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author | Peter Todd <pete@petertodd.org> | 2015-06-28 14:42:17 -0400 |
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committer | Peter Todd <pete@petertodd.org> | 2015-10-08 17:49:00 +0200 |
commit | c5a27f4fb392fd6444d92ecbb78658516c91a6f2 (patch) | |
tree | c963c24c83de0a543db1ef0349a459646259676a /qa/rpc-tests/bip65-cltv-p2p.py | |
parent | 5e82e1c8f534f8685fb72a34e47c3beb36738783 (diff) | |
download | bitcoin-c5a27f4fb392fd6444d92ecbb78658516c91a6f2.tar.xz |
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's 819bcf9b9902319176cdb1d476cacfee9b3727ec
bip65-cltv-p2p.py is based on the earlier BIP66 P2P test by Suhas
Daftuar's d76412b068d95454732aa3def95decf35251759a
Rebased-From: 308257856099e82e91881ba97f741d840184727c
Diffstat (limited to 'qa/rpc-tests/bip65-cltv-p2p.py')
-rwxr-xr-x | qa/rpc-tests/bip65-cltv-p2p.py | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/qa/rpc-tests/bip65-cltv-p2p.py b/qa/rpc-tests/bip65-cltv-p2p.py new file mode 100755 index 0000000000..1f8548c219 --- /dev/null +++ b/qa/rpc-tests/bip65-cltv-p2p.py @@ -0,0 +1,175 @@ +#!/usr/bin/env python2 +# +# Distributed under the MIT/X11 software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +# + +from test_framework.test_framework import ComparisonTestFramework +from test_framework.util import * +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 +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) +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. +''' + +class BIP65Test(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=3']], + binary=[self.options.testbinary]) + + def run_test(self): + test = TestManager(self, self.options.tmpdir) + test.add_all_connections(self.nodes) + NetworkThread().start() # Start up network handling in another thread + test.run() + + def create_transaction(self, 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() + f = cStringIO.StringIO(unhexlify(signresult['hex'])) + tx.deserialize(f) + return tx + + def get_tests(self): + + self.coinbase_blocks = self.nodes[0].generate(2) + self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0) + self.nodeaddress = self.nodes[0].getnewaddress() + self.last_block_time = time.time() + + ''' 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) + + ''' 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.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) + + ''' + 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() |