diff --git a/test/functional/rpc_blockchain.py b/test/functional/rpc_blockchain.py
index f59edcba2..6f2ac7c8a 100755
--- a/test/functional/rpc_blockchain.py
+++ b/test/functional/rpc_blockchain.py
@@ -1,414 +1,425 @@
#!/usr/bin/env python3
# Copyright (c) 2014-2019 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.blocktools import (
create_block,
create_coinbase,
TIME_GENESIS_BLOCK,
)
from test_framework.messages import (
msg_block,
)
from test_framework.p2p import P2PInterface
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.setup_clean_chain = True
self.num_nodes = 1
# TODO: remove -txindex. Currently required for getrawtransaction call.
self.extra_args = [["-txindex"]]
self.supports_cli = False
def run_test(self):
self.mine_chain()
# Set extra args with pruning after rescan is complete
self.restart_node(0, extra_args=['-stopatheight=207', '-prune=1'])
self._test_getblockchaininfo()
self._test_getchaintxstats()
self._test_gettxoutsetinfo()
self._test_getblockheader()
self._test_getdifficulty()
self._test_getnetworkhashps()
self._test_stopatheight()
self._test_waitforblockheight()
if self.is_wallet_compiled():
self._test_getblock()
assert self.nodes[0].verifychain(4, 0)
def mine_chain(self):
self.log.info('Create some old blocks')
address = self.nodes[0].get_deterministic_priv_key().address
for t in range(TIME_GENESIS_BLOCK,
TIME_GENESIS_BLOCK + 200 * 600, 600):
# ten-minute steps from genesis block time
self.nodes[0].setmocktime(t)
self.nodes[0].generatetoaddress(1, address)
assert_equal(self.nodes[0].getblockchaininfo()['blocks'], 200)
def _test_getblockchaininfo(self):
self.log.info("Test getblockchaininfo")
keys = [
'bestblockhash',
'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)
assert_equal(res['softforks'], {
'testdummy': {
'type': 'bip9',
'bip9': {
'status': 'started',
'bit': 28,
'start_time': 0,
# testdummy does not have a timeout so is set to the max
# int64 value
'timeout': 0x7fffffffffffffff,
'since': 144,
'statistics': {
'period': 144,
'threshold': 108,
'elapsed': 57,
'count': 57,
'possible': True,
},
},
'active': False,
},
})
# 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):
self.log.info("Test getchaintxstats")
# Test `getchaintxstats` invalid extra parameters
assert_raises_rpc_error(
-1, 'getchaintxstats', self.nodes[0].getchaintxstats, 0, '', 0)
# Test `getchaintxstats` invalid `nblocks`
assert_raises_rpc_error(
-1, "JSON value is not an integer as expected", self.nodes[0].getchaintxstats, '')
assert_raises_rpc_error(
-8, "Invalid block count: should be between 0 and the block's height - 1", self.nodes[0].getchaintxstats, -1)
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())
# Test `getchaintxstats` invalid `blockhash`
assert_raises_rpc_error(
-1, "JSON value is not a string as expected", self.nodes[0].getchaintxstats, blockhash=0)
assert_raises_rpc_error(-8,
"blockhash must be of length 64 (not 1, for '0')",
self.nodes[0].getchaintxstats,
blockhash='0')
assert_raises_rpc_error(
-8,
"blockhash must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')",
self.nodes[0].getchaintxstats,
blockhash='ZZZ0000000000000000000000000000000000000000000000000000000000000')
assert_raises_rpc_error(
-5,
"Block not found",
self.nodes[0].getchaintxstats,
blockhash='0000000000000000000000000000000000000000000000000000000000000000')
blockhash = self.nodes[0].getblockhash(200)
self.nodes[0].invalidateblock(blockhash)
assert_raises_rpc_error(
-8, "Block is not in main chain", self.nodes[0].getchaintxstats, blockhash=blockhash)
self.nodes[0].reconsiderblock(blockhash)
chaintxstats = self.nodes[0].getchaintxstats(nblocks=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_hash = self.nodes[0].getblockhash(1)
b1 = self.nodes[0].getblock(b1_hash)
b200_hash = self.nodes[0].getblockhash(200)
b200 = self.nodes[0].getblock(b200_hash)
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_final_block_hash'], b200_hash)
assert_equal(chaintxstats['window_final_block_height'], 200)
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_final_block_hash'], b1_hash)
assert_equal(chaintxstats['window_final_block_height'], 1)
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
def _test_gettxoutsetinfo(self):
node = self.nodes[0]
res = node.gettxoutsetinfo()
assert_equal(res['total_amount'], Decimal('8725000000.00'))
assert_equal(res['transactions'], 200)
assert_equal(res['height'], 200)
assert_equal(res['txouts'], 200)
assert_equal(res['bogosize'], 15000),
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']), 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']), 64)
self.log.info(
"Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block")
node.reconsiderblock(b1hash)
res3 = node.gettxoutsetinfo()
# The field 'disk_size' is non-deterministic and can thus not be
# compared between res and res3. Everything else should be the same.
del res['disk_size'], res3['disk_size']
assert_equal(res, res3)
+ self.log.info("Test hash_type option for gettxoutsetinfo()")
+ # Adding hash_type 'hash_serialized', which is the default, should
+ # not change the result.
+ res4 = node.gettxoutsetinfo(hash_type='hash_serialized')
+ del res4['disk_size']
+ assert_equal(res, res4)
+
+ # hash_type none should not return a UTXO set hash.
+ res5 = node.gettxoutsetinfo(hash_type='none')
+ assert 'hash_serialized' not in res5
+
def _test_getblockheader(self):
node = self.nodes[0]
assert_raises_rpc_error(-8,
"hash must be of length 64 (not 8, for 'nonsense')",
node.getblockheader,
"nonsense")
assert_raises_rpc_error(
-8,
"hash must be hexadecimal string (not 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844')",
node.getblockheader,
"ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844")
assert_raises_rpc_error(-5, "Block not found", node.getblockheader,
"0cf7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844")
besthash = node.getbestblockhash()
secondbesthash = node.getblockhash(199)
header = node.getblockheader(blockhash=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_equal(header['nTx'], 1)
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].generatetoaddress(
6, self.nodes[0].get_deterministic_priv_key().address)
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].generatetoaddress(
1, self.nodes[0].get_deterministic_priv_key().address)
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)
def _test_waitforblockheight(self):
self.log.info("Test waitforblockheight")
node = self.nodes[0]
node.add_p2p_connection(P2PInterface())
current_height = node.getblock(node.getbestblockhash())['height']
# Create a fork somewhere below our current height, invalidate the tip
# of that fork, and then ensure that waitforblockheight still
# works as expected.
#
# (Previously this was broken based on setting
# `rpc/blockchain.cpp:latestblock` incorrectly.)
#
b20hash = node.getblockhash(20)
b20 = node.getblock(b20hash)
def solve_and_send_block(prevhash, height, time):
b = create_block(prevhash, create_coinbase(height), time)
b.solve()
node.p2p.send_and_ping(msg_block(b))
return b
b21f = solve_and_send_block(int(b20hash, 16), 21, b20['time'] + 1)
b22f = solve_and_send_block(b21f.sha256, 22, b21f.nTime + 1)
node.invalidateblock(b22f.hash)
def assert_waitforheight(height, timeout=2):
assert_equal(
node.waitforblockheight(
height=height, timeout=timeout)['height'],
current_height)
assert_waitforheight(0)
assert_waitforheight(current_height - 1)
assert_waitforheight(current_height)
assert_waitforheight(current_height + 1)
def _test_getblock(self):
# Checks for getblock verbose outputs
node = self.nodes[0]
(blockhash, nextblockhash) = node.generate(2)
blockinfo = node.getblock(blockhash, 2)
transactioninfo = node.gettransaction(blockinfo['tx'][0]['txid'])
blockheaderinfo = node.getblockheader(blockhash, True)
assert_equal(blockinfo['hash'], transactioninfo['blockhash'])
assert_equal(
blockinfo['confirmations'],
transactioninfo['confirmations'])
assert_equal(blockinfo['height'], blockheaderinfo['height'])
assert_equal(blockinfo['versionHex'], blockheaderinfo['versionHex'])
assert_equal(blockinfo['version'], blockheaderinfo['version'])
assert_equal(blockinfo['size'], 181)
assert_equal(blockinfo['merkleroot'], blockheaderinfo['merkleroot'])
# Verify transaction data by check the hex values
for tx in blockinfo['tx']:
rawtransaction = node.getrawtransaction(tx['txid'], True)
assert_equal(tx['hex'], rawtransaction['hex'])
assert_equal(blockinfo['time'], blockheaderinfo['time'])
assert_equal(blockinfo['mediantime'], blockheaderinfo['mediantime'])
assert_equal(blockinfo['nonce'], blockheaderinfo['nonce'])
assert_equal(blockinfo['bits'], blockheaderinfo['bits'])
assert_equal(blockinfo['difficulty'], blockheaderinfo['difficulty'])
assert_equal(blockinfo['chainwork'], blockheaderinfo['chainwork'])
assert_equal(
blockinfo['previousblockhash'],
blockheaderinfo['previousblockhash'])
assert_equal(blockinfo['nextblockhash'], nextblockhash)
assert_equal(
blockinfo['nextblockhash'],
blockheaderinfo['nextblockhash'])
if __name__ == '__main__':
BlockchainTest().main()