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Diffstat (limited to 'test/functional/bipdersig-p2p.py')
| -rwxr-xr-x | test/functional/bipdersig-p2p.py | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/test/functional/bipdersig-p2p.py b/test/functional/bipdersig-p2p.py deleted file mode 100755 index 3414571678..0000000000 --- a/test/functional/bipdersig-p2p.py +++ /dev/null @@ -1,153 +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 BIP66 (DER SIG). - -Test that the DERSIG soft-fork activates at (regtest) height 1251. -""" - -from test_framework.test_framework import BitcoinTestFramework -from test_framework.util import * -from test_framework.mininode import * -from test_framework.blocktools import create_coinbase, create_block -from test_framework.script import CScript -from io import BytesIO - -DERSIG_HEIGHT = 1251 - -# Reject codes that we might receive in this test -REJECT_INVALID = 16 -REJECT_OBSOLETE = 17 -REJECT_NONSTANDARD = 64 - -# 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] + b'\0' + i[-1:]) - else: - newscript.append(i) - tx.vin[0].scriptSig = CScript(newscript) - -def create_transaction(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) - signresult = node.signrawtransaction(rawtx) - tx = CTransaction() - tx.deserialize(BytesIO(hex_str_to_bytes(signresult['hex']))) - return tx - -class BIP66Test(BitcoinTestFramework): - def set_test_params(self): - self.num_nodes = 1 - self.extra_args = [['-promiscuousmempoolflags=1', '-whitelist=127.0.0.1']] - self.setup_clean_chain = True - - def run_test(self): - self.nodes[0].add_p2p_connection(P2PInterface()) - - network_thread_start() - - # wait_for_verack ensures that the P2P connection is fully up. - self.nodes[0].p2p.wait_for_verack() - - self.log.info("Mining %d blocks", DERSIG_HEIGHT - 2) - self.coinbase_blocks = self.nodes[0].generate(DERSIG_HEIGHT - 2) - self.nodeaddress = self.nodes[0].getnewaddress() - - self.log.info("Test that a transaction with non-DER signature can still appear in a block") - - spendtx = create_transaction(self.nodes[0], self.coinbase_blocks[0], - self.nodeaddress, 1.0) - unDERify(spendtx) - spendtx.rehash() - - tip = self.nodes[0].getbestblockhash() - block_time = self.nodes[0].getblockheader(tip)['mediantime'] + 1 - block = create_block(int(tip, 16), create_coinbase(DERSIG_HEIGHT - 1), block_time) - block.nVersion = 2 - block.vtx.append(spendtx) - block.hashMerkleRoot = block.calc_merkle_root() - block.rehash() - block.solve() - - self.nodes[0].p2p.send_and_ping(msg_block(block)) - assert_equal(self.nodes[0].getbestblockhash(), block.hash) - - self.log.info("Test that blocks must now be at least version 3") - tip = block.sha256 - block_time += 1 - block = create_block(tip, create_coinbase(DERSIG_HEIGHT), block_time) - block.nVersion = 2 - block.rehash() - block.solve() - self.nodes[0].p2p.send_and_ping(msg_block(block)) - assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) - - wait_until(lambda: "reject" in self.nodes[0].p2p.last_message.keys(), lock=mininode_lock) - with mininode_lock: - assert_equal(self.nodes[0].p2p.last_message["reject"].code, REJECT_OBSOLETE) - assert_equal(self.nodes[0].p2p.last_message["reject"].reason, b'bad-version(0x00000002)') - assert_equal(self.nodes[0].p2p.last_message["reject"].data, block.sha256) - del self.nodes[0].p2p.last_message["reject"] - - self.log.info("Test that transactions with non-DER signatures cannot appear in a block") - block.nVersion = 3 - - spendtx = create_transaction(self.nodes[0], self.coinbase_blocks[1], - self.nodeaddress, 1.0) - unDERify(spendtx) - spendtx.rehash() - - # First we show that this tx is valid except for DERSIG by getting it - # accepted to the mempool (which we can achieve with - # -promiscuousmempoolflags). - self.nodes[0].p2p.send_and_ping(msg_tx(spendtx)) - assert spendtx.hash in self.nodes[0].getrawmempool() - - # Now we verify that a block with this transaction is invalid. - block.vtx.append(spendtx) - block.hashMerkleRoot = block.calc_merkle_root() - block.rehash() - block.solve() - - self.nodes[0].p2p.send_and_ping(msg_block(block)) - assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) - - wait_until(lambda: "reject" in self.nodes[0].p2p.last_message.keys(), lock=mininode_lock) - with mininode_lock: - # We can receive different reject messages depending on whether - # bitcoind is running with multiple script check threads. If script - # check threads are not in use, then transaction script validation - # happens sequentially, and bitcoind produces more specific reject - # reasons. - assert self.nodes[0].p2p.last_message["reject"].code in [REJECT_INVALID, REJECT_NONSTANDARD] - assert_equal(self.nodes[0].p2p.last_message["reject"].data, block.sha256) - if self.nodes[0].p2p.last_message["reject"].code == REJECT_INVALID: - # Generic rejection when a block is invalid - assert_equal(self.nodes[0].p2p.last_message["reject"].reason, b'block-validation-failed') - else: - assert b'Non-canonical DER signature' in self.nodes[0].p2p.last_message["reject"].reason - - self.log.info("Test that a version 3 block with a DERSIG-compliant transaction is accepted") - block.vtx[1] = create_transaction(self.nodes[0], - self.coinbase_blocks[1], self.nodeaddress, 1.0) - block.hashMerkleRoot = block.calc_merkle_root() - block.rehash() - block.solve() - - self.nodes[0].p2p.send_and_ping(msg_block(block)) - assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256) - -if __name__ == '__main__': - BIP66Test().main() |