git / moonbite-core / test/functional/mempool_limit.py · raw

#!/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 Decimalfrom test_framework.test_framework import BitcoinTestFrameworkfrom test_framework.util import assert_equal, assert_greater_than, assert_raises_rpc_error, create_confirmed_utxos, create_lots_of_big_transactions, gen_return_txoutsclass MempoolLimitTest(BitcoinTestFramework):    def set_test_params(self):        self.setup_clean_chain = True        self.num_nodes = 1        self.extra_args = [[            "-acceptnonstdtxn=1",            "-maxmempool=5",            "-mintxfee=0.00001",            "-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(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()