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test/functional/feature_dersig.py
| #!/usr/bin/env python3 | #!/usr/bin/env python3 | ||||
| # Copyright (c) 2015-2019 The Bitcoin Core developers | # Copyright (c) 2015-2019 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, create_transaction | ||||
| from test_framework.messages import CTransaction, FromHex, msg_block, ToHex | from test_framework.messages import msg_block, ToHex | ||||
| from test_framework.mininode import ( | from test_framework.mininode import ( | ||||
| mininode_lock, | mininode_lock, | ||||
| 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 18 Lines | def unDERify(tx): | ||||
| for i in scriptSig: | for i in scriptSig: | ||||
| if (len(newscript) == 0): | if (len(newscript) == 0): | ||||
| newscript.append(i[0:-1] + b'\0' + i[-1:]) | newscript.append(i[0:-1] + b'\0' + i[-1:]) | ||||
| else: | else: | ||||
| newscript.append(i) | newscript.append(i) | ||||
| tx.vin[0].scriptSig = CScript(newscript) | 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.signrawtransactionwithwallet(rawtx) | |||||
| 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 = [['-whitelist=127.0.0.1', '-enablebip61']] | self.extra_args = [['-whitelist=127.0.0.1', '-enablebip61']] | ||||
| 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()) | ||||
| self.log.info("Mining {} blocks".format(DERSIG_HEIGHT - 1)) | self.log.info("Mining {} blocks".format(DERSIG_HEIGHT - 1)) | ||||
| self.coinbase_blocks = self.nodes[0].generate(DERSIG_HEIGHT - 1) | self.coinbase_txids = [self.nodes[0].getblock( | ||||
| b)['tx'][0] for b in self.nodes[0].generate(DERSIG_HEIGHT - 1)] | |||||
| self.nodeaddress = self.nodes[0].getnewaddress() | self.nodeaddress = self.nodes[0].getnewaddress() | ||||
| self.log.info("Test that blocks must now be at least version 3") | self.log.info("Test that blocks must now be at least version 3") | ||||
| tip = self.nodes[0].getbestblockhash() | tip = self.nodes[0].getbestblockhash() | ||||
| block_time = self.nodes[0].getblockheader(tip)['mediantime'] + 1 | block_time = self.nodes[0].getblockheader(tip)['mediantime'] + 1 | ||||
| block = create_block( | block = create_block( | ||||
| int(tip, 16), create_coinbase(DERSIG_HEIGHT), block_time) | int(tip, 16), create_coinbase(DERSIG_HEIGHT), block_time) | ||||
| block.nVersion = 2 | block.nVersion = 2 | ||||
| block.rehash() | block.rehash() | ||||
| block.solve() | block.solve() | ||||
| with self.nodes[0].assert_debug_log(expected_msgs=['{}, bad-version(0x00000002)'.format(block.hash)]): | with self.nodes[0].assert_debug_log(expected_msgs=['{}, bad-version(0x00000002)'.format(block.hash)]): | ||||
| 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) | ||||
| self.nodes[0].p2p.sync_with_ping() | self.nodes[0].p2p.sync_with_ping() | ||||
| self.log.info( | self.log.info( | ||||
| "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_txids[1], | ||||
| self.nodeaddress, 1.0) | self.nodeaddress, 1.0) | ||||
| unDERify(spendtx) | unDERify(spendtx) | ||||
| spendtx.rehash() | spendtx.rehash() | ||||
| # First we show that this tx is valid except for DERSIG by getting it | # First we show that this tx is valid except for DERSIG by getting it | ||||
| # rejected from the mempool for exactly that reason. | # rejected from the mempool for exactly that reason. | ||||
| assert_equal( | assert_equal( | ||||
| [{'txid': spendtx.hash, 'allowed': False, | [{'txid': spendtx.hash, 'allowed': False, | ||||
| Show All 20 Lines | def run_test(self): | ||||
| REJECT_INVALID, REJECT_NONSTANDARD] | REJECT_INVALID, REJECT_NONSTANDARD] | ||||
| assert_equal( | assert_equal( | ||||
| self.nodes[0].p2p.last_message["reject"].data, block.sha256) | self.nodes[0].p2p.last_message["reject"].data, block.sha256) | ||||
| assert b'blk-bad-inputs' in self.nodes[0].p2p.last_message["reject"].reason | assert b'blk-bad-inputs' in self.nodes[0].p2p.last_message["reject"].reason | ||||
| self.log.info( | self.log.info( | ||||
| "Test that a version 3 block with a DERSIG-compliant transaction is accepted") | "Test that a version 3 block with a DERSIG-compliant transaction is accepted") | ||||
| block.vtx[1] = create_transaction(self.nodes[0], | block.vtx[1] = create_transaction(self.nodes[0], | ||||
| self.coinbase_blocks[1], self.nodeaddress, 1.0) | self.coinbase_txids[1], self.nodeaddress, 1.0) | ||||
| 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(int(self.nodes[0].getbestblockhash(), 16), block.sha256) | assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256) | ||||
| if __name__ == '__main__': | if __name__ == '__main__': | ||||
| BIP66Test().main() | BIP66Test().main() | ||||