diff options
Diffstat (limited to 'test/functional/test_framework/util.py')
| -rw-r--r-- | test/functional/test_framework/util.py | 168 |
1 files changed, 85 insertions, 83 deletions
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py index 9f40de08c6..d02a130a1f 100644 --- a/test/functional/test_framework/util.py +++ b/test/functional/test_framework/util.py @@ -4,20 +4,19 @@ # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Helpful routines for regression testing.""" -import os - -from binascii import hexlify, unhexlify from base64 import b64encode +from binascii import hexlify, unhexlify from decimal import Decimal, ROUND_DOWN -import json +import errno import http.client +import json +import logging +import os import random +import re import subprocess import tempfile import time -import re -import errno -import logging from . import coverage from .authproxy import AuthServiceProxy, JSONRPCException @@ -40,17 +39,17 @@ 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. +# 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 def enable_mocktime(): - #For backwared compatibility of the python scripts - #with previous versions of the cache, set MOCKTIME - #to Jan 1, 2014 + (201 * 10 * 60) + # For backwared compatibility of the python scripts + # with previous versions of the cache, set MOCKTIME + # to Jan 1, 2014 + (201 * 10 * 60) global MOCKTIME MOCKTIME = 1388534400 + (201 * 10 * 60) @@ -103,7 +102,7 @@ def rpc_port(n): 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) + satoshis = int(json.loads(json.dumps(float(n))) * 1.0e8) if satoshis != 2000000000000003: raise RuntimeError("JSON encode/decode loses precision") @@ -150,7 +149,7 @@ def sync_chain(rpc_connections, *, wait=1, timeout=60): """ while timeout > 0: best_hash = [x.getbestblockhash() for x in rpc_connections] - if best_hash == [best_hash[0]]*len(best_hash): + if best_hash == [best_hash[0]] * len(best_hash): return time.sleep(wait) timeout -= wait @@ -166,7 +165,7 @@ def sync_mempools(rpc_connections, *, wait=1, timeout=60): num_match = 1 for i in range(1, len(rpc_connections)): if set(rpc_connections[i].getrawmempool()) == pool: - num_match = num_match+1 + num_match = num_match + 1 if num_match == len(rpc_connections): return time.sleep(wait) @@ -176,18 +175,18 @@ def sync_mempools(rpc_connections, *, wait=1, timeout=60): bitcoind_processes = {} def initialize_datadir(dirname, n): - datadir = os.path.join(dirname, "node"+str(n)) + datadir = os.path.join(dirname, "node" + str(n)) if not os.path.isdir(datadir): os.makedirs(datadir) with open(os.path.join(datadir, "bitcoin.conf"), 'w', encoding='utf8') as f: f.write("regtest=1\n") - f.write("port="+str(p2p_port(n))+"\n") - f.write("rpcport="+str(rpc_port(n))+"\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 get_datadir_path(dirname, n): - return os.path.join(dirname, "node"+str(n)) + return os.path.join(dirname, "node" + str(n)) def get_auth_cookie(datadir, n): user = None @@ -196,10 +195,10 @@ def get_auth_cookie(datadir, n): with open(os.path.join(datadir, "bitcoin.conf"), 'r') as f: for line in f: if line.startswith("rpcuser="): - assert user is None # Ensure that there is only one rpcuser line + assert user is None # Ensure that there is only one rpcuser line user = line.split("=")[1].strip("\n") if line.startswith("rpcpassword="): - assert password is None # Ensure that there is only one rpcpassword line + assert password is None # Ensure that there is only one rpcpassword line password = line.split("=")[1].strip("\n") if os.path.isfile(os.path.join(datadir, "regtest", ".cookie")): with open(os.path.join(datadir, "regtest", ".cookie"), 'r') as f: @@ -234,15 +233,15 @@ def wait_for_bitcoind_start(process, datadir, i, rpchost=None): try: # Check if .cookie file to be created rpc = get_rpc_proxy(rpc_url(datadir, i, rpchost), i) - blocks = rpc.getblockcount() - break # break out of loop on success + 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 - except ValueError as e: # cookie file not found and no rpcuser or rpcassword. bitcoind still starting + 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 + except ValueError as e: # cookie file not found and no rpcuser or rpcassword. bitcoind still starting if "No RPC credentials" not in str(e): raise time.sleep(0.25) @@ -255,11 +254,12 @@ def _start_node(i, dirname, extra_args=None, rpchost=None, timewait=None, binary This function should only be called from within test_framework, not by individual test scripts.""" - datadir = os.path.join(dirname, "node"+str(i)) + datadir = os.path.join(dirname, "node" + str(i)) if binary is None: binary = os.getenv("BITCOIND", "bitcoind") args = [binary, "-datadir=" + datadir, "-server", "-keypool=1", "-discover=0", "-rest", "-logtimemicros", "-debug", "-debugexclude=libevent", "-debugexclude=leveldb", "-mocktime=" + str(get_mocktime()), "-uacomment=testnode%d" % i] - if extra_args is not None: args.extend(extra_args) + if extra_args is not None: + args.extend(extra_args) bitcoind_processes[i] = subprocess.Popen(args, stderr=stderr) logger.debug("initialize_chain: bitcoind started, waiting for RPC to come up") wait_for_bitcoind_start(bitcoind_processes[i], datadir, i, rpchost) @@ -277,7 +277,7 @@ def assert_start_raises_init_error(i, dirname, extra_args=None, expected_msg=Non node = _start_node(i, dirname, extra_args, stderr=log_stderr) _stop_node(node, i) except Exception as e: - assert 'bitcoind exited' in str(e) #node must have shutdown + assert 'bitcoind 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') @@ -292,24 +292,27 @@ def assert_start_raises_init_error(i, dirname, extra_args=None, expected_msg=Non def _start_nodes(num_nodes, dirname, extra_args=None, rpchost=None, timewait=None, binary=None): """Start multiple bitcoinds, return RPC connections to them - + This function should only be called from within test_framework, not by individual test scripts.""" - if extra_args is None: extra_args = [ None for _ in range(num_nodes) ] - if binary is None: binary = [ None for _ in range(num_nodes) ] + if extra_args is None: + extra_args = [None] * num_nodes + if binary is None: + binary = [None] * num_nodes assert_equal(len(extra_args), num_nodes) assert_equal(len(binary), 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])) - except: # If one node failed to start, stop the others + except: + # If one node failed to start, stop the others _stop_nodes(rpcs) raise return rpcs def log_filename(dirname, n_node, logname): - return os.path.join(dirname, "node"+str(n_node), "regtest", logname) + return os.path.join(dirname, "node" + str(n_node), "regtest", logname) def _stop_node(node, i): """Stop a bitcoind test node @@ -332,7 +335,7 @@ def _stop_nodes(nodes): for i, node in enumerate(nodes): _stop_node(node, i) - assert not bitcoind_processes.values() # All connections must be gone now + assert not bitcoind_processes.values() # All connections must be gone now def set_node_times(nodes, t): for node in nodes: @@ -350,7 +353,7 @@ def disconnect_nodes(from_connection, node_num): raise AssertionError("timed out waiting for disconnect") def connect_nodes(from_connection, node_num): - ip_port = "127.0.0.1:"+str(p2p_port(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 @@ -370,14 +373,13 @@ def find_output(node, txid, amount): 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))) - + 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) + assert(confirmations_required >= 0) utxo = from_node.listunspent(confirmations_required) random.shuffle(utxo) inputs = [] @@ -385,9 +387,9 @@ def gather_inputs(from_node, amount_needed, confirmations_required=1): 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"] } ) + 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)) + 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): @@ -395,13 +397,13 @@ def make_change(from_node, amount_in, amount_out, fee): Create change output(s), return them """ outputs = {} - amount = amount_out+fee + amount = amount_out + fee change = amount_in - amount - if change > amount*2: + 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) + 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 @@ -414,9 +416,9 @@ def random_transaction(nodes, amount, min_fee, fee_increment, fee_variants): """ from_node = random.choice(nodes) to_node = random.choice(nodes) - fee = min_fee + fee_increment*random.randint(0,fee_variants) + fee = min_fee + fee_increment * random.randint(0, fee_variants) - (total_in, inputs) = gather_inputs(from_node, amount+fee) + (total_in, inputs) = gather_inputs(from_node, amount + fee) outputs = make_change(from_node, total_in, amount, fee) outputs[to_node.getnewaddress()] = float(amount) @@ -430,10 +432,10 @@ 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 BTC too low! (Should be %s BTC)"%(str(fee), str(target_fee))) + raise AssertionError("Fee of %s BTC too low! (Should be %s BTC)" % (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 BTC too high! (Should be %s BTC)"%(str(fee), str(target_fee))) + raise AssertionError("Fee of %s BTC too high! (Should be %s BTC)" % (str(fee), str(target_fee))) def assert_equal(thing1, thing2, *args): if thing1 != thing2 or any(thing1 != arg for arg in args): @@ -441,11 +443,11 @@ def assert_equal(thing1, thing2, *args): def assert_greater_than(thing1, thing2): if thing1 <= thing2: - raise AssertionError("%s <= %s"%(str(thing1),str(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))) + raise AssertionError("%s < %s" % (str(thing1), str(thing2))) def assert_raises(exc, fun, *args, **kwds): assert_raises_message(exc, None, fun, *args, **kwds) @@ -455,9 +457,9 @@ def assert_raises_message(exc, message, fun, *args, **kwds): 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']) + raise AssertionError("Expected substring not found:" + e.error['message']) except Exception as e: - raise AssertionError("Unexpected exception raised: "+type(e).__name__) + raise AssertionError("Unexpected exception raised: " + type(e).__name__) else: raise AssertionError("No exception raised") @@ -484,9 +486,9 @@ def assert_raises_jsonrpc(code, message, fun, *args, **kwds): 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']) + raise AssertionError("Expected substring not found:" + e.error['message']) except Exception as e: - raise AssertionError("Unexpected exception raised: "+type(e).__name__) + raise AssertionError("Unexpected exception raised: " + type(e).__name__) else: raise AssertionError("No exception raised") @@ -507,7 +509,7 @@ def assert_is_hash_string(string, length=64): raise AssertionError( "String %r contains invalid characters for a hash." % string) -def assert_array_result(object_array, to_match, expected, should_not_find = False): +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 @@ -515,26 +517,26 @@ def assert_array_result(object_array, to_match, expected, should_not_find = Fals 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, { }) + if should_not_find: + assert_equal(expected, {}) num_matched = 0 for item in object_array: all_match = True - for key,value in to_match.items(): + 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(): + elif should_not_find: + 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))) + raise AssertionError("%s : expected %s=%s" % (str(item), str(key), str(value))) + num_matched = num_matched + 1 + if num_matched == 0 and not should_not_find: + raise AssertionError("No objects matched %s" % (str(to_match))) + if num_matched > 0 and should_not_find: + raise AssertionError("Objects were found %s" % (str(to_match))) def satoshi_round(amount): return Decimal(amount).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN) @@ -542,7 +544,7 @@ def satoshi_round(amount): # 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) + node.generate(int(0.5 * count) + 101) utxos = node.listunspent() iterations = count - len(utxos) addr1 = node.getnewaddress() @@ -552,14 +554,14 @@ def create_confirmed_utxos(fee, node, count): for i in range(iterations): t = utxos.pop() inputs = [] - inputs.append({ "txid" : t["txid"], "vout" : t["vout"]}) + 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) + 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) + node.sendrawtransaction(signed_tx) while (node.getmempoolinfo()['size'] > 0): node.generate(1) @@ -574,8 +576,8 @@ 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 = "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" @@ -589,8 +591,8 @@ def gen_return_txouts(): return txouts def create_tx(node, coinbase, to_address, amount): - inputs = [{ "txid" : coinbase, "vout" : 0}] - outputs = { 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) @@ -603,7 +605,7 @@ def create_lots_of_big_transactions(node, txouts, utxos, num, fee): txids = [] for _ in range(num): t = utxos.pop() - inputs=[{ "txid" : t["txid"], "vout" : t["vout"]}] + inputs = [{"txid": t["txid"], "vout": t["vout"]}] outputs = {} change = t['amount'] - fee outputs[addr] = satoshi_round(change) |