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Diffstat (limited to 'test/functional/feature_bip9_softforks.py')
| -rwxr-xr-x | test/functional/feature_bip9_softforks.py | 283 |
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() |