diff options
Diffstat (limited to 'test/functional/rpc_blockchain.py')
| -rwxr-xr-x | test/functional/rpc_blockchain.py | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/test/functional/rpc_blockchain.py b/test/functional/rpc_blockchain.py new file mode 100755 index 0000000000..11acff4be1 --- /dev/null +++ b/test/functional/rpc_blockchain.py @@ -0,0 +1,227 @@ +#!/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() |