aboutsummaryrefslogtreecommitdiff
path: root/src/util
AgeCommit message (Collapse)Author
2020-04-02build: Detect gmtime_* definitions via configureBen Woosley
This improves the portability of the codebase and fixes compilation with mingw-w64 7.0+. Co-authored-by: fanquake <fanquake@gmail.com>
2020-03-27util: Replace i64tostr with ToStringMarcoFalke
2020-03-27util: Remove unused itostrMarcoFalke
2020-03-26Merge #18270: util: Fail to parse whitespace-only strings in ParseMoney(...) ↵MarcoFalke
(instead of parsing as zero) 100213c5c29ebd7bd50aa885e54594ae10bf87a4 util: Fail to parse space-only strings in ParseMoney(...) (instead of parsing as zero) (practicalswift) Pull request description: Fail to parse whitespace-only strings in `ParseMoney(...)` (instead of parsing as `0`). This is a follow-up to #18225 ("util: Fail to parse empty string in `ParseMoney`") which made `ParseMoney("")` fail instead of parsing as `0`. Context: https://github.com/bitcoin/bitcoin/pull/18225#issuecomment-592994765 Current non-test call sites: ``` $ git grep ParseMoney ":(exclude)src/test/" src/bitcoin-tx.cpp: if (!ParseMoney(strValue, value)) src/init.cpp: if (!ParseMoney(gArgs.GetArg("-incrementalrelayfee", ""), n)) src/init.cpp: if (!ParseMoney(gArgs.GetArg("-minrelaytxfee", ""), n)) { src/init.cpp: if (!ParseMoney(gArgs.GetArg("-blockmintxfee", ""), n)) src/init.cpp: if (!ParseMoney(gArgs.GetArg("-dustrelayfee", ""), n)) src/miner.cpp: if (gArgs.IsArgSet("-blockmintxfee") && ParseMoney(gArgs.GetArg("-blockmintxfee", ""), n)) { src/util/moneystr.cpp:bool ParseMoney(const std::string& str, CAmount& nRet) src/util/moneystr.h:NODISCARD bool ParseMoney(const std::string& str, CAmount& nRet); src/wallet/wallet.cpp: if (!ParseMoney(gArgs.GetArg("-mintxfee", ""), n) || 0 == n) { src/wallet/wallet.cpp: if (!ParseMoney(gArgs.GetArg("-fallbackfee", ""), nFeePerK)) { src/wallet/wallet.cpp: if (!ParseMoney(gArgs.GetArg("-discardfee", ""), nFeePerK)) { src/wallet/wallet.cpp: if (!ParseMoney(gArgs.GetArg("-paytxfee", ""), nFeePerK)) { src/wallet/wallet.cpp: if (!ParseMoney(gArgs.GetArg("-maxtxfee", ""), nMaxFee)) { ``` ACKs for top commit: Empact: ACK https://github.com/bitcoin/bitcoin/pull/18270/commits/100213c5c29ebd7bd50aa885e54594ae10bf87a4 sipa: ACK 100213c5c29ebd7bd50aa885e54594ae10bf87a4 theStack: ACK https://github.com/bitcoin/bitcoin/commit/100213c5c29ebd7bd50aa885e54594ae10bf87a4 Tree-SHA512: cadfb1ac8276cf54736c3444705f2650e7a08023673aedc729fabe751ae80f6c490fc0945ee38dbfd02c95e4d9853d1e4c84f5d3c310f44eaf3585afec8a4c22
2020-03-14Replace std::to_string with locale-independent alternativeBen Woosley
2020-03-12util: Fail to parse space-only strings in ParseMoney(...) (instead of ↵practicalswift
parsing as zero)
2020-03-09Move direct calls to MessageSign into new SignMessage functions in CWallet ↵Andrew Chow
and ScriptPubKeyMan Instead of getting a SigningProvider and then going to MessageSign, have ScriptPubKeyMan handle the message signing internally.
2020-03-06Merge #16117: util: Replace boost sleep with std sleepfanquake
fae86c38bca5c960462e53975314a0749db5d17d util: Remove unused MilliSleep (MarcoFalke) fa9af06d91e9357e86863781746f0e78a509967e scripted-diff: Replace MilliSleep with UninterruptibleSleep (MarcoFalke) fa4620be782c2bf6b5ffddf4f671194fdd1536f3 util: Add UnintrruptibleSleep (MarcoFalke) Pull request description: We don't use the interruptible feature of boost's sleep anywhere, so replace it with the sleep in `std::thread` ACKs for top commit: ajtowns: ACK fae86c38bca5c960462e53975314a0749db5d17d quick code review practicalswift: ACK fae86c38bca5c960462e53975314a0749db5d17d -- patch looks correct sipa: Concept and code review ACK fae86c38bca5c960462e53975314a0749db5d17d fanquake: ACK fae86c38bca5c960462e53975314a0749db5d17d - note that an instance of `DHAVE_WORKING_BOOST_SLEEP_FOR` was missed in the [linter](https://github.com/bitcoin/bitcoin/blob/master/test/lint/extended-lint-cppcheck.sh#L69), but that can be cleaned up later. Tree-SHA512: 7c0f8eb197664b9f7d9fe6c472c77d384f11c797c913afc31de4b532e3b4fd9ea6dd174f92062ff9d1ec39b25e0900ca7c597435add87f0f2477d9557204848c
2020-03-01Merge #17399: validation: Templatize ValidationState instead of subclassingMarcoFalke
10efc0487c442bccb0e4a9ac29452af1592a3cf2 Templatize ValidationState instead of subclassing (Jeffrey Czyz) 10e85d4adc9b7dbbda63e00195e0a962f51e4d2c Remove ValidationState's constructor (Jeffrey Czyz) 0aed17ef2892478c28cd660e53223c6dd1dc0187 Refactor FormatStateMessage into ValidationState (Jeffrey Czyz) Pull request description: This removes boilerplate code in the subclasses which otherwise only differ by the result type. The subclassing was introduced in a27a295. ACKs for top commit: MarcoFalke: ACK 10efc0487c442bccb0e4a9ac29452af1592a3cf2 🐱 ajtowns: ACK 10efc0487c442bccb0e4a9ac29452af1592a3cf2 -- looks good to me jonatack: ACK 10efc048 code review, build/tests green, nice cleanup Tree-SHA512: 765dd52dde7d49b9a5c6d99d97c96f4492673e2aed0b0604faa88db0308fa4500a26bf755cca0b896be283874096c215932e1110a2d01dc012cd36a5fce58a42
2020-02-29util: Fail to parse empty string in ParseMoneyMarcoFalke
2020-02-29util: Remove unused ParseMoney that takes a c_strMarcoFalke
2020-02-27Refactor FormatStateMessage into ValidationStateJeffrey Czyz
2020-02-25Merge #17577: refactor: deduplicate the message sign/verify codeSamuel Dobson
e193a84fb28068e38d5f54fbfd6208428c5bb655 Refactor message hashing into a utility function (Jeffrey Czyz) f8f0d9893d7969bdaa870fadb94ec5d0dfa8334d Deduplicate the message signing code (Vasil Dimov) 2ce3447eb1e25ec7aec4b300dabf6c1e394f1906 Deduplicate the message verifying code (Vasil Dimov) Pull request description: The message signing and verifying logic was replicated in a few places in the code. Consolidate in a newly introduced `MessageSign()` and `MessageVerify()` and add unit tests for them. ACKs for top commit: Sjors: re-ACK e193a84fb28068e38d5f54fbfd6208428c5bb655 achow101: ACK e193a84fb28068e38d5f54fbfd6208428c5bb655 instagibbs: utACK https://github.com/bitcoin/bitcoin/pull/17577/commits/e193a84fb28068e38d5f54fbfd6208428c5bb655 meshcollider: utACK e193a84fb28068e38d5f54fbfd6208428c5bb655 Tree-SHA512: b0e02a7d4623a98c8f8c77627af1725e6df07700de4630c2f75da6beacdf55414c38ba147bc6d2a757491ab07c827dddf93e8632fe600478760e255714ddab88
2020-02-21util: Remove unused MilliSleepMarcoFalke
2020-02-21util: Add UnintrruptibleSleepMarcoFalke
2020-02-19util: Avoid potential uninitialized read in FormatISO8601DateTime(int64_t ↵practicalswift
nTime) by checking gmtime_s/gmtime_r return value
2020-02-17Merge #13339: wallet: Replace %w by wallet name in -walletnotify scriptWladimir J. van der Laan
4e9efac678a9c0ea4e4c7dd956ea036ae6cf17ec test: Check wallet name in -walletnotify script (João Barbosa) 9a5b5ee81f15b1d89cb25ff3e137a672536cdc46 wallet: Replace %w by wallet name in -walletnotify script (João Barbosa) Pull request description: Fixes #13237. ACKs for top commit: laanwj: ACK 4e9efac678a9c0ea4e4c7dd956ea036ae6cf17ec Tree-SHA512: 189dd1c785485f2e974d7c12531851b2a977778b3b954aa95efd527322ba3345924cfd587fb9c90b0fa979202af0ab2d90e53d125fe266a36c94f757e4176203
2020-02-14Refactor message hashing into a utility functionJeffrey Czyz
And add unit test for it. The purpose of using a preamble or "magic" text as part of signing and verifying a message was not given when the code was repeated in a few locations. Make a test showing how it is used to prevent inadvertently signing a transaction.
2020-02-14Deduplicate the message signing codeVasil Dimov
The logic of signing a message was duplicated in 3 places: src/qt/signverifymessagedialog.cpp SignVerifyMessageDialog::on_signMessageButton_SM_clicked() src/rpc/misc.cpp signmessagewithprivkey() src/wallet/rpcwallet.cpp signmessage() Move the logic into src/util/message.cpp MessageSign() and call it from all the 3 places.
2020-02-14Deduplicate the message verifying codeVasil Dimov
The logic of verifying a message was duplicated in 2 places: src/qt/signverifymessagedialog.cpp SignVerifyMessageDialog::on_verifyMessageButton_VM_clicked() src/rpc/misc.cpp verifymessage() with the only difference being the result handling. Move the logic into a dedicated src/util/message.cpp MessageVerify() which returns a set of result codes, call it from the 2 places and just handle the results differently in the callers.
2020-02-05Merge #17482: util: Disallow network-qualified command line optionsWladimir J. van der Laan
900d8f6f70859f528e84c5c38d0332f81d19df55 util: Disallow network-qualified command line options (Russell Yanofsky) Pull request description: Previously these were allowed but ignored. This change implements one of the settings simplifications listed in #17508. Change includes release notes. ACKs for top commit: laanwj: ACK 900d8f6f70859f528e84c5c38d0332f81d19df55 Tree-SHA512: ab020a16a86c1e8ec709fbf798d533879d32c565eceeb7eb785c33042c49c6b4d1108c5453d8166e4a2abffc2c8802fbb6d3b895e0ddeefa8f274fd647e3c8ad
2020-02-05Merge #18023: Fix some asmap issuesWladimir J. van der Laan
c86bc144081f960347232546f7d22deb65d27deb Make asmap Interpret tolerant of malicious map data (Pieter Wuille) 38c2395d7a905c87dc4630031849fd8e403e61bf Use ASNs for mapped IPv4 addresses correctly (Pieter Wuille) 6f8c93731203c111f86c39eaf2102f9a825d1706 Mark asmap const in statistics code (Pieter Wuille) d58bcdc4b569a667b6974c3547b7ff6f665afce9 Avoid asmap copies in initialization (Pieter Wuille) Pull request description: Here are a few things to improve in the asmap implementation. The first two commits are just code improvements. The last one is a bugfix (the exsting code wouldn't correctly apply ASN lookups to mapped/embedded IPv4 addresses). ACKs for top commit: practicalswift: ACK c86bc144081f960347232546f7d22deb65d27deb -- patch looks correct naumenkogs: utACK c86bc14 laanwj: ACK c86bc144081f960347232546f7d22deb65d27deb jonatack: ACK c86bc144081f960347232546f7d22deb65d27deb code looks correct, built/ran tests, bitcoind with -asmap pointed to asmap/demo.map Tree-SHA512: 1036f43152754d621bfbecfd3b7c7276e4670598fcaed42a3d275e51fa2cf3653e2c9e9cfa714f6c7719362541510e92171e076ac4169b55a0cc8908b2d514c0
2020-01-31Make asmap Interpret tolerant of malicious map dataPieter Wuille
2020-01-29on startup, write config options to debug.logLarry Ruane
2020-01-29Merge #16702: p2p: supplying and using asmap to improve IP bucketing in addrmanWladimir J. van der Laan
3c1bc40205a3fcab606e70b0e3c13d68b2860e34 Add extra logging of asmap use and bucketing (Gleb Naumenko) e4658aa8eaf1629dd5af8cf7b9717a8e72028251 Return mapped AS in RPC call getpeerinfo (Gleb Naumenko) ec45646de9e62b3d42c85716bfeb06d8f2b507dc Integrate ASN bucketing in Addrman and add tests (Gleb Naumenko) 8feb4e4b667361bf23344149c01594abebd56fdb Add asmap utility which queries a mapping (Gleb Naumenko) Pull request description: This PR attempts to solve the problem explained in #16599. A particular attack which encouraged us to work on this issue is explained here [[Erebus Attack against Bitcoin Peer-to-Peer Network](https://erebus-attack.comp.nus.edu.sg/)] (by @muoitranduc) Instead of relying on /16 prefix to diversify the connections every node creates, we would instead rely on the (ip -> ASN) mapping, if this mapping is provided. A .map file can be created by every user independently based on a router dump, or provided along with the Bitcoin release. Currently we use the python scripts written by @sipa to create a .map file, which is no larger than 2MB (awesome!). Here I suggest adding a field to peers.dat which would represent a hash of asmap file used while serializing addrman (or 0 for /16 prefix legacy approach). In this case, every time the file is updated (or grouping method changed), all buckets will be re-computed. I believe that alternative selective re-bucketing for only updated ranges would require substantial changes. TODO: - ~~more unit tests~~ - ~~find a way to test the code without including >1 MB mapping file in the repo.~~ - find a way to check that mapping file is not corrupted (checksum?) - comments and separate tests for asmap.cpp - make python code for .map generation public - figure out asmap distribution (?) ~Interesting corner case: I’m using std::hash to compute a fingerprint of asmap, and std::hash returns size_t. I guess if a user updates the OS to 64-bit, then the hash of asap will change? Does it even matter?~ ACKs for top commit: laanwj: re-ACK 3c1bc40205a3fcab606e70b0e3c13d68b2860e34 jamesob: ACK 3c1bc40205a3fcab606e70b0e3c13d68b2860e34 ([`jamesob/ackr/16702.3.naumenkogs.p2p_supplying_and_using`](https://github.com/jamesob/bitcoin/tree/ackr/16702.3.naumenkogs.p2p_supplying_and_using)) jonatack: ACK 3c1bc40205a3fcab606e70b0e3c13d68b2860e34 Tree-SHA512: e2dc6171188d5cdc2ab2c022fa49ed73a14a0acb8ae4c5ffa970172a0365942a249ad3d57e5fb134bc156a3492662c983f74bd21e78d316629dcadf71576800c
2020-01-22Merge #17887: bug-fix macos: give free bytes to F_PREALLOCATEWladimir J. van der Laan
75163f4729c10c40d2843da28a8c79ab89193f6a bug-fix macos: give free bytes to F_PREALLOCATE (Karl-Johan Alm) Pull request description: The macos manpage for `fcntl` (for `F_PEOFPOSMODE`) states: > Allocate from the physical end of file. In this case, fst_length indicates the number of newly allocated bytes desired. This would result in the rev files being essentially pre-allocating 2x their necessary size (this is the case for block files as well, but these are flushed down to their right sizes every time) as they would pre-allocate `pos + length` **free** bytes, rather than allocating `length` bytes after `pos`, as expected. Fixes #17827. ACKs for top commit: eriknylund: ACK 75163f4729c10c40d2843da28a8c79ab89193f6a built locally. All tests passing. Manual test as per my previous comment above on an older commit, using an APFS unencrypted disk image with 3 GB. laanwj: code review ACK 75163f4729c10c40d2843da28a8c79ab89193f6a Tree-SHA512: 105c8d56c20acad8febdf0583f1e5721b63376ace325a7a62c2e4b15a442c7131404ed604c32c0cda716791d7ca5aa9f5b6a774ff86e39838bc7e87ca3c42760
2020-01-15wallet: Replace %w by wallet name in -walletnotify scriptJoão Barbosa
Co-authored-by: Russell Yanofsky <russ@yanofsky.org>
2020-01-15bug-fix macos: give free bytes to F_PREALLOCATEKarl-Johan Alm
The macos manpage for fcntl (for F_PEOFPOSMODE) states: > Allocate from the physical end of file. In this case, fst_length indicates the number of newly allocated bytes desired.
2020-01-15scripted-diff: Bump copyright of files changed in 2020MarcoFalke
-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT-
2020-01-15scripted-diff: Replace CCriticalSection with RecursiveMutexMarcoFalke
-BEGIN VERIFY SCRIPT- # Delete outdated alias for RecursiveMutex sed -i -e '/CCriticalSection/d' ./src/sync.h # Replace use of outdated alias with RecursiveMutex sed -i -e 's/CCriticalSection/RecursiveMutex/g' $(git grep -l CCriticalSection) -END VERIFY SCRIPT-
2020-01-10Fix improper Doxygen inline commentsBen Woosley
The proper syntax is "//!<" http://www.doxygen.nl/manual/docblocks.html#memberdoc
2020-01-09Merge #16688: log: Add validation interface loggingWladimir J. van der Laan
f9abf4ab6d3d3e4d4b7e90723020b5422a141a6f Add logging for CValidationInterface events (Jeffrey Czyz) 6edebacb2191373e76d79a4972d6192300976096 Refactor FormatStateMessage for clarity (Jeffrey Czyz) 72f3227c83810936e7a334304e5fd7c6dab8e91b Format CValidationState properly in all cases (Jeffrey Czyz) 428ac70095253225f64462ee15c595644747f376 Add VALIDATION to BCLog::LogFlags (Jeffrey Czyz) Pull request description: Add logging of `CValidationInterface` callbacks using a new `VALIDATIONINTERFACE` log flag (see #12994). A separate flag is desirable as the logging can be noisy and thus may need to be disabled without affecting other logging. This could help debug issues where there may be race conditions at play, such as #12978. ACKs for top commit: jnewbery: ACK f9abf4ab6d3d3e4d4b7e90723020b5422a141a6f hebasto: ACK f9abf4ab6d3d3e4d4b7e90723020b5422a141a6f ariard: ACK f9abf4a, only changes since 0cadb12 are replacing log indication `VALIDATIONINTERFACE` by `VALIDATION` and avoiding a forward declaration with a new include ryanofsky: Code review ACK f9abf4ab6d3d3e4d4b7e90723020b5422a141a6f. Just suggested changes since last review (thanks!) Tree-SHA512: 3e0f6e2c8951cf46fbad3ff440971d95d526df2a52a2e4d6452a82785c63d53accfdabae66b0b30e2fe0b00737f8d5cb717edbad1460b63acb11a72c8f5d4236
2020-01-03Refactor FormatStateMessage for clarityJeffrey Czyz
All cases of CValidationState were condensed into one strprintf call. This is no longer suitable as more cases are added (e.g., IsValid).
2020-01-03Format CValidationState properly in all casesJeffrey Czyz
FormatStateMessage does not properly handle the case where CValidationState::IsValid() returns true. Use "Valid" for the state in this case.
2020-01-02Merge #17762: net: Log to net category for exceptions in ProcessMessagesWladimir J. van der Laan
4bdd68f301a9cee3360deafc7531c638e923226b Add missing typeinfo includes (Wladimir J. van der Laan) 4d88c3dcb61e7c075ed3dd442044e0eff4e3c8de net: Log to net category for exceptions in ProcessMessages (Wladimir J. van der Laan) Pull request description: Remove the forest of special exceptions based on string matching, and simply log a short message to the NET logging category when an exception happens during packet processing. It is not good to panick end users with verbose errors (let alone writing to stderr) when any peer can generate them. ACKs for top commit: MarcoFalke: re-ACK 4bdd68f301a9cee3360deafc7531c638e923226b (only change is adding includes) 🕕 promag: ACK 4bdd68f301a9cee3360deafc7531c638e923226b, could squash. Tree-SHA512: a005591a3202b005c75e01dfa54249db3992e2f9eefa8b3d9d435acf66130417716ed926ce4e045179cf43788f1abc7362d999750681a9c80b318373d611c366
2020-01-02Add missing typeinfo includesWladimir J. van der Laan
The use of `typeid()` for logging exception types requires this include according to https://en.cppreference.com/w/cpp/language/typeid.
2019-12-30scripted-diff: Bump copyright of files changed in 2019MarcoFalke
-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT-
2019-12-19util: Disallow network-qualified command line optionsRussell Yanofsky
Previously these were allowed but ignored.
2019-12-20Merge #17473: refactor: Settings code cleanupsMarcoFalke
e9fd366044e271632dc0e4f96e1c14f8e87213ae refactor: Remove null setting check in GetSetting() (Russell Yanofsky) cba2710220d76bbe790b04088839cbbd410436de scripted-diff: Remove unused ArgsManager type flags in tests (Russell Yanofsky) 425bb307252cf4dec9b3ef6426e6548b2be7a303 refactor: Add util_CheckValue test (Russell Yanofsky) 0fa54358b06b58f4d17073bcc8a959eb9498aadc refactor: Add ArgsManager::GetSettingsList method (Russell Yanofsky) 3e185522ace1678e0a25b9cf8a5553a4bc279bea refactor: Get rid of ArgsManagerHelper class (Russell Yanofsky) dc0f1480746b34aa3ca2d9c0f1ec764083026b40 refactor: Replace FlagsOfKnownArg with GetArgFlags (Russell Yanofsky) 57e8b7a7273567aa4a4aee87cce18e9bff8f3196 refactor: Clean up includeconf comments (Russell Yanofsky) 3f7dc9b808316c1e5d677af8d9a99112568c8ccb refactor: Clean up long lines in settings code (Russell Yanofsky) Pull request description: This PR doesn't change behavior. It just implements some suggestions from #15934 and #16545 and few other small cleanups. ACKs for top commit: jnewbery: Code review ACK e9fd366044e271632dc0e4f96e1c14f8e87213ae MarcoFalke: ACK e9fd366044 🚟 Tree-SHA512: 6e100d92c72f72bc39567187ab97a3547b3c06e5fcf1a1b74023358b8bca552124ca6a53c0ab53179b7f1329c03d9a73faaef6d73d2cd1a2321568a0286525e2
2019-12-18 Add asmap utility which queries a mappingGleb Naumenko
The scripts for creating a compact IP->ASN mapping are here: https://github.com/sipa/asmap Co-authored-by: Pieter Wuille <pieter.wuille@gmail.com>
2019-12-16util: Move TrimString(...). Introduce default pattern (trims whitespace). ↵practicalswift
Add NODISCARD.
2019-12-16util: Don't allow DecodeBase32(...) of strings with embedded NUL characterspracticalswift
2019-12-16util: Don't allow DecodeBase64(...) of strings with embedded NUL characterspracticalswift
2019-12-16util: Don't allow ParseMoney(...) of strings with embedded NUL characterspracticalswift
2019-12-12util: Don't allow base58-decoding of std::string:s containing non-base58 ↵practicalswift
characters
2019-11-26util: make ScheduleBatchPriority advisory onlyfanquake
2019-11-13refactor: Remove null setting check in GetSetting()Russell Yanofsky
Also rename the "result_complete" variable in GetSettingsList() to "done" to be more consistent with GetSetting(). This change doesn't affect current behavior but could be useful in the future to support dynamically changing settings at runtime and adding new settings sources, because it lets high priority sources reset settings back to default (see test). By removing a special case for null, this change also helps merge code treat settings values more like black boxes, and interfere less with settings parsing and retrieval.
2019-11-13refactor: Add ArgsManager::GetSettingsList methodRussell Yanofsky
Add for consistency with ArgsManager::GetSetting method and to make setting types accessible to ArgsManager callers and tests (test added next commit). This commit does not change behavior.
2019-11-13refactor: Get rid of ArgsManagerHelper classRussell Yanofsky
Suggested by John Newbery <john@johnnewbery.com> https://github.com/bitcoin/bitcoin/pull/15934#issuecomment-551969778 This commit does not change behavior.
2019-11-13refactor: Replace FlagsOfKnownArg with GetArgFlagsRussell Yanofsky
Rename suggested by João Barbosa <joao.paulo.barbosa@gmail.com> https://github.com/bitcoin/bitcoin/pull/16545#issuecomment-519048000 This also gets rid of ArgsManager::NONE constant, which was an implementation detail not meant to be used by ArgsManager callers. Finally this reverts a change from 7f40528cd50fc43ac0bd3e785de24d661adddb7a https://github.com/bitcoin/bitcoin/pull/15934 adding "-" characters to argument names. Better for GetArgFlags to require "-" prefixes for consistency with other ArgsManager methods, and to be more efficient later when GetArg functions need to call GetArgFlags (https://github.com/bitcoin/bitcoin/pull/16545) This commit does not change behavior.