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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 block processing."""
6import copy
7import time
8
9from test_framework.blocktools import (
10    add_witness_commitment,
11    create_block,
12    create_coinbase,
13    create_tx_with_script,
14    get_legacy_sigopcount_block,
15    MAX_BLOCK_SIGOPS,
16    REGTEST_N_BITS,
17)
18from test_framework.messages import (
19    CBlock,
20    COIN,
21    COutPoint,
22    CTransaction,
23    CTxIn,
24    CTxOut,
25    MAX_BLOCK_WEIGHT,
26    SEQUENCE_FINAL,
27    uint256_from_compact,
28    uint256_from_str,
29)
30from test_framework.p2p import P2PDataStore
31from test_framework.script import (
32    CScript,
33    MAX_SCRIPT_ELEMENT_SIZE,
34    MAX_SCRIPT_SIZE,
35    OP_2DUP,
36    OP_CHECKMULTISIG,
37    OP_CHECKMULTISIGVERIFY,
38    OP_CHECKSIG,
39    OP_CHECKSIGVERIFY,
40    OP_ELSE,
41    OP_ENDIF,
42    OP_DROP,
43    OP_FALSE,
44    OP_IF,
45    OP_INVALIDOPCODE,
46    OP_RETURN,
47    OP_TRUE,
48    sign_input_legacy,
49)
50from test_framework.script_util import (
51    key_to_p2pk_script,
52    script_to_p2sh_script,
53)
54from test_framework.test_framework import BitcoinTestFramework
55from test_framework.util import (
56    assert_equal,
57    assert_greater_than,
58    assert_raises_rpc_error,
59)
60from test_framework.wallet_util import generate_keypair
61from data import invalid_txs
62
63
64#  Use this class for tests that require behavior other than normal p2p behavior.
65#  For now, it is used to serialize a bloated varint (b64).
66class CBrokenBlock(CBlock):
67    def initialize(self, base_block):
68        self.vtx = copy.deepcopy(base_block.vtx)
69        self.hashMerkleRoot = self.calc_merkle_root()
70
71    def serialize(self, with_witness=False):
72        r = b""
73        r += super(CBlock, self).serialize()
74        r += (255).to_bytes(1, "little") + len(self.vtx).to_bytes(8, "little")
75        for tx in self.vtx:
76            if with_witness:
77                r += tx.serialize_with_witness()
78            else:
79                r += tx.serialize_without_witness()
80        return r
81
82    def normal_serialize(self):
83        return super().serialize()
84
85
86DUPLICATE_COINBASE_SCRIPT_SIG = b'\x01\x78'  # Valid for block at height 120
87
88
89class FullBlockTest(BitcoinTestFramework):
90    def set_test_params(self):
91        self.num_nodes = 1
92        self.setup_clean_chain = True
93        self.extra_args = [[
94            '-testactivationheight=bip34@2',
95            # Override the functional-test default of 1 thread to exercise the multi-threaded
96            # prevout prefetching path in this block-heavy test.
97            '-prevoutfetchthreads=8',
98        ]]
99
100    def add_options(self, parser):
101        parser.add_argument("--skipreorg", action='store_true', dest="skip_reorg", help="Skip the large re-org test", default=False)
102
103    def run_test(self):
104        node = self.nodes[0]  # convenience reference to the node
105
106        self.bootstrap_p2p()  # Add one p2p connection to the node
107
108        self.block_heights = {}
109        self.coinbase_key, self.coinbase_pubkey = generate_keypair()
110        self.tip = None
111        self.blocks = {}
112        self.genesis_hash = int(self.nodes[0].getbestblockhash(), 16)
113        self.block_heights[self.genesis_hash] = 0
114        self.spendable_outputs = []
115
116        # Create a new block
117        b_dup_cb = self.next_block('dup_cb')
118        b_dup_cb.vtx[0].vin[0].scriptSig = DUPLICATE_COINBASE_SCRIPT_SIG
119        duplicate_tx = b_dup_cb.vtx[0]
120        b_dup_cb = self.update_block('dup_cb', [])
121        self.send_blocks([b_dup_cb])
122
123        # Add gigantic boundary scripts that respect all other limits
124        max_valid_script = CScript([b'\x01' * MAX_SCRIPT_ELEMENT_SIZE] * 19 + [b'\x01' * 62])
125        assert_equal(len(max_valid_script), MAX_SCRIPT_SIZE)
126        min_invalid_script = CScript([b'\x01' * MAX_SCRIPT_ELEMENT_SIZE] * 19 + [b'\x01' * 63])
127        assert_equal(len(min_invalid_script), MAX_SCRIPT_SIZE + 1)
128
129        b0 = self.next_block(0, additional_output_scripts=[max_valid_script, min_invalid_script])
130        self.save_spendable_output()
131        self.send_blocks([b0])
132
133        # Will test spending once possibly-mature
134        max_size_spendable_output = CTxIn(COutPoint(b0.vtx[0].txid_int, 1))
135        min_size_unspendable_output = CTxIn(COutPoint(b0.vtx[0].txid_int, 2))
136
137        # These constants chosen specifically to trigger an immature coinbase spend
138        # at a certain time below.
139        NUM_BUFFER_BLOCKS_TO_GENERATE = 99
140        NUM_OUTPUTS_TO_COLLECT = 33
141
142        # Allow the block to mature
143        blocks = []
144        for i in range(NUM_BUFFER_BLOCKS_TO_GENERATE):
145            blocks.append(self.next_block(f"maturitybuffer.{i}"))
146            self.save_spendable_output()
147        self.send_blocks(blocks)
148
149        # MAX_SCRIPT_SIZE testing now that coins are mature
150        tx = CTransaction()
151        tx.vin.append(max_size_spendable_output)
152        tx.vout.append(CTxOut(0, CScript([])))
153        block = self.generateblock(self.nodes[0], output="raw(55)", transactions=[tx.serialize().hex()])
154        assert_equal(block["hash"], self.nodes[0].getbestblockhash())
155        self.nodes[0].invalidateblock(block["hash"])
156        assert_equal(self.nodes[0].getrawmempool(), [])
157
158        # MAX_SCRIPT_SIZE + 1 wasn't added to the utxo set
159        tx.vin[0] = min_size_unspendable_output
160        assert_raises_rpc_error(-25, f'TestBlockValidity failed: bad-txns-inputs-missingorspent, CheckTxInputs: inputs missing/spent in transaction {tx.txid_hex}', self.generateblock, self.nodes[0],  output="raw(55)", transactions=[tx.serialize().hex()])
161
162        # collect spendable outputs now to avoid cluttering the code later on
163        out = []
164        for _ in range(NUM_OUTPUTS_TO_COLLECT):
165            out.append(self.get_spendable_output())
166
167        # Start by building a couple of blocks on top (which output is spent is
168        # in parentheses):
169        #     genesis -> b1 (0) -> b2 (1)
170        b1 = self.next_block(1, spend=out[0])
171        self.save_spendable_output()
172
173        b2 = self.next_block(2, spend=out[1])
174        self.save_spendable_output()
175
176        self.send_blocks([b1, b2], timeout=4)
177
178        # Select a txn with an output eligible for spending. This won't actually be spent,
179        # since we're testing submission of a series of blocks with invalid txns.
180        attempt_spend_tx = out[2]
181
182        # Submit blocks for rejection, each of which contains a single transaction
183        # (aside from coinbase) which should be considered invalid.
184        for TxTemplate in invalid_txs.iter_all_templates():
185            template = TxTemplate(spend_tx=attempt_spend_tx)
186
187            if template.valid_in_block:
188                continue
189
190            assert template.block_reject_reason or template.reject_reason
191
192            self.log.info(f"Reject block with invalid tx: {TxTemplate.__name__}")
193            blockname = f"for_invalid.{TxTemplate.__name__}"
194            self.next_block(blockname)
195            badtx = template.get_tx()
196            if TxTemplate != invalid_txs.InputMissing:
197                self.sign_tx(badtx, attempt_spend_tx)
198            badblock = self.update_block(blockname, [badtx])
199            reject_reason = (template.block_reject_reason or template.reject_reason)
200            if reject_reason.startswith("mempool-script-verify-flag-failed"):
201                reject_reason = "block-script-verify-flag-failed" + reject_reason[33:]
202            self.send_blocks(
203                [badblock], success=False,
204                reject_reason=reject_reason,
205                reconnect=True, timeout=2)
206
207            self.move_tip(2)
208
209        # Fork like this:
210        #
211        #     genesis -> b1 (0) -> b2 (1)
212        #                      \-> b3 (1)
213        #
214        # Nothing should happen at this point. We saw b2 first so it takes priority.
215        self.log.info("Don't reorg to a chain of the same length")
216        self.move_tip(1)
217        b3 = self.next_block(3, spend=out[1])
218        txout_b3 = b3.vtx[1]
219        self.send_blocks([b3], False)
220
221        # Now we add another block to make the alternative chain longer.
222        #
223        #     genesis -> b1 (0) -> b2 (1)
224        #                      \-> b3 (1) -> b4 (2)
225        self.log.info("Reorg to a longer chain")
226        b4 = self.next_block(4, spend=out[2])
227        self.send_blocks([b4])
228
229        # ... and back to the first chain.
230        #     genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
231        #                      \-> b3 (1) -> b4 (2)
232        self.move_tip(2)
233        b5 = self.next_block(5, spend=out[2])
234        self.save_spendable_output()
235        self.send_blocks([b5], False)
236
237        self.log.info("Reorg back to the original chain")
238        b6 = self.next_block(6, spend=out[3])
239        self.send_blocks([b6], True)
240
241        # Try to create a fork that double-spends
242        #     genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
243        #                                          \-> b7 (2) -> b8 (4)
244        #                      \-> b3 (1) -> b4 (2)
245        self.log.info("Reject a chain with a double spend, even if it is longer")
246        self.move_tip(5)
247        b7 = self.next_block(7, spend=out[2])
248        self.send_blocks([b7], False)
249
250        b8 = self.next_block(8, spend=out[4])

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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