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71b4cf307b
fac95398366f644911b58f1605e6bc37fb76782d qa: Run all tests even if wallet is not compiled (MarcoFalke) faa669cbcd1fc799517b523b0f850e01b11bf40a qa: Premine to deterministic address with -disablewallet (MarcoFalke) Pull request description: Currently the test_runner would exit if the wallet was not compiled into the Bitcoin Core executable. However, a lot of the tests run without the wallet just fine and there is no need to globally require the wallet to run the tests. Tree-SHA512: 63177260aa29126fd20f0be217a82b10b62288ab846f96f1cbcc3bd2c52702437703475d91eae3f8d821a3149fc62b725a4c5b2a7b3657b67ffcbc81532a03bb
112 lines
4.3 KiB
Python
Executable File
112 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2016 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 node responses to invalid blocks.
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In this test we connect to one node over p2p, and test block requests:
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1) Valid blocks should be requested and become chain tip.
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2) Invalid block with duplicated transaction should be re-requested.
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3) Invalid block with bad coinbase value should be rejected and not
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re-requested.
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"""
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import copy
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from test_framework.blocktools import create_block, create_coinbase, create_tx_with_script
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from test_framework.messages import COIN
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from test_framework.mininode import P2PDataStore
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal
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class InvalidBlockRequestTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.setup_clean_chain = True
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self.extra_args = [["-whitelist=127.0.0.1"]]
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def run_test(self):
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# Add p2p connection to node0
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node = self.nodes[0] # convenience reference to the node
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node.add_p2p_connection(P2PDataStore())
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best_block = node.getblock(node.getbestblockhash())
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tip = int(node.getbestblockhash(), 16)
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height = best_block["height"] + 1
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block_time = best_block["time"] + 1
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self.log.info("Create a new block with an anyone-can-spend coinbase")
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height = 1
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block = create_block(tip, create_coinbase(height), block_time)
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block.solve()
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# Save the coinbase for later
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block1 = block
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tip = block.sha256
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node.p2p.send_blocks_and_test([block1], node, success=True)
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self.log.info("Mature the block.")
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node.generate(100)
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best_block = node.getblock(node.getbestblockhash())
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tip = int(node.getbestblockhash(), 16)
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height = best_block["height"] + 1
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block_time = best_block["time"] + 1
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# Use merkle-root malleability to generate an invalid block with
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# same blockheader.
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# Manufacture a block with 3 transactions (coinbase, spend of prior
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# coinbase, spend of that spend). Duplicate the 3rd transaction to
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# leave merkle root and blockheader unchanged but invalidate the block.
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self.log.info("Test merkle root malleability.")
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block2 = create_block(tip, create_coinbase(height), block_time)
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block_time += 1
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# b'0x51' is OP_TRUE
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tx1 = create_tx_with_script(block1.vtx[0], 0, script_sig=b'\x51', amount=50 * COIN)
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tx2 = create_tx_with_script(tx1, 0, script_sig=b'\x51', amount=50 * COIN)
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block2.vtx.extend([tx1, tx2])
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block2.hashMerkleRoot = block2.calc_merkle_root()
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block2.rehash()
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block2.solve()
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orig_hash = block2.sha256
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block2_orig = copy.deepcopy(block2)
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# Mutate block 2
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block2.vtx.append(tx2)
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assert_equal(block2.hashMerkleRoot, block2.calc_merkle_root())
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assert_equal(orig_hash, block2.rehash())
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assert block2_orig.vtx != block2.vtx
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node.p2p.send_blocks_and_test([block2], node, success=False, request_block=False, reject_reason='bad-txns-duplicate')
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# Check transactions for duplicate inputs
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self.log.info("Test duplicate input block.")
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block2_orig.vtx[2].vin.append(block2_orig.vtx[2].vin[0])
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block2_orig.vtx[2].rehash()
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block2_orig.hashMerkleRoot = block2_orig.calc_merkle_root()
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block2_orig.rehash()
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block2_orig.solve()
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node.p2p.send_blocks_and_test([block2_orig], node, success=False, request_block=False, reject_reason='bad-txns-inputs-duplicate')
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self.log.info("Test very broken block.")
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block3 = create_block(tip, create_coinbase(height), block_time)
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block_time += 1
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block3.vtx[0].vout[0].nValue = 1000 * COIN # Too high!
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block3.vtx[0].sha256 = None
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block3.vtx[0].calc_sha256()
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block3.hashMerkleRoot = block3.calc_merkle_root()
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block3.rehash()
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block3.solve()
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node.p2p.send_blocks_and_test([block3], node, success=False, request_block=False, reject_reason='bad-cb-amount')
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if __name__ == '__main__':
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InvalidBlockRequestTest().main()
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