Repair tests for strict DER signatures.

While we're at it, repair a similar test for CLTV, and make the repaired RPC tests run by default.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Daira Hopwood
2017-05-10 12:42:00 +01:00
parent de609b8c54
commit 4a785b0a5b
8 changed files with 117 additions and 386 deletions

View File

@@ -40,10 +40,10 @@ testScripts=(
'zcjoinsplit.py'
'zcjoinsplitdoublespend.py'
'getblocktemplate.py'
'bip65-cltv-p2p.py'
'bipdersig-p2p.py'
);
testScriptsExt=(
'bipdersig-p2p.py'
'bipdersig.py'
'getblocktemplate_longpoll.py'
'getblocktemplate_proposals.py'
'pruning.py'

View File

@@ -5,35 +5,24 @@
#
from test_framework.test_framework import ComparisonTestFramework
from test_framework.util import *
from test_framework.util import start_nodes
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
from binascii import 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)
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.
Mine a coinbase block, and then ...
Mine 1 version 4 block.
Check that the CLTV rules are enforced.
TODO: factor out common code from {bipdersig-p2p,bip65-cltv-p2p}.py.
'''
class BIP65Test(ComparisonTestFramework):
@@ -42,14 +31,14 @@ class BIP65Test(ComparisonTestFramework):
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']],
extra_args=[['-debug', '-whitelist=127.0.0.1']],
binary=[self.options.testbinary])
self.is_network_split = False
def run_test(self):
test = TestManager(self, self.options.tmpdir)
test.add_all_connections(self.nodes)
# Don't call test.add_all_connections because there is only one node.
NetworkThread().start() # Start up network handling in another thread
test.run()
@@ -64,112 +53,40 @@ class BIP65Test(ComparisonTestFramework):
tx.deserialize(f)
return tx
def get_tests(self):
def invalidate_transaction(self, tx):
'''
Modify the signature in vin 0 of the tx to fail CLTV
self.coinbase_blocks = self.nodes[0].generate(2)
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)))
def get_tests(self):
self.coinbase_blocks = self.nodes[0].generate(1)
self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0)
self.nodeaddress = self.nodes[0].getnewaddress()
self.last_block_time = time.time()
self.block_time = time.time() + 1
''' 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)
'''Check that the rules are enforced.'''
for valid in (True, False):
spendtx = self.create_transaction(self.nodes[0],
self.coinbase_blocks[0],
self.nodeaddress, 1.0)
if not valid:
self.invalidate_transaction(spendtx)
spendtx.rehash()
''' 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 = create_block(self.tip, create_coinbase(1), self.block_time)
block.nVersion = 4
block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()
block.solve()
test_blocks.append([block, True])
self.last_block_time += 1
self.block_time += 1
self.tip = block.sha256
yield TestInstance(test_blocks, sync_every_block=False)
yield TestInstance([[block, valid]])
'''
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()

View File

@@ -5,59 +5,39 @@
#
from test_framework.test_framework import ComparisonTestFramework
from test_framework.util import *
from test_framework.util import start_nodes
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
from binascii import hexlify, unhexlify
from binascii import unhexlify
import cStringIO
import time
# A canonical signature consists of:
# <30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype>
def unDERify(tx):
'''
Make the signature in vin 0 of a tx non-DER-compliant,
by adding padding after the S-value.
'''
scriptSig = CScript(tx.vin[0].scriptSig)
newscript = []
for i in scriptSig:
if (len(newscript) == 0):
newscript.append(i[0:-1] + '\0' + i[-1])
else:
newscript.append(i)
tx.vin[0].scriptSig = CScript(newscript)
'''
This test is meant to exercise BIP66 (DER SIG).
Connect to a single node.
Mine 2 (version 2) blocks (save the coinbases for later).
Generate 98 more version 2 blocks, verify the node accepts.
Mine 749 version 3 blocks, verify the node accepts.
Check that the new DERSIG rules are not enforced on the 750th version 3 block.
Check that the new DERSIG rules are enforced on the 751st version 3 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.
Mine a coinbase block, and then ...
Mine 1 version 4 block.
Check that the DERSIG rules are enforced.
TODO: factor out common code from {bipdersig-p2p,bip65-cltv-p2p}.py.
'''
class BIP66Test(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=2']],
self.nodes = start_nodes(1, self.options.tmpdir,
extra_args=[['-debug', '-whitelist=127.0.0.1']],
binary=[self.options.testbinary])
self.is_network_split = False
def run_test(self):
test = TestManager(self, self.options.tmpdir)
test.add_all_connections(self.nodes)
# Don't call test.add_all_connections because there is only one node.
NetworkThread().start() # Start up network handling in another thread
test.run()
@@ -72,112 +52,48 @@ class BIP66Test(ComparisonTestFramework):
tx.deserialize(f)
return tx
def get_tests(self):
def invalidate_transaction(self, tx):
'''
Make the signature in vin 0 of a tx non-DER-compliant,
by adding padding after the S-value.
self.coinbase_blocks = self.nodes[0].generate(2)
A canonical signature consists of:
<30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype>
'''
scriptSig = CScript(tx.vin[0].scriptSig)
newscript = []
for i in scriptSig:
if (len(newscript) == 0):
newscript.append(i[0:-1] + '\0' + i[-1])
else:
newscript.append(i)
tx.vin[0].scriptSig = CScript(newscript)
def get_tests(self):
self.coinbase_blocks = self.nodes[0].generate(1)
self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0)
self.nodeaddress = self.nodes[0].getnewaddress()
self.last_block_time = time.time()
self.block_time = time.time() + 1
''' 98 more version 2 blocks '''
test_blocks = []
for i in xrange(98):
block = create_block(self.tip, create_coinbase(2), self.last_block_time + 1)
block.nVersion = 2
'''Check that the rules are enforced.'''
for valid in (True, False):
spendtx = self.create_transaction(self.nodes[0],
self.coinbase_blocks[0],
self.nodeaddress, 1.0)
if not valid:
self.invalidate_transaction(spendtx)
spendtx.rehash()
block = create_block(self.tip, create_coinbase(1), self.block_time)
block.nVersion = 4
block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()
block.solve()
test_blocks.append([block, True])
self.last_block_time += 1
self.block_time += 1
self.tip = block.sha256
yield TestInstance(test_blocks, sync_every_block=False)
yield TestInstance([[block, valid]])
''' Mine 749 version 3 blocks '''
test_blocks = []
for i in xrange(749):
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)
'''
Check that the new DERSIG 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)
unDERify(spendtx)
spendtx.rehash()
block = create_block(self.tip, create_coinbase(2), self.last_block_time + 1)
block.nVersion = 3
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 DERSIG rules are enforced in the 751st version 3
block.
'''
spendtx = self.create_transaction(self.nodes[0],
self.coinbase_blocks[1], self.nodeaddress, 1.0)
unDERify(spendtx)
spendtx.rehash()
block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
block.nVersion = 3
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 = 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 1 old version block '''
block = create_block(self.tip, create_coinbase(1), self.last_block_time + 1)
block.nVersion = 2
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 = 3
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 = 2
block.rehash()
block.solve()
self.last_block_time += 1
yield TestInstance([[block, False]])
if __name__ == '__main__':
BIP66Test().main()

View File

@@ -1,89 +0,0 @@
#!/usr/bin/env python2
# Copyright (c) 2014 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 BIP66 changeover logic
#
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
import os
import shutil
class BIP66Test(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=2"]))
self.nodes.append(start_node(2, self.options.tmpdir, ["-blockversion=3"]))
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=2 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=3 blocks")
# TODO: check that new DERSIG 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=3 blocks")
# TODO: check that new DERSIG 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=3 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=2 block after 949 version=3 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=3 block")
# Mine 1 old-version blocks
try:
self.nodes[1].generate(1)
raise AssertionError("Succeeded to mine a version=2 block after 950 version=3 blocks")
except JSONRPCException:
pass
self.sync_all()
if (self.nodes[0].getblockcount() != cnt + 1051):
raise AssertionError("Accepted a version=2 block after 950 version=3 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=3 block")
if __name__ == '__main__':
BIP66Test().main()

View File

@@ -54,9 +54,8 @@ class ScriptTestFile(object):
# Helper for parsing the flags specified in the .json files
SCRIPT_VERIFY_NONE = 0
SCRIPT_VERIFY_P2SH = 1
SCRIPT_VERIFY_P2SH = 1
SCRIPT_VERIFY_STRICTENC = 1 << 1
SCRIPT_VERIFY_DERSIG = 1 << 2
SCRIPT_VERIFY_LOW_S = 1 << 3
SCRIPT_VERIFY_NULLDUMMY = 1 << 4
SCRIPT_VERIFY_SIGPUSHONLY = 1 << 5
@@ -64,12 +63,11 @@ SCRIPT_VERIFY_MINIMALDATA = 1 << 6
SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS = 1 << 7
SCRIPT_VERIFY_CLEANSTACK = 1 << 8
flag_map = {
flag_map = {
"": SCRIPT_VERIFY_NONE,
"NONE": SCRIPT_VERIFY_NONE,
"NONE": SCRIPT_VERIFY_NONE,
"P2SH": SCRIPT_VERIFY_P2SH,
"STRICTENC": SCRIPT_VERIFY_STRICTENC,
"DERSIG": SCRIPT_VERIFY_DERSIG,
"LOW_S": SCRIPT_VERIFY_LOW_S,
"NULLDUMMY": SCRIPT_VERIFY_NULLDUMMY,
"SIGPUSHONLY": SCRIPT_VERIFY_SIGPUSHONLY,