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test: Refactor fill_mempool to extract send_batch helper

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MarcoFalke 2024-09-24 10:00:24 +02:00
parent 33adc7521c
commit fa48be6f02
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1 changed files with 8 additions and 5 deletions
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13
test/functional/test_framework/mempool_util.py
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@ -57,18 +57,21 @@ def fill_mempool(test_framework, node):
tx_to_be_evicted_id = ephemeral_miniwallet.send_self_transfer(
from_node=node, utxo_to_spend=confirmed_utxos.pop(0), fee_rate=relayfee)["txid"]
def send_batch(fee):
utxos = confirmed_utxos[:tx_batch_size]
create_lots_of_big_transactions(ephemeral_miniwallet, node, fee, tx_batch_size, txouts, utxos)
del confirmed_utxos[:tx_batch_size]
# 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
batch_fees = [(i + 1) * base_fee for i in range(num_of_batches)]
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(ephemeral_miniwallet, node, fee, tx_batch_size, txouts, utxos)
del confirmed_utxos[:tx_batch_size]
for fee in batch_fees:
send_batch(fee)
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