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525 lines
22 KiB
525 lines
22 KiB
#!/usr/bin/env python3
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# Copyright (c) 2014-2021 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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- getchaintxstats
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- gettxoutsetinfo
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- getblockheader
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- getdifficulty
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- getnetworkhashps
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- waitforblockheight
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- getblock
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- getblockhash
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- getbestblockhash
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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 os
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import subprocess
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from test_framework.blocktools import (
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MAX_FUTURE_BLOCK_TIME,
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TIME_GENESIS_BLOCK,
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create_block,
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create_coinbase,
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)
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from test_framework.messages import (
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CBlockHeader,
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from_hex,
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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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get_datadir_path,
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)
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from test_framework.wallet import MiniWallet
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HEIGHT = 200 # blocks mined
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TIME_RANGE_STEP = 600 # ten-minute steps
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TIME_RANGE_MTP = TIME_GENESIS_BLOCK + (HEIGHT - 6) * TIME_RANGE_STEP
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TIME_RANGE_TIP = TIME_GENESIS_BLOCK + (HEIGHT - 1) * TIME_RANGE_STEP
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TIME_RANGE_END = TIME_GENESIS_BLOCK + HEIGHT * TIME_RANGE_STEP
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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.wallet = MiniWallet(self.nodes[0])
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self.mine_chain()
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self._test_max_future_block_time()
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self.restart_node(0, extra_args=['-stopatheight=207', '-prune=1']) # Set extra args with pruning after rescan is complete
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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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self._test_getblock()
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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(f"Generate {HEIGHT} blocks after the genesis block in ten-minute steps")
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for t in range(TIME_GENESIS_BLOCK, TIME_RANGE_END, TIME_RANGE_STEP):
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self.nodes[0].setmocktime(t)
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self.generate(self.wallet, 1)
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assert_equal(self.nodes[0].getblockchaininfo()['blocks'], HEIGHT)
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def _test_max_future_block_time(self):
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self.stop_node(0)
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self.log.info("A block tip of more than MAX_FUTURE_BLOCK_TIME in the future raises an error")
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self.nodes[0].assert_start_raises_init_error(
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extra_args=[f"-mocktime={TIME_RANGE_TIP - MAX_FUTURE_BLOCK_TIME - 1}"],
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expected_msg=": The block database contains a block which appears to be from the future."
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" This may be due to your computer's date and time being set incorrectly."
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f" Only rebuild the block database if you are sure that your computer's date and time are correct.{os.linesep}"
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"Please restart with -reindex or -reindex-chainstate to recover.",
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)
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self.log.info("A block tip of MAX_FUTURE_BLOCK_TIME in the future is fine")
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self.start_node(0, extra_args=[f"-mocktime={TIME_RANGE_TIP - MAX_FUTURE_BLOCK_TIME}"])
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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_equal(res['time'], TIME_RANGE_END - TIME_RANGE_STEP)
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assert_equal(res['mediantime'], TIME_RANGE_MTP)
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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'])
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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.stop_node(0)
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self.nodes[0].assert_start_raises_init_error(
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extra_args=['-testactivationheight=name@2'],
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expected_msg='Error: Invalid name (name@2) for -testactivationheight=name@height.',
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)
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self.nodes[0].assert_start_raises_init_error(
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extra_args=['-testactivationheight=bip34@-2'],
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expected_msg='Error: Invalid height value (bip34@-2) for -testactivationheight=name@height.',
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)
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self.nodes[0].assert_start_raises_init_error(
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extra_args=['-testactivationheight='],
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expected_msg='Error: Invalid format () for -testactivationheight=name@height.',
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)
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self.start_node(0, extra_args=[
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'-stopatheight=207',
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'-prune=550',
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'-testactivationheight=bip34@2',
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'-testactivationheight=dersig@3',
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'-testactivationheight=cltv@4',
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'-testactivationheight=csv@5',
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'-testactivationheight=segwit@6',
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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 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': True, 'height': 2},
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'bip66': {'type': 'buried', 'active': True, 'height': 3},
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'bip65': {'type': 'buried', 'active': True, 'height': 4},
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'csv': {'type': 'buried', 'active': True, 'height': 5},
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'segwit': {'type': 'buried', 'active': True, 'height': 6},
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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': 0x7fffffffffffffff, # 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': HEIGHT - 143,
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'count': HEIGHT - 143,
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'possible': True,
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},
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'min_activation_height': 0,
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},
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'active': False
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},
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'taproot': {
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'type': 'bip9',
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'bip9': {
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'status': 'active',
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'start_time': -1,
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'timeout': 9223372036854775807,
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'since': 0,
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'min_activation_height': 0,
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},
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'height': 0,
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'active': True
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}
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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(HEIGHT)
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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'], HEIGHT + 1)
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# tx rate should be 1 per 10 minutes, or 1/600
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# we have to round because of binary math
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assert_equal(round(chaintxstats['txrate'] * TIME_RANGE_STEP, 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(HEIGHT)
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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'], HEIGHT + 1)
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assert_equal(chaintxstats['window_final_block_hash'], b200_hash)
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assert_equal(chaintxstats['window_final_block_height'], HEIGHT )
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assert_equal(chaintxstats['window_block_count'], HEIGHT - 1)
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assert_equal(chaintxstats['window_tx_count'], HEIGHT - 1)
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assert_equal(chaintxstats['window_interval'], time_diff)
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assert_equal(round(chaintxstats['txrate'] * time_diff, 10), Decimal(HEIGHT - 1))
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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('8725.00000000'))
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assert_equal(res['transactions'], HEIGHT)
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assert_equal(res['height'], HEIGHT)
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assert_equal(res['txouts'], HEIGHT)
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assert_equal(res['bogosize'], 16800),
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assert_equal(res['bestblock'], node.getblockhash(HEIGHT))
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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 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 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 gettxoutsetinfo hash_type option")
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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 returned 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, "'foo hash' is not a valid hash_type", node.gettxoutsetinfo, "foo hash")
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def _test_getblockheader(self):
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self.log.info("Test getblockheader")
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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(HEIGHT - 1)
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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'], HEIGHT)
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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_equal(header['mediantime'], TIME_RANGE_MTP)
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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 = from_hex(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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self.log.info("Test getdifficulty")
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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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self.log.info("Test getnetworkhashps")
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hashes_per_second = self.nodes[0].getnetworkhashps()
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# This should be 2 hashes every 10 minutes or 1/300
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assert abs(hashes_per_second * 300 - 1) < 0.0001
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def _test_stopatheight(self):
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self.log.info("Test stopping at height")
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assert_equal(self.nodes[0].getblockcount(), HEIGHT)
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self.generate(self.wallet, 6)
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assert_equal(self.nodes[0].getblockcount(), HEIGHT + 6)
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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.generatetoaddress(self.nodes[0], 1, self.wallet.get_address(), sync_fun=self.no_op)
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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)
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assert_equal(self.nodes[0].getblockcount(), HEIGHT + 7)
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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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peer = 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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peer.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)
|
|
b22f = solve_and_send_block(b21f.sha256, 22, b21f.nTime + 1)
|
|
|
|
node.invalidateblock(b22f.hash)
|
|
|
|
def assert_waitforheight(height, timeout=2):
|
|
assert_equal(
|
|
node.waitforblockheight(height=height, timeout=timeout)['height'],
|
|
current_height)
|
|
|
|
assert_waitforheight(0)
|
|
assert_waitforheight(current_height - 1)
|
|
assert_waitforheight(current_height)
|
|
assert_waitforheight(current_height + 1)
|
|
|
|
def _test_getblock(self):
|
|
node = self.nodes[0]
|
|
fee_per_byte = Decimal('0.00000010')
|
|
fee_per_kb = 1000 * fee_per_byte
|
|
|
|
self.wallet.send_self_transfer(fee_rate=fee_per_kb, from_node=node)
|
|
blockhash = self.generate(node, 1)[0]
|
|
|
|
def assert_fee_not_in_block(verbosity):
|
|
block = node.getblock(blockhash, verbosity)
|
|
assert 'fee' not in block['tx'][1]
|
|
|
|
def assert_fee_in_block(verbosity):
|
|
block = node.getblock(blockhash, verbosity)
|
|
tx = block['tx'][1]
|
|
assert 'fee' in tx
|
|
assert_equal(tx['fee'], tx['vsize'] * fee_per_byte)
|
|
|
|
def assert_vin_contains_prevout(verbosity):
|
|
block = node.getblock(blockhash, verbosity)
|
|
tx = block["tx"][1]
|
|
total_vin = Decimal("0.00000000")
|
|
total_vout = Decimal("0.00000000")
|
|
for vin in tx["vin"]:
|
|
assert "prevout" in vin
|
|
assert_equal(set(vin["prevout"].keys()), set(("value", "height", "generated", "scriptPubKey")))
|
|
assert_equal(vin["prevout"]["generated"], True)
|
|
total_vin += vin["prevout"]["value"]
|
|
for vout in tx["vout"]:
|
|
total_vout += vout["value"]
|
|
assert_equal(total_vin, total_vout + tx["fee"])
|
|
|
|
def assert_vin_does_not_contain_prevout(verbosity):
|
|
block = node.getblock(blockhash, verbosity)
|
|
tx = block["tx"][1]
|
|
if isinstance(tx, str):
|
|
# In verbosity level 1, only the transaction hashes are written
|
|
pass
|
|
else:
|
|
for vin in tx["vin"]:
|
|
assert "prevout" not in vin
|
|
|
|
self.log.info("Test that getblock with verbosity 1 doesn't include fee")
|
|
assert_fee_not_in_block(1)
|
|
|
|
self.log.info('Test that getblock with verbosity 2 and 3 includes expected fee')
|
|
assert_fee_in_block(2)
|
|
assert_fee_in_block(3)
|
|
|
|
self.log.info("Test that getblock with verbosity 1 and 2 does not include prevout")
|
|
assert_vin_does_not_contain_prevout(1)
|
|
assert_vin_does_not_contain_prevout(2)
|
|
|
|
self.log.info("Test that getblock with verbosity 3 includes prevout")
|
|
assert_vin_contains_prevout(3)
|
|
|
|
self.log.info("Test that getblock with verbosity 2 and 3 still works with pruned Undo data")
|
|
datadir = get_datadir_path(self.options.tmpdir, 0)
|
|
|
|
self.log.info("Test getblock with invalid verbosity type returns proper error message")
|
|
assert_raises_rpc_error(-1, "JSON value is not an integer as expected", node.getblock, blockhash, "2")
|
|
|
|
def move_block_file(old, new):
|
|
old_path = os.path.join(datadir, self.chain, 'blocks', old)
|
|
new_path = os.path.join(datadir, self.chain, 'blocks', new)
|
|
os.rename(old_path, new_path)
|
|
|
|
# Move instead of deleting so we can restore chain state afterwards
|
|
move_block_file('rev00000.dat', 'rev_wrong')
|
|
|
|
assert_fee_not_in_block(2)
|
|
assert_fee_not_in_block(3)
|
|
assert_vin_does_not_contain_prevout(2)
|
|
assert_vin_does_not_contain_prevout(3)
|
|
|
|
# Restore chain state
|
|
move_block_file('rev_wrong', 'rev00000.dat')
|
|
|
|
assert 'previousblockhash' not in node.getblock(node.getblockhash(0))
|
|
assert 'nextblockhash' not in node.getblock(node.getbestblockhash())
|
|
|
|
|
|
if __name__ == '__main__':
|
|
BlockchainTest().main()
|