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bitcoin/src/test/fuzz
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Ava Chow 00ad998d95 Merge bitcoin/bitcoin#33252: p2p: add DifferenceFormatter fuzz target and invariant check 
65a10fc3c5 p2p: add assertion for BlockTransactionsRequest indexes (frankomosh)
58be359f6b fuzz: add a target for DifferenceFormatter Class (frankomosh)

Pull request description:

  Adds a fuzz test for the [`DifferenceFormatter`](e3f416dbf7/src/blockencodings.h (L22-L42)) (used in [`BlockTransactionsRequest`](https://github.com/bitcoin/bitcoin/blob/master/src/blockencodings.h#L44-L54), [BIP 152](https://github.com/bitcoin/bips/blob/master/bip-0152.mediawiki)). The DifferenceFormatter class implements differential encoding for compact block transactions (BIP 152). This PR ensures that its strictly-monotonic property is maintained. It complements the tests in [`blocktransactionsrequest_deserialize`](9703b7e6d5/src/test/fuzz/deserialize.cpp (L314)).

  Additionally, there's an added invariant check after GETBLOCKTXN deserialization in `net_processing.cpp`.

ACKs for top commit:
  Crypt-iQ:
    tACK 65a10fc3c5
  achow101:
    ACK 65a10fc3c5
  dergoegge:
    Code review ACK 65a10fc3c5

Tree-SHA512: 70659cf045e99bb5f753763c7ddac094cb2883c202c899276cbe616889afa053b2d5e831f99d6386d4d1e4118cd35fa0b14b54667853fe067f6efe2eb77b4097
2025-10-24 10:12:11 -07:00
..
util
Merge bitcoin/bitcoin#33464: p2p: Use network-dependent timers for inbound inv scheduling
2025-10-03 23:45:17 +01:00
addition_overflow.cpp
build, msvc: Build fuzz.exe binary
2024-04-18 10:27:25 +01:00
addrman.cpp
refactor: Sort includes of touched source files
2025-06-03 19:56:55 +02:00
asmap_direct.cpp
scripted-diff: Bump copyright headers after include changes
2025-06-03 15:13:57 +02:00
asmap.cpp
…
autofile.cpp
refactor: encapsulate vector/array keys into Obfuscation
2025-07-16 14:33:07 -07:00
banman.cpp
fuzz: cover BanMan::IsDiscouraged
2025-07-30 09:24:11 -03:00
base_encode_decode.cpp
fuzz: extract unsequenced operations with side-effects
2025-03-25 21:21:27 +01:00
bech32.cpp
lint: Check for missing trailing newline
2025-05-13 15:50:02 +02:00
bip324.cpp
scripted-diff: Bump copyright headers after std::span changes
2025-03-12 19:46:54 +01:00
bitdeque.cpp
fuzz: Avoid timeout in bitdeque
2023-12-06 15:44:38 +01:00
bitset.cpp
random: convert XoRoShiRo128PlusPlus into full RNG
2024-07-01 10:26:46 -04:00
block_header.cpp
refactor: Hand-replace some uint256S -> uint256
2024-08-05 14:51:47 +02:00
block_index.cpp
qa: a fuzz target for the block index database
2024-05-29 18:55:04 +02:00
block.cpp
fuzz: Drop unused version from fuzz input format
2023-11-30 11:27:21 +01:00
blockfilter.cpp
fuzz: Add missing SeedRandomStateForTest(SeedRand::ZEROS)
2024-12-13 14:22:25 +01:00
bloom_filter.cpp
Use ParamsWrapper for witness serialization
2023-11-14 08:45:30 +10:00
buffered_file.cpp
refactor: encapsulate vector/array keys into Obfuscation
2025-07-16 14:33:07 -07:00
chain.cpp
validation: Don't use IsValid() to filter for invalid blocks
2025-06-12 14:40:59 -04:00
checkqueue.cpp
validation: make CCheckQueueControl's CCheckQueue non-optional
2025-05-19 22:06:48 +00:00
cluster_linearize.cpp
depgraph: add memory usage control (feature)
2025-10-11 17:25:09 -04:00
CMakeLists.txt
fuzz: add a target for DifferenceFormatter Class
2025-09-02 07:50:07 +03:00
coins_view.cpp
coins: only adjust cachedCoinsUsage on EmplaceCoinInternalDANGER insert
2025-10-12 12:37:45 -04:00
coinscache_sim.cpp
refactor: Sort includes of touched source files
2025-06-03 19:56:55 +02:00
connman.cpp
net: support overriding the proxy selection in ConnectNode()
2025-10-02 08:39:26 +02:00
crypto_aes256.cpp
…
crypto_aes256cbc.cpp
…
crypto_chacha20.cpp
scripted-diff: Bump copyright headers after std::span changes
2025-03-12 19:46:54 +01:00
crypto_chacha20poly1305.cpp
scripted-diff: Bump copyright headers after std::span changes
2025-03-12 19:46:54 +01:00
crypto_common.cpp
crypto: Add missing WriteBE16 function
2024-09-21 12:37:36 +02:00
crypto_diff_fuzz_chacha20.cpp
crypto: require key on ChaCha20 initialization
2023-08-17 15:31:27 -04:00
crypto_hkdf_hmac_sha256_l32.cpp
…
crypto_poly1305.cpp
fuzz: support std::byte in Consume{Fixed,Variable}LengthByteVector
2023-08-17 15:31:56 -04:00
crypto.cpp
fuzz: make FuzzedDataProvider usage deterministic
2023-12-09 19:31:06 +01:00
cuckoocache.cpp
fuzz: make FuzzedDataProvider usage deterministic
2023-12-09 19:31:06 +01:00
decode_tx.cpp
…
descriptor_parse.cpp
Merge bitcoin/bitcoin#22838: descriptors: Be able to specify change and receiving in a single descriptor string
2024-08-28 15:56:15 +01:00
deserialize.cpp
refactor: Sort includes of touched source files
2025-06-03 19:56:55 +02:00
difference_formatter.cpp
fuzz: add a target for DifferenceFormatter Class
2025-09-02 07:50:07 +03:00
eval_script.cpp
script/verify_flags: make script_verify_flags type safe
2025-08-14 10:17:32 +10:00
fee_rate.cpp
Refactor CFeeRate to use FeeFrac internally
2025-07-07 10:39:45 +02:00
feefrac.cpp
Refactor CFeeRate to use FeeFrac internally
2025-07-07 10:39:45 +02:00
feeratediagram.cpp
clang-tidy: Apply modernize-deprecated-headers
2025-06-03 15:13:54 +02:00
fees.cpp
Refactor CFeeRate to use FeeFrac internally
2025-07-07 10:39:45 +02:00
flatfile.cpp
…
float.cpp
refactor: Avoid GCC false positive error
2025-01-20 17:43:58 +01:00
fuzz.cpp
fuzz: Drop unused workaround after Apple-Clang bump
2025-10-01 08:09:34 +02:00
fuzz.h
fuzz: Use std::span in FuzzBufferType
2024-06-12 15:21:31 +02:00
FuzzedDataProvider.h
refactor: modernize remaining outdated trait patterns
2025-02-21 10:43:41 +01:00
golomb_rice.cpp
fuzz: Add missing SeedRandomStateForTest(SeedRand::ZEROS)
2024-12-13 14:22:25 +01:00
headerssync.cpp
headerssync: Make HeadersSyncState more flexible and move constants
2025-09-12 22:28:41 +02:00
hex.cpp
refactor: Move transaction_identifier.h to primitives
2025-08-11 16:47:51 +01:00
http_request.cpp
refactor: Remove call to ShutdownRequested from HTTPRequest
2023-12-04 15:39:15 -04:00
i2p.cpp
fuzz: make it possible to mock (fuzz) CThreadInterrupt
2025-06-09 14:17:33 +02:00
integer.cpp
Merge bitcoin/bitcoin#32588: util: Abort on failing CHECK_NONFATAL in debug builds
2025-10-24 04:41:24 +02:00
key_io.cpp
test: Use ECC_Context helper in bench and fuzz tests
2024-05-09 15:56:04 +02:00
key.cpp
policy: uncap datacarrier by default
2025-05-30 10:12:38 -04:00
kitchen_sink.cpp
rpc: clarify ALREADY_IN_CHAIN rpc errors
2024-08-05 15:45:58 +01:00
load_external_block_file.cpp
fuzz: Add SetMockTime() to necessary targets
2025-01-06 15:43:04 +00:00
locale.cpp
refactor: Remove unused Parse(U)Int*
2025-05-19 17:16:13 +02:00
merkle.cpp
refactor: Convert remaining instances from uint256 to Txid
2025-08-11 16:47:43 +01:00
merkleblock.cpp
refactor: Convert RPCs and merkleblock from uint256 to Txid
2025-08-11 15:53:34 +01:00
message.cpp
Merge bitcoin/bitcoin#29043: fuzz: make FuzzedDataProvider usage deterministic
2024-09-04 15:04:53 -04:00
mini_miner.cpp
fuzz: Reduce iterations in slow targets
2025-09-19 15:13:15 +01:00
miniscript.cpp
Revert "miniscript: make operator_mst consteval"
2025-06-25 11:32:57 +01:00
minisketch.cpp
[fuzz] Improve fuzzing stability for minisketch harness
2023-12-14 20:10:21 +00:00
muhash.cpp
doc: fix typos
2025-06-03 08:09:28 +01:00
multiplication_overflow.cpp
build, msvc: Build fuzz.exe binary
2024-04-18 10:27:25 +01:00
net_permissions.cpp
Merge bitcoin/bitcoin#27114: p2p: Allow whitelisting manual connections
2024-03-12 12:59:02 -04:00
net.cpp
fuzz: Add SetMockTime() to necessary targets
2025-01-06 15:43:04 +00:00
netaddress.cpp
net: remove unnecessary check from AlreadyConnectedToAddress()
2025-04-25 15:12:03 +02:00
netbase_dns_lookup.cpp
p2p: return CSubNet in LookupSubNet
2023-05-30 16:27:21 -03:00
node_eviction.cpp
…
overflow.cpp
fuzz: Add fuzz test for checked and saturating add and left shift
2025-01-15 15:44:03 +01:00
p2p_handshake.cpp
fuzz: Avoid non-determinism in process_message(s) target (PeerMan)
2025-07-18 14:02:55 +02:00
p2p_headers_presync.cpp
net: use generic network key for addrcache
2025-09-23 10:56:44 -04:00
p2p_transport_serialization.cpp
scripted-diff: Bump copyright headers after std::span changes
2025-03-12 19:46:54 +01:00
package_eval.cpp
fuzz: don't bypass_limits for most mempool harnesses
2025-09-29 16:25:54 -04:00
parse_hd_keypath.cpp
…
parse_iso8601.cpp
Remove wallet::ParseISO8601DateTime, use ParseISO8601DateTime instead
2024-12-02 15:09:31 +01:00
parse_numbers.cpp
refactor: Remove unused Parse(U)Int*
2025-05-19 17:16:13 +02:00
parse_script.cpp
…
parse_univalue.cpp
fuzz: Limit parse_univalue input length
2024-07-19 15:39:02 +02:00
partially_downloaded_block.cpp
Revert "refactor: Simplify extra_txn to be a vec of CTransactionRef instead of a vec of pair<Wtxid, CTransactionRef>"
2025-08-27 03:33:32 +10:00
pcp.cpp
net: Add interrupt to pcp retry loop
2025-09-08 11:18:51 +02:00
policy_estimator_io.cpp
Explicitly close all AutoFiles that have been written
2025-06-16 15:33:15 +02:00
policy_estimator.cpp
policy, refactor: Convert uint256 to Txid
2025-08-11 16:28:59 +01:00
poolresource.cpp
scripted-diff: Bump copyright headers after std::span changes
2025-03-12 19:46:54 +01:00
pow.cpp
Add FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION in PoW check
2024-09-02 15:43:33 +01:00
prevector.cpp
Merge bitcoin/bitcoin#29043: fuzz: make FuzzedDataProvider usage deterministic
2024-09-04 15:04:53 -04:00
primitives_transaction.cpp
Use ParamsWrapper for witness serialization
2023-11-14 08:45:30 +10:00
process_message.cpp
fuzz: Reset chainman state in process_message(s) targets
2025-07-18 14:03:21 +02:00
process_messages.cpp
fuzz: Reset chainman state in process_message(s) targets
2025-07-18 14:03:21 +02:00
protocol.cpp
scripted-diff: get rid of remaining "command" terminology in protocol.{h,cpp}
2024-10-26 23:44:15 +02:00
psbt.cpp
fuzz: Add missing SeedRandomStateForTest(SeedRand::ZEROS)
2024-12-13 14:22:25 +01:00
random.cpp
random: drop ad-hoc Shuffle in favor of std::shuffle
2024-07-06 09:06:36 -04:00
rbf.cpp
mempool, refactor: Convert uint256 to Txid
2025-08-11 16:26:35 +01:00
rolling_bloom_filter.cpp
fuzz: Add missing SeedRandomStateForTest(SeedRand::ZEROS)
2024-12-13 14:22:25 +01:00
rpc.cpp
util: Abort on failing CHECK_NONFATAL in debug builds
2025-07-25 08:44:42 +02:00
script_assets_test_minimizer.cpp
script/verify_flags: make script_verify_flags type safe
2025-08-14 10:17:32 +10:00
script_descriptor_cache.cpp
…
script_flags.cpp
test: additional test coverage for script_verify_flags
2025-09-11 11:24:09 +10:00
script_format.cpp
fuzz: make FuzzedDataProvider usage deterministic
2023-12-09 19:31:06 +01:00
script_interpreter.cpp
qa: simple differential fuzzing for sighash with/without caching
2025-08-06 09:33:30 -04:00
script_ops.cpp
…
script_parsing.cpp
scripted-diff: Bump copyright headers after std::span changes
2025-03-12 19:46:54 +01:00
script_sigcache.cpp
fuzz: Add missing SeedRandomStateForTest(SeedRand::ZEROS)
2024-12-13 14:22:25 +01:00
script_sign.cpp
Merge bitcoin/bitcoin#30561: refactor: move SignSignature helpers to test utils
2024-09-20 16:05:28 +01:00
script.cpp
script/verify_flags: make script_verify_flags type safe
2025-08-14 10:17:32 +10:00
scriptnum_ops.cpp
…
secp256k1_ec_seckey_import_export_der.cpp
key: use static context for libsecp256k1 calls where applicable
2025-09-16 21:46:18 +02:00
secp256k1_ecdsa_signature_parse_der_lax.cpp
fuzz: Add missing SeedRandomStateForTest(SeedRand::ZEROS)
2024-12-13 14:22:25 +01:00
signature_checker.cpp
script/verify_flags: make script_verify_flags type safe
2025-08-14 10:17:32 +10:00
signet.cpp
Use ParamsWrapper for witness serialization
2023-11-14 08:45:30 +10:00
socks5.cpp
fuzz: Add SetMockTime() to necessary targets
2025-01-06 15:43:04 +00:00
span.cpp
scripted-diff: Bump copyright headers after std::span changes
2025-03-12 19:46:54 +01:00
string.cpp
util: Catch translation string errors at compile time
2024-07-10 09:40:47 +02:00
strprintf.cpp
refactor: Introduce struct to hold a runtime format string
2025-01-15 12:16:08 +01:00
system.cpp
multiprocess: Add -ipcbind option to bitcoin-node
2024-09-06 09:08:10 -04:00
timeoffsets.cpp
refactor: remove warnings globals
2024-06-13 11:20:49 +01:00
torcontrol.cpp
scripted-diff: Use new FUZZ_TARGET macro everywhere
2023-07-13 20:37:14 +02:00
transaction.cpp
fuzz: Add missing SeedRandomStateForTest(SeedRand::ZEROS)
2024-12-13 14:22:25 +01:00
tx_in.cpp
Remove unused version.h include
2023-11-30 11:28:19 +01:00
tx_out.cpp
Remove unused version.h include
2023-11-30 11:28:19 +01:00
tx_pool.cpp
fuzz: don't bypass_limits for most mempool harnesses
2025-09-29 16:25:54 -04:00
txdownloadman.cpp
fuzz: Reduce iterations in slow targets
2025-09-19 15:13:15 +01:00
txgraph.cpp
txgraph: expose memory usage estimate function (feature)
2025-10-11 17:25:09 -04:00
txorphan.cpp
doc: fix typos
2025-08-07 09:01:56 +01:00
txrequest.cpp
scripted-diff: Replace GenTxidVariant with GenTxid
2025-07-08 20:00:51 +01:00
util.cpp
scripted-diff: Use std::span over Span
2025-03-12 19:45:37 +01:00
util.h
scripted-diff: modernize outdated trait patterns - values
2025-02-21 10:43:01 +01:00
utxo_snapshot.cpp
test: Avoid resetting mocktime in testing setup
2025-07-09 14:28:14 +02:00
utxo_total_supply.cpp
clang-tidy: Fix critical warnings
2025-09-07 17:28:31 +02:00
validation_load_mempool.cpp
fuzz: Add missing SeedRandomStateForTest(SeedRand::ZEROS)
2024-12-13 14:22:25 +01:00
vecdeque.cpp
refactor: Sort includes of touched source files
2025-06-03 19:56:55 +02:00
versionbits.cpp
tests: refactor versionbits fuzz test
2025-01-21 00:38:03 +10:00