qa: add -paytxfee and -mintxfee interaction test
Test that the interaction between the wallet parameters -paytxfee and -mintxfee function as intended. This has to be done using rpc tests rather than unit tests because it tests the actual parameters passed to the executables.
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@ -155,6 +155,7 @@ testScripts = [
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# 'nulldummy.py',
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'import-rescan.py',
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'harddustlimit.py',
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'paytxfee.py',
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# While fee bumping should work in Doge, these tests depend on free transactions, which we don't support.
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# Disable until we can do a full rewrite of the tests (possibly upstream), or revise fee schedule, or something
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'bumpfee.py',
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82
qa/rpc-tests/paytxfee.py
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82
qa/rpc-tests/paytxfee.py
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@ -0,0 +1,82 @@
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#!/usr/bin/env python3
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# Copyright (c) 2021 The Dogecoin 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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"""PayTxFee QA test.
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# Tests wallet behavior of -paytxfee in relation to -mintxfee
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"""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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from decimal import Decimal
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class PayTxFeeTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.setup_clean_chain = True
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self.num_nodes = 4
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def setup_nodes(self, split=False):
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nodes = []
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# node 0 has txindex to track txs
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nodes.append(start_node(0, self.options.tmpdir,
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["-debug", '-txindex']))
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# node 1 pays 0.1 DOGE on all txs due to implicit mintxfee = paytxfee
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nodes.append(start_node(1, self.options.tmpdir,
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["-paytxfee=0.1", "-debug"]))
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# node 2 will always pay 1 DOGE on all txs because of explicit mintxfee
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nodes.append(start_node(2, self.options.tmpdir,
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["-mintxfee=1", "-paytxfee=0.1", "-debug"]))
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# node 3 will always pay 0.1 DOGE on all txs despite explicit mintxfee of 0.01
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nodes.append(start_node(3, self.options.tmpdir,
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["-mintxfee=0.01", "-paytxfee=0.1", "-debug"]))
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return nodes
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def run_test(self):
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seed = 1000 # the amount to seed wallets with
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amount = 995 # the amount to send back
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targetAddress = self.nodes[0].getnewaddress()
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# mine some blocks and prepare some coins
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self.nodes[0].generate(102)
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self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), seed)
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self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), seed)
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self.nodes[0].sendtoaddress(self.nodes[3].getnewaddress(), seed)
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self.nodes[0].generate(1)
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self.sync_all()
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# create transactions
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txid1 = self.nodes[1].sendtoaddress(targetAddress, amount)
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txid2 = self.nodes[2].sendtoaddress(targetAddress, amount)
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txid3 = self.nodes[3].sendtoaddress(targetAddress, amount)
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self.sync_all()
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# make sure correct fees were paid
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tx1 = self.nodes[0].getrawtransaction(txid1, True)
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tx2 = self.nodes[0].getrawtransaction(txid2, True)
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tx3 = self.nodes[0].getrawtransaction(txid3, True)
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assert_equal(tx1['vout'][0]['value'] + tx1['vout'][1]['value'], Decimal("999.9"))
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assert_equal(tx2['vout'][0]['value'] + tx2['vout'][1]['value'], Decimal("999"))
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assert_equal(tx3['vout'][0]['value'] + tx3['vout'][1]['value'], Decimal("999.9"))
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# mine a block
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self.nodes[0].generate(1);
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self.sync_all()
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# make sure all fees were mined
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block = self.nodes[0].getblock(self.nodes[0].getbestblockhash())
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coinbaseTx = self.nodes[0].getrawtransaction(block['tx'][0], True)
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assert_equal(coinbaseTx['vout'][0]['value'], Decimal("500001.2"))
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if __name__ == '__main__':
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PayTxFeeTest().main()
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