Browse Source

Extend getchaintips RPC test.

Add the capability to simulate network splits to the RPC test framework
and use it to do more extensive testing of 'getchaintips'.
tags/v0.15.1
Daniel Kraft 7 years ago
parent
commit
dcb98466b4

+ 17
- 18
qa/rpc-tests/forknotify.py View File

@@ -17,31 +17,30 @@ class ForkNotifyTest(BitcoinTestFramework):

alert_filename = None # Set by setup_network

def setup_network(self, test_dir):
nodes = []
self.alert_filename = os.path.join(test_dir, "alert.txt")
def setup_network(self):
self.nodes = []
self.alert_filename = os.path.join(self.options.tmpdir, "alert.txt")
with open(self.alert_filename, 'w') as f:
pass # Just open then close to create zero-length file
nodes.append(start_node(0, test_dir,
self.nodes.append(start_node(0, self.options.tmpdir,
["-blockversion=2", "-alertnotify=echo %s >> '" + self.alert_filename + "'"]))
# Node1 mines block.version=211 blocks
nodes.append(start_node(1, test_dir,
self.nodes.append(start_node(1, self.options.tmpdir,
["-blockversion=211"]))
connect_nodes(nodes[1], 0)
connect_nodes(self.nodes[1], 0)

sync_blocks(nodes)
return nodes
self.is_network_split = False
self.sync_all()

def run_test(self, nodes):
def run_test(self):
# Mine 51 up-version blocks
nodes[1].setgenerate(True, 51)
sync_blocks(nodes)
self.nodes[1].setgenerate(True, 51)
self.sync_all()
# -alertnotify should trigger on the 51'st,
# but mine and sync another to give
# -alertnotify time to write
nodes[1].setgenerate(True, 1)
sync_blocks(nodes)
self.nodes[1].setgenerate(True, 1)
self.sync_all()

with open(self.alert_filename, 'r') as f:
alert_text = f.read()
@@ -50,10 +49,10 @@ class ForkNotifyTest(BitcoinTestFramework):
raise AssertionError("-alertnotify did not warn of up-version blocks")

# Mine more up-version blocks, should not get more alerts:
nodes[1].setgenerate(True, 1)
sync_blocks(nodes)
nodes[1].setgenerate(True, 1)
sync_blocks(nodes)
self.nodes[1].setgenerate(True, 1)
self.sync_all()
self.nodes[1].setgenerate(True, 1)
self.sync_all()

with open(self.alert_filename, 'r') as f:
alert_text2 = f.read()

+ 10
- 10
qa/rpc-tests/getblocktemplate.py View File

@@ -51,40 +51,40 @@ class GetBlockTemplateTest(BitcoinTestFramework):
Test longpolling with getblocktemplate.
'''

def run_test(self, nodes):
def run_test(self):
print "Warning: this test will take about 70 seconds in the best case. Be patient."
nodes[0].setgenerate(True, 10)
templat = nodes[0].getblocktemplate()
self.nodes[0].setgenerate(True, 10)
templat = self.nodes[0].getblocktemplate()
longpollid = templat['longpollid']
# longpollid should not change between successive invocations if nothing else happens
templat2 = nodes[0].getblocktemplate()
templat2 = self.nodes[0].getblocktemplate()
assert(templat2['longpollid'] == longpollid)

# Test 1: test that the longpolling wait if we do nothing
thr = LongpollThread(nodes[0])
thr = LongpollThread(self.nodes[0])
thr.start()
# check that thread still lives
thr.join(5) # wait 5 seconds or until thread exits
assert(thr.is_alive())

# Test 2: test that longpoll will terminate if another node generates a block
nodes[1].setgenerate(True, 1) # generate a block on another node
self.nodes[1].setgenerate(True, 1) # generate a block on another node
# check that thread will exit now that new transaction entered mempool
thr.join(5) # wait 5 seconds or until thread exits
assert(not thr.is_alive())

# Test 3: test that longpoll will terminate if we generate a block ourselves
thr = LongpollThread(nodes[0])
thr = LongpollThread(self.nodes[0])
thr.start()
nodes[0].setgenerate(True, 1) # generate a block on another node
self.nodes[0].setgenerate(True, 1) # generate a block on another node
thr.join(5) # wait 5 seconds or until thread exits
assert(not thr.is_alive())

# Test 4: test that introducing a new transaction into the mempool will terminate the longpoll
thr = LongpollThread(nodes[0])
thr = LongpollThread(self.nodes[0])
thr.start()
# generate a random transaction and submit it
(txid, txhex, fee) = random_transaction(nodes, Decimal("1.1"), Decimal("0.0"), Decimal("0.001"), 20)
(txid, txhex, fee) = random_transaction(self.nodes, Decimal("1.1"), Decimal("0.0"), Decimal("0.001"), 20)
# after one minute, every 10 seconds the mempool is probed, so in 80 seconds it should have returned
thr.join(60 + 20)
assert(not thr.is_alive())

+ 40
- 10
qa/rpc-tests/getchaintips.py View File

@@ -3,22 +3,52 @@
# Distributed under the MIT/X11 software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.

# Exercise the getchaintips API.

# Since the test framework does not generate orphan blocks, we can
# unfortunately not check for them!
# Exercise the getchaintips API. We introduce a network split, work
# on chains of different lengths, and join the network together again.
# This gives us two tips, verify that it works.

from test_framework import BitcoinTestFramework
from util import assert_equal

class GetChainTipsTest (BitcoinTestFramework):

def run_test (self, nodes):
res = nodes[0].getchaintips ()
assert_equal (len (res), 1)
res = res[0]
assert_equal (res['branchlen'], 0)
assert_equal (res['height'], 200)
def run_test (self):
BitcoinTestFramework.run_test (self)

tips = self.nodes[0].getchaintips ()
assert_equal (len (tips), 1)
assert_equal (tips[0]['branchlen'], 0)
assert_equal (tips[0]['height'], 200)

# Split the network and build two chains of different lengths.
self.split_network ()
self.nodes[0].setgenerate (True, 10);
self.nodes[2].setgenerate (True, 20);
self.sync_all ()

tips = self.nodes[1].getchaintips ()
assert_equal (len (tips), 1)
shortTip = tips[0]
assert_equal (shortTip['branchlen'], 0)
assert_equal (shortTip['height'], 210)

tips = self.nodes[3].getchaintips ()
assert_equal (len (tips), 1)
longTip = tips[0]
assert_equal (longTip['branchlen'], 0)
assert_equal (longTip['height'], 220)

# Join the network halves and check that we now have two tips
# (at least at the nodes that previously had the short chain).
self.join_network ()

tips = self.nodes[0].getchaintips ()
assert_equal (len (tips), 2)
assert_equal (tips[0], longTip)

assert_equal (tips[1]['branchlen'], 10)
tips[1]['branchlen'] = 0;
assert_equal (tips[1], shortTip)

if __name__ == '__main__':
GetChainTipsTest ().main ()

+ 26
- 24
qa/rpc-tests/listtransactions.py View File

@@ -33,62 +33,64 @@ def check_array_result(object_array, to_match, expected):

class ListTransactionsTest(BitcoinTestFramework):

def run_test(self, nodes):
def run_test(self):
# Simple send, 0 to 1:
txid = nodes[0].sendtoaddress(nodes[1].getnewaddress(), 0.1)
sync_mempools(nodes)
check_array_result(nodes[0].listtransactions(),
txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.1)
self.sync_all()
check_array_result(self.nodes[0].listtransactions(),
{"txid":txid},
{"category":"send","account":"","amount":Decimal("-0.1"),"confirmations":0})
check_array_result(nodes[1].listtransactions(),
check_array_result(self.nodes[1].listtransactions(),
{"txid":txid},
{"category":"receive","account":"","amount":Decimal("0.1"),"confirmations":0})
# mine a block, confirmations should change:
nodes[0].setgenerate(True, 1)
sync_blocks(nodes)
check_array_result(nodes[0].listtransactions(),
self.nodes[0].setgenerate(True, 1)
self.sync_all()
check_array_result(self.nodes[0].listtransactions(),
{"txid":txid},
{"category":"send","account":"","amount":Decimal("-0.1"),"confirmations":1})
check_array_result(nodes[1].listtransactions(),
check_array_result(self.nodes[1].listtransactions(),
{"txid":txid},
{"category":"receive","account":"","amount":Decimal("0.1"),"confirmations":1})

# send-to-self:
txid = nodes[0].sendtoaddress(nodes[0].getnewaddress(), 0.2)
check_array_result(nodes[0].listtransactions(),
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 0.2)
check_array_result(self.nodes[0].listtransactions(),
{"txid":txid, "category":"send"},
{"amount":Decimal("-0.2")})
check_array_result(nodes[0].listtransactions(),
check_array_result(self.nodes[0].listtransactions(),
{"txid":txid, "category":"receive"},
{"amount":Decimal("0.2")})

# sendmany from node1: twice to self, twice to node2:
send_to = { nodes[0].getnewaddress() : 0.11, nodes[1].getnewaddress() : 0.22,
nodes[0].getaccountaddress("from1") : 0.33, nodes[1].getaccountaddress("toself") : 0.44 }
txid = nodes[1].sendmany("", send_to)
sync_mempools(nodes)
check_array_result(nodes[1].listtransactions(),
send_to = { self.nodes[0].getnewaddress() : 0.11,
self.nodes[1].getnewaddress() : 0.22,
self.nodes[0].getaccountaddress("from1") : 0.33,
self.nodes[1].getaccountaddress("toself") : 0.44 }
txid = self.nodes[1].sendmany("", send_to)
self.sync_all()
check_array_result(self.nodes[1].listtransactions(),
{"category":"send","amount":Decimal("-0.11")},
{"txid":txid} )
check_array_result(nodes[0].listtransactions(),
check_array_result(self.nodes[0].listtransactions(),
{"category":"receive","amount":Decimal("0.11")},
{"txid":txid} )
check_array_result(nodes[1].listtransactions(),
check_array_result(self.nodes[1].listtransactions(),
{"category":"send","amount":Decimal("-0.22")},
{"txid":txid} )
check_array_result(nodes[1].listtransactions(),
check_array_result(self.nodes[1].listtransactions(),
{"category":"receive","amount":Decimal("0.22")},
{"txid":txid} )
check_array_result(nodes[1].listtransactions(),
check_array_result(self.nodes[1].listtransactions(),
{"category":"send","amount":Decimal("-0.33")},
{"txid":txid} )
check_array_result(nodes[0].listtransactions(),
check_array_result(self.nodes[0].listtransactions(),
{"category":"receive","amount":Decimal("0.33")},
{"txid":txid, "account" : "from1"} )
check_array_result(nodes[1].listtransactions(),
check_array_result(self.nodes[1].listtransactions(),
{"category":"send","amount":Decimal("-0.44")},
{"txid":txid, "account" : ""} )
check_array_result(nodes[1].listtransactions(),
check_array_result(self.nodes[1].listtransactions(),
{"category":"receive","amount":Decimal("0.44")},
{"txid":txid, "account" : "toself"} )


+ 34
- 34
qa/rpc-tests/receivedby.py View File

@@ -54,36 +54,36 @@ def check_array_result(object_array, to_match, expected, should_not_find = False

class ReceivedByTest(BitcoinTestFramework):

def run_test(self, nodes):
def run_test(self):
'''
listreceivedbyaddress Test
'''
# Send from node 0 to 1
addr = nodes[1].getnewaddress()
txid = nodes[0].sendtoaddress(addr, 0.1)
sync_mempools(nodes)
addr = self.nodes[1].getnewaddress()
txid = self.nodes[0].sendtoaddress(addr, 0.1)
self.sync_all()

#Check not listed in listreceivedbyaddress because has 0 confirmations
check_array_result(nodes[1].listreceivedbyaddress(),
check_array_result(self.nodes[1].listreceivedbyaddress(),
{"address":addr},
{ },
True)
#Bury Tx under 10 block so it will be returned by listreceivedbyaddress
nodes[1].setgenerate(True, 10)
sync_blocks(nodes)
check_array_result(nodes[1].listreceivedbyaddress(),
self.nodes[1].setgenerate(True, 10)
self.sync_all()
check_array_result(self.nodes[1].listreceivedbyaddress(),
{"address":addr},
{"address":addr, "account":"", "amount":Decimal("0.1"), "confirmations":10, "txids":[txid,]})
#With min confidence < 10
check_array_result(nodes[1].listreceivedbyaddress(5),
check_array_result(self.nodes[1].listreceivedbyaddress(5),
{"address":addr},
{"address":addr, "account":"", "amount":Decimal("0.1"), "confirmations":10, "txids":[txid,]})
#With min confidence > 10, should not find Tx
check_array_result(nodes[1].listreceivedbyaddress(11),{"address":addr},{ },True)
check_array_result(self.nodes[1].listreceivedbyaddress(11),{"address":addr},{ },True)

#Empty Tx
addr = nodes[1].getnewaddress()
check_array_result(nodes[1].listreceivedbyaddress(0,True),
addr = self.nodes[1].getnewaddress()
check_array_result(self.nodes[1].listreceivedbyaddress(0,True),
{"address":addr},
{"address":addr, "account":"", "amount":0, "confirmations":0, "txids":[]})

@@ -91,24 +91,24 @@ class ReceivedByTest(BitcoinTestFramework):
getreceivedbyaddress Test
'''
# Send from node 0 to 1
addr = nodes[1].getnewaddress()
txid = nodes[0].sendtoaddress(addr, 0.1)
sync_mempools(nodes)
addr = self.nodes[1].getnewaddress()
txid = self.nodes[0].sendtoaddress(addr, 0.1)
self.sync_all()

#Check balance is 0 because of 0 confirmations
balance = nodes[1].getreceivedbyaddress(addr)
balance = self.nodes[1].getreceivedbyaddress(addr)
if balance != Decimal("0.0"):
raise AssertionError("Wrong balance returned by getreceivedbyaddress, %0.2f"%(balance))

#Check balance is 0.1
balance = nodes[1].getreceivedbyaddress(addr,0)
balance = self.nodes[1].getreceivedbyaddress(addr,0)
if balance != Decimal("0.1"):
raise AssertionError("Wrong balance returned by getreceivedbyaddress, %0.2f"%(balance))

#Bury Tx under 10 block so it will be returned by the default getreceivedbyaddress
nodes[1].setgenerate(True, 10)
sync_blocks(nodes)
balance = nodes[1].getreceivedbyaddress(addr)
self.nodes[1].setgenerate(True, 10)
self.sync_all()
balance = self.nodes[1].getreceivedbyaddress(addr)
if balance != Decimal("0.1"):
raise AssertionError("Wrong balance returned by getreceivedbyaddress, %0.2f"%(balance))

@@ -116,40 +116,40 @@ class ReceivedByTest(BitcoinTestFramework):
listreceivedbyaccount + getreceivedbyaccount Test
'''
#set pre-state
addrArr = nodes[1].getnewaddress()
account = nodes[1].getaccount(addrArr)
received_by_account_json = get_sub_array_from_array(nodes[1].listreceivedbyaccount(),{"account":account})
addrArr = self.nodes[1].getnewaddress()
account = self.nodes[1].getaccount(addrArr)
received_by_account_json = get_sub_array_from_array(self.nodes[1].listreceivedbyaccount(),{"account":account})
if len(received_by_account_json) == 0:
raise AssertionError("No accounts found in node")
balance_by_account = rec_by_accountArr = nodes[1].getreceivedbyaccount(account)
balance_by_account = rec_by_accountArr = self.nodes[1].getreceivedbyaccount(account)

txid = nodes[0].sendtoaddress(addr, 0.1)
txid = self.nodes[0].sendtoaddress(addr, 0.1)

# listreceivedbyaccount should return received_by_account_json because of 0 confirmations
check_array_result(nodes[1].listreceivedbyaccount(),
check_array_result(self.nodes[1].listreceivedbyaccount(),
{"account":account},
received_by_account_json)

# getreceivedbyaddress should return same balance because of 0 confirmations
balance = nodes[1].getreceivedbyaccount(account)
balance = self.nodes[1].getreceivedbyaccount(account)
if balance != balance_by_account:
raise AssertionError("Wrong balance returned by getreceivedbyaccount, %0.2f"%(balance))

nodes[1].setgenerate(True, 10)
sync_blocks(nodes)
self.nodes[1].setgenerate(True, 10)
self.sync_all()
# listreceivedbyaccount should return updated account balance
check_array_result(nodes[1].listreceivedbyaccount(),
check_array_result(self.nodes[1].listreceivedbyaccount(),
{"account":account},
{"account":received_by_account_json["account"], "amount":(received_by_account_json["amount"] + Decimal("0.1"))})

# getreceivedbyaddress should return updates balance
balance = nodes[1].getreceivedbyaccount(account)
balance = self.nodes[1].getreceivedbyaccount(account)
if balance != balance_by_account + Decimal("0.1"):
raise AssertionError("Wrong balance returned by getreceivedbyaccount, %0.2f"%(balance))

#Create a new account named "mynewaccount" that has a 0 balance
nodes[1].getaccountaddress("mynewaccount")
received_by_account_json = get_sub_array_from_array(nodes[1].listreceivedbyaccount(0,True),{"account":"mynewaccount"})
self.nodes[1].getaccountaddress("mynewaccount")
received_by_account_json = get_sub_array_from_array(self.nodes[1].listreceivedbyaccount(0,True),{"account":"mynewaccount"})
if len(received_by_account_json) == 0:
raise AssertionError("No accounts found in node")

@@ -158,7 +158,7 @@ class ReceivedByTest(BitcoinTestFramework):
raise AssertionError("Wrong balance returned by listreceivedbyaccount, %0.2f"%(received_by_account_json["amount"]))

# Test getreceivedbyaccount for 0 amount accounts
balance = nodes[1].getreceivedbyaccount("mynewaccount")
balance = self.nodes[1].getreceivedbyaccount("mynewaccount")
if balance != Decimal("0.0"):
raise AssertionError("Wrong balance returned by getreceivedbyaccount, %0.2f"%(balance))


+ 24
- 24
qa/rpc-tests/smartfees.py View File

@@ -10,48 +10,48 @@ from util import *

class EstimateFeeTest(BitcoinTestFramework):

def setup_network(self, test_dir):
nodes = []
nodes.append(start_node(0, test_dir,
def setup_network(self):
self.nodes = []
self.nodes.append(start_node(0, self.options.tmpdir,
["-debug=mempool", "-debug=estimatefee"]))
# Node1 mines small-but-not-tiny blocks, and allows free transactions.
# NOTE: the CreateNewBlock code starts counting block size at 1,000 bytes,
# so blockmaxsize of 2,000 is really just 1,000 bytes (room enough for
# 6 or 7 transactions)
nodes.append(start_node(1, test_dir,
self.nodes.append(start_node(1, self.options.tmpdir,
["-blockprioritysize=1500", "-blockmaxsize=2000",
"-debug=mempool", "-debug=estimatefee"]))
connect_nodes(nodes[1], 0)
connect_nodes(self.nodes[1], 0)

# Node2 is a stingy miner, that
# produces very small blocks (room for only 3 or so transactions)
node2args = [ "-blockprioritysize=0", "-blockmaxsize=1500",
"-debug=mempool", "-debug=estimatefee"]
nodes.append(start_node(2, test_dir, node2args))
connect_nodes(nodes[2], 0)
self.nodes.append(start_node(2, self.options.tmpdir, node2args))
connect_nodes(self.nodes[2], 0)

sync_blocks(nodes)
return nodes
self.is_network_split = False
self.sync_all()

def run_test(self, nodes):
def run_test(self):
# Prime the memory pool with pairs of transactions
# (high-priority, random fee and zero-priority, random fee)
min_fee = Decimal("0.001")
fees_per_kb = [];
for i in range(12):
(txid, txhex, fee) = random_zeropri_transaction(nodes, Decimal("1.1"),
(txid, txhex, fee) = random_zeropri_transaction(self.nodes, Decimal("1.1"),
min_fee, min_fee, 20)
tx_kbytes = (len(txhex)/2)/1000.0
fees_per_kb.append(float(fee)/tx_kbytes)

# Mine blocks with node2 until the memory pool clears:
count_start = nodes[2].getblockcount()
while len(nodes[2].getrawmempool()) > 0:
nodes[2].setgenerate(True, 1)
sync_blocks(nodes)
count_start = self.nodes[2].getblockcount()
while len(self.nodes[2].getrawmempool()) > 0:
self.nodes[2].setgenerate(True, 1)
self.sync_all()

all_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ]
all_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]
print("Fee estimates, super-stingy miner: "+str([str(e) for e in all_estimates]))

# Estimates should be within the bounds of what transactions fees actually were:
@@ -63,25 +63,25 @@ class EstimateFeeTest(BitcoinTestFramework):
# Generate transactions while mining 30 more blocks, this time with node1:
for i in range(30):
for j in range(random.randrange(6-4,6+4)):
(txid, txhex, fee) = random_transaction(nodes, Decimal("1.1"),
(txid, txhex, fee) = random_transaction(self.nodes, Decimal("1.1"),
Decimal("0.0"), min_fee, 20)
tx_kbytes = (len(txhex)/2)/1000.0
fees_per_kb.append(float(fee)/tx_kbytes)
nodes[1].setgenerate(True, 1)
sync_blocks(nodes)
self.nodes[1].setgenerate(True, 1)
self.sync_all()

all_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ]
all_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]
print("Fee estimates, more generous miner: "+str([ str(e) for e in all_estimates]))
for e in filter(lambda x: x >= 0, all_estimates):
if float(e)+delta < min(fees_per_kb) or float(e)-delta > max(fees_per_kb):
raise AssertionError("Estimated fee (%f) out of range (%f,%f)"%(float(e), min_fee_kb, max_fee_kb))

# Finish by mining a normal-sized block:
while len(nodes[0].getrawmempool()) > 0:
nodes[0].setgenerate(True, 1)
sync_blocks(nodes)
while len(self.nodes[0].getrawmempool()) > 0:
self.nodes[0].setgenerate(True, 1)
self.sync_all()

final_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ]
final_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]
print("Final fee estimates: "+str([ str(e) for e in final_estimates]))



+ 56
- 15
qa/rpc-tests/test_framework.py View File

@@ -21,22 +21,64 @@ from util import *
class BitcoinTestFramework(object):

# These may be over-ridden by subclasses:
def run_test(self, nodes):
def run_test(self):
for node in self.nodes:
assert_equal(node.getblockcount(), 200)
assert_equal(node.getbalance(), 25*50)

def add_options(self, parser):
pass

def setup_chain(self, tmp_directory):
print("Initializing test directory "+tmp_directory)
initialize_chain(tmp_directory)

def setup_network(self, tmp_directory):
nodes = start_nodes(2, tmp_directory)
connect_nodes(nodes[1], 0)
sync_blocks(nodes)
return nodes
def setup_chain(self):
print("Initializing test directory "+self.options.tmpdir)
initialize_chain(self.options.tmpdir)

def setup_network(self, split = False):
self.nodes = start_nodes(4, self.options.tmpdir)

# Connect the nodes as a "chain". This allows us
# to split the network between nodes 1 and 2 to get
# two halves that can work on competing chains.

# If we joined network halves, connect the nodes from the joint
# on outward. This ensures that chains are properly reorganised.
if not split:
connect_nodes(self.nodes[2], 1)
sync_blocks(self.nodes[1:2])
sync_mempools(self.nodes[1:2])

connect_nodes(self.nodes[1], 0)
connect_nodes(self.nodes[3], 2)
self.is_network_split = split
self.sync_all()

def split_network(self):
"""
Split the network of four nodes into nodes 0/1 and 2/3.
"""
assert not self.is_network_split
stop_nodes(self.nodes)
wait_bitcoinds()
self.setup_network(True)

def sync_all(self):
if self.is_network_split:
sync_blocks(self.nodes[:1])
sync_blocks(self.nodes[2:])
sync_mempools(self.nodes[:1])
sync_mempools(self.nodes[2:])
else:
sync_blocks(self.nodes)
sync_mempools(self.nodes)

def join_network(self):
"""
Join the (previously split) network halves together.
"""
assert self.is_network_split
stop_nodes(self.nodes)
wait_bitcoinds()
self.setup_network(False)

def main(self):
import optparse
@@ -56,15 +98,14 @@ class BitcoinTestFramework(object):
check_json_precision()

success = False
nodes = []
try:
if not os.path.isdir(self.options.tmpdir):
os.makedirs(self.options.tmpdir)
self.setup_chain(self.options.tmpdir)
self.setup_chain()

nodes = self.setup_network(self.options.tmpdir)
self.setup_network()

self.run_test(nodes)
self.run_test()

success = True

@@ -80,7 +121,7 @@ class BitcoinTestFramework(object):

if not self.options.nocleanup:
print("Cleaning up")
stop_nodes(nodes)
stop_nodes(self.nodes)
wait_bitcoinds()
shutil.rmtree(self.options.tmpdir)


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