#!/usr/bin/env python3
# Copyright (c) 2019-2022, The Monero Project
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from __future__ import print_function
"""Test txpool
"""
from framework.daemon import Daemon
from framework.wallet import Wallet
from framework.zmq import Zmq
class TransferTest():
def run_test(self):
self.reset()
self.create()
self.mine()
self.check_txpool()
def reset(self):
print('Resetting blockchain')
daemon = Daemon()
res = daemon.get_height()
daemon.pop_blocks(res.height - 1)
daemon.flush_txpool()
def create(self):
print('Creating wallet')
wallet = Wallet()
# close the wallet if any, will throw if none is loaded
try: wallet.close_wallet()
except: pass
seed = 'velvet lymph giddy number token physics poetry unquoted nibs useful sabotage limits benches lifestyle eden nitrogen anvil fewest avoid batch vials washing fences goat unquoted'
res = wallet.restore_deterministic_wallet(seed = seed)
def mine(self):
print("Mining some blocks")
daemon = Daemon()
wallet = Wallet()
daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 80)
wallet.refresh()
def create_txes(self, address, ntxes):
print('Creating ' + str(ntxes) + ' transactions')
daemon = Daemon()
wallet = Wallet()
dst = {'address': address, 'amount': 1000000000000}
txes = {}
for i in range(ntxes):
res = wallet.transfer([dst], get_tx_hex = True)
txes[res.tx_hash] = res
return txes
def check_empty_pool(self):
daemon = Daemon()
res = daemon.get_transaction_pool_hashes()
assert not 'tx_hashes' in res or len(res.tx_hashes) == 0
res = daemon.get_transaction_pool_stats()
assert res.pool_stats.bytes_total == 0
assert res.pool_stats.bytes_min == 0
assert res.pool_stats.bytes_max == 0
assert res.pool_stats.bytes_med == 0
assert res.pool_stats.fee_total == 0
assert res.pool_stats.oldest == 0
assert res.pool_stats.txs_total == 0
assert res.pool_stats.num_failing == 0
assert res.pool_stats.num_10m == 0
assert res.pool_stats.num_not_relayed == 0
assert res.pool_stats.histo_98pc == 0
assert not 'histo' in res.pool_stats or len(res.pool_stats.histo) == 0
assert res.pool_stats.num_double_spends == 0
def check_txpool(self):
daemon = Daemon()
wallet = Wallet()
zmq = Zmq()
zmq_topic = "json-minimal-txpool_add"
zmq.sub(zmq_topic)
res = daemon.get_info()
height = res.height
txpool_size = res.tx_pool_size
self.check_empty_pool()
txes = self.create_txes('46r4nYSevkfBUMhuykdK3gQ98XDqDTYW1hNLaXNvjpsJaSbNtdXh1sKMsdVgqkaihChAzEy29zEDPMR3NHQvGoZCLGwTerK', 5)
res = daemon.get_info()
assert res.tx_pool_size == txpool_size + 5
txpool_size = res.tx_pool_size
res = daemon.get_transaction_pool()
assert len(res.transactions) == txpool_size
total_bytes = 0
total_fee = 0
min_bytes = 99999999999999
max_bytes = 0
for txid in txes.keys():
x = [x for x in res.transactions if x.id_hash == txid]
assert len(x) == 1
x = x[0]
assert x.kept_by_block == False
assert x.last_failed_id_hash == '0'*64
assert x.double_spend_seen == False
assert x.weight >= x.blob_size
assert x.blob_size * 2 == len(txes[txid].tx_blob)
assert x.fee == txes[txid].fee
assert x.tx_blob == txes[txid].tx_blob
total_bytes += x.blob_size
total_fee += x.fee
min_bytes = min(min_bytes, x.blob_size)
max_bytes = max(max_bytes, x.blob_size)
print('Checking all txs received via zmq')
for i in range(len(txes.keys())):
zmq_event = zmq.recv(zmq_topic)
assert len(zmq_event) == 1
zmq_tx = zmq_event[0]
x = [x for x in res.transactions if x.id_hash == zmq_tx["id"]]
assert len(x) == 1
x = x[0]
assert x.blob_size == zmq_tx["blob_size"]
assert x.weight == zmq_tx["weight"]
assert x.fee == zmq_tx["fee"]
res = daemon.get_transaction_pool_hashes()
assert sorted(res.tx_hashes) == sorted(txes.keys())
res = daemon.get_transaction_pool_stats()
assert res.pool_stats.bytes_total == total_bytes
assert res.pool_stats.bytes_min == min_bytes
assert res.pool_stats.bytes_max == max_bytes
assert res.pool_stats.bytes_med >= min_bytes and res.pool_stats.bytes_med <= max_bytes
assert res.pool_stats.fee_total == total_fee
assert res.pool_stats.txs_total == len(txes)
assert res.pool_stats.num_failing == 0
assert res.pool_stats.num_10m == 0
assert res.pool_stats.num_not_relayed == 0
assert res.pool_stats.num_double_spends == 0
print('Flushing 2 transactions')
txes_keys = list(txes.keys())
daemon.flush_txpool([txes_keys[1], txes_keys[3]])
res = daemon.get_transaction_pool()
assert len(res.transactions) == txpool_size - 2
assert len([x for x in res.transactions if x.id_hash == txes_keys[1]]) == 0
assert len([x for x in res.transactions if x.id_hash == txes_keys[3]]) == 0
new_keys = list(txes.keys())
new_keys.remove(txes_keys[1])
new_keys.remove(txes_keys[3])
res = daemon.get_transaction_pool_hashes()
assert sorted(res.tx_hashes) == sorted(new_keys)
res = daemon.get_transaction_pool()
assert len(res.transactions) == len(new_keys)
total_bytes = 0
total_fee = 0
min_bytes = 99999999999999
max_bytes = 0
for txid in new_keys:
x = [x for x in res.transactions if x.id_hash == txid]
assert len(x) == 1
x = x[0]
assert x.kept_by_block == False
assert x.last_failed_id_hash == '0'*64
assert x.double_spend_seen == False
assert x.weight >= x.blob_size
assert x.blob_size * 2 == len(txes[txid].tx_blob)
assert x.fee == txes[txid].fee
assert x.tx_blob == txes[txid].tx_blob
total_bytes += x.blob_size
total_fee += x.fee
min_bytes = min(min_bytes, x.blob_size)
max_bytes = max(max_bytes, x.blob_size)
res = daemon.get_transaction_pool_stats()
assert res.pool_stats.bytes_total == total_bytes
assert res.pool_stats.bytes_min == min_bytes
assert res.pool_stats.bytes_max == max_bytes
assert res.pool_stats.bytes_med >= min_bytes and res.pool_stats.bytes_med <= max_bytes
assert res.pool_stats.fee_total == total_fee
assert res.pool_stats.txs_total == len(new_keys)
assert res.pool_stats.num_failing == 0
assert res.pool_stats.num_10m == 0
assert res.pool_stats.num_not_relayed == 0
assert res.pool_stats.num_double_spends == 0
print('Flushing unknown transactions')
unknown_txids = ['1'*64, '2'*64, '3'*64]
daemon.flush_txpool(unknown_txids)
res = daemon.get_transaction_pool()
assert len(res.transactions) == txpool_size - 2
print('Mining transactions')
daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 1)
res = daemon.get_transaction_pool()
assert not 'transactions' in res or len(res.transactions) == txpool_size - 5
res = daemon.get_transaction_pool_hashes()
assert not 'tx_hashes' in res or len(res.tx_hashes) == 0
self.check_empty_pool()
print('Popping block')
daemon.pop_blocks(1)
res = daemon.get_transaction_pool_hashes()
assert sorted(res.tx_hashes) == sorted(new_keys)
res = daemon.get_transaction_pool()
assert len(res.transactions) == txpool_size - 2
for txid in new_keys:
x = [x for x in res.transactions if x.id_hash == txid]
assert len(x) == 1
x = x[0]
assert x.kept_by_block == True
assert x.last_failed_id_hash == '0'*64
assert x.double_spend_seen == False
assert x.weight >= x.blob_size
assert x.blob_size * 2 == len(txes[txid].tx_blob)
assert x.fee == txes[txid].fee
assert x.tx_blob == txes[txid].tx_blob
print('Checking relaying txes')
res = daemon.get_transaction_pool_hashes()
assert len(res.tx_hashes) > 0
txid = res.tx_hashes[0]
daemon.relay_tx([txid])
res = daemon.get_transactions([txid])
assert len(res.txs) == 1
assert res.txs[0].tx_hash == txid
assert res.txs[0].in_pool
assert res.txs[0].relayed
daemon.flush_txpool()
self.check_empty_pool()
if __name__ == '__main__':
TransferTest().run_test()
