aboutsummaryrefslogtreecommitdiff
path: root/test/functional/feature_bip9_softforks.py
diff options
context:
space:
mode:
Diffstat (limited to 'test/functional/feature_bip9_softforks.py')
-rwxr-xr-xtest/functional/feature_bip9_softforks.py283
1 files changed, 0 insertions, 283 deletions
diff --git a/test/functional/feature_bip9_softforks.py b/test/functional/feature_bip9_softforks.py
deleted file mode 100755
index ac6176e976..0000000000
--- a/test/functional/feature_bip9_softforks.py
+++ /dev/null
@@ -1,283 +0,0 @@
-#!/usr/bin/env python3
-# Copyright (c) 2015-2017 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 BIP 9 soft 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
-"""
-from io import BytesIO
-import shutil
-import time
-import itertools
-
-from test_framework.test_framework import ComparisonTestFramework
-from test_framework.util import *
-from test_framework.mininode import CTransaction, network_thread_start
-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
-
-class BIP9SoftForksTest(ComparisonTestFramework):
- def set_test_params(self):
- self.num_nodes = 1
- self.extra_args = [['-whitelist=127.0.0.1']]
- self.setup_clean_chain = True
-
- def run_test(self):
- self.test = TestManager(self, self.options.tmpdir)
- self.test.add_all_connections(self.nodes)
- network_thread_start()
- 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.signrawtransactionwithwallet(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):
- 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)
- assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 0)
- assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 0)
- 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 1-A
- # check stats after max number of "signalling not" blocks such that LOCKED_IN still possible this period
- test_blocks = self.generate_blocks(36, 4, test_blocks) # 0x00000004 (signalling not)
- test_blocks = self.generate_blocks(10, activated_version) # 0x20000001 (signalling ready)
- yield TestInstance(test_blocks, sync_every_block=False)
-
- assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 46)
- assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 10)
- assert_equal(self.get_bip9_status(bipName)['statistics']['possible'], True)
-
- # Test 1-B
- # check stats after one additional "signalling not" block -- LOCKED_IN no longer possible this period
- test_blocks = self.generate_blocks(1, 4, test_blocks) # 0x00000004 (signalling not)
- yield TestInstance(test_blocks, sync_every_block=False)
-
- assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 47)
- assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 10)
- assert_equal(self.get_bip9_status(bipName)['statistics']['possible'], False)
-
- # Test 1-C
- # finish period with "ready" blocks, but soft fork will still fail to advance to LOCKED_IN
- test_blocks = self.generate_blocks(97, activated_version) # 0x20000001 (signalling ready)
- yield TestInstance(test_blocks, sync_every_block=False)
-
- assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 0)
- assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 0)
- assert_equal(self.get_bip9_status(bipName)['statistics']['possible'], True)
- assert_equal(self.get_bip9_status(bipName)['status'], 'started')
-
- # 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)
- assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 0)
- assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 0)
- 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(57, 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)
-
- # check counting stats and "possible" flag before last block of this period achieves LOCKED_IN...
- assert_equal(self.get_bip9_status(bipName)['statistics']['elapsed'], 143)
- assert_equal(self.get_bip9_status(bipName)['statistics']['count'], 107)
- assert_equal(self.get_bip9_status(bipName)['statistics']['possible'], True)
- assert_equal(self.get_bip9_status(bipName)['status'], 'started')
-
- # ...continue with Test 3
- test_blocks = self.generate_blocks(1, activated_version) # 0x20000001 (signalling ready)
- 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'], 576)
- 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'], 576)
- 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'], 720)
- 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.clear_all_connections()
- self.stop_nodes()
- self.nodes = []
- shutil.rmtree(get_datadir_path(self.options.tmpdir, 0))
- self.setup_chain()
- self.setup_network()
- self.test.add_all_connections(self.nodes)
- network_thread_start()
- self.test.p2p_connections[0].wait_for_verack()
-
- 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()