Differential D3080 Diff 8834 test/functional/feature_dersig.py

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test/functional/feature_dersig.py

#!/usr/bin/env python3		#!/usr/bin/env python3
# Copyright (c) 2015-2016 The Bitcoin Core developers		# Copyright (c) 2015-2016 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying		# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.		# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test BIP66 (DER SIG).		"""Test BIP66 (DER SIG).

Test that the DERSIG soft-fork activates at (regtest) height 1251.		Test that the DERSIG soft-fork activates at (regtest) height 1251.
"""		"""

from test_framework.blocktools import create_block, create_coinbase		from test_framework.blocktools import create_block, create_coinbase
from test_framework.messages import CTransaction, FromHex, msg_block		from test_framework.messages import CTransaction, FromHex, msg_block, ToHex
from test_framework.mininode import (		from test_framework.mininode import (
mininode_lock,		mininode_lock,
network_thread_start,		network_thread_start,
P2PInterface,		P2PInterface,
)		)
from test_framework.script import CScript		from test_framework.script import CScript
from test_framework.test_framework import BitcoinTestFramework		from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, wait_until		from test_framework.util import assert_equal, wait_until
Show All 31 Lines	def create_transaction(node, coinbase, to_address, amount):
rawtx = node.createrawtransaction(inputs, outputs)		rawtx = node.createrawtransaction(inputs, outputs)
signresult = node.signrawtransactionwithwallet(rawtx)		signresult = node.signrawtransactionwithwallet(rawtx)
return FromHex(CTransaction(), signresult['hex'])		return FromHex(CTransaction(), signresult['hex'])


class BIP66Test(BitcoinTestFramework):		class BIP66Test(BitcoinTestFramework):
def set_test_params(self):		def set_test_params(self):
self.num_nodes = 1		self.num_nodes = 1
self.extra_args = [		self.extra_args = [['-whitelist=127.0.0.1']]
['-promiscuousmempoolflags=1', '-whitelist=127.0.0.1']]
self.setup_clean_chain = True		self.setup_clean_chain = True

def run_test(self):		def run_test(self):
self.nodes[0].add_p2p_connection(P2PInterface())		self.nodes[0].add_p2p_connection(P2PInterface())

network_thread_start()		network_thread_start()

# wait_for_verack ensures that the P2P connection is fully up.		# wait_for_verack ensures that the P2P connection is fully up.
Show All 29 Lines	def run_test(self):
"Test that transactions with non-DER signatures cannot appear in a block")		"Test that transactions with non-DER signatures cannot appear in a block")
block.nVersion = 3		block.nVersion = 3

spendtx = create_transaction(self.nodes[0], self.coinbase_blocks[1],		spendtx = create_transaction(self.nodes[0], self.coinbase_blocks[1],
self.nodeaddress, 1.0)		self.nodeaddress, 1.0)
unDERify(spendtx)		unDERify(spendtx)
spendtx.rehash()		spendtx.rehash()

# Now we verify that a block with this transaction is invalid.		# First we show that this tx is valid except for DERSIG by getting it
		# rejected from the mempool for exactly that reason.
		assert_equal(
		[{'txid': spendtx.hash, 'allowed': False,
		'reject-reason': '16: mandatory-script-verify-flag-failed (Non-canonical DER signature)'}],
		self.nodes[0].testmempoolaccept(
		rawtxs=[ToHex(spendtx)], allowhighfees=True)
		)

		# Now we verify that a block with this transaction is also invalid.
block.vtx.append(spendtx)		block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()		block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()		block.rehash()
block.solve()		block.solve()

self.nodes[0].p2p.send_and_ping(msg_block(block))		self.nodes[0].p2p.send_and_ping(msg_block(block))
assert_equal(self.nodes[0].getbestblockhash(), tip)		assert_equal(self.nodes[0].getbestblockhash(), tip)

Show All 33 Lines