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e04f6c7018
- Reinstate Bitcoin BIP activation heights for tests - Add tests for block v4 after genesis block
77 lines
3.3 KiB
Python
Executable file
77 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright (c) 2015-2018 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test BIP 34, 65, 66 activation at block 0"""
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from test_framework.blocktools import create_coinbase, create_block, create_transaction
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from test_framework.messages import msg_block
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from test_framework.mininode import mininode_lock, P2PInterface
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, wait_until
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from feature_cltv import cltv_validate, REJECT_OBSOLETE
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class BlockV4Test(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.extra_args = [['-whitelist=127.0.0.1', '-con_bip34height=0', '-con_bip65height=0', '-con_bip66height=0']]
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self.setup_clean_chain = True
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def run_test(self):
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self.nodes[0].add_p2p_connection(P2PInterface())
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self.nodeaddress = self.nodes[0].getnewaddress()
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self.log.info("Test that blocks past the genesis block must be at least version 4")
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# Create a v3 block
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tip = self.nodes[0].getbestblockhash()
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block_time = self.nodes[0].getblockheader(tip)['mediantime'] + 1
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block = create_block(int(tip, 16), create_coinbase(1), block_time)
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block.nVersion = 3
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block.solve()
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# Send it to the node
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self.nodes[0].p2p.send_and_ping(msg_block(block))
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# The best block should not have changed, because...
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assert_equal(self.nodes[0].getbestblockhash(), tip)
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# ... we rejected it because it is v3
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wait_until(lambda: "reject" in self.nodes[0].p2p.last_message.keys(), lock=mininode_lock)
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with mininode_lock:
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assert_equal(self.nodes[0].p2p.last_message["reject"].code, REJECT_OBSOLETE)
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assert_equal(self.nodes[0].p2p.last_message["reject"].reason, b'bad-version(0x00000003)')
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assert_equal(self.nodes[0].p2p.last_message["reject"].data, block.sha256)
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del self.nodes[0].p2p.last_message["reject"]
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self.log.info("Test that a version 4 block with a valid-according-to-CLTV transaction is accepted")
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# Generate 100 blocks so that first coinbase matures
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generated_blocks = self.nodes[0].generate(100)
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spendable_coinbase_txid = self.nodes[0].getblock(generated_blocks[0])['tx'][0]
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tip = generated_blocks[-1]
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# Construct a v4 block
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block_time = self.nodes[0].getblockheader(tip)['mediantime'] + 1
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block = create_block(int(tip, 16), create_coinbase(len(generated_blocks) + 1), block_time)
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block.nVersion = 4
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# Create a CLTV transaction
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spendtx = create_transaction(self.nodes[0], spendable_coinbase_txid,
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self.nodeaddress, amount=1.0)
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spendtx = cltv_validate(self.nodes[0], spendtx, 1)
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spendtx.rehash()
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# Add the CLTV transaction and prepare for sending
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block.vtx.append(spendtx)
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block.hashMerkleRoot = block.calc_merkle_root()
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block.solve()
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# Send block and check that it becomes new best block
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self.nodes[0].p2p.send_and_ping(msg_block(block))
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assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256)
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if __name__ == '__main__':
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BlockV4Test().main()
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