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Add RPC tests for the CHECKLOCKTIMEVERIFY (BIP65) soft-fork

bip65-cltv.py is based on the earlier BIP66 soft-fork RPC test
implemented by Pieter Wuille's 819bcf9b99

bip65-cltv-p2p.py is based on the earlier BIP66 P2P test by Suhas
Daftuar's d76412b068
tags/v0.15.1
Peter Todd 6 years ago
parent
commit
cde7ab2d4e
3 changed files with 266 additions and 0 deletions
  1. 2
    0
      qa/pull-tester/rpc-tests.py
  2. 175
    0
      qa/rpc-tests/bip65-cltv-p2p.py
  3. 89
    0
      qa/rpc-tests/bip65-cltv.py

+ 2
- 0
qa/pull-tester/rpc-tests.py View File

@@ -69,6 +69,8 @@ testScripts = [
'p2p-fullblocktest.py',
]
testScriptsExt = [
'bip65-cltv.py',
'bip65-cltv-p2p.py',
'bipdersig-p2p.py',
'bipdersig.py',
'getblocktemplate_longpoll.py',

+ 175
- 0
qa/rpc-tests/bip65-cltv-p2p.py View File

@@ -0,0 +1,175 @@
#!/usr/bin/env python2
#
# Distributed under the MIT/X11 software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#

from test_framework.test_framework import ComparisonTestFramework
from test_framework.util import *
from test_framework.mininode import CTransaction, NetworkThread
from test_framework.blocktools import create_coinbase, create_block
from test_framework.comptool import TestInstance, TestManager
from test_framework.script import CScript, OP_1NEGATE, OP_NOP2, OP_DROP
from binascii import hexlify, unhexlify
import cStringIO
import time

def cltv_invalidate(tx):
'''Modify the signature in vin 0 of the tx to fail CLTV

Prepends -1 CLTV DROP in the scriptSig itself.
'''
tx.vin[0].scriptSig = CScript([OP_1NEGATE, OP_NOP2, OP_DROP] +
list(CScript(tx.vin[0].scriptSig)))

'''
This test is meant to exercise BIP65 (CHECKLOCKTIMEVERIFY)
Connect to a single node.
Mine 2 (version 3) blocks (save the coinbases for later).
Generate 98 more version 3 blocks, verify the node accepts.
Mine 749 version 4 blocks, verify the node accepts.
Check that the new CLTV rules are not enforced on the 750th version 4 block.
Check that the new CLTV rules are enforced on the 751st version 4 block.
Mine 199 new version blocks.
Mine 1 old-version block.
Mine 1 new version block.
Mine 1 old version block, see that the node rejects.
'''

class BIP65Test(ComparisonTestFramework):

def __init__(self):
self.num_nodes = 1

def setup_network(self):
# Must set the blockversion for this test
self.nodes = start_nodes(1, self.options.tmpdir,
extra_args=[['-debug', '-whitelist=127.0.0.1', '-blockversion=3']],
binary=[self.options.testbinary])

def run_test(self):
test = TestManager(self, self.options.tmpdir)
test.add_all_connections(self.nodes)
NetworkThread().start() # Start up network handling in another thread
test.run()

def create_transaction(self, node, coinbase, to_address, amount):
from_txid = node.getblock(coinbase)['tx'][0]
inputs = [{ "txid" : from_txid, "vout" : 0}]
outputs = { to_address : amount }
rawtx = node.createrawtransaction(inputs, outputs)
signresult = node.signrawtransaction(rawtx)
tx = CTransaction()
f = cStringIO.StringIO(unhexlify(signresult['hex']))
tx.deserialize(f)
return tx

def get_tests(self):

self.coinbase_blocks = self.nodes[0].generate(2)
self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0)
self.nodeaddress = self.nodes[0].getnewaddress()
self.last_block_time = time.time()

''' 98 more version 3 blocks '''
test_blocks = []
for i in xrange(98):
block = create_block(self.tip, create_coinbase(2), self.last_block_time + 1)
block.nVersion = 3
block.rehash()
block.solve()
test_blocks.append([block, True])
self.last_block_time += 1
self.tip = block.sha256
yield TestInstance(test_blocks, sync_every_block=False)

''' Mine 749 version 4 blocks '''
test_blocks = []
for i in xrange(749):
block = create_block(self.tip, create_coinbase(2), self.last_block_time + 1)
block.nVersion = 4
block.rehash()
block.solve()
test_blocks.append([block, True])
self.last_block_time += 1
self.tip = block.sha256
yield TestInstance(test_blocks, sync_every_block=False)

'''
Check that the new CLTV rules are not enforced in the 750th
version 3 block.
'''
spendtx = self.create_transaction(self.nodes[0],
self.coinbase_blocks[0], self.nodeaddress, 1.0)
cltv_invalidate(spendtx)
spendtx.rehash()

block = create_block(self.tip, create_coinbase(2), self.last_block_time + 1)
block.nVersion = 4
block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()
block.solve()

self.last_block_time += 1
self.tip = block.sha256
yield TestInstance([[block, True]])

'''
Check that the new CLTV rules are enforced in the 751st version 4
block.
'''
spendtx = self.create_transaction(self.nodes[0],
self.coinbase_blocks[1], self.nodeaddress, 1.0)
cltv_invalidate(spendtx)
spendtx.rehash()

block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
block.nVersion = 4
block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()
block.solve()
self.last_block_time += 1
yield TestInstance([[block, False]])

''' Mine 199 new version blocks on last valid tip '''
test_blocks = []
for i in xrange(199):
block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
block.nVersion = 4
block.rehash()
block.solve()
test_blocks.append([block, True])
self.last_block_time += 1
self.tip = block.sha256
yield TestInstance(test_blocks, sync_every_block=False)

''' Mine 1 old version block '''
block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
block.nVersion = 3
block.rehash()
block.solve()
self.last_block_time += 1
self.tip = block.sha256
yield TestInstance([[block, True]])

''' Mine 1 new version block '''
block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
block.nVersion = 4
block.rehash()
block.solve()
self.last_block_time += 1
self.tip = block.sha256
yield TestInstance([[block, True]])

''' Mine 1 old version block, should be invalid '''
block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
block.nVersion = 3
block.rehash()
block.solve()
self.last_block_time += 1
yield TestInstance([[block, False]])

if __name__ == '__main__':
BIP65Test().main()

+ 89
- 0
qa/rpc-tests/bip65-cltv.py View File

@@ -0,0 +1,89 @@
#!/usr/bin/env python2
# Copyright (c) 2015 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.

#
# Test the CHECKLOCKTIMEVERIFY (BIP65) soft-fork logic
#

from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
import os
import shutil

class BIP65Test(BitcoinTestFramework):

def setup_network(self):
self.nodes = []
self.nodes.append(start_node(0, self.options.tmpdir, []))
self.nodes.append(start_node(1, self.options.tmpdir, ["-blockversion=3"]))
self.nodes.append(start_node(2, self.options.tmpdir, ["-blockversion=4"]))
connect_nodes(self.nodes[1], 0)
connect_nodes(self.nodes[2], 0)
self.is_network_split = False
self.sync_all()

def run_test(self):
cnt = self.nodes[0].getblockcount()

# Mine some old-version blocks
self.nodes[1].generate(100)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 100):
raise AssertionError("Failed to mine 100 version=3 blocks")

# Mine 750 new-version blocks
for i in xrange(15):
self.nodes[2].generate(50)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 850):
raise AssertionError("Failed to mine 750 version=4 blocks")

# TODO: check that new CHECKLOCKTIMEVERIFY rules are not enforced

# Mine 1 new-version block
self.nodes[2].generate(1)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 851):
raise AssertionFailure("Failed to mine a version=4 blocks")

# TODO: check that new CHECKLOCKTIMEVERIFY rules are enforced

# Mine 198 new-version blocks
for i in xrange(2):
self.nodes[2].generate(99)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1049):
raise AssertionError("Failed to mine 198 version=4 blocks")

# Mine 1 old-version block
self.nodes[1].generate(1)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1050):
raise AssertionError("Failed to mine a version=3 block after 949 version=4 blocks")

# Mine 1 new-version blocks
self.nodes[2].generate(1)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1051):
raise AssertionError("Failed to mine a version=4 block")

# Mine 1 old-version blocks
try:
self.nodes[1].generate(1)
raise AssertionError("Succeeded to mine a version=3 block after 950 version=4 blocks")
except JSONRPCException:
pass
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1051):
raise AssertionError("Accepted a version=3 block after 950 version=4 blocks")

# Mine 1 new-version blocks
self.nodes[2].generate(1)
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1052):
raise AssertionError("Failed to mine a version=4 block")

if __name__ == '__main__':
BIP65Test().main()

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