dad8c67d38
64c0800 Use logging in individual tests (John Newbery) 38ad281 Use logging in test_framework/comptool.py (John Newbery) ff19073 Use logging in test_framework/blockstore.py (John Newbery) 2a9c7c7 Use logging in test_framework/util.py (John Newbery) b0dec4a Remove manual debug settings in qa tests. (John Newbery) af1363c Always enable debug log and microsecond logging for test nodes. (John Newbery) 6d0e325 Use logging in mininode.py (John Newbery) 553a976 Add logging to p2p-segwit.py (John Newbery) 0e6d23d Add logging to test_framework.py (John Newbery) Tree-SHA512: 42ee2acbf444ec32d796f930f9f6e272da03c75e93d974a126d4ea9b2dbaa77cc57ab5e63ce3fd33d609049d884eb8d9f65272c08922d10f8db69d4a60ad05a3
770 lines
28 KiB
Python
770 lines
28 KiB
Python
#!/usr/bin/env python3
|
|
# Copyright (c) 2014-2016 The Bitcoin Core developers
|
|
# Copyright (c) 2014-2017 The Dash Core developers
|
|
# Distributed under the MIT software license, see the accompanying
|
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
"""Helpful routines for regression testing."""
|
|
|
|
import os
|
|
import sys
|
|
|
|
from binascii import hexlify, unhexlify
|
|
from base64 import b64encode
|
|
from decimal import Decimal, ROUND_DOWN
|
|
import json
|
|
import http.client
|
|
import random
|
|
import shutil
|
|
import subprocess
|
|
import tempfile
|
|
import time
|
|
import re
|
|
import errno
|
|
import logging
|
|
|
|
from . import coverage
|
|
from .authproxy import AuthServiceProxy, JSONRPCException
|
|
|
|
COVERAGE_DIR = None
|
|
|
|
logger = logging.getLogger("TestFramework.utils")
|
|
|
|
# The maximum number of nodes a single test can spawn
|
|
MAX_NODES = 15
|
|
# Don't assign rpc or p2p ports lower than this
|
|
PORT_MIN = 11000
|
|
# The number of ports to "reserve" for p2p and rpc, each
|
|
PORT_RANGE = 5000
|
|
|
|
BITCOIND_PROC_WAIT_TIMEOUT = 60
|
|
|
|
|
|
class PortSeed:
|
|
# Must be initialized with a unique integer for each process
|
|
n = None
|
|
|
|
#Set Mocktime default to OFF.
|
|
#MOCKTIME is only needed for scripts that use the
|
|
#cached version of the blockchain. If the cached
|
|
#version of the blockchain is used without MOCKTIME
|
|
#then the mempools will not sync due to IBD.
|
|
MOCKTIME = 0
|
|
GENESISTIME = 1417713337
|
|
|
|
def set_mocktime(t):
|
|
global MOCKTIME
|
|
MOCKTIME = t
|
|
|
|
def disable_mocktime():
|
|
set_mocktime(0)
|
|
|
|
def get_mocktime():
|
|
return MOCKTIME
|
|
|
|
def set_cache_mocktime():
|
|
#For backwared compatibility of the python scripts
|
|
#with previous versions of the cache, set MOCKTIME
|
|
#to regtest genesis time + (201 * 156)
|
|
set_mocktime(GENESISTIME + (201 * 156))
|
|
|
|
def set_genesis_mocktime():
|
|
set_mocktime(GENESISTIME)
|
|
|
|
def enable_coverage(dirname):
|
|
"""Maintain a log of which RPC calls are made during testing."""
|
|
global COVERAGE_DIR
|
|
COVERAGE_DIR = dirname
|
|
|
|
|
|
def get_rpc_proxy(url, node_number, timeout=None):
|
|
"""
|
|
Args:
|
|
url (str): URL of the RPC server to call
|
|
node_number (int): the node number (or id) that this calls to
|
|
|
|
Kwargs:
|
|
timeout (int): HTTP timeout in seconds
|
|
|
|
Returns:
|
|
AuthServiceProxy. convenience object for making RPC calls.
|
|
|
|
"""
|
|
proxy_kwargs = {}
|
|
if timeout is not None:
|
|
proxy_kwargs['timeout'] = timeout
|
|
|
|
proxy = AuthServiceProxy(url, **proxy_kwargs)
|
|
proxy.url = url # store URL on proxy for info
|
|
|
|
coverage_logfile = coverage.get_filename(
|
|
COVERAGE_DIR, node_number) if COVERAGE_DIR else None
|
|
|
|
return coverage.AuthServiceProxyWrapper(proxy, coverage_logfile)
|
|
|
|
def get_mnsync_status(node):
|
|
result = node.mnsync("status")
|
|
return result['IsSynced']
|
|
|
|
def wait_to_sync(node, fast_mnsync=False):
|
|
while True:
|
|
synced = get_mnsync_status(node)
|
|
if synced:
|
|
break
|
|
time.sleep(0.2)
|
|
if fast_mnsync:
|
|
# skip mnsync states
|
|
node.mnsync("next")
|
|
|
|
def p2p_port(n):
|
|
assert(n <= MAX_NODES)
|
|
return PORT_MIN + n + (MAX_NODES * PortSeed.n) % (PORT_RANGE - 1 - MAX_NODES)
|
|
|
|
def rpc_port(n):
|
|
return PORT_MIN + PORT_RANGE + n + (MAX_NODES * PortSeed.n) % (PORT_RANGE - 1 - MAX_NODES)
|
|
|
|
def check_json_precision():
|
|
"""Make sure json library being used does not lose precision converting BTC values"""
|
|
n = Decimal("20000000.00000003")
|
|
satoshis = int(json.loads(json.dumps(float(n)))*1.0e8)
|
|
if satoshis != 2000000000000003:
|
|
raise RuntimeError("JSON encode/decode loses precision")
|
|
|
|
def count_bytes(hex_string):
|
|
return len(bytearray.fromhex(hex_string))
|
|
|
|
def bytes_to_hex_str(byte_str):
|
|
return hexlify(byte_str).decode('ascii')
|
|
|
|
def hex_str_to_bytes(hex_str):
|
|
return unhexlify(hex_str.encode('ascii'))
|
|
|
|
def str_to_b64str(string):
|
|
return b64encode(string.encode('utf-8')).decode('ascii')
|
|
|
|
def sync_blocks(rpc_connections, *, wait=1, timeout=60):
|
|
"""
|
|
Wait until everybody has the same tip.
|
|
|
|
sync_blocks needs to be called with an rpc_connections set that has least
|
|
one node already synced to the latest, stable tip, otherwise there's a
|
|
chance it might return before all nodes are stably synced.
|
|
"""
|
|
# Use getblockcount() instead of waitforblockheight() to determine the
|
|
# initial max height because the two RPCs look at different internal global
|
|
# variables (chainActive vs latestBlock) and the former gets updated
|
|
# earlier.
|
|
maxheight = max(x.getblockcount() for x in rpc_connections)
|
|
start_time = cur_time = time.time()
|
|
while cur_time <= start_time + timeout:
|
|
tips = [r.waitforblockheight(maxheight, int(wait * 1000)) for r in rpc_connections]
|
|
if all(t["height"] == maxheight for t in tips):
|
|
if all(t["hash"] == tips[0]["hash"] for t in tips):
|
|
return
|
|
raise AssertionError("Block sync failed, mismatched block hashes:{}".format(
|
|
"".join("\n {!r}".format(tip) for tip in tips)))
|
|
cur_time = time.time()
|
|
raise AssertionError("Block sync to height {} timed out:{}".format(
|
|
maxheight, "".join("\n {!r}".format(tip) for tip in tips)))
|
|
|
|
def sync_chain(rpc_connections, *, wait=1, timeout=60):
|
|
"""
|
|
Wait until everybody has the same best block
|
|
"""
|
|
while timeout > 0:
|
|
best_hash = [x.getbestblockhash() for x in rpc_connections]
|
|
if best_hash == [best_hash[0]]*len(best_hash):
|
|
return
|
|
time.sleep(wait)
|
|
timeout -= wait
|
|
raise AssertionError("Chain sync failed: Best block hashes don't match")
|
|
|
|
def sync_mempools(rpc_connections, *, wait=1, timeout=60):
|
|
"""
|
|
Wait until everybody has the same transactions in their memory
|
|
pools
|
|
"""
|
|
while timeout > 0:
|
|
pool = set(rpc_connections[0].getrawmempool())
|
|
num_match = 1
|
|
for i in range(1, len(rpc_connections)):
|
|
if set(rpc_connections[i].getrawmempool()) == pool:
|
|
num_match = num_match+1
|
|
if num_match == len(rpc_connections):
|
|
return
|
|
time.sleep(wait)
|
|
timeout -= wait
|
|
raise AssertionError("Mempool sync failed")
|
|
|
|
def sync_masternodes(rpc_connections, fast_mnsync=False):
|
|
for node in rpc_connections:
|
|
wait_to_sync(node, fast_mnsync)
|
|
|
|
bitcoind_processes = {}
|
|
|
|
def initialize_datadir(dirname, n):
|
|
datadir = os.path.join(dirname, "node"+str(n))
|
|
if not os.path.isdir(datadir):
|
|
os.makedirs(datadir)
|
|
rpc_u, rpc_p = rpc_auth_pair(n)
|
|
with open(os.path.join(datadir, "dash.conf"), 'w', encoding='utf8') as f:
|
|
f.write("regtest=1\n")
|
|
f.write("rpcuser=" + rpc_u + "\n")
|
|
f.write("rpcpassword=" + rpc_p + "\n")
|
|
f.write("port="+str(p2p_port(n))+"\n")
|
|
f.write("rpcport="+str(rpc_port(n))+"\n")
|
|
f.write("listenonion=0\n")
|
|
return datadir
|
|
|
|
def rpc_auth_pair(n):
|
|
return 'rpcuser💻' + str(n), 'rpcpass🔑' + str(n)
|
|
|
|
def rpc_url(i, rpchost=None):
|
|
rpc_u, rpc_p = rpc_auth_pair(i)
|
|
host = '127.0.0.1'
|
|
port = rpc_port(i)
|
|
if rpchost:
|
|
parts = rpchost.split(':')
|
|
if len(parts) == 2:
|
|
host, port = parts
|
|
else:
|
|
host = rpchost
|
|
return "http://%s:%s@%s:%d" % (rpc_u, rpc_p, host, int(port))
|
|
|
|
def wait_for_bitcoind_start(process, url, i):
|
|
'''
|
|
Wait for dashd to start. This means that RPC is accessible and fully initialized.
|
|
Raise an exception if dashd exits during initialization.
|
|
'''
|
|
while True:
|
|
if process.poll() is not None:
|
|
raise Exception('dashd exited with status %i during initialization' % process.returncode)
|
|
try:
|
|
rpc = get_rpc_proxy(url, i)
|
|
blocks = rpc.getblockcount()
|
|
break # break out of loop on success
|
|
except IOError as e:
|
|
if e.errno != errno.ECONNREFUSED: # Port not yet open?
|
|
raise # unknown IO error
|
|
except JSONRPCException as e: # Initialization phase
|
|
if e.error['code'] != -28: # RPC in warmup?
|
|
raise # unknown JSON RPC exception
|
|
time.sleep(0.25)
|
|
|
|
def initialize_chain(test_dir, num_nodes, cachedir, extra_args=None, redirect_stderr=False):
|
|
"""
|
|
Create a cache of a 200-block-long chain (with wallet) for MAX_NODES
|
|
Afterward, create num_nodes copies from the cache
|
|
"""
|
|
|
|
assert num_nodes <= MAX_NODES
|
|
create_cache = False
|
|
for i in range(MAX_NODES):
|
|
if not os.path.isdir(os.path.join(cachedir, 'node'+str(i))):
|
|
create_cache = True
|
|
break
|
|
|
|
if create_cache:
|
|
logger.debug("Creating data directories from cached datadir")
|
|
|
|
#find and delete old cache directories if any exist
|
|
for i in range(MAX_NODES):
|
|
if os.path.isdir(os.path.join(cachedir,"node"+str(i))):
|
|
shutil.rmtree(os.path.join(cachedir,"node"+str(i)))
|
|
|
|
set_genesis_mocktime()
|
|
# Create cache directories, run dashds:
|
|
for i in range(MAX_NODES):
|
|
datadir=initialize_datadir(cachedir, i)
|
|
args = [ os.getenv("BITCOIND", "dashd"), "-server", "-keypool=1", "-datadir="+datadir, "-discover=0", "-mocktime="+str(GENESISTIME) ]
|
|
if i > 0:
|
|
args.append("-connect=127.0.0.1:"+str(p2p_port(0)))
|
|
if extra_args is not None:
|
|
args += extra_args
|
|
stderr = None
|
|
if redirect_stderr:
|
|
stderr = sys.stdout
|
|
bitcoind_processes[i] = subprocess.Popen(args, stderr=stderr)
|
|
logger.debug("initialize_chain: dashd started, waiting for RPC to come up")
|
|
wait_for_bitcoind_start(bitcoind_processes[i], rpc_url(i), i)
|
|
logger.debug("initialize_chain: RPC successfully started")
|
|
|
|
rpcs = []
|
|
for i in range(MAX_NODES):
|
|
try:
|
|
rpcs.append(get_rpc_proxy(rpc_url(i), i))
|
|
except:
|
|
sys.stderr.write("Error connecting to "+url+"\n")
|
|
sys.exit(1)
|
|
|
|
# Create a 200-block-long chain; each of the 4 first nodes
|
|
# gets 25 mature blocks and 25 immature.
|
|
# Note: To preserve compatibility with older versions of
|
|
# initialize_chain, only 4 nodes will generate coins.
|
|
#
|
|
# blocks are created with timestamps 156 seconds apart
|
|
block_time = GENESISTIME
|
|
for i in range(2):
|
|
for peer in range(4):
|
|
for j in range(25):
|
|
set_node_times(rpcs, block_time)
|
|
rpcs[peer].generate(1)
|
|
block_time += 156
|
|
# Must sync before next peer starts generating blocks
|
|
sync_blocks(rpcs)
|
|
|
|
# Shut them down, and clean up cache directories:
|
|
stop_nodes(rpcs)
|
|
disable_mocktime()
|
|
for i in range(MAX_NODES):
|
|
os.remove(log_filename(cachedir, i, "debug.log"))
|
|
os.remove(log_filename(cachedir, i, "db.log"))
|
|
os.remove(log_filename(cachedir, i, "peers.dat"))
|
|
os.remove(log_filename(cachedir, i, "fee_estimates.dat"))
|
|
|
|
for i in range(num_nodes):
|
|
from_dir = os.path.join(cachedir, "node"+str(i))
|
|
to_dir = os.path.join(test_dir, "node"+str(i))
|
|
shutil.copytree(from_dir, to_dir)
|
|
initialize_datadir(test_dir, i) # Overwrite port/rpcport in dash.conf
|
|
|
|
def initialize_chain_clean(test_dir, num_nodes):
|
|
"""
|
|
Create an empty blockchain and num_nodes wallets.
|
|
Useful if a test case wants complete control over initialization.
|
|
"""
|
|
for i in range(num_nodes):
|
|
datadir=initialize_datadir(test_dir, i)
|
|
|
|
def start_node(i, dirname, extra_args=None, rpchost=None, timewait=None, binary=None, redirect_stderr=False, stderr=None):
|
|
"""
|
|
Start a dashd and return RPC connection to it
|
|
"""
|
|
datadir = os.path.join(dirname, "node"+str(i))
|
|
if binary is None:
|
|
binary = os.getenv("BITCOIND", "dashd")
|
|
# RPC tests still depend on free transactions
|
|
args = [ binary, "-datadir="+datadir, "-server", "-keypool=1", "-discover=0", "-rest", "-blockprioritysize=50000", "-logtimemicros", "-debug", "-mocktime="+str(get_mocktime()) ]
|
|
# Don't try auto backups (they fail a lot when running tests)
|
|
args += [ "-createwalletbackups=0" ]
|
|
if extra_args is not None: args.extend(extra_args)
|
|
|
|
# Allow to redirect stderr to stdout in case we expect some non-critical warnings/errors printed to stderr
|
|
# Otherwise the whole test would be considered to be failed in such cases
|
|
if redirect_stderr:
|
|
stderr = sys.stdout
|
|
|
|
bitcoind_processes[i] = subprocess.Popen(args, stderr=stderr)
|
|
logger.debug("initialize_chain: dashd started, waiting for RPC to come up")
|
|
url = rpc_url(i, rpchost)
|
|
wait_for_bitcoind_start(bitcoind_processes[i], url, i)
|
|
logger.debug("initialize_chain: RPC successfully started")
|
|
proxy = get_rpc_proxy(url, i, timeout=timewait)
|
|
|
|
if COVERAGE_DIR:
|
|
coverage.write_all_rpc_commands(COVERAGE_DIR, proxy)
|
|
|
|
return proxy
|
|
|
|
def assert_start_raises_init_error(i, dirname, extra_args=None, expected_msg=None):
|
|
with tempfile.SpooledTemporaryFile(max_size=2**16) as log_stderr:
|
|
try:
|
|
node = start_node(i, dirname, extra_args, stderr=log_stderr)
|
|
stop_node(node, i)
|
|
except Exception as e:
|
|
assert 'dashd exited' in str(e) #node must have shutdown
|
|
if expected_msg is not None:
|
|
log_stderr.seek(0)
|
|
stderr = log_stderr.read().decode('utf-8')
|
|
if expected_msg not in stderr:
|
|
raise AssertionError("Expected error \"" + expected_msg + "\" not found in:\n" + stderr)
|
|
else:
|
|
if expected_msg is None:
|
|
assert_msg = "dashd should have exited with an error"
|
|
else:
|
|
assert_msg = "dashd should have exited with expected error " + expected_msg
|
|
raise AssertionError(assert_msg)
|
|
|
|
def start_nodes(num_nodes, dirname, extra_args=None, rpchost=None, timewait=None, binary=None, redirect_stderr=False):
|
|
"""
|
|
Start multiple dashds, return RPC connections to them
|
|
"""
|
|
if extra_args is None: extra_args = [ None for _ in range(num_nodes) ]
|
|
if binary is None: binary = [ None for _ in range(num_nodes) ]
|
|
rpcs = []
|
|
try:
|
|
for i in range(num_nodes):
|
|
rpcs.append(start_node(i, dirname, extra_args[i], rpchost, timewait=timewait, binary=binary[i], redirect_stderr=redirect_stderr))
|
|
except: # If one node failed to start, stop the others
|
|
stop_nodes(rpcs)
|
|
raise
|
|
return rpcs
|
|
|
|
|
|
def copy_datadir(from_node, to_node, dirname):
|
|
from_datadir = os.path.join(dirname, "node"+str(from_node), "regtest")
|
|
to_datadir = os.path.join(dirname, "node"+str(to_node), "regtest")
|
|
|
|
dirs = ["blocks", "chainstate", "evodb", "llmq"]
|
|
for d in dirs:
|
|
try:
|
|
src = os.path.join(from_datadir, d)
|
|
dst = os.path.join(to_datadir, d)
|
|
shutil.copytree(src, dst)
|
|
except:
|
|
pass
|
|
|
|
|
|
def log_filename(dirname, n_node, logname):
|
|
return os.path.join(dirname, "node"+str(n_node), "regtest", logname)
|
|
|
|
def wait_node(i):
|
|
return_code = bitcoind_processes[i].wait(timeout=BITCOIND_PROC_WAIT_TIMEOUT)
|
|
assert_equal(return_code, 0)
|
|
del bitcoind_processes[i]
|
|
|
|
def stop_node(node, i, wait=True):
|
|
logger.debug("Stopping node %d" % i)
|
|
try:
|
|
node.stop()
|
|
except http.client.CannotSendRequest as e:
|
|
logger.exception("Unable to stop node")
|
|
if wait:
|
|
wait_node(i)
|
|
|
|
def stop_nodes(nodes, fast=True):
|
|
for i, node in enumerate(nodes):
|
|
stop_node(node, i, not fast)
|
|
if fast:
|
|
for i, node in enumerate(nodes):
|
|
wait_node(i)
|
|
assert not bitcoind_processes.values() # All connections must be gone now
|
|
|
|
def set_node_times(nodes, t):
|
|
for node in nodes:
|
|
node.setmocktime(t)
|
|
|
|
def connect_nodes(from_connection, node_num):
|
|
ip_port = "127.0.0.1:"+str(p2p_port(node_num))
|
|
from_connection.addnode(ip_port, "onetry")
|
|
# poll until version handshake complete to avoid race conditions
|
|
# with transaction relaying
|
|
while any(peer['version'] == 0 for peer in from_connection.getpeerinfo()):
|
|
time.sleep(0.1)
|
|
|
|
def connect_nodes_bi(nodes, a, b):
|
|
connect_nodes(nodes[a], b)
|
|
connect_nodes(nodes[b], a)
|
|
|
|
def find_output(node, txid, amount):
|
|
"""
|
|
Return index to output of txid with value amount
|
|
Raises exception if there is none.
|
|
"""
|
|
txdata = node.getrawtransaction(txid, 1)
|
|
for i in range(len(txdata["vout"])):
|
|
if txdata["vout"][i]["value"] == amount:
|
|
return i
|
|
raise RuntimeError("find_output txid %s : %s not found"%(txid,str(amount)))
|
|
|
|
|
|
def gather_inputs(from_node, amount_needed, confirmations_required=1):
|
|
"""
|
|
Return a random set of unspent txouts that are enough to pay amount_needed
|
|
"""
|
|
assert(confirmations_required >=0)
|
|
utxo = from_node.listunspent(confirmations_required)
|
|
random.shuffle(utxo)
|
|
inputs = []
|
|
total_in = Decimal("0.00000000")
|
|
while total_in < amount_needed and len(utxo) > 0:
|
|
t = utxo.pop()
|
|
total_in += t["amount"]
|
|
inputs.append({ "txid" : t["txid"], "vout" : t["vout"], "address" : t["address"] } )
|
|
if total_in < amount_needed:
|
|
raise RuntimeError("Insufficient funds: need %d, have %d"%(amount_needed, total_in))
|
|
return (total_in, inputs)
|
|
|
|
def make_change(from_node, amount_in, amount_out, fee):
|
|
"""
|
|
Create change output(s), return them
|
|
"""
|
|
outputs = {}
|
|
amount = amount_out+fee
|
|
change = amount_in - amount
|
|
if change > amount*2:
|
|
# Create an extra change output to break up big inputs
|
|
change_address = from_node.getnewaddress()
|
|
# Split change in two, being careful of rounding:
|
|
outputs[change_address] = Decimal(change/2).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN)
|
|
change = amount_in - amount - outputs[change_address]
|
|
if change > 0:
|
|
outputs[from_node.getnewaddress()] = change
|
|
return outputs
|
|
|
|
def send_zeropri_transaction(from_node, to_node, amount, fee):
|
|
"""
|
|
Create&broadcast a zero-priority transaction.
|
|
Returns (txid, hex-encoded-txdata)
|
|
Ensures transaction is zero-priority by first creating a send-to-self,
|
|
then using its output
|
|
"""
|
|
|
|
# Create a send-to-self with confirmed inputs:
|
|
self_address = from_node.getnewaddress()
|
|
(total_in, inputs) = gather_inputs(from_node, amount+fee*2)
|
|
outputs = make_change(from_node, total_in, amount+fee, fee)
|
|
outputs[self_address] = float(amount+fee)
|
|
|
|
self_rawtx = from_node.createrawtransaction(inputs, outputs)
|
|
self_signresult = from_node.signrawtransaction(self_rawtx)
|
|
self_txid = from_node.sendrawtransaction(self_signresult["hex"], True)
|
|
|
|
vout = find_output(from_node, self_txid, amount+fee)
|
|
# Now immediately spend the output to create a 1-input, 1-output
|
|
# zero-priority transaction:
|
|
inputs = [ { "txid" : self_txid, "vout" : vout } ]
|
|
outputs = { to_node.getnewaddress() : float(amount) }
|
|
|
|
rawtx = from_node.createrawtransaction(inputs, outputs)
|
|
signresult = from_node.signrawtransaction(rawtx)
|
|
txid = from_node.sendrawtransaction(signresult["hex"], True)
|
|
|
|
return (txid, signresult["hex"])
|
|
|
|
def random_zeropri_transaction(nodes, amount, min_fee, fee_increment, fee_variants):
|
|
"""
|
|
Create a random zero-priority transaction.
|
|
Returns (txid, hex-encoded-transaction-data, fee)
|
|
"""
|
|
from_node = random.choice(nodes)
|
|
to_node = random.choice(nodes)
|
|
fee = min_fee + fee_increment*random.randint(0,fee_variants)
|
|
(txid, txhex) = send_zeropri_transaction(from_node, to_node, amount, fee)
|
|
return (txid, txhex, fee)
|
|
|
|
def random_transaction(nodes, amount, min_fee, fee_increment, fee_variants):
|
|
"""
|
|
Create a random transaction.
|
|
Returns (txid, hex-encoded-transaction-data, fee)
|
|
"""
|
|
from_node = random.choice(nodes)
|
|
to_node = random.choice(nodes)
|
|
fee = min_fee + fee_increment*random.randint(0,fee_variants)
|
|
|
|
(total_in, inputs) = gather_inputs(from_node, amount+fee)
|
|
outputs = make_change(from_node, total_in, amount, fee)
|
|
outputs[to_node.getnewaddress()] = float(amount)
|
|
|
|
rawtx = from_node.createrawtransaction(inputs, outputs)
|
|
signresult = from_node.signrawtransaction(rawtx)
|
|
txid = from_node.sendrawtransaction(signresult["hex"], True)
|
|
|
|
return (txid, signresult["hex"], fee)
|
|
|
|
def assert_fee_amount(fee, tx_size, fee_per_kB):
|
|
"""Assert the fee was in range"""
|
|
target_fee = tx_size * fee_per_kB / 1000
|
|
if fee < target_fee:
|
|
raise AssertionError("Fee of %s DASH too low! (Should be %s DASH)"%(str(fee), str(target_fee)))
|
|
# allow the wallet's estimation to be at most 2 bytes off
|
|
if fee > (tx_size + 2) * fee_per_kB / 1000:
|
|
raise AssertionError("Fee of %s DASH too high! (Should be %s DASH)"%(str(fee), str(target_fee)))
|
|
|
|
def assert_equal(thing1, thing2, *args):
|
|
if thing1 != thing2 or any(thing1 != arg for arg in args):
|
|
raise AssertionError("not(%s)" % " == ".join(str(arg) for arg in (thing1, thing2) + args))
|
|
|
|
def assert_greater_than(thing1, thing2):
|
|
if thing1 <= thing2:
|
|
raise AssertionError("%s <= %s"%(str(thing1),str(thing2)))
|
|
|
|
def assert_greater_than_or_equal(thing1, thing2):
|
|
if thing1 < thing2:
|
|
raise AssertionError("%s < %s"%(str(thing1),str(thing2)))
|
|
|
|
def assert_raises(exc, fun, *args, **kwds):
|
|
assert_raises_message(exc, None, fun, *args, **kwds)
|
|
|
|
def assert_raises_message(exc, message, fun, *args, **kwds):
|
|
try:
|
|
fun(*args, **kwds)
|
|
except exc as e:
|
|
if message is not None and message not in e.error['message']:
|
|
raise AssertionError("Expected substring not found:"+e.error['message'])
|
|
except Exception as e:
|
|
raise AssertionError("Unexpected exception raised: "+type(e).__name__)
|
|
else:
|
|
raise AssertionError("No exception raised")
|
|
|
|
def assert_raises_jsonrpc(code, message, fun, *args, **kwds):
|
|
"""Run an RPC and verify that a specific JSONRPC exception code and message is raised.
|
|
|
|
Calls function `fun` with arguments `args` and `kwds`. Catches a JSONRPCException
|
|
and verifies that the error code and message are as expected. Throws AssertionError if
|
|
no JSONRPCException was returned or if the error code/message are not as expected.
|
|
|
|
Args:
|
|
code (int), optional: the error code returned by the RPC call (defined
|
|
in src/rpc/protocol.h). Set to None if checking the error code is not required.
|
|
message (string), optional: [a substring of] the error string returned by the
|
|
RPC call. Set to None if checking the error string is not required
|
|
fun (function): the function to call. This should be the name of an RPC.
|
|
args*: positional arguments for the function.
|
|
kwds**: named arguments for the function.
|
|
"""
|
|
try:
|
|
fun(*args, **kwds)
|
|
except JSONRPCException as e:
|
|
# JSONRPCException was thrown as expected. Check the code and message values are correct.
|
|
if (code is not None) and (code != e.error["code"]):
|
|
raise AssertionError("Unexpected JSONRPC error code %i" % e.error["code"])
|
|
if (message is not None) and (message not in e.error['message']):
|
|
raise AssertionError("Expected substring not found:"+e.error['message'])
|
|
except Exception as e:
|
|
raise AssertionError("Unexpected exception raised: "+type(e).__name__)
|
|
else:
|
|
raise AssertionError("No exception raised")
|
|
|
|
def assert_is_hex_string(string):
|
|
try:
|
|
int(string, 16)
|
|
except Exception as e:
|
|
raise AssertionError(
|
|
"Couldn't interpret %r as hexadecimal; raised: %s" % (string, e))
|
|
|
|
def assert_is_hash_string(string, length=64):
|
|
if not isinstance(string, str):
|
|
raise AssertionError("Expected a string, got type %r" % type(string))
|
|
elif length and len(string) != length:
|
|
raise AssertionError(
|
|
"String of length %d expected; got %d" % (length, len(string)))
|
|
elif not re.match('[abcdef0-9]+$', string):
|
|
raise AssertionError(
|
|
"String %r contains invalid characters for a hash." % string)
|
|
|
|
def assert_array_result(object_array, to_match, expected, should_not_find = False):
|
|
"""
|
|
Pass in array of JSON objects, a dictionary with key/value pairs
|
|
to match against, and another dictionary with expected key/value
|
|
pairs.
|
|
If the should_not_find flag is true, to_match should not be found
|
|
in object_array
|
|
"""
|
|
if should_not_find == True:
|
|
assert_equal(expected, { })
|
|
num_matched = 0
|
|
for item in object_array:
|
|
all_match = True
|
|
for key,value in to_match.items():
|
|
if item[key] != value:
|
|
all_match = False
|
|
if not all_match:
|
|
continue
|
|
elif should_not_find == True:
|
|
num_matched = num_matched+1
|
|
for key,value in expected.items():
|
|
if item[key] != value:
|
|
raise AssertionError("%s : expected %s=%s"%(str(item), str(key), str(value)))
|
|
num_matched = num_matched+1
|
|
if num_matched == 0 and should_not_find != True:
|
|
raise AssertionError("No objects matched %s"%(str(to_match)))
|
|
if num_matched > 0 and should_not_find == True:
|
|
raise AssertionError("Objects were found %s"%(str(to_match)))
|
|
|
|
def satoshi_round(amount):
|
|
return Decimal(amount).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN)
|
|
|
|
# Helper to create at least "count" utxos
|
|
# Pass in a fee that is sufficient for relay and mining new transactions.
|
|
def create_confirmed_utxos(fee, node, count):
|
|
node.generate(int(0.5*count)+101)
|
|
utxos = node.listunspent()
|
|
iterations = count - len(utxos)
|
|
addr1 = node.getnewaddress()
|
|
addr2 = node.getnewaddress()
|
|
if iterations <= 0:
|
|
return utxos
|
|
for i in range(iterations):
|
|
t = utxos.pop()
|
|
inputs = []
|
|
inputs.append({ "txid" : t["txid"], "vout" : t["vout"]})
|
|
outputs = {}
|
|
send_value = t['amount'] - fee
|
|
outputs[addr1] = satoshi_round(send_value/2)
|
|
outputs[addr2] = satoshi_round(send_value/2)
|
|
raw_tx = node.createrawtransaction(inputs, outputs)
|
|
signed_tx = node.signrawtransaction(raw_tx)["hex"]
|
|
txid = node.sendrawtransaction(signed_tx)
|
|
|
|
while (node.getmempoolinfo()['size'] > 0):
|
|
node.generate(1)
|
|
|
|
utxos = node.listunspent()
|
|
assert(len(utxos) >= count)
|
|
return utxos
|
|
|
|
# Create large OP_RETURN txouts that can be appended to a transaction
|
|
# to make it large (helper for constructing large transactions).
|
|
def gen_return_txouts():
|
|
# Some pre-processing to create a bunch of OP_RETURN txouts to insert into transactions we create
|
|
# So we have big transactions (and therefore can't fit very many into each block)
|
|
# create one script_pubkey
|
|
script_pubkey = "6a4d0200" #OP_RETURN OP_PUSH2 512 bytes
|
|
for i in range (512):
|
|
script_pubkey = script_pubkey + "01"
|
|
# concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change
|
|
txouts = "81"
|
|
for k in range(128):
|
|
# add txout value
|
|
txouts = txouts + "0000000000000000"
|
|
# add length of script_pubkey
|
|
txouts = txouts + "fd0402"
|
|
# add script_pubkey
|
|
txouts = txouts + script_pubkey
|
|
return txouts
|
|
|
|
def create_tx(node, coinbase, to_address, amount):
|
|
inputs = [{ "txid" : coinbase, "vout" : 0}]
|
|
outputs = { to_address : amount }
|
|
rawtx = node.createrawtransaction(inputs, outputs)
|
|
signresult = node.signrawtransaction(rawtx)
|
|
assert_equal(signresult["complete"], True)
|
|
return signresult["hex"]
|
|
|
|
# Create a spend of each passed-in utxo, splicing in "txouts" to each raw
|
|
# transaction to make it large. See gen_return_txouts() above.
|
|
def create_lots_of_big_transactions(node, txouts, utxos, num, fee):
|
|
addr = node.getnewaddress()
|
|
txids = []
|
|
for _ in range(num):
|
|
t = utxos.pop()
|
|
inputs=[{ "txid" : t["txid"], "vout" : t["vout"]}]
|
|
outputs = {}
|
|
change = t['amount'] - fee
|
|
outputs[addr] = satoshi_round(change)
|
|
rawtx = node.createrawtransaction(inputs, outputs)
|
|
newtx = rawtx[0:92]
|
|
newtx = newtx + txouts
|
|
newtx = newtx + rawtx[94:]
|
|
signresult = node.signrawtransaction(newtx, None, None, "NONE")
|
|
txid = node.sendrawtransaction(signresult["hex"], True)
|
|
txids.append(txid)
|
|
return txids
|
|
|
|
def mine_large_block(node, utxos=None):
|
|
# generate a 66k transaction,
|
|
# and 14 of them is close to the 1MB block limit
|
|
num = 14
|
|
txouts = gen_return_txouts()
|
|
utxos = utxos if utxos is not None else []
|
|
if len(utxos) < num:
|
|
utxos.clear()
|
|
utxos.extend(node.listunspent())
|
|
fee = 100 * node.getnetworkinfo()["relayfee"]
|
|
create_lots_of_big_transactions(node, txouts, utxos, num, fee=fee)
|
|
node.generate(1)
|
|
|
|
def get_bip9_status(node, key):
|
|
info = node.getblockchaininfo()
|
|
return info['bip9_softforks'][key]
|