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435 lines
18 KiB
435 lines
18 KiB
#!/usr/bin/env python3 |
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# Copyright (c) 2014-2020 The Bitcoin Core developers |
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# Distributed under the MIT software license, see the accompanying |
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# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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"""Test RPCs related to blockchainstate. |
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|
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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 os |
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import subprocess |
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from test_framework.address import ADDRESS_BCRT1_P2WSH_OP_TRUE |
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from test_framework.blocktools import ( |
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create_block, |
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create_coinbase, |
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TIME_GENESIS_BLOCK, |
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) |
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from test_framework.messages import ( |
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CBlockHeader, |
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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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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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|
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def run_test(self): |
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self.mine_chain() |
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self.restart_node(0, extra_args=['-stopatheight=207', '-prune=1']) # Set extra args with pruning after rescan is complete |
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|
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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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|
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def mine_chain(self): |
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self.log.info('Create some old blocks') |
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for t in range(TIME_GENESIS_BLOCK, TIME_GENESIS_BLOCK + 200 * 600, 600): |
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# ten-minute steps from genesis block time |
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self.nodes[0].setmocktime(t) |
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self.nodes[0].generatetoaddress(1, ADDRESS_BCRT1_P2WSH_OP_TRUE) |
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assert_equal(self.nodes[0].getblockchaininfo()['blocks'], 200) |
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def _test_getblockchaininfo(self): |
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self.log.info("Test getblockchaininfo") |
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keys = [ |
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'bestblockhash', |
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'blocks', |
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'chain', |
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'chainwork', |
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'difficulty', |
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'headers', |
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'initialblockdownload', |
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'mediantime', |
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'pruned', |
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'size_on_disk', |
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'softforks', |
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'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']) |
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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']) |
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res = self.nodes[0].getblockchaininfo() |
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# result should have these additional pruning keys if prune=550 |
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assert_equal(sorted(res.keys()), sorted(['pruneheight', 'automatic_pruning', 'prune_target_size'] + keys)) |
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# check related fields |
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assert res['pruned'] |
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assert_equal(res['pruneheight'], 0) |
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assert res['automatic_pruning'] |
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assert_equal(res['prune_target_size'], 576716800) |
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assert_greater_than(res['size_on_disk'], 0) |
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assert_equal(res['softforks'], { |
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'bip34': {'type': 'buried', 'active': False, 'height': 500}, |
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'bip66': {'type': 'buried', 'active': False, 'height': 1251}, |
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'bip65': {'type': 'buried', 'active': False, 'height': 1351}, |
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'csv': {'type': 'buried', 'active': False, 'height': 432}, |
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'segwit': {'type': 'buried', 'active': True, 'height': 0}, |
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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': 57, |
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'count': 57, |
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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(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 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'] * 600, 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('8725.00000000')) |
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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'], 16800), |
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assert_equal(res['bestblock'], node.getblockhash(200)) |
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size = res['disk_size'] |
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assert size > 6400 |
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assert size < 64000 |
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assert_equal(len(res['bestblock']), 64) |
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assert_equal(len(res['hash_serialized_2']), 64) |
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self.log.info("Test that gettxoutsetinfo() works for blockchain with just the genesis block") |
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b1hash = node.getblockhash(1) |
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node.invalidateblock(b1hash) |
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res2 = node.gettxoutsetinfo() |
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assert_equal(res2['transactions'], 0) |
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assert_equal(res2['total_amount'], Decimal('0')) |
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assert_equal(res2['height'], 0) |
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assert_equal(res2['txouts'], 0) |
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assert_equal(res2['bogosize'], 0), |
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assert_equal(res2['bestblock'], node.getblockhash(0)) |
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assert_equal(len(res2['hash_serialized_2']), 64) |
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self.log.info("Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block") |
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node.reconsiderblock(b1hash) |
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res3 = node.gettxoutsetinfo() |
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# The field 'disk_size' is non-deterministic and can thus not be |
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# compared between res and res3. Everything else should be the same. |
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del res['disk_size'], res3['disk_size'] |
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assert_equal(res, res3) |
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self.log.info("Test hash_type option for gettxoutsetinfo()") |
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# Adding hash_type 'hash_serialized_2', which is the default, should |
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# not change the result. |
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res4 = node.gettxoutsetinfo(hash_type='hash_serialized_2') |
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del res4['disk_size'] |
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assert_equal(res, res4) |
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# hash_type none should not return a UTXO set hash. |
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res5 = node.gettxoutsetinfo(hash_type='none') |
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assert 'hash_serialized_2' not in res5 |
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# hash_type muhash should return a different UTXO set hash. |
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res6 = node.gettxoutsetinfo(hash_type='muhash') |
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assert 'muhash' in res6 |
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assert(res['hash_serialized_2'] != res6['muhash']) |
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# muhash should not be 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, "foohash is not a valid hash_type", node.gettxoutsetinfo, "foohash") |
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def _test_getblockheader(self): |
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node = self.nodes[0] |
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assert_raises_rpc_error(-8, "hash must be of length 64 (not 8, for 'nonsense')", node.getblockheader, "nonsense") |
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assert_raises_rpc_error(-8, "hash must be hexadecimal string (not 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844')", node.getblockheader, "ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844") |
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assert_raises_rpc_error(-5, "Block not found", node.getblockheader, "0cf7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844") |
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besthash = node.getbestblockhash() |
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secondbesthash = node.getblockhash(199) |
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header = node.getblockheader(blockhash=besthash) |
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assert_equal(header['hash'], besthash) |
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assert_equal(header['height'], 200) |
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assert_equal(header['confirmations'], 1) |
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assert_equal(header['previousblockhash'], secondbesthash) |
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assert_is_hex_string(header['chainwork']) |
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assert_equal(header['nTx'], 1) |
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assert_is_hash_string(header['hash']) |
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assert_is_hash_string(header['previousblockhash']) |
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assert_is_hash_string(header['merkleroot']) |
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assert_is_hash_string(header['bits'], length=None) |
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assert isinstance(header['time'], int) |
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assert isinstance(header['mediantime'], int) |
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assert isinstance(header['nonce'], int) |
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assert isinstance(header['version'], int) |
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assert isinstance(int(header['versionHex'], 16), int) |
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assert isinstance(header['difficulty'], Decimal) |
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# Test with verbose=False, which should return the header as hex. |
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header_hex = node.getblockheader(blockhash=besthash, verbose=False) |
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assert_is_hex_string(header_hex) |
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header = 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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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 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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assert_equal(self.nodes[0].getblockcount(), 200) |
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self.nodes[0].generatetoaddress(6, ADDRESS_BCRT1_P2WSH_OP_TRUE) |
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assert_equal(self.nodes[0].getblockcount(), 206) |
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self.log.debug('Node should not stop at this height') |
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assert_raises(subprocess.TimeoutExpired, lambda: self.nodes[0].process.wait(timeout=3)) |
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try: |
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self.nodes[0].generatetoaddress(1, ADDRESS_BCRT1_P2WSH_OP_TRUE) |
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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(), 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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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) |
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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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def _test_getblock(self): |
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node = self.nodes[0] |
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miniwallet = MiniWallet(node) |
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miniwallet.scan_blocks(num=5) |
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fee_per_byte = Decimal('0.00000010') |
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fee_per_kb = 1000 * fee_per_byte |
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miniwallet.send_self_transfer(fee_rate=fee_per_kb, from_node=node) |
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blockhash = node.generate(1)[0] |
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self.log.info("Test that getblock with verbosity 1 doesn't include fee") |
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block = node.getblock(blockhash, 1) |
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assert 'fee' not in block['tx'][1] |
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self.log.info('Test that getblock with verbosity 2 includes expected fee') |
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block = node.getblock(blockhash, 2) |
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tx = block['tx'][1] |
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assert 'fee' in tx |
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assert_equal(tx['fee'], tx['vsize'] * fee_per_byte) |
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self.log.info("Test that getblock with verbosity 2 still works with pruned Undo data") |
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datadir = get_datadir_path(self.options.tmpdir, 0) |
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self.log.info("Test that getblock with invalid verbosity type returns proper error message") |
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assert_raises_rpc_error(-1, "JSON value is not an integer as expected", node.getblock, blockhash, "2") |
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def move_block_file(old, new): |
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old_path = os.path.join(datadir, self.chain, 'blocks', old) |
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new_path = os.path.join(datadir, self.chain, 'blocks', new) |
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os.rename(old_path, new_path) |
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# Move instead of deleting so we can restore chain state afterwards |
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move_block_file('rev00000.dat', 'rev_wrong') |
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block = node.getblock(blockhash, 2) |
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assert 'fee' not in block['tx'][1] |
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# Restore chain state |
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move_block_file('rev_wrong', 'rev00000.dat') |
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assert 'previousblockhash' not in node.getblock(node.getblockhash(0)) |
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assert 'nextblockhash' not in node.getblock(node.getbestblockhash()) |
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if __name__ == '__main__': |
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BlockchainTest().main()
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