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c5a7046e93
11413646b[trivial] (whitespace only) fix getblockchaininfo alignment (John Newbery)bd9c18171[rpc] Add initialblockdownload to getblockchaininfo (John Newbery) Pull request description: Exposing whether the node is in IBD would help for testing, and may be useful in general, particularly for developers. First discussed in #10357 here: https://github.com/bitcoin/bitcoin/pull/10357#pullrequestreview-59963870 > ... we could simplify this (and possibly other) tests by just adding a way to know if a node is in IBD. I'd like to do that, but I'm not sure it makes sense to complicate this PR with discussion over how that information should be made available. Eg it's not clear to me that the notion of being in IBD is worth exposing to the casual user, versus a hidden rpc call or something, since the definition has changed over time, and may continue to change in the future. But I still do agree that at least for testing purposes it would be far simpler to expose the field somehow... This PR currently implements the simplest way of doing this: adding an `initialblockdownload` field to `getblockchaininfo`. Other approaches we could take: 1. add a new debug RPC method that exposes `IBD` and potentially other information. 2. add a parameter to `getblockchaininfo`, eg `debug_info`, which would cause it to return debug information including IBD 3. add a query string to the url `?debug=true` which would cause RPCs to return additional debug information. I quite like the idea of (3). Feedback on these and other approaches very much welcomed! @sdaftuar @laanwj Tree-SHA512: a6dedd47f8c9bd38769cc597524466250041136feb33500644b9c48d0ffe4e3eeeb2587b5bbc6420364ebdd2667df807fbb50416f9a7913bbf11a14ea86dc0d4
236 lines
9.1 KiB
Python
Executable File
236 lines
9.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test RPCs related to blockchainstate.
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Test the following RPCs:
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- getblockchaininfo
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- gettxoutsetinfo
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- getdifficulty
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- getbestblockhash
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- getblockhash
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- getblockheader
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- getchaintxstats
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- getnetworkhashps
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- verifychain
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Tests correspond to code in rpc/blockchain.cpp.
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"""
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from decimal import Decimal
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import http.client
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import subprocess
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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assert_greater_than,
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assert_greater_than_or_equal,
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assert_raises,
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assert_raises_rpc_error,
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assert_is_hex_string,
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assert_is_hash_string,
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)
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class BlockchainTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.setup_clean_chain = True
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self.extra_args = [['-stopatheight=207', '-prune=1', '-txindex=0']]
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def run_test(self):
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# Have to prepare the chain manually here.
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# txindex=1 by default in Dash which is incompatible with pruning.
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self.set_genesis_mocktime()
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for i in range(200):
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self.bump_mocktime(156)
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self.nodes[0].setmocktime(self.mocktime)
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self.nodes[0].generate(1)
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# Actual tests
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self._test_getblockchaininfo()
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self._test_getchaintxstats()
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self._test_gettxoutsetinfo()
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self._test_getblockheader()
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self._test_getdifficulty()
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self._test_getnetworkhashps()
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self._test_stopatheight()
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assert self.nodes[0].verifychain(4, 0)
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def _test_getblockchaininfo(self):
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self.log.info("Test getblockchaininfo")
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keys = [
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'bestblockhash',
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'bip9_softforks',
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'blocks',
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'chain',
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'chainwork',
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'difficulty',
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'headers',
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'initialblockdownload',
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'mediantime',
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'pruned',
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'size_on_disk',
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'softforks',
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'verificationprogress',
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'warnings',
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]
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res = self.nodes[0].getblockchaininfo()
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# result should have these additional pruning keys if manual pruning is enabled
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assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning'] + keys))
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# size_on_disk should be > 0
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assert_greater_than(res['size_on_disk'], 0)
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# pruneheight should be greater or equal to 0
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assert_greater_than_or_equal(res['pruneheight'], 0)
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# check other pruning fields given that prune=1
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assert res['pruned']
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assert not res['automatic_pruning']
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self.restart_node(0, ['-stopatheight=207', '-txindex=0', '-mocktime=%d' % self.mocktime])
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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', '-mocktime=%d' % self.mocktime])
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res = self.nodes[0].getblockchaininfo()
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# result should have these additional pruning keys if prune=550
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assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning', 'prune_target_size'] + keys))
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# check related fields
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assert res['pruned']
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assert_equal(res['pruneheight'], 0)
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assert res['automatic_pruning']
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assert_equal(res['prune_target_size'], 576716800)
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assert_greater_than(res['size_on_disk'], 0)
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def _test_getchaintxstats(self):
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chaintxstats = self.nodes[0].getchaintxstats(1)
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# 200 txs plus genesis tx
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assert_equal(chaintxstats['txcount'], 201)
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# tx rate should be 1 per ~2.6 minutes (156 seconds), or 1/156
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# we have to round because of binary math
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assert_equal(round(chaintxstats['txrate'] * 156, 10), Decimal(1))
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b1 = self.nodes[0].getblock(self.nodes[0].getblockhash(1))
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b200 = self.nodes[0].getblock(self.nodes[0].getblockhash(200))
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time_diff = b200['mediantime'] - b1['mediantime']
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chaintxstats = self.nodes[0].getchaintxstats()
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assert_equal(chaintxstats['time'], b200['time'])
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assert_equal(chaintxstats['txcount'], 201)
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assert_equal(chaintxstats['window_block_count'], 199)
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assert_equal(chaintxstats['window_tx_count'], 199)
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assert_equal(chaintxstats['window_interval'], time_diff)
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assert_equal(round(chaintxstats['txrate'] * time_diff, 10), Decimal(199))
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chaintxstats = self.nodes[0].getchaintxstats(blockhash=b1['hash'])
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assert_equal(chaintxstats['time'], b1['time'])
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assert_equal(chaintxstats['txcount'], 2)
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assert_equal(chaintxstats['window_block_count'], 0)
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assert('window_tx_count' not in chaintxstats)
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assert('window_interval' not in chaintxstats)
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assert('txrate' not in chaintxstats)
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assert_raises_rpc_error(-8, "Invalid block count: should be between 0 and the block's height - 1", self.nodes[0].getchaintxstats, 201)
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def _test_gettxoutsetinfo(self):
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node = self.nodes[0]
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res = node.gettxoutsetinfo()
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assert_equal(res['total_amount'], Decimal('98214.28571450'))
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assert_equal(res['transactions'], 200)
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assert_equal(res['height'], 200)
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assert_equal(res['txouts'], 200)
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assert_equal(res['bogosize'], 17000),
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size = res['disk_size']
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assert size > 6400
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assert size < 64000
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assert_equal(len(res['bestblock']), 64)
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assert_equal(len(res['hash_serialized_2']), 64)
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self.log.info("Test that gettxoutsetinfo() works for blockchain with just the genesis block")
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b1hash = node.getblockhash(1)
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node.invalidateblock(b1hash)
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res2 = node.gettxoutsetinfo()
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assert_equal(res2['transactions'], 0)
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assert_equal(res2['total_amount'], Decimal('0'))
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assert_equal(res2['height'], 0)
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assert_equal(res2['txouts'], 0)
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assert_equal(res2['bogosize'], 0),
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assert_equal(res2['bestblock'], node.getblockhash(0))
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assert_equal(len(res2['hash_serialized_2']), 64)
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self.log.info("Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block")
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node.reconsiderblock(b1hash)
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res3 = node.gettxoutsetinfo()
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assert_equal(res['total_amount'], res3['total_amount'])
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assert_equal(res['transactions'], res3['transactions'])
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assert_equal(res['height'], res3['height'])
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assert_equal(res['txouts'], res3['txouts'])
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assert_equal(res['bogosize'], res3['bogosize'])
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assert_equal(res['bestblock'], res3['bestblock'])
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assert_equal(res['hash_serialized_2'], res3['hash_serialized_2'])
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def _test_getblockheader(self):
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node = self.nodes[0]
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assert_raises_rpc_error(-5, "Block not found",
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node.getblockheader, "nonsense")
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besthash = node.getbestblockhash()
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secondbesthash = node.getblockhash(199)
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header = node.getblockheader(besthash)
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assert_equal(header['hash'], besthash)
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assert_equal(header['height'], 200)
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assert_equal(header['confirmations'], 1)
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assert_equal(header['previousblockhash'], secondbesthash)
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assert_is_hex_string(header['chainwork'])
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assert_is_hash_string(header['hash'])
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assert_is_hash_string(header['previousblockhash'])
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assert_is_hash_string(header['merkleroot'])
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assert_is_hash_string(header['bits'], length=None)
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assert isinstance(header['time'], int)
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assert isinstance(header['mediantime'], int)
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assert isinstance(header['nonce'], int)
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assert isinstance(header['version'], int)
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assert isinstance(int(header['versionHex'], 16), int)
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assert isinstance(header['difficulty'], Decimal)
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def _test_getdifficulty(self):
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difficulty = self.nodes[0].getdifficulty()
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# 1 hash in 2 should be valid, so difficulty should be 1/2**31
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# binary => decimal => binary math is why we do this check
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assert abs(difficulty * 2**31 - 1) < 0.0001
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def _test_getnetworkhashps(self):
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hashes_per_second = self.nodes[0].getnetworkhashps()
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# This should be 2 hashes every 2.6 minutes (156 seconds) or 1/78
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assert abs(hashes_per_second * 78 - 1) < 0.0001
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def _test_stopatheight(self):
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assert_equal(self.nodes[0].getblockcount(), 200)
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self.nodes[0].generate(6)
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assert_equal(self.nodes[0].getblockcount(), 206)
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self.log.debug('Node should not stop at this height')
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assert_raises(subprocess.TimeoutExpired, lambda: self.nodes[0].process.wait(timeout=3))
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try:
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self.nodes[0].generate(1)
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except (ConnectionError, http.client.BadStatusLine):
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pass # The node already shut down before response
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self.log.debug('Node should stop at this height...')
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self.nodes[0].wait_until_stopped()
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self.start_node(0, ['-txindex=0', '-mocktime=%d' % self.mocktime])
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assert_equal(self.nodes[0].getblockcount(), 207)
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if __name__ == '__main__':
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BlockchainTest().main()
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