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f34889dcf4
d5800da5199527a366024bc80cad7fcca17d5c4a [test] Remove final references to mininode (John Newbery) 5e8df3312e47a73e747ee892face55ed9ababeea test: resort imports (John Newbery) 85165d4332b0f72d30e0c584b476249b542338e6 scripted-diff: Rename mininode to p2p (John Newbery) 9e2897d020b114a10c860f90c5405be029afddba scripted-diff: Rename mininode_lock to p2p_lock (John Newbery) Pull request description: New contributors are often confused by the terminology in the test framework, and what the difference between a _node_ and a _peer_ is. To summarize: - a 'node' is a bitcoind instance. This is the thing whose behavior is being tested. Each bitcoind node is managed by a python `TestNode` object which is used to start/stop the node, manage the node's data directory, read state about the node (eg process status, log file), and interact with the node over different interfaces. - one of the interfaces that we can use to interact with the node is the p2p interface. Each connection to a node using this interface is managed by a python `P2PInterface` or derived object (which is owned by the `TestNode` object). We can open zero, one or many p2p connections to each bitcoind node. The node sees these connections as 'peers'. For historic reasons, the word 'mininode' has been used to refer to those p2p interface objects that we use to connect to the bitcoind node (the code was originally taken from the 'mini-node' branch of https://github.com/jgarzik/pynode/tree/mini-node). However that name has proved to be confusing for new contributors, so rename the remaining references. ACKs for top commit: amitiuttarwar: ACK d5800da519 MarcoFalke: ACK d5800da5199527a366024bc80cad7fcca17d5c4a 🚞 Tree-SHA512: 2c46c2ac3c4278b6e3c647cfd8108428a41e80788fc4f0e386e5b0c47675bc687d94779496c09a3e5ea1319617295be10c422adeeff2d2bd68378e00e0eeb5de
403 lines
17 KiB
Python
Executable File
403 lines
17 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2020 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.blocktools import (
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create_block,
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create_coinbase,
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TIME_GENESIS_BLOCK,
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)
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from test_framework.messages import (
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CBlockHeader,
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FromHex,
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msg_block,
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)
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from test_framework.p2p import P2PInterface
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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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set_node_times,
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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.setup_clean_chain = True
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self.num_nodes = 1
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self.supports_cli = False
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def run_test(self):
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self.mine_chain()
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self.restart_node(0, extra_args=['-stopatheight=207', '-prune=1', '-txindex=0']) # Set extra args with pruning after rescan is complete
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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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self._test_waitforblockheight()
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assert self.nodes[0].verifychain(4, 0)
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def mine_chain(self):
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self.log.info('Create some old blocks')
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address = self.nodes[0].get_deterministic_priv_key().address
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for t in range(TIME_GENESIS_BLOCK, TIME_GENESIS_BLOCK + 200 * 156, 156):
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# 156 sec steps from genesis block time
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set_node_times(self.nodes, t)
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self.nodes[0].generatetoaddress(1, address)
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assert_equal(self.nodes[0].getblockchaininfo()['blocks'], 200)
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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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'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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'time',
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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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assert isinstance(res['time'], int)
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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'], expected_stderr='Warning: You are starting with governance validation disabled. This is expected because you are running a pruned node.')
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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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assert_equal(res['softforks'], {
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'bip34': {'type': 'buried', 'active': False, 'height': 500},
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'bip66': {'type': 'buried', 'active': False, 'height': 1251},
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'bip65': {'type': 'buried', 'active': False, 'height': 1351},
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'bip147': { 'type': 'buried', 'active': False, 'height': 432},
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'csv': {'type': 'buried', 'active': False, 'height': 432},
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'dip0001': { 'type': 'buried', 'active': False, 'height': 2000},
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'dip0003': { 'type': 'buried', 'active': False, 'height': 432},
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'dip0008': { 'type': 'buried', 'active': False, 'height': 432},
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'dip0020': { 'type': 'buried', 'active': False, 'height': 300},
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'dip0024': { 'type': 'buried', 'active': False, 'height': 900},
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'realloc': { 'type': 'buried', 'active': False, 'height': 2500},
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'v19': { 'type': 'buried', 'active': False, 'height': 900},
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'v20': {
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'type': 'bip9',
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'bip9': {
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'status': 'defined',
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'start_time': 0,
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'timeout': 9223372036854775807,
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'since': 0,
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'ehf': False,
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}, 'active': False},
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'mn_rr': {
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'type': 'bip9',
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'bip9': {
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'status': 'defined',
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'start_time': 0,
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'timeout': 9223372036854775807,
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'since': 0,
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'ehf': True,
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},
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'active': False},
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'testdummy': {
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'type': 'bip9',
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'bip9': {
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'status': 'started',
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'bit': 28,
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'start_time': 0,
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'timeout': 9223372036854775807, # testdummy does not have a timeout so is set to the max int64 value
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'since': 144,
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'statistics': {
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'period': 144,
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'threshold': 108,
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'elapsed': 57,
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'count': 57,
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'possible': True,
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},
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'ehf': False,
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},
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'active': False},
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})
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def _test_getchaintxstats(self):
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self.log.info("Test getchaintxstats")
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# Test `getchaintxstats` invalid extra parameters
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assert_raises_rpc_error(-1, 'getchaintxstats', self.nodes[0].getchaintxstats, 0, '', 0)
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# Test `getchaintxstats` invalid `nblocks`
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assert_raises_rpc_error(-1, "JSON value is not an integer as expected", self.nodes[0].getchaintxstats, '')
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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, -1)
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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, self.nodes[0].getblockcount())
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# Test `getchaintxstats` invalid `blockhash`
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assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].getchaintxstats, blockhash=0)
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assert_raises_rpc_error(-8, "blockhash must be of length 64 (not 1, for '0')", self.nodes[0].getchaintxstats, blockhash='0')
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assert_raises_rpc_error(-8, "blockhash must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')", self.nodes[0].getchaintxstats, blockhash='ZZZ0000000000000000000000000000000000000000000000000000000000000')
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assert_raises_rpc_error(-5, "Block not found", self.nodes[0].getchaintxstats, blockhash='0000000000000000000000000000000000000000000000000000000000000000')
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blockhash = self.nodes[0].getblockhash(200)
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self.nodes[0].invalidateblock(blockhash)
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assert_raises_rpc_error(-8, "Block is not in main chain", self.nodes[0].getchaintxstats, blockhash=blockhash)
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self.nodes[0].reconsiderblock(blockhash)
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chaintxstats = self.nodes[0].getchaintxstats(nblocks=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_hash = self.nodes[0].getblockhash(1)
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b1 = self.nodes[0].getblock(b1_hash)
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b200_hash = self.nodes[0].getblockhash(200)
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b200 = self.nodes[0].getblock(b200_hash)
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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_final_block_hash'], b200_hash)
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assert_equal(chaintxstats['window_final_block_height'], 200)
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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_final_block_hash'], b1_hash)
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assert_equal(chaintxstats['window_final_block_height'], 1)
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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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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'], 15000),
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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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# The field 'disk_size' is non-deterministic and can thus not be
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# compared between res and res3. Everything else should be the same.
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del res['disk_size'], res3['disk_size']
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assert_equal(res, res3)
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self.log.info("Test hash_type option for gettxoutsetinfo()")
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# Adding hash_type 'hash_serialized_2', which is the default, should
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# not change the result.
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res4 = node.gettxoutsetinfo(hash_type='hash_serialized_2')
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del res4['disk_size']
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assert_equal(res, res4)
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# hash_type none should not return a UTXO set hash.
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res5 = node.gettxoutsetinfo(hash_type='none')
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assert 'hash_serialized_2' not in res5
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# hash_type muhash should return a different UTXO set hash.
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res6 = node.gettxoutsetinfo(hash_type='muhash')
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assert 'muhash' in res6
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assert(res['hash_serialized_2'] != res6['muhash'])
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# muhash should not be included in gettxoutset unless requested.
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for r in [res, res2, res3, res4, res5]:
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assert 'muhash' not in r
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# Unknown hash_type raises an error
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assert_raises_rpc_error(-8, "foohash is not a valid hash_type", node.gettxoutsetinfo, "foohash")
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def _test_getblockheader(self):
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node = self.nodes[0]
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assert_raises_rpc_error(-8, "hash must be of length 64 (not 8, for 'nonsense')", node.getblockheader, "nonsense")
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assert_raises_rpc_error(-8, "hash must be hexadecimal string (not 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844')", node.getblockheader, "ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844")
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assert_raises_rpc_error(-5, "Block not found", node.getblockheader, "0cf7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844")
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besthash = node.getbestblockhash()
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secondbesthash = node.getblockhash(199)
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header = node.getblockheader(blockhash=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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# Test with verbose=False, which should return the header as hex.
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header_hex = node.getblockheader(blockhash=besthash, verbose=False)
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assert_is_hex_string(header_hex)
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header = FromHex(CBlockHeader(), header_hex)
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header.calc_sha256()
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assert_equal(header.hash, besthash)
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assert 'previousblockhash' not in node.getblockheader(node.getblockhash(0))
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assert 'nextblockhash' not in node.getblockheader(node.getbestblockhash())
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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].generatetoaddress(6, self.nodes[0].get_deterministic_priv_key().address)
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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].generatetoaddress(1, self.nodes[0].get_deterministic_priv_key().address)
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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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def _test_waitforblockheight(self):
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self.log.info("Test waitforblockheight")
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node = self.nodes[0]
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node.add_p2p_connection(P2PInterface())
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current_height = node.getblock(node.getbestblockhash())['height']
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# Create a fork somewhere below our current height, invalidate the tip
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# of that fork, and then ensure that waitforblockheight still
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# works as expected.
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#
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# (Previously this was broken based on setting
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# `rpc/blockchain.cpp:latestblock` incorrectly.)
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#
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b20hash = node.getblockhash(20)
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b20 = node.getblock(b20hash)
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def solve_and_send_block(prevhash, height, time):
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b = create_block(prevhash, create_coinbase(height), time)
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b.solve()
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node.p2p.send_and_ping(msg_block(b))
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return b
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b21f = solve_and_send_block(int(b20hash, 16), 21, b20['time'] + 1)
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b22f = solve_and_send_block(b21f.sha256, 22, b21f.nTime + 1)
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node.invalidateblock(b22f.hash)
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def assert_waitforheight(height, timeout=2):
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assert_equal(
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node.waitforblockheight(height=height, timeout=timeout)['height'],
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current_height)
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assert_waitforheight(0)
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|
assert_waitforheight(current_height - 1)
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|
assert_waitforheight(current_height)
|
|
assert_waitforheight(current_height + 1)
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|
|
|
|
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if __name__ == '__main__':
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BlockchainTest().main()
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