diff options
Diffstat (limited to 'test/functional/test_framework/util.py')
-rw-r--r-- | test/functional/test_framework/util.py | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py index 0de09b6440..c5b69a3954 100644 --- a/test/functional/test_framework/util.py +++ b/test/functional/test_framework/util.py @@ -496,65 +496,6 @@ def check_node_connections(*, node, num_in, num_out): assert_equal(info["connections_in"], num_in) assert_equal(info["connections_out"], num_out) -def fill_mempool(test_framework, node, miniwallet): - """Fill mempool until eviction. - - Allows for simpler testing of scenarios with floating mempoolminfee > minrelay - Requires -datacarriersize=100000 and - -maxmempool=5. - It will not ensure mempools become synced as it - is based on a single node and assumes -minrelaytxfee - is 1 sat/vbyte. - To avoid unintentional tx dependencies, it is recommended to use separate miniwallets for - mempool filling vs transactions in tests. - """ - test_framework.log.info("Fill the mempool until eviction is triggered and the mempoolminfee rises") - txouts = gen_return_txouts() - relayfee = node.getnetworkinfo()['relayfee'] - - assert_equal(relayfee, Decimal('0.00001000')) - - 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 - test_framework.generate(miniwallet, 1 + (num_of_batches * tx_batch_size)) - - # Mine COINBASE_MATURITY - 1 blocks so that the UTXOs are allowed to be spent - test_framework.generate(node, 100 - 1) - - # Get all UTXOs up front to ensure none of the transactions spend from each other, as that may - # change their effective feerate and thus the order in which they are selected for eviction. - confirmed_utxos = [miniwallet.get_utxo(confirmed_only=True) for _ in range(num_of_batches * tx_batch_size + 1)] - assert_equal(len(confirmed_utxos), num_of_batches * tx_batch_size + 1) - - test_framework.log.debug("Create a mempool tx that will be evicted") - tx_to_be_evicted_id = miniwallet.send_self_transfer(from_node=node, utxo_to_spend=confirmed_utxos[0], fee_rate=relayfee)["txid"] - del confirmed_utxos[0] - - # 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 - - test_framework.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 - utxos = confirmed_utxos[:tx_batch_size] - create_lots_of_big_transactions(miniwallet, node, fee, tx_batch_size, txouts, utxos) - del confirmed_utxos[:tx_batch_size] - - test_framework.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() - - test_framework.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')) # Transaction/Block functions ############################# |