mirror of
https://github.com/dashpay/dash.git
synced 2024-12-26 12:32:48 +01:00
249 lines
10 KiB
Python
Executable File
249 lines
10 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# 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.
|
|
|
|
from test_framework.blockstore import BlockStore
|
|
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_CHECKSEQUENCEVERIFY, OP_DROP
|
|
from io import BytesIO
|
|
import time
|
|
import itertools
|
|
|
|
'''
|
|
This test is meant to exercise BIP forks
|
|
Connect to a single node.
|
|
regtest lock-in with 108/144 block signalling
|
|
activation after a further 144 blocks
|
|
mine 2 block and save coinbases for later use
|
|
mine 141 blocks to transition from DEFINED to STARTED
|
|
mine 100 blocks signalling readiness and 44 not in order to fail to change state this period
|
|
mine 108 blocks signalling readiness and 36 blocks not signalling readiness (STARTED->LOCKED_IN)
|
|
mine a further 143 blocks (LOCKED_IN)
|
|
test that enforcement has not triggered (which triggers ACTIVE)
|
|
test that enforcement has triggered
|
|
'''
|
|
|
|
|
|
class BIP9SoftForksTest(ComparisonTestFramework):
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.num_nodes = 1
|
|
|
|
def setup_network(self):
|
|
self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
|
|
extra_args=[['-debug', '-whitelist=127.0.0.1']],
|
|
binary=[self.options.testbinary])
|
|
|
|
def run_test(self):
|
|
self.test = TestManager(self, self.options.tmpdir)
|
|
self.test.add_all_connections(self.nodes)
|
|
NetworkThread().start() # Start up network handling in another thread
|
|
self.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)
|
|
tx = CTransaction()
|
|
f = BytesIO(hex_str_to_bytes(rawtx))
|
|
tx.deserialize(f)
|
|
tx.nVersion = 2
|
|
return tx
|
|
|
|
def sign_transaction(self, node, tx):
|
|
signresult = node.signrawtransaction(bytes_to_hex_str(tx.serialize()))
|
|
tx = CTransaction()
|
|
f = BytesIO(hex_str_to_bytes(signresult['hex']))
|
|
tx.deserialize(f)
|
|
return tx
|
|
|
|
def generate_blocks(self, number, version, test_blocks = []):
|
|
for i in range(number):
|
|
block = create_block(self.tip, create_coinbase(self.height), self.last_block_time + 1)
|
|
block.nVersion = version
|
|
block.rehash()
|
|
block.solve()
|
|
test_blocks.append([block, True])
|
|
self.last_block_time += 1
|
|
self.tip = block.sha256
|
|
self.height += 1
|
|
return test_blocks
|
|
|
|
def get_bip9_status(self, key):
|
|
info = self.nodes[0].getblockchaininfo()
|
|
return info['bip9_softforks'][key]
|
|
|
|
def test_BIP(self, bipName, activated_version, invalidate, invalidatePostSignature, bitno):
|
|
wait_to_sync(self.nodes[0])
|
|
assert_equal(self.get_bip9_status(bipName)['status'], 'defined')
|
|
assert_equal(self.get_bip9_status(bipName)['since'], 0)
|
|
# generate some coins for later
|
|
self.coinbase_blocks = self.nodes[0].generate(2)
|
|
self.height = 3 # height of the next block to build
|
|
self.tip = int("0x" + self.nodes[0].getbestblockhash(), 0)
|
|
self.nodeaddress = self.nodes[0].getnewaddress()
|
|
self.last_block_time = int(time.time())
|
|
|
|
assert_equal(self.get_bip9_status(bipName)['status'], 'defined')
|
|
assert_equal(self.get_bip9_status(bipName)['since'], 0)
|
|
tmpl = self.nodes[0].getblocktemplate({})
|
|
assert(bipName not in tmpl['rules'])
|
|
assert(bipName not in tmpl['vbavailable'])
|
|
assert_equal(tmpl['vbrequired'], 0)
|
|
assert_equal(tmpl['version'], 0x20000000)
|
|
|
|
# Test 1
|
|
# Advance from DEFINED to STARTED
|
|
test_blocks = self.generate_blocks(141, 4)
|
|
yield TestInstance(test_blocks, sync_every_block=False)
|
|
|
|
assert_equal(self.get_bip9_status(bipName)['status'], 'started')
|
|
assert_equal(self.get_bip9_status(bipName)['since'], 144)
|
|
tmpl = self.nodes[0].getblocktemplate({})
|
|
assert(bipName not in tmpl['rules'])
|
|
assert_equal(tmpl['vbavailable'][bipName], bitno)
|
|
assert_equal(tmpl['vbrequired'], 0)
|
|
assert(tmpl['version'] & activated_version)
|
|
|
|
# Test 2
|
|
# Fail to achieve LOCKED_IN 100 out of 144 signal bit 1
|
|
# using a variety of bits to simulate multiple parallel softforks
|
|
test_blocks = self.generate_blocks(50, activated_version) # 0x20000001 (signalling ready)
|
|
test_blocks = self.generate_blocks(20, 4, test_blocks) # 0x00000004 (signalling not)
|
|
test_blocks = self.generate_blocks(50, activated_version, test_blocks) # 0x20000101 (signalling ready)
|
|
test_blocks = self.generate_blocks(24, 4, test_blocks) # 0x20010000 (signalling not)
|
|
yield TestInstance(test_blocks, sync_every_block=False)
|
|
|
|
assert_equal(self.get_bip9_status(bipName)['status'], 'started')
|
|
assert_equal(self.get_bip9_status(bipName)['since'], 144)
|
|
tmpl = self.nodes[0].getblocktemplate({})
|
|
assert(bipName not in tmpl['rules'])
|
|
assert_equal(tmpl['vbavailable'][bipName], bitno)
|
|
assert_equal(tmpl['vbrequired'], 0)
|
|
assert(tmpl['version'] & activated_version)
|
|
|
|
# Test 3
|
|
# 108 out of 144 signal bit 1 to achieve LOCKED_IN
|
|
# using a variety of bits to simulate multiple parallel softforks
|
|
test_blocks = self.generate_blocks(58, activated_version) # 0x20000001 (signalling ready)
|
|
test_blocks = self.generate_blocks(26, 4, test_blocks) # 0x00000004 (signalling not)
|
|
test_blocks = self.generate_blocks(50, activated_version, test_blocks) # 0x20000101 (signalling ready)
|
|
test_blocks = self.generate_blocks(10, 4, test_blocks) # 0x20010000 (signalling not)
|
|
yield TestInstance(test_blocks, sync_every_block=False)
|
|
|
|
assert_equal(self.get_bip9_status(bipName)['status'], 'locked_in')
|
|
assert_equal(self.get_bip9_status(bipName)['since'], 432)
|
|
tmpl = self.nodes[0].getblocktemplate({})
|
|
assert(bipName not in tmpl['rules'])
|
|
|
|
# Test 4
|
|
# 143 more version 536870913 blocks (waiting period-1)
|
|
test_blocks = self.generate_blocks(143, 4)
|
|
yield TestInstance(test_blocks, sync_every_block=False)
|
|
|
|
assert_equal(self.get_bip9_status(bipName)['status'], 'locked_in')
|
|
assert_equal(self.get_bip9_status(bipName)['since'], 432)
|
|
tmpl = self.nodes[0].getblocktemplate({})
|
|
assert(bipName not in tmpl['rules'])
|
|
|
|
# Test 5
|
|
# Check that the new rule is enforced
|
|
spendtx = self.create_transaction(self.nodes[0],
|
|
self.coinbase_blocks[0], self.nodeaddress, 1.0)
|
|
invalidate(spendtx)
|
|
spendtx = self.sign_transaction(self.nodes[0], spendtx)
|
|
spendtx.rehash()
|
|
invalidatePostSignature(spendtx)
|
|
spendtx.rehash()
|
|
block = create_block(self.tip, create_coinbase(self.height), self.last_block_time + 1)
|
|
block.nVersion = activated_version
|
|
block.vtx.append(spendtx)
|
|
block.hashMerkleRoot = block.calc_merkle_root()
|
|
block.rehash()
|
|
block.solve()
|
|
|
|
self.last_block_time += 1
|
|
self.tip = block.sha256
|
|
self.height += 1
|
|
yield TestInstance([[block, True]])
|
|
|
|
assert_equal(self.get_bip9_status(bipName)['status'], 'active')
|
|
assert_equal(self.get_bip9_status(bipName)['since'], 576)
|
|
tmpl = self.nodes[0].getblocktemplate({})
|
|
assert(bipName in tmpl['rules'])
|
|
assert(bipName not in tmpl['vbavailable'])
|
|
assert_equal(tmpl['vbrequired'], 0)
|
|
assert(not (tmpl['version'] & (1 << bitno)))
|
|
|
|
# Test 6
|
|
# Check that the new sequence lock rules are enforced
|
|
spendtx = self.create_transaction(self.nodes[0],
|
|
self.coinbase_blocks[1], self.nodeaddress, 1.0)
|
|
invalidate(spendtx)
|
|
spendtx = self.sign_transaction(self.nodes[0], spendtx)
|
|
spendtx.rehash()
|
|
invalidatePostSignature(spendtx)
|
|
spendtx.rehash()
|
|
|
|
block = create_block(self.tip, create_coinbase(self.height), self.last_block_time + 1)
|
|
block.nVersion = 5
|
|
block.vtx.append(spendtx)
|
|
block.hashMerkleRoot = block.calc_merkle_root()
|
|
block.rehash()
|
|
block.solve()
|
|
self.last_block_time += 1
|
|
yield TestInstance([[block, False]])
|
|
|
|
# Restart all
|
|
self.test.block_store.close()
|
|
stop_nodes(self.nodes)
|
|
shutil.rmtree(self.options.tmpdir)
|
|
self.setup_chain()
|
|
self.setup_network()
|
|
self.test.block_store = BlockStore(self.options.tmpdir)
|
|
self.test.clear_all_connections()
|
|
self.test.add_all_connections(self.nodes)
|
|
NetworkThread().start() # Start up network handling in another thread
|
|
|
|
|
|
def get_tests(self):
|
|
for test in itertools.chain(
|
|
self.test_BIP('csv', 0x20000001, self.sequence_lock_invalidate, self.donothing, 0),
|
|
self.test_BIP('csv', 0x20000001, self.mtp_invalidate, self.donothing, 0),
|
|
self.test_BIP('csv', 0x20000001, self.donothing, self.csv_invalidate, 0)
|
|
):
|
|
yield test
|
|
|
|
def donothing(self, tx):
|
|
return
|
|
|
|
def csv_invalidate(self, tx):
|
|
'''Modify the signature in vin 0 of the tx to fail CSV
|
|
Prepends -1 CSV DROP in the scriptSig itself.
|
|
'''
|
|
tx.vin[0].scriptSig = CScript([OP_1NEGATE, OP_CHECKSEQUENCEVERIFY, OP_DROP] +
|
|
list(CScript(tx.vin[0].scriptSig)))
|
|
|
|
def sequence_lock_invalidate(self, tx):
|
|
'''Modify the nSequence to make it fails once sequence lock rule is activated (high timespan)
|
|
'''
|
|
tx.vin[0].nSequence = 0x00FFFFFF
|
|
tx.nLockTime = 0
|
|
|
|
def mtp_invalidate(self, tx):
|
|
'''Modify the nLockTime to make it fails once MTP rule is activated
|
|
'''
|
|
# Disable Sequence lock, Activate nLockTime
|
|
tx.vin[0].nSequence = 0x90FFFFFF
|
|
tx.nLockTime = self.last_block_time
|
|
|
|
if __name__ == '__main__':
|
|
BIP9SoftForksTest().main()
|