def run_test(self):
# Temporary workaround for the may15th hardfork. These tests will not work if the fork is enabled
# because we are forcing an EB of 32MB after each block is mined which invalidates many of these tests.
# So we set the mocktime to sometime far in advance of the fork.
MAY152018_START_TIME = 1526400000
self.nodes[0].setmocktime(MAY152018_START_TIME - 10000)
self.nodes[1].setmocktime(MAY152018_START_TIME - 10000)
self.nodes[2].setmocktime(MAY152018_START_TIME - 10000)
self.nodes[3].setmocktime(MAY152018_START_TIME - 10000)
BitcoinTestFramework.run_test(self)
self.testCli()
self.testExcessiveSigops()
# clear out the mempool
mostly_sync_mempools(self.nodes)
for n in self.nodes:
n.generate(2)
sync_blocks(self.nodes)
for n in self.nodes:
while len(n.getrawmempool()):
n.generate(1)
sync_blocks(self.nodes)
logging.info(
"cleared mempool: %s" %
str([len(x) for x in [y.getrawmempool() for y in self.nodes]]))
self.testExcessiveBlockSize()
self.testExcessiveTx()
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)
assert_equal (tips[0]['status'], 'active')
# Split the network and build two chains of different lengths.
self.split_network ()
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)
assert_equal (tips[0]['status'], 'active')
# Split the network and build two chains of different lengths.
self.split_network ()
self.nodes[0].generate(10)
self.sync_all ()
self.nodes[2].generate(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)
assert_equal (tips[0]['status'], 'active')
tips = self.nodes[3].getchaintips ()
assert_equal (len (tips), 1)
longTip = tips[0]
assert_equal (longTip['branchlen'], 0)
assert_equal (longTip['height'], 220)
assert_equal (tips[0]['status'], 'active')
stop_nodes(self.nodes)
wait_bitcoinds()
self.is_network_split = False
self.nodes = self.setup_nodes()
connect_nodes_bi(self.nodes, 0, 1)
connect_nodes_bi(self.nodes, 0, 2)
connect_nodes_bi(self.nodes, 0, 3)
connect_nodes_bi(self.nodes, 1, 2)
connect_nodes_bi(self.nodes, 1, 3)
connect_nodes_bi(self.nodes, 2, 3)
self.sync_blocks()
self.sync_all()
tips = self.nodes[0].getchaintips ()
assert_equal (len (tips), 2)
assert_equal (tips[0], longTip)
assert_equal (tips[1]['branchlen'], 10)
assert_equal (tips[1]['status'], 'valid-fork')
tips[1]['branchlen'] = 0
tips[1]['status'] = 'active'
assert_equal (tips[1], shortTip)
def run_test(self):
BitcoinTestFramework.run_test(self)
self.testCli()
# clear out the mempool
for n in self.nodes:
while len(n.getrawmempool()):
n.generate(1)
sync_blocks(self.nodes)
logging.info(
"cleared mempool: %s" %
str([len(x) for x in [y.getrawmempool() for y in self.nodes]]))
self.testExcessiveBlockSize()
self.testExcessiveTx()
def run_test(self):
# self.nodes[0].generate(200)
# self.sync_all ()
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)
assert_equal(tips[0]['status'], 'active')
# Split the network and build two chains of different lengths.
self.split_network()
self.nodes[0].generate(10)
self.nodes[2].generate(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)
assert_equal(tips[0]['status'], 'active')
tips = self.nodes[3].getchaintips()
assert_equal(len(tips), 1)
longTip = tips[0]
assert_equal(longTip['branchlen'], 0)
assert_equal(longTip['height'], 220)
assert_equal(tips[0]['status'], 'active')
# 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)
assert_equal(tips[1]['status'], 'valid-fork')
tips[1]['branchlen'] = 0
tips[1]['status'] = 'active'
assert_equal(tips[1], shortTip)
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'], 120)
assert_equal (tips[0]['status'], 'active')
# Split the network and build two chains of different lengths.
self.split_network ()
self.nodes[0].generate(10);
self.nodes[2].generate(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'], 130)
assert_equal (tips[0]['status'], 'active')
tips = self.nodes[3].getchaintips ()
assert_equal (len (tips), 1)
longTip = tips[0]
assert_equal (longTip['branchlen'], 0)
assert_equal (longTip['height'], 140)
assert_equal (tips[0]['status'], 'active')
# 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)
assert_equal (tips[1]['status'], 'valid-fork')
tips[1]['branchlen'] = 0
tips[1]['status'] = 'active'
assert_equal (tips[1], shortTip)
def run_test(self):
BitcoinTestFramework.run_test(self)
test_default_values(self)
test_setting_values(self, nodeId=0)
test_setting_values(self, nodeId=1)
test_setting_values(self, nodeId=2)
test_setting_values(self, nodeId=3)
test_sync_clear_mempool(self)
# Fixed-6: Insufficient funds
self.nodes[0].generate(101)
sync_blocks(self.nodes)
test_accept_depth(self, nodeOneId=0, nodeTwoId=1)
test_excessive_Sigops(self)
reporter.display_report()
def run_test (self):
BitcoinTestFramework.run_test (self)
# Generate a block so that we are not "downloading blocks".
self.nodes[0].generate (1)
# Register a player.
self.nodes[0].name_register ("foo", '{"color": 0}')
self.nodes[0].generate (1)
self.sync_all ('blocks')
# Perform some transactions.
addr = self.nodes[3].getnewaddress ()
self.nodes[2].sendtoaddress (addr, Decimal ('1'))
self.nodes[0].name_update ("foo", '{"0": {"destruct": true}}')
self.nodes[1].name_register ("bar", '{"color": 1}')
# Mine a block and get its stats.
self.sync_all ('mempool')
blkhash = self.nodes[3].generate (1)
self.sync_all ('blocks')
assert_equal (1, len (blkhash))
blkhash = blkhash[0]
cnt = self.nodes[0].getblockcount ()
stats = self.nodes[0].getstatsforheight (cnt)
# Verify stats against expectations.
assert_equal (blkhash, stats['blockhash'])
assert_equal (cnt, stats['height'])
assert 'time' in stats
assert 'size' in stats
assert_equal (2, stats['transactions']['currency'])
assert_equal (2, stats['transactions']['name'])
assert_equal (1, stats['transactions']['game'])
assert_equal (1, stats['game']['players'])
assert_equal (3, stats['game']['hunters'])
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)
assert_equal (tips[0]['status'], 'active')
# get spendable coins
if 0:
for n in self.nodes:
n.generate(1)
self.sync_all()
self.nodes[0].generate(100)
self.sync_all()
# Set the accept depth at 1, 2, and 3 and watch each nodes resist the chain for that long
self.nodes[1].setminingmaxblock(1000, 1)
self.nodes[2].setminingmaxblock(1000, 2)
self.nodes[3].setminingmaxblock(1000, 3)
self.nodes[1].setexcessiveblock(1000, 1)
self.nodes[2].setexcessiveblock(1000, 2)
self.nodes[3].setexcessiveblock(1000, 3)
addr = self.nodes[3].getnewaddress()
for i in range(0,20):
self.nodes[0].sendtoaddress(addr, 1.0)
self.nodes[0].generate(1)
time.sleep(2) #give blocks a chance to fully propagate
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [201,200,200,200])
self.nodes[0].generate(1)
time.sleep(2) #give blocks a chance to fully propagate
sync_blocks(self.nodes[0:2])
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [202,202,200,200])
self.nodes[0].generate(1)
time.sleep(2) #give blocks a chance to fully propagate
sync_blocks(self.nodes[0:3])
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [203,203,203,200])
self.nodes[0].generate(1)
time.sleep(2) #give blocks a chance to fully propagate
self.sync_all()
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [204,204,204,204])
# Now generate another excessive block, but all nodes should snap right to it because they have an older excessive block
for i in range(0,20):
self.nodes[0].sendtoaddress(addr, 1.0)
self.nodes[0].generate(1)
self.sync_all()
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [205,205,205,205])
self.nodes[0].generate(6*24) # Now generate a day's worth of small blocks which should re-enable the node's reluctance to accept a large block
self.sync_all()
for i in range(0,20):
self.nodes[0].sendtoaddress(addr, 1.0)
self.nodes[0].generate(1)
time.sleep(2) #give blocks a chance to fully propagate
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [350,349,349,349])
for i in range(0,20):
self.nodes[0].sendtoaddress(addr, 1.0)
self.nodes[0].generate(1)
time.sleep(2) #give blocks a chance to fully propagate
sync_blocks(self.nodes[0:2])
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [351,351,350,350])
for i in range(0,20):
self.nodes[0].sendtoaddress(addr, 1.0)
self.nodes[0].generate(1)
time.sleep(2) #give blocks a chance to fully propagate
sync_blocks(self.nodes[0:3])
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [352,352,352,351])
for i in range(0,20):
self.nodes[0].sendtoaddress(addr, 1.0)
self.nodes[0].generate(1)
self.sync_all()
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [353,353,353,353])
for i in range(0,20):
self.nodes[0].sendtoaddress(addr, 1.0)
self.nodes[0].generate(1)
self.sync_all()
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [354,354,354,354])
self.nodes[0].generate(6*24 + 10) # Now generate a day's worth of small blocks which should re-enable the node's reluctance to accept a large block + 10 because we have to get beyond all the node's accept depths
self.sync_all()
counts = [ x.getblockcount() for x in self.nodes ]
self.nodes[1].setminingmaxblock(100000) # not sure how big the txns will be but smaller than this
self.nodes[1].setexcessiveblock(100000, 1) # not sure how big the txns will be but smaller than this
for i in range(0,40):
self.nodes[0].sendtoaddress(addr, 1.0)
self.sync_all()
self.nodes[0].generate(1)
time.sleep(2) #give blocks a chance to fully propagate
sync_blocks(self.nodes[0:2])
counts = [ x.getblockcount() for x in self.nodes ]
assert_equal(counts, [509,509,508,508])
print "Random test"
random.seed(1)
for i in range(0,2):
print "round ", i,
for n in self.nodes:
size = random.randint(1,1000)*1000
n.setminingmaxblock(size)
n.setexcessiveblock(size, random.randint(0,10))
addrs = [x.getnewaddress() for x in self.nodes]
ntxs=0
for i in range(0,random.randint(1,1000)):
try:
self.nodes[random.randint(0,3)].sendtoaddress(addrs[random.randint(0,3)], .1)
ntxs += 1
except JSONRPCException: # could be spent all the txouts
pass
print ntxs, " transactions"
time.sleep(1)
self.nodes[random.randint(0,3)].generate(1)
time.sleep(1)
def run_test (self):
BitcoinTestFramework.run_test (self)
# Check for difficulty reports in various RPC calls. Where the "current"
# state is involved, we get two (for each algo). Where a particular block
# is involved, we just get that block's difficulty (whatever the algo).
dual = []
dual.append (self.nodes[0].getinfo ())
dual.append (self.nodes[0].getblockchaininfo ())
dual.append (self.nodes[0].getmininginfo ())
for data in dual:
assert 'difficulty_sha256d' in data
assert 'difficulty_scrypt' in data
assert 'difficulty' not in data
bestHash = self.nodes[0].getbestblockhash ()
data = self.nodes[0].getblock (bestHash)
assert 'difficulty' in data
assert 'difficulty_sha256d' not in data
assert 'difficulty_scrypt' not in data
# Check getdifficulty RPC call.
diffSHA = self.nodes[0].getdifficulty (0)
assert_equal (diffSHA, dual[0]['difficulty_sha256d'])
diffScrypt = self.nodes[0].getdifficulty (1)
assert_equal (diffScrypt, dual[0]['difficulty_scrypt'])
try:
self.nodes[0].getdifficulty ()
raise AssertionError ("getdifficulty without arg accepted")
except JSONRPCException as exc:
assert_equal (exc.error['code'], -1)
# Generate a few blocks with SHA256D. Ensure that they are, indeed,
# with the correct algo.
arr1 = self.nodes[0].generate (5)
arr2 = self.nodes[0].generate (5, 0)
for blk in arr1 + arr2:
data = self.nodes[0].getblock (blk)
assert_equal (data['algo'], 0)
# Generate a few blocks with scrypt. Ensure the algo parameter.
# Furthermore, at least one of them "should" have an obviously high
# hash value. It may, of course, happen that this is not the case,
# but the probability for that is negligible (about 2^(-20)).
arr = self.nodes[0].generate (20, 1)
foundHigh = False
for blk in arr:
data = self.nodes[0].getblock (blk)
assert_equal (data['algo'], 1)
if blk[0] in '89abcdef':
foundHigh = True
assert foundHigh
# Verify check for algo parameter.
for p in [-1, 2]:
try:
self.nodes[0].generate (1, p)
raise AssertionError ("invalid algo parameter accepted")
except JSONRPCException as exc:
assert_equal (exc.error['code'], -8)
# Briefly test generatetoaddress as well.
for algo in [0, 1]:
addr = self.nodes[0].getnewaddress ()
blkhash = self.nodes[0].generatetoaddress (1, addr, algo)
assert_equal (1, len (blkhash))
data = self.nodes[0].getblock(blkhash[0])
assert_equal (algo, data['algo'])
coinbaseTx = data['tx'][0]
utxo = self.nodes[0].gettxout (coinbaseTx, 0)
assert_equal ([addr], utxo['scriptPubKey']['addresses'])
# Check updates of the returned block (or not) with getauxblock.
# Note that this behaviour needs not necessarily be exactly as tested,
# but the test ensures that no change is introduced accidentally.
auxblock1 = self.nodes[0].getauxblock ()
auxblock2 = self.nodes[0].getauxblock (0)
assert_equal (auxblock1['hash'], auxblock2['hash'])
auxblock2 = self.nodes[0].getauxblock (1)
auxblock3 = self.nodes[0].getauxblock (1)
assert_equal (auxblock2['hash'], auxblock3['hash'])
assert auxblock2['hash'] != auxblock1['hash']
auxblock3 = self.nodes[0].getauxblock ()
assert auxblock1['hash'] != auxblock3['hash']
# Use getauxblock with explicit algo to mine a SHA256D block.
# Assert that this works (the block is saved) even if we request
# another scrypt block before.
auxblock = self.nodes[0].getauxblock ()
assert_equal (auxblock['chainid'], 6)
assert_equal (auxblock['algo'], 0)
dummy = self.nodes[0].getauxblock (1)
assert_equal (dummy['chainid'], 2)
assert_equal (dummy['algo'], 1)
# Solve the auxpow requested before.
curcnt = self.nodes[0].getblockcount ()
target = auxpow.reverseHex (auxblock['_target'])
apow = auxpow.computeAuxpow (auxblock['hash'], target, True)
res = self.nodes[0].getauxblock (auxblock['hash'], apow)
assert res
# Check submitted data.
assert_equal (self.nodes[0].getblockcount (), curcnt + 1)
data = self.nodes[0].getblock (auxblock['hash'])
assert_equal (data['algo'], 0)
# Mine an scrypt auxpow. Since there is no built-in Python
# function to scrypt, we do it differently: Simply try submitting
# until the block is accepted. Since we need on average 2 trials,
# this is no big hit.
trials = 0
curcnt = self.nodes[0].getblockcount ()
ok = False
while not ok:
if trials > 100:
raise AssertionError ("failed to merge-mine scrypt auxpow")
trials += 1
# Force an update of the block so we get a new trial.
self.nodes[0].getauxblock (0)
auxblock = self.nodes[0].getauxblock (1)
target = auxpow.reverseHex (auxblock['_target'])
apow = auxpow.computeAuxpow (auxblock['hash'], target, False)
ok = self.nodes[0].getauxblock (auxblock['hash'], apow)
print "Found scrypt block after %d trials." % trials
# Check submitted auxblock.
assert_equal (self.nodes[0].getblockcount (), curcnt + 1)
data = self.nodes[0].getblock (auxblock['hash'])
assert_equal (data['algo'], 1)
def run_test (self):
BitcoinTestFramework.run_test (self)
# Generate a block so that we are not "downloading blocks".
self.nodes[0].generate (1)
# Compare basic data of getauxblock to getblocktemplate.
auxblock = self.nodes[0].getauxblock ()
blocktemplate = self.nodes[0].getblocktemplate ()
assert_equal (auxblock['coinbasevalue'], blocktemplate['coinbasevalue'])
assert_equal (auxblock['bits'], blocktemplate['bits'])
assert_equal (auxblock['height'], blocktemplate['height'])
assert_equal (auxblock['previousblockhash'], blocktemplate['previousblockhash'])
# Compare target and take byte order into account.
target = auxblock['_target']
reversedTarget = auxpow.reverseHex (target)
assert_equal (reversedTarget, blocktemplate['target'])
# Verify data that can be found in another way.
assert_equal (auxblock['chainid'], 1)
assert_equal (auxblock['height'], self.nodes[0].getblockcount () + 1)
assert_equal (auxblock['previousblockhash'], self.nodes[0].getblockhash (auxblock['height'] - 1))
# Calling again should give the same block.
auxblock2 = self.nodes[0].getauxblock ()
assert_equal (auxblock2, auxblock)
# If we receive a new block, the old hash will be replaced.
self.sync_all ()
self.nodes[1].generate (1)
self.sync_all ()
auxblock2 = self.nodes[0].getauxblock ()
assert auxblock['hash'] != auxblock2['hash']
try:
self.nodes[0].getauxblock (auxblock['hash'], "x")
raise AssertionError ("invalid block hash accepted")
except JSONRPCException as exc:
assert_equal (exc.error['code'], -8)
# Invalid format for auxpow.
try:
self.nodes[0].getauxblock (auxblock2['hash'], "x")
raise AssertionError ("malformed auxpow accepted")
except JSONRPCException as exc:
assert_equal (exc.error['code'], -1)
# Invalidate the block again, send a transaction and query for the
# auxblock to solve that contains the transaction.
self.nodes[0].generate (1)
addr = self.nodes[1].getnewaddress ()
txid = self.nodes[0].sendtoaddress (addr, 1)
self.sync_all ()
assert_equal (self.nodes[1].getrawmempool (), [txid])
auxblock = self.nodes[0].getauxblock ()
blocktemplate = self.nodes[0].getblocktemplate ()
target = blocktemplate['target']
# Compute invalid auxpow.
apow = auxpow.computeAuxpow (auxblock['hash'], target, False)
res = self.nodes[0].getauxblock (auxblock['hash'], apow)
assert not res
# Compute and submit valid auxpow.
apow = auxpow.computeAuxpow (auxblock['hash'], target, True)
res = self.nodes[0].getauxblock (auxblock['hash'], apow)
assert res
# Make sure that the block is indeed accepted.
self.sync_all ()
assert_equal (self.nodes[1].getrawmempool (), [])
height = self.nodes[1].getblockcount ()
assert_equal (height, auxblock['height'])
assert_equal (self.nodes[1].getblockhash (height), auxblock['hash'])
# Call getblock and verify the auxpow field.
data = self.nodes[1].getblock (auxblock['hash'])
assert 'auxpow' in data
auxJson = data['auxpow']
assert_equal (auxJson['index'], 0)
assert_equal (auxJson['parentblock'], apow[-160:])
# Check that previous blocks don't have 'auxpow' in their getblock JSON.
oldHash = self.nodes[1].getblockhash (100)
data = self.nodes[1].getblock (oldHash)
assert 'auxpow' not in data
# Check that it paid correctly to the first node.
t = self.nodes[0].listtransactions ("", 1)
assert_equal (len (t), 1)
t = t[0]
assert_equal (t['category'], "immature")
assert_equal (t['blockhash'], auxblock['hash'])
assert t['generated']
assert t['amount'] >= Decimal ("25")
assert_equal (t['confirmations'], 1)
# Verify the coinbase script. Ensure that it includes the block height
# to make the coinbase tx unique. The expected block height is around
# 200, so that the serialisation of the CScriptNum ends in an extra 00.
# The vector has length 2, which makes up for 02XX00 as the serialised
# height. Check this.
blk = self.nodes[1].getblock (auxblock['hash'])
tx = self.nodes[1].getrawtransaction (blk['tx'][0], 1)
coinbase = tx['vin'][0]['coinbase']
assert_equal ("02%02x00" % auxblock['height'], coinbase[0 : 6])
# Ensure that the payout address is changed from one block to the next.
addr1 = self.getCoinbaseAddr (auxblock['hash'])
newHash = auxpow.mineAuxpowBlock (self.nodes[0])
self.sync_all ()
addr2 = self.getCoinbaseAddr (newHash)
assert addr1 != addr2
valid = self.nodes[0].validateaddress (addr1)
assert valid['ismine']
valid = self.nodes[0].validateaddress (addr2)
assert valid['ismine']
def run_test (self):
BitcoinTestFramework.run_test (self)
# Generate a block so that we are not "downloading blocks".
self.nodes[0].generate (1)
# We used to compare to getblocktemplate, but this call is gone
# now completely for merge-mining.
# Verify data that can be found in another way.
auxblock = self.nodes[0].getauxblock ()
assert_equal (auxblock['chainid'], 1)
assert_equal (auxblock['height'], self.nodes[0].getblockcount () + 1)
assert_equal (auxblock['previousblockhash'], self.nodes[0].getblockhash (auxblock['height'] - 1))
# Calling again should give the same block.
auxblock2 = self.nodes[0].getauxblock ()
assert_equal (auxblock2, auxblock)
# If we receive a new block, the old hash will be replaced.
self.sync_all ()
self.nodes[1].generate (1)
self.sync_all ()
auxblock2 = self.nodes[0].getauxblock ()
assert auxblock['hash'] != auxblock2['hash']
try:
self.nodes[0].getauxblock (auxblock['hash'], "x")
raise AssertionError ("invalid block hash accepted")
except JSONRPCException as exc:
assert_equal (exc.error['code'], -8)
# Invalid format for auxpow.
try:
self.nodes[0].getauxblock (auxblock2['hash'], "x")
raise AssertionError ("malformed auxpow accepted")
except JSONRPCException as exc:
assert_equal (exc.error['code'], -1)
# Invalidate the block again, send a transaction and query for the
# auxblock to solve that contains the transaction.
self.nodes[0].generate (1)
addr = self.nodes[1].getnewaddress ()
txid = self.nodes[0].sendtoaddress (addr, 1)
self.sync_all ()
assert_equal (self.nodes[1].getrawmempool (), [txid])
auxblock = self.nodes[0].getauxblock ()
target = auxpow.reverseHex (auxblock['_target'])
# Compute invalid auxpow.
apow = auxpow.computeAuxpow (auxblock['hash'], target, False)
res = self.nodes[0].getauxblock (auxblock['hash'], apow)
assert not res
# Compute and submit valid auxpow.
apow = auxpow.computeAuxpow (auxblock['hash'], target, True)
res = self.nodes[0].getauxblock (auxblock['hash'], apow)
assert res
# Make sure that the block is indeed accepted.
self.sync_all ()
assert_equal (self.nodes[1].getrawmempool (), [])
height = self.nodes[1].getblockcount ()
assert_equal (height, auxblock['height'])
assert_equal (self.nodes[1].getblockhash (height), auxblock['hash'])
# Call getblock and verify the auxpow field.
data = self.nodes[1].getblock (auxblock['hash'])
assert 'auxpow' in data
auxJson = data['auxpow']
assert_equal (auxJson['index'], 0)
assert_equal (auxJson['chainindex'], 0)
assert_equal (auxJson['merklebranch'], [])
assert_equal (auxJson['chainmerklebranch'], [])
assert_equal (auxJson['parentblock'], apow[-160:])
# Also previous blocks should have 'auxpow', since all blocks (also
# those generated by "generate") are merge-mined.
oldHash = self.nodes[1].getblockhash (100)
data = self.nodes[1].getblock (oldHash)
assert 'auxpow' in data
# Check that it paid correctly to the first node.
t = self.nodes[0].listtransactions ("", 1)
assert_equal (len (t), 1)
t = t[0]
assert_equal (t['category'], "immature")
assert_equal (t['blockhash'], auxblock['hash'])
assert t['generated']
assert t['amount'] >= Decimal ("25")
assert_equal (t['confirmations'], 1)
# Verify the coinbase script. Ensure that it includes the block height
# to make the coinbase tx unique. The expected block height is around
# 200, so that the serialisation of the CScriptNum ends in an extra 00.
# The vector has length 2, which makes up for 02XX00 as the serialised
# height. Check this.
blk = self.nodes[1].getblock (auxblock['hash'])
tx = self.nodes[1].getrawtransaction (blk['tx'][0], 1)
coinbase = tx['vin'][0]['coinbase']
assert_equal ("02%02x00" % auxblock['height'], coinbase[0 : 6])
# Ensure that the payout address is changed from one block to the next.
addr1 = self.getCoinbaseAddr (auxblock['hash'])
newHash = auxpow.mineAuxpowBlock (self.nodes[0])
self.sync_all ()
addr2 = self.getCoinbaseAddr (newHash)
assert addr1 != addr2
valid = self.nodes[0].validateaddress (addr1)
assert valid['ismine']
valid = self.nodes[0].validateaddress (addr2)
assert valid['ismine']
def run_test(self):
BitcoinTestFramework.run_test(self)
# Generate a block so that we are not "downloading blocks".
self.nodes[0].generate(1)
# Compare basic data of getauxblock to getblocktemplate.
auxblock = self.nodes[0].getauxblock()
blocktemplate = self.nodes[0].getblocktemplate()
assert_equal(auxblock['coinbasevalue'], blocktemplate['coinbasevalue'])
assert_equal(auxblock['bits'], blocktemplate['bits'])
assert_equal(auxblock['height'], blocktemplate['height'])
assert_equal(auxblock['previousblockhash'],
blocktemplate['previousblockhash'])
# Compare target and take byte order into account.
target = auxblock['_target']
reversedTarget = auxpow.reverseHex(target)
assert_equal(reversedTarget, blocktemplate['target'])
# Verify data that can be found in another way.
assert_equal(auxblock['chainid'], 1)
assert_equal(auxblock['height'], self.nodes[0].getblockcount() + 1)
assert_equal(auxblock['previousblockhash'],
self.nodes[0].getblockhash(auxblock['height'] - 1))
# Calling again should give the same block.
auxblock2 = self.nodes[0].getauxblock()
assert_equal(auxblock2, auxblock)
# If we receive a new block, the old hash will be replaced.
self.sync_all()
self.nodes[1].generate(1)
self.sync_all()
auxblock2 = self.nodes[0].getauxblock()
assert auxblock['hash'] != auxblock2['hash']
try:
self.nodes[0].getauxblock(auxblock['hash'], "x")
raise AssertionError("invalid block hash accepted")
except JSONRPCException as exc:
assert_equal(exc.error['code'], -8)
# Invalid format for auxpow.
try:
self.nodes[0].getauxblock(auxblock2['hash'], "x")
raise AssertionError("malformed auxpow accepted")
except JSONRPCException as exc:
assert_equal(exc.error['code'], -1)
# Invalidate the block again, send a transaction and query for the
# auxblock to solve that contains the transaction.
self.nodes[0].generate(1)
addr = self.nodes[1].getnewaddress()
txid = self.nodes[0].sendtoaddress(addr, 1)
self.sync_all()
assert_equal(self.nodes[1].getrawmempool(), [txid])
auxblock = self.nodes[0].getauxblock()
blocktemplate = self.nodes[0].getblocktemplate()
target = blocktemplate['target']
# Compute invalid auxpow.
apow = auxpow.computeAuxpow(auxblock['hash'], target, False)
res = self.nodes[0].getauxblock(auxblock['hash'], apow)
assert not res
# Compute and submit valid auxpow.
apow = auxpow.computeAuxpow(auxblock['hash'], target, True)
res = self.nodes[0].getauxblock(auxblock['hash'], apow)
assert res
# Make sure that the block is indeed accepted.
self.sync_all()
assert_equal(self.nodes[1].getrawmempool(), [])
height = self.nodes[1].getblockcount()
assert_equal(height, auxblock['height'])
assert_equal(self.nodes[1].getblockhash(height), auxblock['hash'])
# Call getblock and verify the auxpow field.
data = self.nodes[1].getblock(auxblock['hash'])
assert 'auxpow' in data
auxJson = data['auxpow']
assert_equal(auxJson['index'], 0)
assert_equal(auxJson['parentblock'], apow[-160:])
# Check that previous blocks don't have 'auxpow' in their getblock JSON.
oldHash = self.nodes[1].getblockhash(100)
data = self.nodes[1].getblock(oldHash)
assert 'auxpow' not in data
# Check that it paid correctly to the first node.
t = self.nodes[0].listtransactions("", 1)
assert_equal(len(t), 1)
t = t[0]
assert_equal(t['category'], "immature")
assert_equal(t['blockhash'], auxblock['hash'])
assert t['generated']
assert t['amount'] >= Decimal("25")
assert_equal(t['confirmations'], 1)
# Verify the coinbase script. Ensure that it includes the block height
# to make the coinbase tx unique. The expected block height is around
# 200, so that the serialisation of the CScriptNum ends in an extra 00.
# The vector has length 2, which makes up for 02XX00 as the serialised
# height. Check this.
blk = self.nodes[1].getblock(auxblock['hash'])
tx = self.nodes[1].getrawtransaction(blk['tx'][0], 1)
coinbase = tx['vin'][0]['coinbase']
assert_equal("02%02x00" % auxblock['height'], coinbase[0:6])
def run_test(self):
BitcoinTestFramework.run_test(self)
self.testExcessiveSigops()
self.testExcessiveBlockSize()
self.testExcessiveTx()
def run_test(self):
BitcoinTestFramework.run_test(self)
self.testCli()
self.testExcessiveSigops()
self.testExcessiveBlockSize()
self.testExcessiveTx()