' not in chaintxstats)
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assert('window_interval' not in chaintxstats)
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assert('txrate' not in chaintxstats)
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assert_raises_rpc_error(-8, "Invalid block count: should be between 0 and the block's height - 1", self.nodes[0].getchaintxstats, 201)
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def _test_gettxoutsetinfo(self):
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node = self.nodes[0]
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res = node.gettxoutsetinfo()
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assert_equal(res['total_amount'], Decimal('98214.28571450'))
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assert_equal(res['transactions'], 200)
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assert_equal(res['height'], 200)
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assert_equal(res['txouts'], 200)
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assert_equal(res['bogosize'], 17000),
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size = res['disk_size']
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assert size > 6400
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assert size < 64000
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assert_equal(len(res['bestblock']), 64)
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assert_equal(len(res['hash_serialized_2']), 64)
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self.log.info("Test that gettxoutsetinfo() works for blockchain with just the genesis block")
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b1hash = node.getblockhash(1)
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node.invalidateblock(b1hash)
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res2 = node.gettxoutsetinfo()
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assert_equal(res2['transactions'], 0)
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assert_equal(res2['total_amount'], Decimal('0'))
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assert_equal(res2['height'], 0)
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assert_equal(res2['txouts'], 0)
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assert_equal(res2['bogosize'], 0),
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assert_equal(res2['bestblock'], node.getblockhash(0))
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assert_equal(len(res2['hash_serialized_2']), 64)
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self.log.info("Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block")
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node.reconsiderblock(b1hash)
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res3 = node.gettxoutsetinfo()
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assert_equal(res['total_amount'], res3['total_amount'])
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assert_equal(res['transactions'], res3['transactions'])
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assert_equal(res['height'], res3['height'])
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assert_equal(res['txouts'], res3['txouts'])
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assert_equal(res['bogosize'], res3['bogosize'])
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assert_equal(res['bestblock'], res3['bestblock'])
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assert_equal(res['hash_serialized_2'], res3['hash_serialized_2'])
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def _test_getblockheader(self):
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node = self.nodes[0]
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assert_raises_rpc_error(-5, "Block not found",
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node.getblockheader, "nonsense")
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besthash = node.getbestblockhash()
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secondbesthash = node.getblockhash(199)
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header = node.getblockheader(besthash)
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assert_equal(header['hash'], besthash)
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assert_equal(header['height'], 200)
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assert_equal(header['confirmations'], 1)
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assert_equal(header['previousblockhash'], secondbesthash)
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assert_is_hex_string(header['chainwork'])
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assert_equal(header['nTx'], 1)
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assert_is_hash_string(header['hash'])
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assert_is_hash_string(header['previousblockhash'])
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assert_is_hash_string(header['merkleroot'])
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assert_is_hash_string(header['bits'], length=None)
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assert isinstance(header['time'], int)
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assert isinstance(header['mediantime'], int)
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assert isinstance(header['nonce'], int)
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assert isinstance(header['version'], int)
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assert isinstance(int(header['versionHex'], 16), int)
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assert isinstance(header['difficulty'], Decimal)
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def _test_getdifficulty(self):
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difficulty = self.nodes[0].getdifficulty()
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# 1 hash in 2 should be valid, so difficulty should be 1/2**31
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# binary => decimal => binary math is why we do this check
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assert abs(difficulty * 2**31 - 1) < 0.0001
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def _test_getnetworkhashps(self):
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hashes_per_second = self.nodes[0].getnetworkhashps()
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# This should be 2 hashes every 2.6 minutes (156 seconds) or 1/78
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assert abs(hashes_per_second * 78 - 1) < 0.0001
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def _test_stopatheight(self):
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assert_equal(self.nodes[0].getblockcount(), 200)
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self.nodes[0].generate(6)
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assert_equal(self.nodes[0].getblockcount(), 206)
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self.log.debug('Node should not stop at this height')
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assert_raises(subprocess.TimeoutExpired, lambda: self.nodes[0].process.wait(timeout=3))
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try:
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self.nodes[0].generate(1)
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except (ConnectionError, http.client.BadStatusLine):
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pass # The node already shut down before response
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self.log.debug('Node should stop at this height...')
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self.nodes[0].wait_until_stopped()
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self.start_node(0, ['-txindex=0'])
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assert_equal(self.nodes[0].getblockcount(), 207)
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if __name__ == '__main__':
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BlockchainTest().main()
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