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test/functional/p2p_invalid_block.py
| Show First 20 Lines • Show All 53 Lines • ▼ Show 20 Lines | def run_test(self): | ||||
| node.generatetoaddress(100, node.get_deterministic_priv_key().address) | node.generatetoaddress(100, node.get_deterministic_priv_key().address) | ||||
| best_block = node.getblock(node.getbestblockhash()) | best_block = node.getblock(node.getbestblockhash()) | ||||
| tip = int(node.getbestblockhash(), 16) | tip = int(node.getbestblockhash(), 16) | ||||
| height = best_block["height"] + 1 | height = best_block["height"] + 1 | ||||
| block_time = best_block["time"] + 1 | block_time = best_block["time"] + 1 | ||||
| # Use merkle-root malleability to generate an invalid block with | # Use merkle-root malleability to generate an invalid block with | ||||
| # same blockheader. | # same blockheader (CVE-2012-2459). | ||||
| # Manufacture a block with 3 transactions (coinbase, spend of prior | # Manufacture a block with 3 transactions (coinbase, spend of prior | ||||
| # coinbase, spend of that spend). Duplicate the 3rd transaction to | # coinbase, spend of that spend). Duplicate the 3rd transaction to | ||||
| # leave merkle root and blockheader unchanged but invalidate the block. | # leave merkle root and blockheader unchanged but invalidate the block. | ||||
| # For more information on merkle-root malleability see | |||||
| # src/consensus/merkle.cpp. | |||||
| self.log.info("Test merkle root malleability.") | self.log.info("Test merkle root malleability.") | ||||
| block2 = create_block(tip, create_coinbase(height), block_time) | block2 = create_block(tip, create_coinbase(height), block_time) | ||||
| block_time += 1 | block_time += 1 | ||||
| # b'0x51' is OP_TRUE | # b'0x51' is OP_TRUE | ||||
| tx1 = create_tx_with_script( | tx1 = create_tx_with_script( | ||||
| block1.vtx[0], 0, script_sig=b'', amount=50 * COIN) | block1.vtx[0], 0, script_sig=b'', amount=50 * COIN) | ||||
| Show All 13 Lines | def run_test(self): | ||||
| block2.vtx.append(block2.vtx[2]) | block2.vtx.append(block2.vtx[2]) | ||||
| assert_equal(block2.hashMerkleRoot, block2.calc_merkle_root()) | assert_equal(block2.hashMerkleRoot, block2.calc_merkle_root()) | ||||
| assert_equal(orig_hash, block2.rehash()) | assert_equal(orig_hash, block2.rehash()) | ||||
| assert block2_orig.vtx != block2.vtx | assert block2_orig.vtx != block2.vtx | ||||
| node.p2p.send_blocks_and_test( | node.p2p.send_blocks_and_test( | ||||
| [block2], node, success=False, reject_reason='bad-txns-duplicate') | [block2], node, success=False, reject_reason='bad-txns-duplicate') | ||||
| # Check transactions for duplicate inputs | # Check transactions for duplicate inputs (CVE-2018-17144) | ||||
| self.log.info("Test duplicate input block.") | self.log.info("Test duplicate input block.") | ||||
| block2_orig.vtx[2].vin.append(block2_orig.vtx[2].vin[0]) | block2_orig.vtx[2].vin.append(block2_orig.vtx[2].vin[0]) | ||||
| block2.vtx = [block2.vtx[0]] + \ | block2.vtx = [block2.vtx[0]] + \ | ||||
| sorted(block2.vtx[1:], key=lambda tx: tx.get_id()) | sorted(block2.vtx[1:], key=lambda tx: tx.get_id()) | ||||
| block2_orig.vtx[2].rehash() | block2_orig.vtx[2].rehash() | ||||
| block2_orig.hashMerkleRoot = block2_orig.calc_merkle_root() | block2_orig.hashMerkleRoot = block2_orig.calc_merkle_root() | ||||
| block2_orig.rehash() | block2_orig.rehash() | ||||
| Show All 21 Lines | |||||