1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#!/usr/bin/env python3
# Copyright (c) 2014-2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test mempool limiting together/eviction with the wallet."""
from decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_greater_than, assert_raises_rpc_error, create_confirmed_utxos, create_lots_of_big_transactions, gen_return_txouts
class MempoolLimitTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 1
self.extra_args = [[
"-acceptnonstdtxn=1",
"-maxmempool=5",
"-spendzeroconfchange=0",
]]
self.supports_cli = False
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
txouts = gen_return_txouts()
relayfee = self.nodes[0].getnetworkinfo()['relayfee']
self.log.info('Check that mempoolminfee is minrelytxfee')
assert_equal(self.nodes[0].getmempoolinfo()['minrelaytxfee'], Decimal('0.00001000'))
assert_equal(self.nodes[0].getmempoolinfo()['mempoolminfee'], Decimal('0.00001000'))
txids = []
utxos = create_confirmed_utxos(self, relayfee, self.nodes[0], 91)
self.log.info('Create a mempool tx that will be evicted')
us0 = utxos.pop()
inputs = [{ "txid" : us0["txid"], "vout" : us0["vout"]}]
outputs = {self.nodes[0].getnewaddress() : 0.0001}
tx = self.nodes[0].createrawtransaction(inputs, outputs)
self.nodes[0].settxfee(relayfee) # specifically fund this tx with low fee
txF = self.nodes[0].fundrawtransaction(tx)
self.nodes[0].settxfee(0) # return to automatic fee selection
txFS = self.nodes[0].signrawtransactionwithwallet(txF['hex'])
txid = self.nodes[0].sendrawtransaction(txFS['hex'])
relayfee = self.nodes[0].getnetworkinfo()['relayfee']
base_fee = relayfee*100
for i in range (3):
txids.append([])
txids[i] = create_lots_of_big_transactions(self.nodes[0], txouts, utxos[30*i:30*i+30], 30, (i+1)*base_fee)
self.log.info('The tx should be evicted by now')
assert txid not in self.nodes[0].getrawmempool()
txdata = self.nodes[0].gettransaction(txid)
assert txdata['confirmations'] == 0 #confirmation should still be 0
self.log.info('Check that mempoolminfee is larger than minrelytxfee')
assert_equal(self.nodes[0].getmempoolinfo()['minrelaytxfee'], Decimal('0.00001000'))
assert_greater_than(self.nodes[0].getmempoolinfo()['mempoolminfee'], Decimal('0.00001000'))
self.log.info('Create a mempool tx that will not pass mempoolminfee')
us0 = utxos.pop()
inputs = [{ "txid" : us0["txid"], "vout" : us0["vout"]}]
outputs = {self.nodes[0].getnewaddress() : 0.0001}
tx = self.nodes[0].createrawtransaction(inputs, outputs)
# specifically fund this tx with a fee < mempoolminfee, >= than minrelaytxfee
txF = self.nodes[0].fundrawtransaction(tx, {'feeRate': relayfee})
txFS = self.nodes[0].signrawtransactionwithwallet(txF['hex'])
assert_raises_rpc_error(-26, "mempool min fee not met", self.nodes[0].sendrawtransaction, txFS['hex'])
if __name__ == '__main__':
MempoolLimitTest().main()
|
