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Run orphan TX handling tests twice, once by resolving via mempool and once via block

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This commit is contained in:
Alexander Block 2019-10-04 13:36:18 +02:00
parent e762070242
commit a12b03e5ca
1 changed files with 33 additions and 3 deletions
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36
test/functional/invalidtxrequest.py
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@ -62,7 +62,16 @@ class InvalidTxRequestTest(BitcoinTestFramework):
# Save the coinbase for later
block1 = block
tip = block.sha256
node.p2p.send_blocks_and_test([block], node, success=True)
# Create a second one to test orphan resolution via block receival
height += 1
block_time += 1
block = create_block(tip, create_coinbase(height), block_time)
block.solve()
# Save the coinbase for later
block2 = block
tip = block.sha256
node.p2p.send_blocks_and_test([block1, block2], node, success=True)
self.log.info("Mature the block.")
self.nodes[0].generate(100)
@ -80,10 +89,18 @@ class InvalidTxRequestTest(BitcoinTestFramework):
self.reconnect_p2p(num_connections=2)
self.log.info('Test orphan transaction handling ... ')
self.test_orphan_tx_handling(block1.vtx[0].sha256, False)
node.generate(1) # Clear mempool
self.reconnect_p2p(num_connections=2)
self.test_orphan_tx_handling(block2.vtx[0].sha256, True)
def test_orphan_tx_handling(self, base_tx, resolve_via_block):
node = self.nodes[0] # convenience reference to the node
# Create a root transaction that we withold until all dependend transactions
# are sent out and in the orphan cache
tx_withhold = CTransaction()
tx_withhold.vin.append(CTxIn(outpoint=COutPoint(block1.vtx[0].sha256, 0)))
tx_withhold.vin.append(CTxIn(outpoint=COutPoint(base_tx, 0)))
tx_withhold.vout.append(CTxOut(nValue=50 * COIN - 12000, scriptPubKey=b'\x51'))
tx_withhold.calc_sha256()
@ -119,7 +136,17 @@ class InvalidTxRequestTest(BitcoinTestFramework):
assert_equal(2, len(node.getpeerinfo())) # p2ps[1] is still connected
self.log.info('Send the withhold tx ... ')
node.p2p.send_txs_and_test([tx_withhold], node, success=True)
if resolve_via_block:
# Test orphan handling/resolution by publishing the withhold TX via a mined block
prev_block = node.getblockheader(node.getbestblockhash())
block = create_block(int(prev_block['hash'], 16), create_coinbase(prev_block['height'] + 1), prev_block["time"] + 1)
block.vtx.append(tx_withhold)
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
node.p2p.send_blocks_and_test([block], node, success=True)
else:
# Test orphan handling/resolution by publishing the withhold TX via the mempool
node.p2p.send_txs_and_test([tx_withhold], node, success=True)
# Transactions that should end up in the mempool
expected_mempool = {
@ -133,6 +160,9 @@ class InvalidTxRequestTest(BitcoinTestFramework):
# Transactions that do not end up in the mempool
# tx_orphan_no_fee, because it has too low fee (p2ps[0] is not disconnected for relaying that tx)
# tx_orphan_invaid, because it has negative fee (p2ps[1] is disconnected for relaying that tx)
if resolve_via_block:
# This TX has appeared in a block instead of being broadcasted via the mempool
expected_mempool.remove(tx_withhold.hash)
wait_until(lambda: 1 == len(node.getpeerinfo()), timeout=12) # p2ps[1] is no longer connected
assert_equal(expected_mempool, set(node.getrawmempool()))