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's819bcf9b99bip65-cltv-p2p.py is based on the earlier BIP66 P2P test by Suhas Daftuar'sd76412b068Rebased-From: 308257856099e82e91881ba97f741d840184727c
This commit is contained in:
Peter Todd
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#!/usr/bin/env python2
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#
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# Distributed under the MIT/X11 software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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from test_framework.test_framework import ComparisonTestFramework
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from test_framework.util import *
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from test_framework.mininode import CTransaction, NetworkThread
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from test_framework.blocktools import create_coinbase, create_block
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from test_framework.comptool import TestInstance, TestManager
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from test_framework.script import CScript, OP_1NEGATE, OP_NOP2, OP_DROP
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from binascii import hexlify, unhexlify
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import cStringIO
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import time
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def cltv_invalidate(tx):
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'''Modify the signature in vin 0 of the tx to fail CLTV
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Prepends -1 CLTV DROP in the scriptSig itself.
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'''
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tx.vin[0].scriptSig = CScript([OP_1NEGATE, OP_NOP2, OP_DROP] +
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list(CScript(tx.vin[0].scriptSig)))
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'''
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This test is meant to exercise BIP65 (CHECKLOCKTIMEVERIFY)
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Connect to a single node.
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Mine 2 (version 3) blocks (save the coinbases for later).
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Generate 98 more version 3 blocks, verify the node accepts.
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Mine 749 version 4 blocks, verify the node accepts.
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Check that the new CLTV rules are not enforced on the 750th version 4 block.
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Check that the new CLTV rules are enforced on the 751st version 4 block.
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Mine 199 new version blocks.
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Mine 1 old-version block.
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Mine 1 new version block.
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Mine 1 old version block, see that the node rejects.
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'''
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class BIP65Test(ComparisonTestFramework):
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def __init__(self):
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self.num_nodes = 1
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def setup_network(self):
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# Must set the blockversion for this test
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self.nodes = start_nodes(1, self.options.tmpdir,
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extra_args=[['-debug', '-whitelist=127.0.0.1', '-blockversion=3']],
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binary=[self.options.testbinary])
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def run_test(self):
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test = TestManager(self, self.options.tmpdir)
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test.add_all_connections(self.nodes)
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NetworkThread().start() # Start up network handling in another thread
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test.run()
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def create_transaction(self, node, coinbase, to_address, amount):
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from_txid = node.getblock(coinbase)['tx'][0]
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inputs = [{ "txid" : from_txid, "vout" : 0}]
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outputs = { to_address : amount }
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rawtx = node.createrawtransaction(inputs, outputs)
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signresult = node.signrawtransaction(rawtx)
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tx = CTransaction()
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f = cStringIO.StringIO(unhexlify(signresult['hex']))
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tx.deserialize(f)
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return tx
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def get_tests(self):
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self.coinbase_blocks = self.nodes[0].generate(2)
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self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0)
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self.nodeaddress = self.nodes[0].getnewaddress()
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self.last_block_time = time.time()
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''' 98 more version 3 blocks '''
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test_blocks = []
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for i in xrange(98):
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block = create_block(self.tip, create_coinbase(2), self.last_block_time + 1)
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block.nVersion = 3
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block.rehash()
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block.solve()
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test_blocks.append([block, True])
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self.last_block_time += 1
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self.tip = block.sha256
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yield TestInstance(test_blocks, sync_every_block=False)
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''' Mine 749 version 4 blocks '''
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test_blocks = []
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for i in xrange(749):
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block = create_block(self.tip, create_coinbase(2), self.last_block_time + 1)
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block.nVersion = 4
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block.rehash()
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block.solve()
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test_blocks.append([block, True])
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self.last_block_time += 1
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self.tip = block.sha256
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yield TestInstance(test_blocks, sync_every_block=False)
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'''
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Check that the new CLTV rules are not enforced in the 750th
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version 3 block.
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'''
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spendtx = self.create_transaction(self.nodes[0],
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self.coinbase_blocks[0], self.nodeaddress, 1.0)
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cltv_invalidate(spendtx)
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spendtx.rehash()
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block = create_block(self.tip, create_coinbase(2), self.last_block_time + 1)
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block.nVersion = 4
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block.vtx.append(spendtx)
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block.hashMerkleRoot = block.calc_merkle_root()
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block.rehash()
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block.solve()
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self.last_block_time += 1
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self.tip = block.sha256
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yield TestInstance([[block, True]])
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'''
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Check that the new CLTV rules are enforced in the 751st version 4
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block.
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'''
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spendtx = self.create_transaction(self.nodes[0],
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self.coinbase_blocks[1], self.nodeaddress, 1.0)
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cltv_invalidate(spendtx)
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spendtx.rehash()
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block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
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block.nVersion = 4
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block.vtx.append(spendtx)
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block.hashMerkleRoot = block.calc_merkle_root()
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block.rehash()
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block.solve()
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self.last_block_time += 1
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yield TestInstance([[block, False]])
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''' Mine 199 new version blocks on last valid tip '''
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test_blocks = []
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for i in xrange(199):
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block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
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block.nVersion = 4
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block.rehash()
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block.solve()
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test_blocks.append([block, True])
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self.last_block_time += 1
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self.tip = block.sha256
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yield TestInstance(test_blocks, sync_every_block=False)
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''' Mine 1 old version block '''
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block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
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block.nVersion = 3
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block.rehash()
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block.solve()
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self.last_block_time += 1
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self.tip = block.sha256
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yield TestInstance([[block, True]])
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''' Mine 1 new version block '''
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block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
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block.nVersion = 4
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block.rehash()
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block.solve()
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self.last_block_time += 1
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self.tip = block.sha256
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yield TestInstance([[block, True]])
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''' Mine 1 old version block, should be invalid '''
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block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
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block.nVersion = 3
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block.rehash()
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block.solve()
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self.last_block_time += 1
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yield TestInstance([[block, False]])
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if __name__ == '__main__':
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BIP65Test().main()
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#!/usr/bin/env python2
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# Copyright (c) 2015 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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# Test the CHECKLOCKTIMEVERIFY (BIP65) soft-fork logic
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#
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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import os
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import shutil
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class BIP65Test(BitcoinTestFramework):
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def setup_network(self):
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self.nodes = []
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self.nodes.append(start_node(0, self.options.tmpdir, []))
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self.nodes.append(start_node(1, self.options.tmpdir, ["-blockversion=3"]))
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self.nodes.append(start_node(2, self.options.tmpdir, ["-blockversion=4"]))
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connect_nodes(self.nodes[1], 0)
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connect_nodes(self.nodes[2], 0)
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self.is_network_split = False
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self.sync_all()
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def run_test(self):
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cnt = self.nodes[0].getblockcount()
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# Mine some old-version blocks
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self.nodes[1].generate(100)
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self.sync_all()
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if (self.nodes[0].getblockcount() != cnt + 100):
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raise AssertionError("Failed to mine 100 version=3 blocks")
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# Mine 750 new-version blocks
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for i in xrange(15):
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self.nodes[2].generate(50)
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self.sync_all()
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if (self.nodes[0].getblockcount() != cnt + 850):
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raise AssertionError("Failed to mine 750 version=4 blocks")
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# TODO: check that new CHECKLOCKTIMEVERIFY rules are not enforced
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# Mine 1 new-version block
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self.nodes[2].generate(1)
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self.sync_all()
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if (self.nodes[0].getblockcount() != cnt + 851):
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raise AssertionFailure("Failed to mine a version=4 blocks")
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# TODO: check that new CHECKLOCKTIMEVERIFY rules are enforced
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# Mine 198 new-version blocks
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for i in xrange(2):
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self.nodes[2].generate(99)
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self.sync_all()
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if (self.nodes[0].getblockcount() != cnt + 1049):
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raise AssertionError("Failed to mine 198 version=4 blocks")
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# Mine 1 old-version block
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self.nodes[1].generate(1)
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self.sync_all()
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if (self.nodes[0].getblockcount() != cnt + 1050):
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raise AssertionError("Failed to mine a version=3 block after 949 version=4 blocks")
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# Mine 1 new-version blocks
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self.nodes[2].generate(1)
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self.sync_all()
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if (self.nodes[0].getblockcount() != cnt + 1051):
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raise AssertionError("Failed to mine a version=3 block")
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# Mine 1 old-version blocks
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try:
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self.nodes[1].generate(1)
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raise AssertionError("Succeeded to mine a version=3 block after 950 version=4 blocks")
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except JSONRPCException:
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pass
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self.sync_all()
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if (self.nodes[0].getblockcount() != cnt + 1051):
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raise AssertionError("Accepted a version=3 block after 950 version=4 blocks")
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# Mine 1 new-version blocks
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self.nodes[2].generate(1)
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self.sync_all()
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if (self.nodes[0].getblockcount() != cnt + 1052):
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raise AssertionError("Failed to mine a version=4 block")
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if __name__ == '__main__':
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BIP65Test().main()
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