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123aa04d5b
13316a4Return true from IsBlockValueValid when masternode data is not synced - This restores behavior very close to that in 12.0 - Needed to prevent the forking problem currently being seen on testnet between online and offline nodes - This is expected to be a temporary fix while we develop a long-term solution for this problem427086eRestore miner payments for superblocks794b90dAdded IsSynced field to JSON output of mnsync status RPC command - This is needed to allow fixing RPC tests so that they wait until the nodes are fully synced before performing testsa9ddf6fWait for nodes to sync masternode data during p2p-fullblocktest
119 lines
4.1 KiB
Python
Executable File
119 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env python2
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#
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# Distributed under the MIT/X11 software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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from test_framework.test_framework import ComparisonTestFramework
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from test_framework.util import *
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from test_framework.comptool import TestManager, TestInstance, RejectResult
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from test_framework.blocktools import *
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import copy
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import time
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'''
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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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# Use the ComparisonTestFramework with 1 node: only use --testbinary.
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class InvalidBlockRequestTest(ComparisonTestFramework):
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''' Can either run this test as 1 node with expected answers, or two and compare them.
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Change the "outcome" variable from each TestInstance object to only do the comparison. '''
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def __init__(self):
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self.num_nodes = 1
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def run_test(self):
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test = TestManager(self, self.options.tmpdir)
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test.add_all_connections(self.nodes)
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self.tip = None
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self.block_time = None
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NetworkThread().start() # Start up network handling in another thread
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sync_masternodes(self.nodes)
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test.run()
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def get_tests(self):
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if self.tip is None:
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self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0)
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self.block_time = int(time.time())+1
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'''
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Create a new block with an anyone-can-spend coinbase
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'''
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height = 1
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block = create_block(self.tip, create_coinbase(height), self.block_time)
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self.block_time += 1
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block.solve()
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# Save the coinbase for later
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self.block1 = block
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self.tip = block.sha256
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height += 1
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yield TestInstance([[block, True]])
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'''
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Now we need that block to mature so we can spend the coinbase.
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'''
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test = TestInstance(sync_every_block=False)
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for i in xrange(100):
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block = create_block(self.tip, create_coinbase(height), self.block_time)
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block.solve()
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self.tip = block.sha256
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self.block_time += 1
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test.blocks_and_transactions.append([block, True])
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height += 1
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yield test
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'''
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Now we 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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'''
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block2 = create_block(self.tip, create_coinbase(height), self.block_time)
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self.block_time += 1
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# chr(81) is OP_TRUE
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tx1 = create_transaction(self.block1.vtx[0], 0, chr(81), 50*100000000)
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tx2 = create_transaction(tx1, 0, chr(81), 50*100000000)
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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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self.tip = block2.sha256
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yield TestInstance([[block2, RejectResult(16,'bad-txns-duplicate')], [block2_orig, True]])
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height += 1
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'''
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Make sure that a totally screwed up block is not valid.
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'''
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block3 = create_block(self.tip, create_coinbase(height), self.block_time)
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self.block_time += 1
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block3.vtx[0].vout[0].nValue = 1000*100000000 # 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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yield TestInstance([[block3, RejectResult(16,'bad-cb-amount')]])
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if __name__ == '__main__':
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InvalidBlockRequestTest().main()
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