178 lines
6.8 KiB
Python
178 lines
6.8 KiB
Python
#!/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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"""Dust limit QA test.
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# Tests nodes with differing mempool/relay dust limits
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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 DustLimitTest(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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# set up receiving addresses outside of nodes' wallets
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self.recv_1 = "n4LRQGEKcyRCXqD2MH3ompyMTJKitxu1WP"
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self.recv_2 = "n1eAe5K2AQUtbmMxVzWnGAyq4hkWJdse2x"
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# seed moneys
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self.seed = 100
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def setup_nodes(self, split=False):
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nodes = []
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# 1.10.0-like node with only a soft dust limit
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nodes.append(start_node(0, self.options.tmpdir,
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["-acceptnonstdtxn=0", "-dustlimit=1", "-harddustlimit=0.0", "-minrelaytxfee=1", "-debug"]))
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# 1.14.2-like node with only a hard dust limit
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nodes.append(start_node(1, self.options.tmpdir,
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["-acceptnonstdtxn=0", "-dustlimit=1", "-harddustlimit=1", "-minrelaytxfee=1", "-debug"]))
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# 1.14.5-like node with a lower, different hard and soft dust limit
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nodes.append(start_node(2, self.options.tmpdir,
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["-acceptnonstdtxn=0", "-dustlimit=0.01", "-harddustlimit=0.001", "-debug"]))
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# node that should accept everything
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nodes.append(start_node(3, self.options.tmpdir,
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["-acceptnonstdtxn=0", "-dustlimit=0.0", "-harddustlimit=0.0", "-minrelaytxfee=0.00000001", "-debug"]))
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return nodes
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def setup_network(self, split = False):
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self.nodes = self.setup_nodes()
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# connect everything to everything
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for s in range(0, self.num_nodes):
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for t in range(s+1, self.num_nodes):
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connect_nodes_bi(self.nodes, s, t)
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self.is_network_split = False
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self.sync_all()
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def run_test(self):
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# make sure the dust limits got configured
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self.check_dust_config(self.nodes[0], Decimal("1.0"), Decimal("0.0"))
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self.check_dust_config(self.nodes[1], Decimal("1.0"), Decimal("1.0"))
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self.check_dust_config(self.nodes[2], Decimal("0.01"), Decimal("0.001"))
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self.check_dust_config(self.nodes[3], Decimal("0.0"), Decimal("0.0"))
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# set up 10 seeded addresses for node 0-2
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addrs = []
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for i in range(3):
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for _ in range(10):
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addrs.append(self.nodes[i].getnewaddress())
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# mine some blocks and prepare some coins
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self.nodes[2].generate(1)
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self.sync_all()
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self.nodes[0].generate(101)
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self.sync_all()
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for addr in addrs:
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self.nodes[0].sendtoaddress(addr, self.seed)
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self.nodes[0].generate(1)
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self.sync_all()
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# create dusty transactions
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txids = [
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self.send_dusty_tx(self.nodes[1], Decimal("1"), Decimal("1")), # goes to all
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self.send_dusty_tx(self.nodes[0], Decimal("0.9"), Decimal("2")), # goes to 3/4
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self.send_dusty_tx(self.nodes[0], Decimal("0.0009"), Decimal("2")), # goes to 3/4
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self.send_dusty_tx(self.nodes[2], Decimal("0.001"), Decimal("2")), # goes to 3/4
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self.send_dusty_tx(self.nodes[2], Decimal("0.001"), Decimal("0.02")), # goes to 2/4
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]
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# nodes do not accept dust under their hard dust limit
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# no matter how much fee is paid
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self.get_dust_rejection(self.nodes[2], Decimal("0.0009"), Decimal("5"))
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self.get_dust_rejection(self.nodes[1], Decimal("0.9"), Decimal("5"))
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# wait 15 seconds to sync mempools
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time.sleep(15)
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assert_equal(self.nodes[0].getmempoolinfo()['size'], 4) # 4 of 5
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assert_equal(self.nodes[1].getmempoolinfo()['size'], 1) # 1 of 5
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assert_equal(self.nodes[2].getmempoolinfo()['size'], 4) # 4 of 5
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assert_equal(self.nodes[3].getmempoolinfo()['size'], 5) # all
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# check each tx
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i = 0
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for checktx in [[0,1,2,3], [0], [0,1,3,4], [0,1,2,3,4]]:
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for idx in checktx:
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assert(txids[idx] in self.nodes[i].getrawmempool())
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i += 1
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# mining the 1 tx known to node 1
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self.nodes[1].generate(1)
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sync_blocks(self.nodes)
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assert_equal(self.nodes[0].getmempoolinfo()['size'], 3) # 3 of 4
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assert_equal(self.nodes[1].getmempoolinfo()['size'], 0) # none left
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assert_equal(self.nodes[2].getmempoolinfo()['size'], 3) # 3 of 4
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assert_equal(self.nodes[3].getmempoolinfo()['size'], 4) # all
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# check each tx
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i = 0
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for checktx in [[1,2,3], [], [1,3,4], [1,2,3,4]]:
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for idx in checktx:
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assert(txids[idx] in self.nodes[i].getrawmempool())
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i += 1
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# mine the 3 tx known to node 0
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self.nodes[0].generate(1)
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sync_blocks(self.nodes)
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# now only the last tx is left
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assert_equal(self.nodes[0].getmempoolinfo()['size'], 0) # none left
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assert_equal(self.nodes[1].getmempoolinfo()['size'], 0) # none left
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assert_equal(self.nodes[2].getmempoolinfo()['size'], 1) # all
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assert_equal(self.nodes[3].getmempoolinfo()['size'], 1) # all
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# check each tx on the remaining nodes
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for i in [2,3]:
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assert(txids[4] in self.nodes[i].getrawmempool())
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# after mining the last tx from node 2, all nodes should have empty mempools
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self.nodes[2].generate(1)
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self.sync_all()
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assert_equal(self.nodes[0].getmempoolinfo()['size'], 0)
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assert_equal(self.nodes[1].getmempoolinfo()['size'], 0)
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assert_equal(self.nodes[2].getmempoolinfo()['size'], 0)
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assert_equal(self.nodes[3].getmempoolinfo()['size'], 0)
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print("such success. wow!")
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def create_dusty_tx(self, n, dust, fee):
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minAmount = 5 * (dust + fee)
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avail = n.listunspent(0, 1000, [], True, {'minimumAmount': minAmount})[0]
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inputs = [ {'txid': avail['txid'], 'vout': avail['vout']} ]
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outputs = { self.recv_1 : avail['amount'] - fee - dust , self.recv_2: dust }
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rawtx = n.createrawtransaction(inputs, outputs)
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return n.signrawtransaction(rawtx)
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def send_dusty_tx(self, n, dust, fee):
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rawtx = self.create_dusty_tx(n, dust, fee)
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return n.sendrawtransaction(rawtx['hex'])
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def get_dust_rejection(self, n, dust, fee):
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rawtx = self.create_dusty_tx(n, dust, fee)
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assert_raises_jsonrpc(-26, "dust", n.sendrawtransaction, rawtx['hex'])
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def check_dust_config(self, n, soft, hard):
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networkinfo = n.getnetworkinfo()
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assert_equal(networkinfo["softdustlimit"], soft)
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assert_equal(networkinfo["harddustlimit"], hard)
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if __name__ == '__main__':
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DustLimitTest().main()
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