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test/functional/mempool_packages.py

#!/usr/bin/env python3 #!/usr/bin/env python3
# Copyright (c) 2014-2019 The Bitcoin Core developers # Copyright (c) 2014-2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying # Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php. # file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test descendant package tracking code.""" """Test descendant package tracking code."""
from decimal import Decimal from decimal import Decimal
from test_framework.messages import COIN from test_framework.messages import COIN
from test_framework.test_framework import BitcoinTestFramework from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import ( from test_framework.util import (
assert_equal, assert_equal,
assert_raises_rpc_error, assert_raises_rpc_error,
satoshi_round, satoshi_round,
) )
# TODO: The activation code can be reverted after the new policy becomes
# active.
# Phonon dummy activation time
ACTIVATION_TIME = 2000000000
# Replay protection time needs to be moved beyond phonon activation
REPLAY_PROTECTION_TIME = ACTIVATION_TIME * 2
MAX_ANCESTORS = 50 MAX_ANCESTORS = 50
MAX_DESCENDANTS = 50 MAX_DESCENDANTS = 50
class MempoolPackagesTest(BitcoinTestFramework): class MempoolPackagesTest(BitcoinTestFramework):
def set_test_params(self): def set_test_params(self):
self.num_nodes = 2 self.num_nodes = 2
common_params = ["-maxorphantx=1000"]
common_params = ["-maxorphantx=1000",
"-phononactivationtime={}".format(ACTIVATION_TIME),
"-replayprotectionactivationtime={}".format(REPLAY_PROTECTION_TIME)]
self.extra_args = [common_params, self.extra_args = [common_params,
common_params + ["-limitancestorcount=5"]] common_params + ["-limitancestorcount=5"]]
def skip_test_if_missing_module(self): def skip_test_if_missing_module(self):
self.skip_if_no_wallet() self.skip_if_no_wallet()
# Build a transaction that spends parent_txid:vout # Build a transaction that spends parent_txid:vout
# Return amount sent # Return amount sent
def chain_transaction(self, node, parent_txid, vout, def chain_transaction(self, node, parent_txid, vout,
value, fee, num_outputs): value, fee, num_outputs):
send_value = satoshi_round((value - fee) / num_outputs) send_value = satoshi_round((value - fee) / num_outputs)
inputs = [{'txid': parent_txid, 'vout': vout}] inputs = [{'txid': parent_txid, 'vout': vout}]
outputs = {} outputs = {}
for i in range(num_outputs): for i in range(num_outputs):
outputs[node.getnewaddress()] = send_value outputs[node.getnewaddress()] = send_value
rawtx = node.createrawtransaction(inputs, outputs) rawtx = node.createrawtransaction(inputs, outputs)
signedtx = node.signrawtransactionwithwallet(rawtx) signedtx = node.signrawtransactionwithwallet(rawtx)
txid = node.sendrawtransaction(signedtx['hex']) txid = node.sendrawtransaction(signedtx['hex'])
fulltx = node.getrawtransaction(txid, 1) fulltx = node.getrawtransaction(txid, 1)
# make sure we didn't generate a change output # make sure we didn't generate a change output
assert len(fulltx['vout']) == num_outputs assert len(fulltx['vout']) == num_outputs
return (txid, send_value) return (txid, send_value)
def run_test(self): def run_test(self):
[n.setmocktime(ACTIVATION_TIME) for n in self.nodes]
# Mine some blocks and have them mature. # Mine some blocks and have them mature.
self.nodes[0].generate(101) self.nodes[0].generate(101)
utxo = self.nodes[0].listunspent(10) utxo = self.nodes[0].listunspent(10)
txid = utxo[0]['txid'] txid = utxo[0]['txid']
vout = utxo[0]['vout'] vout = utxo[0]['vout']
value = utxo[0]['amount'] value = utxo[0]['amount']
fee = Decimal("0.0001") fee = Decimal("0.0001")
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