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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

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1#!/usr/bin/env python3
2# Copyright (c) 2015-present The Bitcoin Core developers
3# Distributed under the MIT software license, see the accompanying
4# file COPYING or http://www.opensource.org/licenses/mit-license.php.
5"""Test the prioritisetransaction mining RPC."""
6
7from decimal import Decimal
8import time
9
10from test_framework.blocktools import NORMAL_GBT_REQUEST_PARAMS
11from test_framework.messages import (
12    COIN,
13    MAX_BLOCK_WEIGHT,
14)
15from test_framework.test_framework import BitcoinTestFramework
16from test_framework.util import (
17    assert_not_equal,
18    assert_equal,
19    assert_raises_rpc_error,
20    create_lots_of_big_transactions,
21    gen_return_txouts,
22)
23from test_framework.wallet import MiniWallet
24
25
26class PrioritiseTransactionTest(BitcoinTestFramework):
27    def set_test_params(self):
28        self.num_nodes = 1
29        self.extra_args = [[
30            "-printpriority=1",
31        ]] * self.num_nodes
32        self.supports_cli = False
33
34    def clear_prioritisation(self, node):
35        for txid, info in node.getprioritisedtransactions().items():
36            delta = info["fee_delta"]
37            node.prioritisetransaction(txid, 0, -delta)
38        assert_equal(node.getprioritisedtransactions(), {})
39
40    def test_large_fee_bump(self):
41        self.log.info("Test that a large fee delta is honoured")
42        tx = self.wallet.create_self_transfer()
43        txid = tx["txid"]
44        fee_delta = int(86 * COIN)  # large enough to not fit into (u)int32_t
45        self.nodes[0].prioritisetransaction(txid=txid, fee_delta=fee_delta)
46        assert_equal(
47            self.nodes[0].getprioritisedtransactions(),
48            {
49                txid: {
50                    "fee_delta": fee_delta,
51                    "in_mempool": False,
52                },
53            },
54        )
55        self.nodes[0].sendrawtransaction(tx["hex"])
56        expected_modified_fee = tx["fee"] + Decimal(fee_delta) / COIN
57        assert_equal(
58            self.nodes[0].getprioritisedtransactions(),
59            {
60                txid: {
61                    "fee_delta": fee_delta,
62                    "in_mempool": True,
63                    "modified_fee": int(expected_modified_fee * COIN),
64                },
65            },
66        )
67        # This transaction forms its own chunk.
68        mempool_entry = self.nodes[0].getrawmempool(verbose=True)[txid]
69        assert_equal(mempool_entry["fees"]["base"], tx["fee"])
70        assert_equal(mempool_entry["fees"]["modified"], expected_modified_fee)
71        assert_equal(mempool_entry["fees"]["ancestor"], expected_modified_fee)
72        assert_equal(mempool_entry["fees"]["descendant"], expected_modified_fee)
73        assert_equal(mempool_entry["fees"]["chunk"], expected_modified_fee)
74        assert_equal(mempool_entry["chunkweight"], mempool_entry["weight"])
75        append_chunk_info = self.nodes[0].getmempoolcluster(txid)
76        assert_equal(
77            append_chunk_info,
78            {
79                "clusterweight": mempool_entry["weight"],
80                "txcount": 1,
81                "chunks": [{
82                    "chunkfee": expected_modified_fee,
83                    "chunkweight": mempool_entry["weight"],
84                    "txs": [txid],
85                }],
86            },
87        )
88        self.generate(self.nodes[0], 1)
89        assert_equal(self.nodes[0].getprioritisedtransactions(), {})
90
91    def test_replacement(self):
92        self.log.info("Test tx prioritisation stays after a tx is replaced")
93        conflicting_input = self.wallet.get_utxo()
94        tx_replacee = self.wallet.create_self_transfer(utxo_to_spend=conflicting_input, fee_rate=Decimal("0.0001"))
95        tx_replacement = self.wallet.create_self_transfer(utxo_to_spend=conflicting_input, fee_rate=Decimal("0.005"))
96        # Add 1 satoshi fee delta to replacee
97        self.nodes[0].prioritisetransaction(tx_replacee["txid"], 0, 100)
98        assert_equal(self.nodes[0].getprioritisedtransactions(), { tx_replacee["txid"] : { "fee_delta" : 100, "in_mempool" : False}})
99        self.nodes[0].sendrawtransaction(tx_replacee["hex"])
100        assert_equal(self.nodes[0].getprioritisedtransactions(), { tx_replacee["txid"] : { "fee_delta" : 100, "in_mempool" : True, "modified_fee": int(tx_replacee["fee"] * COIN + 100)}})
101        self.nodes[0].sendrawtransaction(tx_replacement["hex"])
102        assert tx_replacee["txid"] not in self.nodes[0].getrawmempool()
103        assert_equal(self.nodes[0].getprioritisedtransactions(), { tx_replacee["txid"] : { "fee_delta" : 100, "in_mempool" : False}})
104
105        # PrioritiseTransaction is additive
106        self.nodes[0].prioritisetransaction(tx_replacee["txid"], 0, COIN)
107        self.nodes[0].sendrawtransaction(tx_replacee["hex"])
108        assert_equal(self.nodes[0].getprioritisedtransactions(), { tx_replacee["txid"] : { "fee_delta" : COIN + 100, "in_mempool" : True, "modified_fee": int(tx_replacee["fee"] * COIN + COIN + 100)}})
109        self.generate(self.nodes[0], 1)
110        assert_equal(self.nodes[0].getprioritisedtransactions(), {})
111
112    def test_diamond(self):
113        self.log.info("Test diamond-shape package with priority")
114        mock_time = int(time.time())
115        self.nodes[0].setmocktime(mock_time)
116
117        #      tx_a
118        #      / \
119        #     /   \
120        #   tx_b  tx_c
121        #     \   /
122        #      \ /
123        #      tx_d
124
125        tx_o_a = self.wallet.send_self_transfer_multi(
126            from_node=self.nodes[0],
127            num_outputs=2,
128        )
129        txid_a = tx_o_a["txid"]
130
131        tx_o_b, tx_o_c = [self.wallet.send_self_transfer(
132            from_node=self.nodes[0],
133            utxo_to_spend=u,
134        ) for u in tx_o_a["new_utxos"]]
135        txid_b = tx_o_b["txid"]
136        txid_c = tx_o_c["txid"]
137
138        tx_o_d = self.wallet.send_self_transfer_multi(
139            from_node=self.nodes[0],
140            utxos_to_spend=[
141                self.wallet.get_utxo(txid=txid_b),
142                self.wallet.get_utxo(txid=txid_c),
143            ],
144        )
145        txid_d = tx_o_d["txid"]
146
147        self.log.info("Test priority while txs are in mempool")
148        raw_before = self.nodes[0].getrawmempool(verbose=True)
149        fee_delta_b = Decimal(9999) / COIN
150        fee_delta_c_1 = Decimal(-1234) / COIN
151        fee_delta_c_2 = Decimal(8888) / COIN
152        self.nodes[0].prioritisetransaction(txid=txid_b, fee_delta=int(fee_delta_b * COIN))
153        self.nodes[0].prioritisetransaction(txid=txid_c, fee_delta=int(fee_delta_c_1 * COIN))
154        self.nodes[0].prioritisetransaction(txid=txid_c, fee_delta=int(fee_delta_c_2 * COIN))
155        raw_before[txid_a]["fees"]["descendant"] += fee_delta_b + fee_delta_c_1 + fee_delta_c_2
156        # We expect tx_a to have a chunk fee that includes tx_b and tx_c.
157        raw_before[txid_a]["fees"]["chunk"] += fee_delta_b + fee_delta_c_1 + fee_delta_c_2
158        raw_before[txid_b]["fees"]["modified"] += fee_delta_b
159        raw_before[txid_b]["fees"]["ancestor"] += fee_delta_b
160        raw_before[txid_b]["fees"]["descendant"] += fee_delta_b
161        # We also expect tx_b and tx_c to have their chunk fees modified too,
162        # since they chunk together.
163        raw_before[txid_b]["fees"]["chunk"] += fee_delta_b + fee_delta_c_1 + fee_delta_c_2
164        raw_before[txid_c]["fees"]["modified"] += fee_delta_c_1 + fee_delta_c_2
165        raw_before[txid_c]["fees"]["ancestor"] += fee_delta_c_1 + fee_delta_c_2
166        raw_before[txid_c]["fees"]["descendant"] += fee_delta_c_1 + fee_delta_c_2
167        raw_before[txid_c]["fees"]["chunk"] += fee_delta_b + fee_delta_c_1 + fee_delta_c_2
168        raw_before[txid_d]["fees"]["ancestor"] += fee_delta_b + fee_delta_c_1 + fee_delta_c_2
169        raw_after = self.nodes[0].getrawmempool(verbose=True)
170        # Don't bother comparing cluster ids, which are not meant to be stable.
171        assert_equal(raw_before[txid_a], raw_after[txid_a])
172        assert_equal(raw_before, raw_after)
173        assert_equal(self.nodes[0].getprioritisedtransactions(), {txid_b: {"fee_delta" : fee_delta_b*COIN, "in_mempool" : True, "modified_fee": int(fee_delta_b*COIN + COIN * tx_o_b["fee"])}, txid_c: {"fee_delta" : (fee_delta_c_1 + fee_delta_c_2)*COIN, "in_mempool" : True, "modified_fee": int((fee_delta_c_1 + fee_delta_c_2 ) * COIN + COIN * tx_o_c["fee"])}})
174        # Clear prioritisation, otherwise the transactions' fee deltas are persisted to mempool.dat and loaded again when the node
175        # is restarted at the end of this subtest. Deltas are removed when a transaction is mined, but only at that time. We do
176        # not check whether mapDeltas transactions were mined when loading from mempool.dat.
177        self.clear_prioritisation(node=self.nodes[0])
178
179        self.log.info("Test priority while txs are not in mempool")
180        self.restart_node(0, extra_args=["-nopersistmempool"])
181        self.nodes[0].setmocktime(mock_time)
182        assert_equal(self.nodes[0].getmempoolinfo()["size"], 0)
183        self.nodes[0].prioritisetransaction(txid=txid_b, fee_delta=int(fee_delta_b * COIN))
184        self.nodes[0].prioritisetransaction(txid=txid_c, fee_delta=int(fee_delta_c_1 * COIN))
185        self.nodes[0].prioritisetransaction(txid=txid_c, fee_delta=int(fee_delta_c_2 * COIN))
186        assert_equal(self.nodes[0].getprioritisedtransactions(), {txid_b: {"fee_delta" : fee_delta_b*COIN, "in_mempool" : False}, txid_c: {"fee_delta" : (fee_delta_c_1 + fee_delta_c_2)*COIN, "in_mempool" : False}})
187        for t in [tx_o_a["hex"], tx_o_b["hex"], tx_o_c["hex"], tx_o_d["hex"]]:
188            self.nodes[0].sendrawtransaction(t)
189        raw_after = self.nodes[0].getrawmempool(verbose=True)
190        assert_equal(raw_before[txid_a], raw_after[txid_a])
191        assert_equal(raw_before, raw_after)
192        assert_equal(self.nodes[0].getprioritisedtransactions(), {txid_b: {"fee_delta" : fee_delta_b*COIN, "in_mempool" : True, "modified_fee": int(fee_delta_b*COIN + COIN * tx_o_b["fee"])}, txid_c: {"fee_delta" : (fee_delta_c_1 + fee_delta_c_2)*COIN, "in_mempool" : True, "modified_fee": int((fee_delta_c_1 + fee_delta_c_2 ) * COIN + COIN * tx_o_c["fee"])}})
193
194        # Clear mempool
195        self.generate(self.nodes[0], 1)
196        # Prioritisation for transactions is automatically deleted after they are mined.
197        assert_equal(self.nodes[0].getprioritisedtransactions(), {})
198
199        # Use default extra_args
200        self.restart_node(0)
201        assert_equal(self.nodes[0].getprioritisedtransactions(), {})
202
203    def run_test(self):
204        self.wallet = MiniWallet(self.nodes[0])
205
206        # Test `prioritisetransaction` required parameters
207        assert_raises_rpc_error(-1, "prioritisetransaction", self.nodes[0].prioritisetransaction)
208        assert_raises_rpc_error(-1, "prioritisetransaction", self.nodes[0].prioritisetransaction, '')
209        assert_raises_rpc_error(-1, "prioritisetransaction", self.nodes[0].prioritisetransaction, '', 0)
210
211        # Test `prioritisetransaction` invalid extra parameters
212        assert_raises_rpc_error(-1, "prioritisetransaction", self.nodes[0].prioritisetransaction, '', 0, 0, 0)
213
214        # Test `getprioritisedtransactions` invalid parameters
215        assert_raises_rpc_error(-1, "getprioritisedtransactions",
216                self.nodes[0].getprioritisedtransactions, True)
217
218        # Test `prioritisetransaction` invalid `txid`
219        assert_raises_rpc_error(-8, "txid must be of length 64 (not 3, for 'foo')", self.nodes[0].prioritisetransaction, txid='foo', fee_delta=0)
220        assert_raises_rpc_error(-8, "txid must be hexadecimal string (not 'Zd1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000')", self.nodes[0].prioritisetransaction, txid='Zd1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000', fee_delta=0)
221
222        # Test `prioritisetransaction` invalid `dummy`
223        txid = '1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000'
224        assert_raises_rpc_error(-3, "JSON value of type string is not of expected type number", self.nodes[0].prioritisetransaction, txid, 'foo', 0)
225        assert_raises_rpc_error(-8, "Priority is no longer supported, dummy argument to prioritisetransaction must be 0.", self.nodes[0].prioritisetransaction, txid, 1, 0)
226
227        # Test `prioritisetransaction` invalid `fee_delta`
228        assert_raises_rpc_error(-3, "JSON value of type string is not of expected type number", self.nodes[0].prioritisetransaction, txid=txid, fee_delta='foo')
229
230        self.test_large_fee_bump()
231        self.test_replacement()
232        self.test_diamond()
233
234        self.txouts = gen_return_txouts()
235        self.relayfee = self.nodes[0].getnetworkinfo()['relayfee']
236
237        utxo_count = 90
238        utxos = self.wallet.send_self_transfer_multi(from_node=self.nodes[0], num_outputs=utxo_count)['new_utxos']
239        self.generate(self.wallet, 1)
240        assert_equal(len(self.nodes[0].getrawmempool()), 0)
241
242        base_fee = self.relayfee*100 # our transactions are smaller than 100kb
243        txids = []
244
245        # Create 3 batches of transactions at 3 different fee rate levels
246        range_size = utxo_count // 3
247        for i in range(3):
248            txids.append([])
249            start_range = i * range_size
250            end_range = start_range + range_size

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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