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ae4f7f4d08
4b7091a842 Replace median fee rate with feerate percentiles (Marcin Jachymiak) Pull request description: Currently, the `medianfeerate` statistic is calculated from the feerate of the middle transaction of a list of transactions sorted by feerate. This PR instead uses the value of the 50th percentile weight unit in the block, and also calculates the feerate at the 10th, 25th, 75th, and 90th percentiles. This more accurately corresponds with what is generally meant by median feerate. Tree-SHA512: 59255e243df90d7afbe69839408c58c9723884b8ab82c66dc24a769e89c6d539db1905374a3f025ff28272fb25a0b90e92d8101103e39a6d9c0d60423a596714
180 lines
7.4 KiB
Python
Executable File
180 lines
7.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2017-2017 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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#
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# Test getblockstats rpc call
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#
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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assert_raises_rpc_error,
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)
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import json
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import os
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TESTSDIR = os.path.dirname(os.path.realpath(__file__))
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class GetblockstatsTest(BitcoinTestFramework):
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start_height = 101
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max_stat_pos = 2
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STATS_NEED_TXINDEX = [
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'avgfee',
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'avgfeerate',
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'maxfee',
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'maxfeerate',
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'medianfee',
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'feerate_percentiles',
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'minfee',
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'minfeerate',
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'totalfee',
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'utxo_size_inc',
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]
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def add_options(self, parser):
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parser.add_argument('--gen-test-data', dest='gen_test_data',
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default=False, action='store_true',
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help='Generate test data')
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parser.add_argument('--test-data', dest='test_data',
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default='data/rpc_getblockstats.json',
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action='store', metavar='FILE',
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help='Test data file')
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# def set_test_params(self):
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def set_test_params(self):
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self.num_nodes = 2
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self.extra_args = [['-txindex'], ['-txindex=0', '-paytxfee=0.003']]
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self.setup_clean_chain = True
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def get_stats(self):
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return [self.nodes[0].getblockstats(hash_or_height=self.start_height + i) for i in range(self.max_stat_pos+1)]
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def generate_test_data(self, filename):
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self.nodes[0].generate(101)
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self.nodes[0].sendtoaddress(address=self.nodes[1].getnewaddress(), amount=10, subtractfeefromamount=True)
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self.nodes[0].generate(1)
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self.sync_all()
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self.nodes[0].sendtoaddress(address=self.nodes[0].getnewaddress(), amount=10, subtractfeefromamount=True)
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self.nodes[0].sendtoaddress(address=self.nodes[0].getnewaddress(), amount=10, subtractfeefromamount=False)
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self.nodes[1].sendtoaddress(address=self.nodes[0].getnewaddress(), amount=1, subtractfeefromamount=True)
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self.sync_all()
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self.nodes[0].generate(1)
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self.expected_stats = self.get_stats()
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blocks = []
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tip = self.nodes[0].getbestblockhash()
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blockhash = None
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height = 0
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while tip != blockhash:
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blockhash = self.nodes[0].getblockhash(height)
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blocks.append(self.nodes[0].getblock(blockhash, 0))
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height += 1
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to_dump = {
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'blocks': blocks,
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'mocktime': int(self.mocktime),
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'stats': self.expected_stats,
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}
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with open(filename, 'w', encoding="utf8") as f:
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json.dump(to_dump, f, sort_keys=True, indent=2)
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def load_test_data(self, filename):
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with open(filename, 'r', encoding="utf8") as f:
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d = json.load(f)
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blocks = d['blocks']
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self.mocktime = d['mocktime']
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self.expected_stats = d['stats']
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# Set the timestamps from the file so that the nodes can get out of Initial Block Download
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self.nodes[0].setmocktime(self.mocktime)
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self.nodes[1].setmocktime(self.mocktime)
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for b in blocks:
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self.nodes[0].submitblock(b)
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def run_test(self):
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test_data = os.path.join(TESTSDIR, self.options.test_data)
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if self.options.gen_test_data:
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self.generate_test_data(test_data)
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else:
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self.load_test_data(test_data)
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self.sync_all()
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stats = self.get_stats()
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expected_stats_noindex = []
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for stat_row in stats:
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expected_stats_noindex.append({k: v for k, v in stat_row.items() if k not in self.STATS_NEED_TXINDEX})
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# Make sure all valid statistics are included but nothing else is
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expected_keys = self.expected_stats[0].keys()
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assert_equal(set(stats[0].keys()), set(expected_keys))
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assert_equal(stats[0]['height'], self.start_height)
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assert_equal(stats[self.max_stat_pos]['height'], self.start_height + self.max_stat_pos)
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for i in range(self.max_stat_pos+1):
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self.log.info('Checking block %d\n' % (i))
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assert_equal(stats[i], self.expected_stats[i])
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# Check selecting block by hash too
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blockhash = self.expected_stats[i]['blockhash']
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stats_by_hash = self.nodes[0].getblockstats(hash_or_height=blockhash)
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assert_equal(stats_by_hash, self.expected_stats[i])
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# Check with the node that has no txindex
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stats_no_txindex = self.nodes[1].getblockstats(hash_or_height=blockhash, stats=list(expected_stats_noindex[i].keys()))
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assert_equal(stats_no_txindex, expected_stats_noindex[i])
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# Make sure each stat can be queried on its own
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for stat in expected_keys:
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for i in range(self.max_stat_pos+1):
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result = self.nodes[0].getblockstats(hash_or_height=self.start_height + i, stats=[stat])
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assert_equal(list(result.keys()), [stat])
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if result[stat] != self.expected_stats[i][stat]:
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self.log.info('result[%s] (%d) failed, %r != %r' % (
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stat, i, result[stat], self.expected_stats[i][stat]))
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assert_equal(result[stat], self.expected_stats[i][stat])
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# Make sure only the selected statistics are included (more than one)
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some_stats = {'minfee', 'maxfee'}
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stats = self.nodes[0].getblockstats(hash_or_height=1, stats=list(some_stats))
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assert_equal(set(stats.keys()), some_stats)
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# Test invalid parameters raise the proper json exceptions
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tip = self.start_height + self.max_stat_pos
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assert_raises_rpc_error(-8, 'Target block height %d after current tip %d' % (tip+1, tip),
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self.nodes[0].getblockstats, hash_or_height=tip+1)
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assert_raises_rpc_error(-8, 'Target block height %d is negative' % (-1),
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self.nodes[0].getblockstats, hash_or_height=-1)
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# Make sure not valid stats aren't allowed
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inv_sel_stat = 'asdfghjkl'
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inv_stats = [
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[inv_sel_stat],
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['minfee' , inv_sel_stat],
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[inv_sel_stat, 'minfee'],
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['minfee', inv_sel_stat, 'maxfee'],
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]
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for inv_stat in inv_stats:
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assert_raises_rpc_error(-8, 'Invalid selected statistic %s' % inv_sel_stat,
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self.nodes[0].getblockstats, hash_or_height=1, stats=inv_stat)
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# Make sure we aren't always returning inv_sel_stat as the culprit stat
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assert_raises_rpc_error(-8, 'Invalid selected statistic aaa%s' % inv_sel_stat,
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self.nodes[0].getblockstats, hash_or_height=1, stats=['minfee' , 'aaa%s' % inv_sel_stat])
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assert_raises_rpc_error(-8, 'One or more of the selected stats requires -txindex enabled',
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self.nodes[1].getblockstats, hash_or_height=self.start_height + self.max_stat_pos)
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# Mainchain's genesis block shouldn't be found on regtest
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assert_raises_rpc_error(-5, 'Block not found', self.nodes[0].getblockstats,
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hash_or_height='000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f')
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if __name__ == '__main__':
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GetblockstatsTest().main()
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