Merge #9097: [qa] Rework sync_* and preciousblock.py

fa97ccb [qa] util: Rework sync_*() (MarcoFalke)
fac1141 [qa] preciousblock: Use assert_equal and BitcoinTestFramework.__init__ (MarcoFalke)
This commit is contained in:
MarcoFalke 2016-11-10 11:22:26 +01:00 committed by Alexander Block
parent ec08f5b750
commit 3a388d9c01
3 changed files with 54 additions and 49 deletions

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@ -8,7 +8,12 @@
#
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
from test_framework.util import (
assert_equal,
connect_nodes_bi,
sync_chain,
sync_blocks,
)
def unidirectional_node_sync_via_rpc(node_src, node_dest):
blocks_to_copy = []
@ -33,84 +38,82 @@ def node_sync_via_rpc(nodes):
unidirectional_node_sync_via_rpc(node_src, node_dest)
class PreciousTest(BitcoinTestFramework):
def setup_chain(self):
print("Initializing test directory "+self.options.tmpdir)
initialize_chain_clean(self.options.tmpdir, 3)
def __init__(self):
super().__init__()
self.setup_clean_chain = True
self.num_nodes = 3
self.extra_args = [["-debug"]] * self.num_nodes
def setup_network(self):
self.nodes = []
self.is_network_split = False
self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"]))
self.nodes.append(start_node(1, self.options.tmpdir, ["-debug"]))
self.nodes.append(start_node(2, self.options.tmpdir, ["-debug"]))
self.nodes = self.setup_nodes()
def run_test(self):
print("Ensure submitblock can in principle reorg to a competing chain")
self.nodes[0].generate(1)
assert(self.nodes[0].getblockcount() == 1)
assert_equal(self.nodes[0].getblockcount(), 1)
(hashY, hashZ) = self.nodes[1].generate(2)
assert(self.nodes[1].getblockcount() == 2)
assert_equal(self.nodes[1].getblockcount(), 2)
node_sync_via_rpc(self.nodes[0:3])
assert(self.nodes[0].getbestblockhash() == hashZ)
assert_equal(self.nodes[0].getbestblockhash(), hashZ)
print("Mine blocks A-B-C on Node 0")
(hashA, hashB, hashC) = self.nodes[0].generate(3)
assert(self.nodes[0].getblockcount() == 5)
assert_equal(self.nodes[0].getblockcount(), 5)
print("Mine competing blocks E-F-G on Node 1")
(hashE, hashF, hashG) = self.nodes[1].generate(3)
assert(self.nodes[1].getblockcount() == 5)
assert_equal(self.nodes[1].getblockcount(), 5)
assert(hashC != hashG)
print("Connect nodes and check no reorg occurs")
# Submit competing blocks via RPC so any reorg should occur before we proceed (no way to wait on inaction for p2p sync)
node_sync_via_rpc(self.nodes[0:2])
connect_nodes_bi(self.nodes,0,1)
assert(self.nodes[0].getbestblockhash() == hashC)
assert(self.nodes[1].getbestblockhash() == hashG)
assert_equal(self.nodes[0].getbestblockhash(), hashC)
assert_equal(self.nodes[1].getbestblockhash(), hashG)
print("Make Node0 prefer block G")
self.nodes[0].preciousblock(hashG)
assert(self.nodes[0].getbestblockhash() == hashG)
assert_equal(self.nodes[0].getbestblockhash(), hashG)
print("Make Node0 prefer block C again")
self.nodes[0].preciousblock(hashC)
assert(self.nodes[0].getbestblockhash() == hashC)
assert_equal(self.nodes[0].getbestblockhash(), hashC)
print("Make Node1 prefer block C")
self.nodes[1].preciousblock(hashC)
sync_chain(self.nodes[0:2]) # wait because node 1 may not have downloaded hashC
assert(self.nodes[1].getbestblockhash() == hashC)
assert_equal(self.nodes[1].getbestblockhash(), hashC)
print("Make Node1 prefer block G again")
self.nodes[1].preciousblock(hashG)
assert(self.nodes[1].getbestblockhash() == hashG)
assert_equal(self.nodes[1].getbestblockhash(), hashG)
print("Make Node0 prefer block G again")
self.nodes[0].preciousblock(hashG)
assert(self.nodes[0].getbestblockhash() == hashG)
assert_equal(self.nodes[0].getbestblockhash(), hashG)
print("Make Node1 prefer block C again")
self.nodes[1].preciousblock(hashC)
assert(self.nodes[1].getbestblockhash() == hashC)
assert_equal(self.nodes[1].getbestblockhash(), hashC)
print("Mine another block (E-F-G-)H on Node 0 and reorg Node 1")
self.nodes[0].generate(1)
assert(self.nodes[0].getblockcount() == 6)
assert_equal(self.nodes[0].getblockcount(), 6)
sync_blocks(self.nodes[0:2])
hashH = self.nodes[0].getbestblockhash()
assert(self.nodes[1].getbestblockhash() == hashH)
assert_equal(self.nodes[1].getbestblockhash(), hashH)
print("Node1 should not be able to prefer block C anymore")
self.nodes[1].preciousblock(hashC)
assert(self.nodes[1].getbestblockhash() == hashH)
assert_equal(self.nodes[1].getbestblockhash(), hashH)
print("Mine competing blocks I-J-K-L on Node 2")
self.nodes[2].generate(4)
assert(self.nodes[2].getblockcount() == 6)
assert_equal(self.nodes[2].getblockcount(), 6)
hashL = self.nodes[2].getbestblockhash()
print("Connect nodes and check no reorg occurs")
node_sync_via_rpc(self.nodes[0:3])
connect_nodes_bi(self.nodes,1,2)
connect_nodes_bi(self.nodes,0,2)
assert(self.nodes[0].getbestblockhash() == hashH)
assert(self.nodes[1].getbestblockhash() == hashH)
assert(self.nodes[2].getbestblockhash() == hashL)
assert_equal(self.nodes[0].getbestblockhash(), hashH)
assert_equal(self.nodes[1].getbestblockhash(), hashH)
assert_equal(self.nodes[2].getbestblockhash(), hashL)
print("Make Node1 prefer block L")
self.nodes[1].preciousblock(hashL)
assert(self.nodes[1].getbestblockhash() == hashL)
assert_equal(self.nodes[1].getbestblockhash(), hashL)
print("Make Node2 prefer block H")
self.nodes[2].preciousblock(hashH)
assert(self.nodes[2].getbestblockhash() == hashH)
assert_equal(self.nodes[2].getbestblockhash(), hashH)
if __name__ == '__main__':
PreciousTest().main()

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@ -247,9 +247,9 @@ class EstimateFeeTest(BitcoinTestFramework):
self.memutxo, Decimal("0.005"), min_fee, min_fee)
tx_kbytes = (len(txhex) // 2) / 1000.0
self.fees_per_kb.append(float(fee)/tx_kbytes)
sync_mempools(self.nodes[0:3],.1)
sync_mempools(self.nodes[0:3], wait=.1)
mined = mining_node.getblock(mining_node.generate(1)[0],True)["tx"]
sync_blocks(self.nodes[0:3],.1)
sync_blocks(self.nodes[0:3], wait=.1)
# update which txouts are confirmed
newmem = []
for utx in self.memutxo:
@ -281,7 +281,7 @@ class EstimateFeeTest(BitcoinTestFramework):
while len(self.nodes[1].getrawmempool()) > 0:
self.nodes[1].generate(1)
sync_blocks(self.nodes[0:3],.1)
sync_blocks(self.nodes[0:3], wait=.1)
print("Final estimates after emptying mempools")
check_estimates(self.nodes[1], self.fees_per_kb, 2)

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@ -131,33 +131,35 @@ def hex_str_to_bytes(hex_str):
def str_to_b64str(string):
return b64encode(string.encode('utf-8')).decode('ascii')
def sync_blocks(rpc_connections, wait=1, timeout=60):
def sync_blocks(rpc_connections, *, wait=1, timeout=60):
"""
Wait until everybody has the same tip
"""
maxheight = 0
while timeout > 0:
tips = [ x.waitforblockheight(maxheight, int(wait * 1000)) for x in rpc_connections ]
heights = [ x["height"] for x in tips ]
if tips == [ tips[0] ]*len(tips):
return True
if heights == [ heights[0] ]*len(heights): #heights are the same but hashes are not
raise AssertionError("Block sync failed")
tips = [r.waitforblockheight(maxheight, int(wait * 1000)) for r in rpc_connections]
heights = [t["height"] for t in tips]
if tips == [tips[0]] * len(tips):
return
if heights == [heights[0]] * len(heights):
raise AssertionError("Block sync failed: (Hashes don't match)")
timeout -= wait
maxheight = max(heights)
raise AssertionError("Block sync failed")
raise AssertionError("Block sync failed with heights: {}".format(heights))
def sync_chain(rpc_connections, wait=1):
def sync_chain(rpc_connections, *, wait=1, timeout=60):
"""
Wait until everybody has the same best block
"""
while True:
counts = [ x.getbestblockhash() for x in rpc_connections ]
if counts == [ counts[0] ]*len(counts):
break
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):
def sync_mempools(rpc_connections, *, wait=1, timeout=60):
"""
Wait until everybody has the same transactions in their memory
pools
@ -169,7 +171,7 @@ def sync_mempools(rpc_connections, wait=1, timeout=60):
if set(rpc_connections[i].getrawmempool()) == pool:
num_match = num_match+1
if num_match == len(rpc_connections):
return True
return
time.sleep(wait)
timeout -= wait
raise AssertionError("Mempool sync failed")