dash/test/functional/mempool_limit.py
Wladimir J. van der Laan 67cf9591c4
Merge #12001: [RPC] Adding ::minRelayTxFee amount to getmempoolinfo and updating help
aad3090 [rpc] Adding ::minRelayTxFee amount to getmempoolinfo and updating mempoolminfee help description (Jeff Rade)

Pull request description:

  These are RPC document changes from #11475 which is now merged.  Took into consideration comments from #11475 and #6941 for this PR.

  Biggest change here is when calling `getmempoolinfo`, will now show the `minrelaytxfee` in the JSON reponse (see below):

  ```
  $ bitcoin-cli getmempoolinfo
  {
    "size": 50,
    "bytes": 13102,
    "usage": 70480,
    "maxmempool": 300000000,
    "mempoolminfee": 0.00001000,
    "minrelaytxfee": 0.00001000
  }
  ```

  Fixes #8953

Tree-SHA512: 5ca583961365ee1cfe6e0d19afb0b41d542e179efee3b3c5f3fcf7d3ebca9cc3eedfd1434a0da40c5eed84fba98b35646fda201e6e61c689b58bee9cbea44b9e
2020-02-27 10:36:04 -06:00

55 lines
2.5 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2014-2016 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 test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
class MempoolLimitTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 1
self.extra_args = [["-maxmempool=5", "-spendzeroconfchange=0"]]
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(relayfee, self.nodes[0], 491)
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].signrawtransaction(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'))
if __name__ == '__main__':
MempoolLimitTest().main()