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test: check that _all_ invalid-CLTV txs are rejected after BIP65 activation

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This commit is contained in:
Sebastian Falbesoner 2020-08-25 10:12:03 +02:00
parent dbc1981474
commit b01cd9471f
1 changed files with 35 additions and 24 deletions
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59
test/functional/feature_cltv.py
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@ -154,35 +154,46 @@ class BIP65Test(BitcoinTestFramework):
assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip)
peer.sync_with_ping()
self.log.info("Test that invalid-according-to-cltv transactions cannot appear in a block")
self.log.info("Test that invalid-according-to-CLTV transactions cannot appear in a block")
block.nVersion = 4
block.vtx.append(CTransaction()) # dummy tx after coinbase that will be replaced later
spendtx = create_transaction(self.nodes[0], self.coinbase_txids[10],
self.nodeaddress, amount=1.0)
spendtx = cltv_invalidate(self.nodes[0], spendtx, 1)
spendtx.rehash()
# create and test one invalid tx per CLTV failure reason (5 in total)
for i in range(5):
spendtx = create_transaction(self.nodes[0], self.coinbase_txids[10+i],
self.nodeaddress, amount=1.0)
spendtx = cltv_invalidate(self.nodes[0], spendtx, i)
spendtx.rehash()
# First we show that this tx is valid except for CLTV by getting it
# rejected from the mempool for exactly that reason.
assert_equal(
[{
'txid': spendtx.hash,
'wtxid': spendtx.getwtxid(),
'allowed': False,
'reject-reason': 'non-mandatory-script-verify-flag (Negative locktime)',
}],
self.nodes[0].testmempoolaccept(rawtxs=[spendtx.serialize().hex()], maxfeerate=0),
)
expected_cltv_reject_reason = [
"non-mandatory-script-verify-flag (Operation not valid with the current stack size)",
"non-mandatory-script-verify-flag (Negative locktime)",
"non-mandatory-script-verify-flag (Locktime requirement not satisfied)",
"non-mandatory-script-verify-flag (Locktime requirement not satisfied)",
"non-mandatory-script-verify-flag (Locktime requirement not satisfied)",
][i]
# First we show that this tx is valid except for CLTV by getting it
# rejected from the mempool for exactly that reason.
assert_equal(
[{
'txid': spendtx.hash,
'wtxid': spendtx.getwtxid(),
'allowed': False,
'reject-reason': expected_cltv_reject_reason,
}],
self.nodes[0].testmempoolaccept(rawtxs=[spendtx.serialize().hex()], maxfeerate=0),
)
# Now we verify that a block with this transaction is also invalid.
block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
# Now we verify that a block with this transaction is also invalid.
block.vtx[1] = spendtx
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
with self.nodes[0].assert_debug_log(expected_msgs=['CheckInputScripts on {} failed with non-mandatory-script-verify-flag (Negative locktime)'.format(block.vtx[-1].hash)]):
peer.send_and_ping(msg_block(block))
assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip)
peer.sync_with_ping()
with self.nodes[0].assert_debug_log(expected_msgs=['CheckInputScripts on {} failed with {}'.format(
block.vtx[-1].hash, expected_cltv_reject_reason)]):
peer.send_and_ping(msg_block(block))
assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip)
peer.sync_with_ping()
self.log.info("Test that a version 4 block with a valid-according-to-CLTV transaction is accepted")
spendtx = cltv_validate(self.nodes[0], spendtx, CLTV_HEIGHT - 1)