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0fd490ff28
fa0815c300 rpc: Correctly name arguments (Jon Layton) Pull request description: Consistently use the same name to describe arguments in the documentation and add a test that uses the name. By splitting it up, the changes are easier to potentially backport and also make review easier when we switch to `RPCHelpMan`. The tests should pass with or without the changes in `src`. Partly stolen from #14459 (More RPC help description fixes by ch4ot1c) Tree-SHA512: 1072992b1e93ac41006613523e54a0a8004f529fcb101eb9d74d91474abb0945a5a7539f249905151b904b87448f9efc0cacbd9e052fbe2ea9111e62f3e7249c
317 lines
12 KiB
Python
Executable File
317 lines
12 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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from test_framework.blocktools import (
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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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FromHex,
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msg_block,
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)
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from test_framework.mininode import (
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P2PInterface,
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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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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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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 _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'], 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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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(-5, "Block not found", self.nodes[0].getchaintxstats, blockhash='0')
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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'], 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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# 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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def _test_getblockheader(self):
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node = self.nodes[0]
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assert_raises_rpc_error(-5, "Block not found", 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(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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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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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_message(msg_block(b))
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node.p2p.sync_with_ping()
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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)
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assert_waitforheight(current_height + 1)
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if __name__ == '__main__':
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BlockchainTest().main()
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