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75 lines
3.4 KiB
75 lines
3.4 KiB
3 years ago
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#!/usr/bin/env python3
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# Copyright (c) 2014-2019 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test mempool limiting together/eviction with the wallet."""
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from decimal import Decimal
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from test_framework.test_framework import BitcoinTestFramework
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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
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class MempoolLimitTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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self.extra_args = [[
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"-acceptnonstdtxn=1",
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"-maxmempool=5",
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"-spendzeroconfchange=0",
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]]
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self.supports_cli = False
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def run_test(self):
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txouts = gen_return_txouts()
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relayfee = self.nodes[0].getnetworkinfo()['relayfee']
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self.log.info('Check that mempoolminfee is minrelytxfee')
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assert_equal(self.nodes[0].getmempoolinfo()['minrelaytxfee'], Decimal('0.00001000'))
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assert_equal(self.nodes[0].getmempoolinfo()['mempoolminfee'], Decimal('0.00001000'))
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txids = []
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utxos = create_confirmed_utxos(relayfee, self.nodes[0], 91)
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self.log.info('Create a mempool tx that will be evicted')
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us0 = utxos.pop()
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inputs = [{ "txid" : us0["txid"], "vout" : us0["vout"]}]
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outputs = {self.nodes[0].getnewaddress() : 0.0001}
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tx = self.nodes[0].createrawtransaction(inputs, outputs)
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self.nodes[0].settxfee(relayfee) # specifically fund this tx with low fee
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txF = self.nodes[0].fundrawtransaction(tx)
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self.nodes[0].settxfee(0) # return to automatic fee selection
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txFS = self.nodes[0].signrawtransactionwithwallet(txF['hex'])
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txid = self.nodes[0].sendrawtransaction(txFS['hex'])
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relayfee = self.nodes[0].getnetworkinfo()['relayfee']
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base_fee = relayfee*100
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for i in range (3):
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txids.append([])
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txids[i] = create_lots_of_big_transactions(self.nodes[0], txouts, utxos[30*i:30*i+30], 30, (i+1)*base_fee)
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self.log.info('The tx should be evicted by now')
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assert txid not in self.nodes[0].getrawmempool()
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txdata = self.nodes[0].gettransaction(txid)
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assert txdata['confirmations'] == 0 #confirmation should still be 0
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self.log.info('Check that mempoolminfee is larger than minrelytxfee')
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assert_equal(self.nodes[0].getmempoolinfo()['minrelaytxfee'], Decimal('0.00001000'))
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assert_greater_than(self.nodes[0].getmempoolinfo()['mempoolminfee'], Decimal('0.00001000'))
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self.log.info('Create a mempool tx that will not pass mempoolminfee')
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us0 = utxos.pop()
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inputs = [{ "txid" : us0["txid"], "vout" : us0["vout"]}]
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outputs = {self.nodes[0].getnewaddress() : 0.0001}
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tx = self.nodes[0].createrawtransaction(inputs, outputs)
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# specifically fund this tx with a fee < mempoolminfee, >= than minrelaytxfee
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txF = self.nodes[0].fundrawtransaction(tx, {'feeRate': relayfee})
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txFS = self.nodes[0].signrawtransactionwithwallet(txF['hex'])
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assert_raises_rpc_error(-26, "mempool min fee not met", self.nodes[0].sendrawtransaction, txFS['hex'])
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if __name__ == '__main__':
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MempoolLimitTest().main()
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