/ test / functional / feature_coinstatsindex.py
feature_coinstatsindex.py
  1  #!/usr/bin/env python3
  2  # Copyright (c) 2020-present The Bitcoin Core developers
  3  # Distributed under the MIT software license, see the accompanying
  4  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  5  """Test coinstatsindex across nodes.
  6  
  7  Test that the values returned by gettxoutsetinfo are consistent
  8  between a node running the coinstatsindex and a node without
  9  the index.
 10  """
 11  
 12  from decimal import Decimal
 13  
 14  from test_framework.blocktools import (
 15      COINBASE_MATURITY,
 16      create_block,
 17      create_coinbase,
 18  )
 19  from test_framework.messages import (
 20      COIN,
 21      CTxOut,
 22  )
 23  from test_framework.script import (
 24      CScript,
 25      OP_FALSE,
 26      OP_RETURN,
 27  )
 28  from test_framework.test_framework import BitcoinTestFramework
 29  from test_framework.util import (
 30      assert_not_equal,
 31      assert_equal,
 32      assert_raises_rpc_error,
 33  )
 34  from test_framework.wallet import (
 35      MiniWallet,
 36      getnewdestination,
 37  )
 38  
 39  
 40  class CoinStatsIndexTest(BitcoinTestFramework):
 41      def set_test_params(self):
 42          self.setup_clean_chain = True
 43          self.num_nodes = 2
 44          self.extra_args = [
 45              [],
 46              ["-coinstatsindex"]
 47          ]
 48  
 49      def run_test(self):
 50          self.wallet = MiniWallet(self.nodes[0])
 51          self._test_coin_stats_index()
 52          self._test_use_index_option()
 53          self._test_reorg_index()
 54          self._test_index_rejects_hash_serialized()
 55          self._test_init_index_after_reorg()
 56  
 57      def block_sanity_check(self, block_info):
 58          block_subsidy = 50
 59          assert_equal(
 60              block_info['prevout_spent'] + block_subsidy,
 61              block_info['new_outputs_ex_coinbase'] + block_info['coinbase'] + block_info['unspendable']
 62          )
 63  
 64      def sync_index_node(self):
 65          self.wait_until(lambda: self.nodes[1].getindexinfo()['coinstatsindex']['synced'] is True)
 66  
 67      def _test_coin_stats_index(self):
 68          node = self.nodes[0]
 69          index_node = self.nodes[1]
 70          # Both none and muhash options allow the usage of the index
 71          index_hash_options = ['none', 'muhash']
 72  
 73          # Generate a normal transaction and mine it
 74          self.generate(self.wallet, COINBASE_MATURITY + 1)
 75          self.wallet.send_self_transfer(from_node=node)
 76          self.generate(node, 1)
 77  
 78          self.log.info("Test that gettxoutsetinfo() output is consistent with or without coinstatsindex option")
 79          res0 = node.gettxoutsetinfo('none')
 80  
 81          # The fields 'disk_size' and 'transactions' do not exist on the index
 82          del res0['disk_size'], res0['transactions']
 83  
 84          for hash_option in index_hash_options:
 85              res1 = index_node.gettxoutsetinfo(hash_option)
 86              # The fields 'block_info' and 'total_unspendable_amount' only exist on the index
 87              del res1['block_info'], res1['total_unspendable_amount']
 88              res1.pop('muhash', None)
 89  
 90              # Everything left should be the same
 91              assert_equal(res1, res0)
 92  
 93          self.log.info("Test that gettxoutsetinfo() can get fetch data on specific heights with index")
 94  
 95          # Generate a new tip
 96          self.generate(node, 5)
 97  
 98          for hash_option in index_hash_options:
 99              # Fetch old stats by height
100              res2 = index_node.gettxoutsetinfo(hash_option, 102)
101              del res2['block_info'], res2['total_unspendable_amount']
102              res2.pop('muhash', None)
103              assert_equal(res0, res2)
104  
105              # Fetch old stats by hash
106              res3 = index_node.gettxoutsetinfo(hash_option, res0['bestblock'])
107              del res3['block_info'], res3['total_unspendable_amount']
108              res3.pop('muhash', None)
109              assert_equal(res0, res3)
110  
111              # It does not work without coinstatsindex
112              assert_raises_rpc_error(-8, "Querying specific block heights requires coinstatsindex", node.gettxoutsetinfo, hash_option, 102)
113  
114          self.log.info("Test gettxoutsetinfo() with index and verbose flag")
115  
116          for hash_option in index_hash_options:
117              # Genesis block is unspendable
118              res4 = index_node.gettxoutsetinfo(hash_option, 0)
119              assert_equal(res4['total_unspendable_amount'], 50)
120              assert_equal(res4['block_info'], {
121                  'unspendable': 50,
122                  'prevout_spent': 0,
123                  'new_outputs_ex_coinbase': 0,
124                  'coinbase': 0,
125                  'unspendables': {
126                      'genesis_block': 50,
127                      'bip30': 0,
128                      'scripts': 0,
129                      'unclaimed_rewards': 0
130                  }
131              })
132              self.block_sanity_check(res4['block_info'])
133  
134              # Test an older block height that included a normal tx
135              res5 = index_node.gettxoutsetinfo(hash_option, 102)
136              assert_equal(res5['total_unspendable_amount'], 50)
137              assert_equal(res5['block_info'], {
138                  'unspendable': 0,
139                  'prevout_spent': 50,
140                  'new_outputs_ex_coinbase': Decimal('49.99968800'),
141                  'coinbase': Decimal('50.00031200'),
142                  'unspendables': {
143                      'genesis_block': 0,
144                      'bip30': 0,
145                      'scripts': 0,
146                      'unclaimed_rewards': 0,
147                  }
148              })
149              self.block_sanity_check(res5['block_info'])
150  
151          # Generate and send a normal tx with two outputs
152          tx1 = self.wallet.send_to(
153              from_node=node,
154              scriptPubKey=self.wallet.get_output_script(),
155              amount=21 * COIN,
156          )
157  
158          # Find the right position of the 21 BTC output
159          tx1_out_21 = self.wallet.get_utxo(txid=tx1["txid"], vout=tx1["sent_vout"])
160  
161          # Generate and send another tx with an OP_RETURN output (which is unspendable)
162          tx2 = self.wallet.create_self_transfer(utxo_to_spend=tx1_out_21)['tx']
163          tx2_val = '20.99'
164          tx2.vout = [CTxOut(int(Decimal(tx2_val) * COIN), CScript([OP_RETURN] + [OP_FALSE] * 30))]
165          tx2_hex = tx2.serialize().hex()
166          self.nodes[0].sendrawtransaction(tx2_hex, 0, tx2_val)
167  
168          # Include both txs in a block
169          self.generate(self.nodes[0], 1)
170  
171          for hash_option in index_hash_options:
172              # Check all amounts were registered correctly
173              res6 = index_node.gettxoutsetinfo(hash_option, 108)
174              assert_equal(res6['total_unspendable_amount'], Decimal('70.99000000'))
175              assert_equal(res6['block_info'], {
176                  'unspendable': Decimal('20.99000000'),
177                  'prevout_spent': 71,
178                  'new_outputs_ex_coinbase': Decimal('49.99999000'),
179                  'coinbase': Decimal('50.01001000'),
180                  'unspendables': {
181                      'genesis_block': 0,
182                      'bip30': 0,
183                      'scripts': Decimal('20.99000000'),
184                      'unclaimed_rewards': 0,
185                  }
186              })
187              self.block_sanity_check(res6['block_info'])
188  
189          # Create a coinbase that does not claim full subsidy and also
190          # has two outputs
191          cb = create_coinbase(109, nValue=35)
192          cb.vout.append(CTxOut(5 * COIN, CScript([OP_FALSE])))
193  
194          # Generate a block that includes previous coinbase
195          tip = self.nodes[0].getbestblockhash()
196          block_time = self.nodes[0].getblock(tip)['time'] + 1
197          block = create_block(int(tip, 16), cb, block_time)
198          block.solve()
199          self.nodes[0].submitblock(block.serialize().hex())
200          self.sync_all()
201  
202          for hash_option in index_hash_options:
203              res7 = index_node.gettxoutsetinfo(hash_option, 109)
204              assert_equal(res7['total_unspendable_amount'], Decimal('80.99000000'))
205              assert_equal(res7['block_info'], {
206                  'unspendable': 10,
207                  'prevout_spent': 0,
208                  'new_outputs_ex_coinbase': 0,
209                  'coinbase': 40,
210                  'unspendables': {
211                      'genesis_block': 0,
212                      'bip30': 0,
213                      'scripts': 0,
214                      'unclaimed_rewards': 10
215                  }
216              })
217              self.block_sanity_check(res7['block_info'])
218  
219          self.log.info("Test that the index is robust across restarts")
220  
221          res8 = index_node.gettxoutsetinfo('muhash')
222          self.restart_node(1, extra_args=self.extra_args[1])
223          res9 = index_node.gettxoutsetinfo('muhash')
224          assert_equal(res8, res9)
225  
226          self.generate(index_node, 1, sync_fun=self.no_op)
227          res10 = index_node.gettxoutsetinfo('muhash')
228          assert res8['txouts'] < res10['txouts']
229  
230          self.log.info("Test that the index works with -reindex")
231  
232          self.restart_node(1, extra_args=["-coinstatsindex", "-reindex"])
233          self.sync_index_node()
234          res11 = index_node.gettxoutsetinfo('muhash')
235          assert_equal(res11, res10)
236  
237          self.log.info("Test that the index works with -reindex-chainstate")
238  
239          self.restart_node(1, extra_args=["-coinstatsindex", "-reindex-chainstate"])
240          self.sync_index_node()
241          res12 = index_node.gettxoutsetinfo('muhash')
242          assert_equal(res12, res10)
243  
244          self.log.info("Test obtaining info for a non-existent block hash")
245          assert_raises_rpc_error(-5, "Block not found", index_node.gettxoutsetinfo, hash_type="none", hash_or_height="ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", use_index=True)
246  
247      def _test_use_index_option(self):
248          self.log.info("Test use_index option for nodes running the index")
249  
250          self.connect_nodes(0, 1)
251          self.nodes[0].waitforblockheight(110)
252          res = self.nodes[0].gettxoutsetinfo('muhash')
253          option_res = self.nodes[1].gettxoutsetinfo(hash_type='muhash', hash_or_height=None, use_index=False)
254          del res['disk_size'], option_res['disk_size']
255          assert_equal(res, option_res)
256  
257      def _test_reorg_index(self):
258          self.log.info("Test that index can handle reorgs")
259  
260          # Generate two block, let the index catch up, then invalidate the blocks
261          index_node = self.nodes[1]
262          reorg_blocks = self.generatetoaddress(index_node, 2, getnewdestination()[2])
263          reorg_block = reorg_blocks[1]
264          self.sync_index_node()
265          res_invalid = index_node.gettxoutsetinfo('muhash')
266          index_node.invalidateblock(reorg_blocks[0])
267          assert_equal(index_node.gettxoutsetinfo('muhash')['height'], 110)
268  
269          # Add two new blocks
270          block = self.generate(index_node, 2, sync_fun=self.no_op)[1]
271          res = index_node.gettxoutsetinfo(hash_type='muhash', hash_or_height=None, use_index=False)
272  
273          # Test that the result of the reorged block is not returned for its old block height
274          res2 = index_node.gettxoutsetinfo(hash_type='muhash', hash_or_height=112)
275          assert_equal(res["bestblock"], block)
276          assert_equal(res["muhash"], res2["muhash"])
277          assert_not_equal(res["muhash"], res_invalid["muhash"])
278  
279          # Test that requesting reorged out block by hash is still returning correct results
280          res_invalid2 = index_node.gettxoutsetinfo(hash_type='muhash', hash_or_height=reorg_block)
281          assert_equal(res_invalid2["muhash"], res_invalid["muhash"])
282          assert_not_equal(res["muhash"], res_invalid2["muhash"])
283  
284          # Add another block, so we don't depend on reconsiderblock remembering which
285          # blocks were touched by invalidateblock
286          self.generate(index_node, 1)
287  
288          # Ensure that removing and re-adding blocks yields consistent results
289          block = index_node.getblockhash(99)
290          index_node.invalidateblock(block)
291          index_node.reconsiderblock(block)
292          res3 = index_node.gettxoutsetinfo(hash_type='muhash', hash_or_height=112)
293          assert_equal(res2, res3)
294  
295      def _test_index_rejects_hash_serialized(self):
296          self.log.info("Test that the rpc raises if the legacy hash is passed with the index")
297  
298          msg = "hash_serialized_3 hash type cannot be queried for a specific block"
299          assert_raises_rpc_error(-8, msg, self.nodes[1].gettxoutsetinfo, hash_type='hash_serialized_3', hash_or_height=111)
300  
301          for use_index in {True, False, None}:
302              assert_raises_rpc_error(-8, msg, self.nodes[1].gettxoutsetinfo, hash_type='hash_serialized_3', hash_or_height=111, use_index=use_index)
303  
304      def _test_init_index_after_reorg(self):
305          self.log.info("Test a reorg while the index is deactivated")
306          index_node = self.nodes[1]
307          block = self.nodes[0].getbestblockhash()
308          self.generate(index_node, 2, sync_fun=self.no_op)
309          self.sync_index_node()
310  
311          # Restart without index
312          self.restart_node(1, extra_args=[])
313          self.connect_nodes(0, 1)
314          index_node.invalidateblock(block)
315          self.generatetoaddress(index_node, 5, getnewdestination()[2])
316          res = index_node.gettxoutsetinfo(hash_type='muhash', hash_or_height=None, use_index=False)
317  
318          # Restart with index that still has its best block on the old chain
319          self.restart_node(1, extra_args=self.extra_args[1])
320          self.sync_index_node()
321          res1 = index_node.gettxoutsetinfo(hash_type='muhash', hash_or_height=None, use_index=True)
322          assert_equal(res["muhash"], res1["muhash"])
323  
324          self.log.info("Test index with an unclean restart after a reorg")
325          self.restart_node(1, extra_args=self.extra_args[1])
326          committed_height = index_node.getblockcount()
327          self.generate(index_node, 2, sync_fun=self.no_op)
328          self.sync_index_node()
329          block2 = index_node.getbestblockhash()
330          index_node.invalidateblock(block2)
331          self.generatetoaddress(index_node, 1, getnewdestination()[2], sync_fun=self.no_op)
332          self.sync_index_node()
333          index_node.kill_process()
334          self.start_node(1, extra_args=self.extra_args[1])
335          self.sync_index_node()
336          # Because of the unclean shutdown above, indexes reset to the point we last committed them to disk.
337          assert_equal(index_node.getindexinfo()['coinstatsindex']['best_block_height'], committed_height)
338  
339  
340  if __name__ == '__main__':
341      CoinStatsIndexTest(__file__).main()