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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) 2020-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 datacarrier functionality"""
6from test_framework.messages import (
7    CTxOut,
8    MAX_OP_RETURN_RELAY,
9)
10from test_framework.script import (
11    CScript,
12    OP_RETURN,
13)
14from test_framework.test_framework import BitcoinTestFramework
15from test_framework.test_node import TestNode
16from test_framework.util import (
17    assert_equal,
18    assert_raises_rpc_error,
19)
20from test_framework.wallet import MiniWallet
21
22from random import randbytes
23
24# The historical maximum, now used to test coverage
25CUSTOM_DATACARRIER_ARG = 83
26
27class DataCarrierTest(BitcoinTestFramework):
28    def set_test_params(self):
29        self.num_nodes = 4
30        self.extra_args = [
31            [], # default is uncapped
32            ["-datacarrier=0"], # no relay of datacarrier
33            ["-datacarrier=1", f"-datacarriersize={CUSTOM_DATACARRIER_ARG}"],
34            ["-datacarrier=1", "-datacarriersize=2"],
35        ]
36
37    def test_null_data_transaction(self, node: TestNode, data, success: bool) -> None:
38        tx = self.wallet.create_self_transfer(fee_rate=0)["tx"]
39        data = [] if data is None else [data]
40        tx.vout.append(CTxOut(nValue=0, scriptPubKey=CScript([OP_RETURN] + data)))
41        tx.vout[0].nValue -= tx.get_vsize()  # simply pay 1sat/vbyte fee
42
43        tx_hex = tx.serialize().hex()
44
45        if success:
46            self.wallet.sendrawtransaction(from_node=node, tx_hex=tx_hex)
47            assert tx.txid_hex in node.getrawmempool(True), f'{tx_hex} not in mempool'
48        else:
49            assert_raises_rpc_error(-26, "datacarrier", self.wallet.sendrawtransaction, from_node=node, tx_hex=tx_hex)
50
51    def run_test(self):
52        self.wallet = MiniWallet(self.nodes[0])
53
54        # Test that bare multisig is allowed by default. Do it here rather than create a new test for it.
55        assert_equal(self.nodes[0].getmempoolinfo()["permitbaremultisig"], True)
56
57        assert_equal(self.nodes[0].getmempoolinfo()["maxdatacarriersize"], MAX_OP_RETURN_RELAY)
58        assert_equal(self.nodes[1].getmempoolinfo()["maxdatacarriersize"], 0)
59        assert_equal(self.nodes[2].getmempoolinfo()["maxdatacarriersize"], CUSTOM_DATACARRIER_ARG)
60        assert_equal(self.nodes[3].getmempoolinfo()["maxdatacarriersize"], 2)
61
62        # By default, any size is allowed.
63
64        # If it is custom set to 83, the historical value,
65        # only 80 bytes are used for data (+1 for OP_RETURN, +2 for the pushdata opcodes).
66        custom_size_data = randbytes(CUSTOM_DATACARRIER_ARG - 3)
67        too_long_data = randbytes(CUSTOM_DATACARRIER_ARG - 2)
68        extremely_long_data = randbytes(MAX_OP_RETURN_RELAY - 200)
69        one_byte = randbytes(1)
70        zero_bytes = randbytes(0)
71
72        self.log.info("Testing a null data transaction succeeds for default arg regardless of size.")
73        self.test_null_data_transaction(node=self.nodes[0], data=too_long_data, success=True)
74        self.test_null_data_transaction(node=self.nodes[0], data=extremely_long_data, success=True)
75
76        self.log.info("Testing a null data transaction with -datacarrier=false.")
77        self.test_null_data_transaction(node=self.nodes[1], data=custom_size_data, success=False)
78
79        self.log.info("Testing a null data transaction with a size larger than accepted by -datacarriersize.")
80        self.test_null_data_transaction(node=self.nodes[2], data=too_long_data, success=False)
81
82        self.log.info("Testing a null data transaction with a size equal to -datacarriersize.")
83        self.test_null_data_transaction(node=self.nodes[2], data=custom_size_data, success=True)
84
85        self.log.info("Testing a null data transaction with no data.")
86        self.test_null_data_transaction(node=self.nodes[0], data=None, success=True)
87        self.test_null_data_transaction(node=self.nodes[1], data=None, success=False)
88        self.test_null_data_transaction(node=self.nodes[2], data=None, success=True)
89        self.test_null_data_transaction(node=self.nodes[3], data=None, success=True)
90
91        self.log.info("Testing a null data transaction with zero bytes of data.")
92        self.test_null_data_transaction(node=self.nodes[0], data=zero_bytes, success=True)
93        self.test_null_data_transaction(node=self.nodes[1], data=zero_bytes, success=False)
94        self.test_null_data_transaction(node=self.nodes[2], data=zero_bytes, success=True)
95        self.test_null_data_transaction(node=self.nodes[3], data=zero_bytes, success=True)
96
97        self.log.info("Testing a null data transaction with one byte of data.")
98        self.test_null_data_transaction(node=self.nodes[0], data=one_byte, success=True)
99        self.test_null_data_transaction(node=self.nodes[1], data=one_byte, success=False)
100        self.test_null_data_transaction(node=self.nodes[2], data=one_byte, success=True)
101        self.test_null_data_transaction(node=self.nodes[3], data=one_byte, success=False)
102
103if __name__ == '__main__':
104    DataCarrierTest(__file__).main()
105

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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