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-rwxr-xr-xtest/functional/blockchain.py227
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diff --git a/test/functional/blockchain.py b/test/functional/blockchain.py
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-#!/usr/bin/env python3
-# Copyright (c) 2014-2017 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
-# file COPYING or http://www.opensource.org/licenses/mit-license.php.
-"""Test RPCs related to blockchainstate.
-
-Test the following RPCs:
- - getblockchaininfo
- - gettxoutsetinfo
- - getdifficulty
- - getbestblockhash
- - getblockhash
- - getblockheader
- - getchaintxstats
- - getnetworkhashps
- - verifychain
-
-Tests correspond to code in rpc/blockchain.cpp.
-"""
-
-from decimal import Decimal
-import http.client
-import subprocess
-
-from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import (
- assert_equal,
- assert_greater_than,
- assert_greater_than_or_equal,
- assert_raises,
- assert_raises_rpc_error,
- assert_is_hex_string,
- assert_is_hash_string,
-)
-
-class BlockchainTest(BitcoinTestFramework):
- def set_test_params(self):
- self.num_nodes = 1
- self.extra_args = [['-stopatheight=207', '-prune=1']]
-
- def run_test(self):
- self._test_getblockchaininfo()
- self._test_getchaintxstats()
- self._test_gettxoutsetinfo()
- self._test_getblockheader()
- self._test_getdifficulty()
- self._test_getnetworkhashps()
- self._test_stopatheight()
- assert self.nodes[0].verifychain(4, 0)
-
- def _test_getblockchaininfo(self):
- self.log.info("Test getblockchaininfo")
-
- keys = [
- 'bestblockhash',
- 'bip9_softforks',
- 'blocks',
- 'chain',
- 'chainwork',
- 'difficulty',
- 'headers',
- 'initialblockdownload',
- 'mediantime',
- 'pruned',
- 'size_on_disk',
- 'softforks',
- 'verificationprogress',
- 'warnings',
- ]
- res = self.nodes[0].getblockchaininfo()
-
- # result should have these additional pruning keys if manual pruning is enabled
- assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning'] + keys))
-
- # size_on_disk should be > 0
- assert_greater_than(res['size_on_disk'], 0)
-
- # pruneheight should be greater or equal to 0
- assert_greater_than_or_equal(res['pruneheight'], 0)
-
- # check other pruning fields given that prune=1
- assert res['pruned']
- assert not res['automatic_pruning']
-
- self.restart_node(0, ['-stopatheight=207'])
- res = self.nodes[0].getblockchaininfo()
- # should have exact keys
- assert_equal(sorted(res.keys()), keys)
-
- self.restart_node(0, ['-stopatheight=207', '-prune=550'])
- res = self.nodes[0].getblockchaininfo()
- # result should have these additional pruning keys if prune=550
- assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning', 'prune_target_size'] + keys))
-
- # check related fields
- assert res['pruned']
- assert_equal(res['pruneheight'], 0)
- assert res['automatic_pruning']
- assert_equal(res['prune_target_size'], 576716800)
- assert_greater_than(res['size_on_disk'], 0)
-
- def _test_getchaintxstats(self):
- chaintxstats = self.nodes[0].getchaintxstats(1)
- # 200 txs plus genesis tx
- assert_equal(chaintxstats['txcount'], 201)
- # tx rate should be 1 per 10 minutes, or 1/600
- # we have to round because of binary math
- assert_equal(round(chaintxstats['txrate'] * 600, 10), Decimal(1))
-
- b1 = self.nodes[0].getblock(self.nodes[0].getblockhash(1))
- b200 = self.nodes[0].getblock(self.nodes[0].getblockhash(200))
- time_diff = b200['mediantime'] - b1['mediantime']
-
- chaintxstats = self.nodes[0].getchaintxstats()
- assert_equal(chaintxstats['time'], b200['time'])
- assert_equal(chaintxstats['txcount'], 201)
- assert_equal(chaintxstats['window_block_count'], 199)
- assert_equal(chaintxstats['window_tx_count'], 199)
- assert_equal(chaintxstats['window_interval'], time_diff)
- assert_equal(round(chaintxstats['txrate'] * time_diff, 10), Decimal(199))
-
- chaintxstats = self.nodes[0].getchaintxstats(blockhash=b1['hash'])
- assert_equal(chaintxstats['time'], b1['time'])
- assert_equal(chaintxstats['txcount'], 2)
- assert_equal(chaintxstats['window_block_count'], 0)
- assert('window_tx_count' not in chaintxstats)
- assert('window_interval' not in chaintxstats)
- assert('txrate' not in chaintxstats)
-
- assert_raises_rpc_error(-8, "Invalid block count: should be between 0 and the block's height - 1", self.nodes[0].getchaintxstats, 201)
-
- def _test_gettxoutsetinfo(self):
- node = self.nodes[0]
- res = node.gettxoutsetinfo()
-
- assert_equal(res['total_amount'], Decimal('8725.00000000'))
- assert_equal(res['transactions'], 200)
- assert_equal(res['height'], 200)
- assert_equal(res['txouts'], 200)
- assert_equal(res['bogosize'], 17000),
- assert_equal(res['bestblock'], node.getblockhash(200))
- size = res['disk_size']
- assert size > 6400
- assert size < 64000
- assert_equal(len(res['bestblock']), 64)
- assert_equal(len(res['hash_serialized_2']), 64)
-
- self.log.info("Test that gettxoutsetinfo() works for blockchain with just the genesis block")
- b1hash = node.getblockhash(1)
- node.invalidateblock(b1hash)
-
- res2 = node.gettxoutsetinfo()
- assert_equal(res2['transactions'], 0)
- assert_equal(res2['total_amount'], Decimal('0'))
- assert_equal(res2['height'], 0)
- assert_equal(res2['txouts'], 0)
- assert_equal(res2['bogosize'], 0),
- assert_equal(res2['bestblock'], node.getblockhash(0))
- assert_equal(len(res2['hash_serialized_2']), 64)
-
- self.log.info("Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block")
- node.reconsiderblock(b1hash)
-
- res3 = node.gettxoutsetinfo()
- assert_equal(res['total_amount'], res3['total_amount'])
- assert_equal(res['transactions'], res3['transactions'])
- assert_equal(res['height'], res3['height'])
- assert_equal(res['txouts'], res3['txouts'])
- assert_equal(res['bogosize'], res3['bogosize'])
- assert_equal(res['bestblock'], res3['bestblock'])
- assert_equal(res['hash_serialized_2'], res3['hash_serialized_2'])
-
- def _test_getblockheader(self):
- node = self.nodes[0]
-
- assert_raises_rpc_error(-5, "Block not found",
- node.getblockheader, "nonsense")
-
- besthash = node.getbestblockhash()
- secondbesthash = node.getblockhash(199)
- header = node.getblockheader(besthash)
-
- assert_equal(header['hash'], besthash)
- assert_equal(header['height'], 200)
- assert_equal(header['confirmations'], 1)
- assert_equal(header['previousblockhash'], secondbesthash)
- assert_is_hex_string(header['chainwork'])
- assert_is_hash_string(header['hash'])
- assert_is_hash_string(header['previousblockhash'])
- assert_is_hash_string(header['merkleroot'])
- assert_is_hash_string(header['bits'], length=None)
- assert isinstance(header['time'], int)
- assert isinstance(header['mediantime'], int)
- assert isinstance(header['nonce'], int)
- assert isinstance(header['version'], int)
- assert isinstance(int(header['versionHex'], 16), int)
- assert isinstance(header['difficulty'], Decimal)
-
- def _test_getdifficulty(self):
- difficulty = self.nodes[0].getdifficulty()
- # 1 hash in 2 should be valid, so difficulty should be 1/2**31
- # binary => decimal => binary math is why we do this check
- assert abs(difficulty * 2**31 - 1) < 0.0001
-
- def _test_getnetworkhashps(self):
- hashes_per_second = self.nodes[0].getnetworkhashps()
- # This should be 2 hashes every 10 minutes or 1/300
- assert abs(hashes_per_second * 300 - 1) < 0.0001
-
- def _test_stopatheight(self):
- assert_equal(self.nodes[0].getblockcount(), 200)
- self.nodes[0].generate(6)
- assert_equal(self.nodes[0].getblockcount(), 206)
- self.log.debug('Node should not stop at this height')
- assert_raises(subprocess.TimeoutExpired, lambda: self.nodes[0].process.wait(timeout=3))
- try:
- self.nodes[0].generate(1)
- except (ConnectionError, http.client.BadStatusLine):
- pass # The node already shut down before response
- self.log.debug('Node should stop at this height...')
- self.nodes[0].wait_until_stopped()
- self.start_node(0)
- assert_equal(self.nodes[0].getblockcount(), 207)
-
-
-if __name__ == '__main__':
- BlockchainTest().main()