diff options
Diffstat (limited to 'test/functional/mempool_limit.py')
| -rwxr-xr-x | test/functional/mempool_limit.py | 56 |
1 files changed, 6 insertions, 50 deletions
diff --git a/test/functional/mempool_limit.py b/test/functional/mempool_limit.py index 6215610c31..d46924f4ce 100755 --- a/test/functional/mempool_limit.py +++ b/test/functional/mempool_limit.py @@ -6,7 +6,9 @@ from decimal import Decimal -from test_framework.blocktools import COINBASE_MATURITY +from test_framework.mempool_util import ( + fill_mempool, +) from test_framework.p2p import P2PTxInvStore from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( @@ -14,8 +16,6 @@ from test_framework.util import ( assert_fee_amount, assert_greater_than, assert_raises_rpc_error, - create_lots_of_big_transactions, - gen_return_txouts, ) from test_framework.wallet import ( COIN, @@ -34,50 +34,6 @@ class MempoolLimitTest(BitcoinTestFramework): ]] self.supports_cli = False - def fill_mempool(self): - """Fill mempool until eviction.""" - self.log.info("Fill the mempool until eviction is triggered and the mempoolminfee rises") - txouts = gen_return_txouts() - node = self.nodes[0] - miniwallet = self.wallet - relayfee = node.getnetworkinfo()['relayfee'] - - tx_batch_size = 1 - num_of_batches = 75 - # Generate UTXOs to flood the mempool - # 1 to create a tx initially that will be evicted from the mempool later - # 75 transactions each with a fee rate higher than the previous one - # And 1 more to verify that this tx does not get added to the mempool with a fee rate less than the mempoolminfee - # And 2 more for the package cpfp test - self.generate(miniwallet, 1 + (num_of_batches * tx_batch_size)) - - # Mine 99 blocks so that the UTXOs are allowed to be spent - self.generate(node, COINBASE_MATURITY - 1) - - self.log.debug("Create a mempool tx that will be evicted") - tx_to_be_evicted_id = miniwallet.send_self_transfer(from_node=node, fee_rate=relayfee)["txid"] - - # Increase the tx fee rate to give the subsequent transactions a higher priority in the mempool - # The tx has an approx. vsize of 65k, i.e. multiplying the previous fee rate (in sats/kvB) - # by 130 should result in a fee that corresponds to 2x of that fee rate - base_fee = relayfee * 130 - - self.log.debug("Fill up the mempool with txs with higher fee rate") - with node.assert_debug_log(["rolling minimum fee bumped"]): - for batch_of_txid in range(num_of_batches): - fee = (batch_of_txid + 1) * base_fee - create_lots_of_big_transactions(miniwallet, node, fee, tx_batch_size, txouts) - - self.log.debug("The tx should be evicted by now") - # The number of transactions created should be greater than the ones present in the mempool - assert_greater_than(tx_batch_size * num_of_batches, len(node.getrawmempool())) - # Initial tx created should not be present in the mempool anymore as it had a lower fee rate - assert tx_to_be_evicted_id not in node.getrawmempool() - - self.log.debug("Check that mempoolminfee is larger than minrelaytxfee") - assert_equal(node.getmempoolinfo()['minrelaytxfee'], Decimal('0.00001000')) - assert_greater_than(node.getmempoolinfo()['mempoolminfee'], Decimal('0.00001000')) - def test_rbf_carveout_disallowed(self): node = self.nodes[0] @@ -139,7 +95,7 @@ class MempoolLimitTest(BitcoinTestFramework): assert_equal(node.getmempoolinfo()['minrelaytxfee'], Decimal('0.00001000')) assert_equal(node.getmempoolinfo()['mempoolminfee'], Decimal('0.00001000')) - self.fill_mempool() + fill_mempool(self, node) current_info = node.getmempoolinfo() mempoolmin_feerate = current_info["mempoolminfee"] @@ -229,7 +185,7 @@ class MempoolLimitTest(BitcoinTestFramework): assert_equal(node.getmempoolinfo()['minrelaytxfee'], Decimal('0.00001000')) assert_equal(node.getmempoolinfo()['mempoolminfee'], Decimal('0.00001000')) - self.fill_mempool() + fill_mempool(self, node) current_info = node.getmempoolinfo() mempoolmin_feerate = current_info["mempoolminfee"] @@ -303,7 +259,7 @@ class MempoolLimitTest(BitcoinTestFramework): assert_equal(node.getmempoolinfo()['minrelaytxfee'], Decimal('0.00001000')) assert_equal(node.getmempoolinfo()['mempoolminfee'], Decimal('0.00001000')) - self.fill_mempool() + fill_mempool(self, node) # Deliberately try to create a tx with a fee less than the minimum mempool fee to assert that it does not get added to the mempool self.log.info('Create a mempool tx that will not pass mempoolminfee') |