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2020-11-02Merge #20080: Strip any trailing `/` in -datadir and -blocksdir pathsSamuel Dobson
ad5cef5dfdd5802fc187a52e74d940a52f420a51 doc: Update data directory path comments (Hennadii Stepanov) b19e88230f0e93e95e883e65376963cb9c36f606 util: Add StripRedundantLastElementsOfPath function (Hennadii Stepanov) Pull request description: Wallet names in `listwalletdir` RPC are correct now, even if the `-datadir` path has any number of trailing `/`. This PR is an alternative to #19933. Fixes #19928. ACKs for top commit: MarcoFalke: review ACK ad5cef5dfd 🔙 promag: Code review ACK ad5cef5dfdd5802fc187a52e74d940a52f420a51. meshcollider: Code review + test run ACK ad5cef5dfdd5802fc187a52e74d940a52f420a51 Tree-SHA512: bccabbd6c18243d48d15b2b27201cc0f5984623dcbc635c8740cf74523f359844c36eadd40391142874fcf452a43880bb6afbf89815ae736e499f9a98143a661
2020-10-27doc: Update data directory path commentsHennadii Stepanov
2020-10-27util: Add StripRedundantLastElementsOfPath functionHennadii Stepanov
Co-authored-by: saibato <saibato.naga@pm.me> Co-authored-by: MarcoFalke <falke.marco@gmail.com>
2020-10-19Merge #19624: Warn on unknown rw_settingsMarcoFalke
fa48405ef84985e5a9d38ec38e90d16596ea45b5 Warn on unknown rw_settings (MarcoFalke) Pull request description: Log a warning to debug log if unknown settings are encountered. This should probably only ever happen when the software is upgraded. Something similar is already done for the command line and config file. See: * test: Add test for unknown args #16234 (commit fa7dd88b71a1c6641bd450fae29a4a31849b1afd) ACKs for top commit: ryanofsky: Code review ACK fa48405ef84985e5a9d38ec38e90d16596ea45b5. Looks good and I could see this being helpful for debugging. Thanks for taking suggestions Tree-SHA512: cec7d88adf84fa0a842f56b26245157736eb50df433db951e622ea07fd145b899822b24cdab1d8b36c066415ce4f0ef09b493fa8a8d691532822a59c573aafa7
2020-10-06util: Do not use gArgs global in ArgsManager member functionsHennadii Stepanov
2020-09-21Merge #18267: BIP-325: Signet [consensus]Wladimir J. van der Laan
8258c4c0076bb5f27efdc117a04b27fcd6dd00b2 test: some sanity checks for consensus logic (Anthony Towns) e47ad375bf17557f805bd206e789b8db78c6338a test: basic signet tests (Karl-Johan Alm) 4c189abdc452f08dfa758564b5381bc78c42d481 test: add small signet fuzzer (practicalswift) ec9b25d046793be50da1c11ba61d1b4b13b295b0 test: signet network selection tests (Karl-Johan Alm) 3efe298dccb248f25d6b01ab6a80b1cd6c9e1a1e signet: hard-coded parameters for Signet Global Network VI (2020-09-07) (Karl-Johan Alm) c7898bca4e1ccbc6edafd3b72eaf80df38e3af32 qt: update QT to support signet network (Karl-Johan Alm) a8de47a1c9033fac3355590f1fe2158a95011bb3 consensus: add signet validation (Karl-Johan Alm) e8990f121405af8cd539b904ef082439261e6c93 add signet chain and accompanying parameters (Karl-Johan Alm) 404682b7cdb54494e7c98f0ba0cac8b51f379750 add signet basic support (signet.cpp) (Karl-Johan Alm) a2147d7dadec1febcd9c2b8ebbbf78dce6d0556b validation: move GetWitnessCommitmentIndex to consensus/validation (Karl-Johan Alm) Pull request description: This PR is a part of BIP-325 (https://github.com/bitcoin/bips/blob/master/bip-0325.mediawiki), and is a sub-PR of #16411. * Signet consensus (this) * Signet RPC tools (pending) * Signet utility scripts (contrib/signet) (pending) ACKs for top commit: jonatack: re-ACK 8258c4c0076bb5f27efdc117a04b27fcd6dd00b per `git diff dbeea65 8258c4c`, only change since last review is updated `-signet*` config option naming. fjahr: re-ACK 8258c4c laanwj: ACK 8258c4c0076bb5f27efdc117a04b27fcd6dd00b2 MarcoFalke: Approach ACK 8258c4c007 🌵 Tree-SHA512: 5d158add96755910837feafa8214e13695b769a6aec3a2da753cf672618bef377fac43b0f4b772a87b25dd9f0c1c9b29f2789785d7a7d47a155cdcf48f7c975d
2020-09-18add signet chain and accompanying parametersKarl-Johan Alm
Co-authored-by: Anthony Towns <aj@erisian.com.au>
2020-08-31Merge #19803: Bugfix: Define and use HAVE_FDATASYNC correctly outside LevelDBfanquake
c4b85ba704a1b5257dc82786a84f676bacb7b027 Bugfix: Define and use HAVE_FDATASYNC correctly outside LevelDB (Luke Dashjr) Pull request description: Fixes a bug introduced in #19614 The LevelDB-specific fdatasync check was only using `AC_SUBST`, which works for Makefiles, but doesn't define anything for C++. Furthermore, the #define is typically 0 or 1, never undefined. This fixes both issues by defining it and checking its value instead of whether it is merely defined. Pulled out of #14501 by fanquake's request ACKs for top commit: fanquake: ACK c4b85ba704a1b5257dc82786a84f676bacb7b027 - thanks for catching and fixing my mistake. laanwj: Code review ACK c4b85ba704a1b5257dc82786a84f676bacb7b027 Tree-SHA512: 91d5d426ba000b4f3ee7e2315635e24bbb23ceff16269ddf4f65a63d25fc9e9cf94a3b236eed2f8031cc36ddcf78aeb5916efcb244f415943a8a12f907ede8f9
2020-08-28Warn on unknown rw_settingsMarcoFalke
2020-08-25Bugfix: Define and use HAVE_FDATASYNC correctly outside LevelDBLuke Dashjr
2020-08-20Move Win32 defines to configure.ac to ensure they are globally definedLuke Dashjr
common.vcxproj used for MSVC builds
2020-08-05Merge #19614: util: use HAVE_FDATASYNC to determine fdatasync() useWladimir J. van der Laan
1d8338d6b71447a5bf18750ca44724345aae5b60 util: use HAVE_FDATASYNC to determine fdatasync() use (fanquake) Pull request description: Rather than just using on Linux and NetBSD, use `fdatasync()` based on whether it's available. i.e `fdatasync` is available in newer versions of FreeBSD. This also aligns more closely with what is being done in leveldb. Was pointed out by Luke in #19430. ACKs for top commit: practicalswift: ACK 1d8338d6b71447a5bf18750ca44724345aae5b60 -- patch looks correct laanwj: ACK 1d8338d6b71447a5bf18750ca44724345aae5b60 hebasto: ACK 1d8338d6b71447a5bf18750ca44724345aae5b60 Tree-SHA512: 7dd6d87f5dc0c0ba21ae42f96b63fc12b34806cd536457fc4284f14bb8c235765344be228b000c6adf4cd1e8c4e6a03a18ca18ab22599c42cc3b706e0bcd1a17
2020-07-31[util] add RunCommandParseJSONSjors Provoost
2020-07-28util: use HAVE_FDATASYNC to determine fdatasync() usefanquake
Rather than just using it on Linux and NetBSD, use `fdatasync()` based on whether it's available. i.e it is available in newer versions of FreeBSD (11.1 and later). This also aligns our code more closely with what is being done in leveldb. Was pointed out by Luke in #19430.
2020-07-11Add <datadir>/settings.json persistent settings storage.Russell Yanofsky
Persistent settings are used in followup PRs #15936 to unify gui settings between bitcoin-qt and bitcoind, and #15937 to add a load_on_startup flag to the loadwallet RPC and maintain a dynamic list of wallets that should be loaded on startup that also can be shared between bitcoind and bitcoin-qt.
2020-06-08util: Don't reference errno when pthread fails.MIZUTA Takeshi
Pthread library does not set errno. Pthread library's errno is returned by return value. Co-authored-by: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
2020-05-26util/system.cpp: add thread safety annotations for dir_locksAnthony Towns
2020-04-30Merge #18437: util: Detect posix_fallocate() instead of assumingWladimir J. van der Laan
182dbdf0f4b6e6484b0d4588aaefacc75862a99c util: Detect posix_fallocate() instead of assuming (Vasil Dimov) Pull request description: Don't assume that `posix_fallocate()` is available on Linux and not available on other operating systems. At least FreeBSD has it and we are not using it. Properly check whether `posix_fallocate()` is present and use it if it is. ACKs for top commit: laanwj: ACK 182dbdf0f4b6e6484b0d4588aaefacc75862a99c Tree-SHA512: f9ed4bd661f33ff6b2b1150591e860b3c1f44e12b87c35e870d06a7013c4e841ed2bf17b41ad6b18fe471b0b23a4b5e42cf1400637180888e0bc56c254fe0766
2020-04-23Merge #17509: gui: save and load PSBTSamuel Dobson
764bfe4cba35c24f7627cc425d9e7eba56e98964 [psbt] add file size limit (Sjors Provoost) 1cd8dc2556b847e11a238b9e69493cd8fbeecc6c [gui] load PSBT (Sjors Provoost) f6895301f768220f3ea70231d5cc5b45ecbf4488 [gui] save PSBT to file (Sjors Provoost) 1d05a9d80b1211b47af465ba6958b0ec5a8c33ab Move DEFAULT_MAX_RAW_TX_FEE_RATE to node/transaction.h (Sjors Provoost) 86e22d23bb90383971a68ead0666f225ddd632fb [util] GetFileSize (Sjors Provoost) 6ab3aad9a51cc5e97a8e2ae7dbd5082272163c30 [gui] send dialog: split on_sendButton_clicked (Sjors Provoost) Pull request description: This adds: * a dialog after Create Unsigned, which lets you save a PSBT file in binary format, e.g. to an SD card * a "Load PSBT" menu entry lets you pick a PSBT file. We broadcast the transaction if complete ## Save flow <img width="482" alt="Schermafbeelding 2020-01-04 om 20 39 34" src="https://user-images.githubusercontent.com/10217/71765684-ba60d580-2f32-11ea-8dea-0c4398eb6e15.png"> <img width="287" alt="Schermafbeelding 2020-01-04 om 20 40 35" src="https://user-images.githubusercontent.com/10217/71765677-a0bf8e00-2f32-11ea-8172-12dfd34a89f3.png"> <img width="594" alt="Schermafbeelding 2020-01-04 om 20 41 12" src="https://user-images.githubusercontent.com/10217/71765681-aa48f600-2f32-11ea-8e2c-c4f6bf9f5309.png"> <img width="632" alt="Schermafbeelding 2020-01-04 om 20 41 28" src="https://user-images.githubusercontent.com/10217/71765691-d19fc300-2f32-11ea-97ff-70f5dd59987a.png"> By default the file name contains the destination address(es) and amount(s). We only use the binary format for files, in order to avoid compatibility hell. If we do want to add base64 file format support, we should use a different extension for that (`.psbt64`?). ## Load flow Select a file: <img width="649" alt="Schermafbeelding 2020-01-04 om 21 08 57" src="https://user-images.githubusercontent.com/10217/71766089-2ba28780-2f37-11ea-875d-074794b5707d.png"> Offer to send if complete: <img width="308" alt="Schermafbeelding 2020-01-04 om 21 09 06" src="https://user-images.githubusercontent.com/10217/71766088-2a715a80-2f37-11ea-807d-394c8b840c59.png"> Tell user if signatures are missing, offer to copy to clipboard: <img width="308" alt="Schermafbeelding 2020-01-04 om 21 15 57" src="https://user-images.githubusercontent.com/10217/71766115-702e2300-2f37-11ea-9f62-a6ede499c0fa.png"> Incomplete for another reason: <img width="309" alt="Schermafbeelding 2020-01-04 om 21 07 51" src="https://user-images.githubusercontent.com/10217/71766090-2c3b1e00-2f37-11ea-8a22-6188377b67a1.png"> ACKs for top commit: instagibbs: re-ACK https://github.com/bitcoin/bitcoin/pull/17509/commits/764bfe4cba35c24f7627cc425d9e7eba56e98964 achow101: ACK 764bfe4cba35c24f7627cc425d9e7eba56e98964 jb55: Tested ACK 764bfe4cba35c24f7627cc425d9e7eba56e98964 jonatack: ACK 764bfe4c promag: Code review ACK 764bfe4cba35c24f7627cc425d9e7eba56e98964. Tree-SHA512: d284ed6895f3a271fb8ff879aac388ad217ddc13f72074725608e1c3d6d90650f6dc9e9e254479544dd71fc111516b02c8ff92158153208dc40fb2726b37d063
2020-04-16util: Document why ArgsManager (con/de)structor is not inlineMarcoFalke
2020-04-14util: Detect posix_fallocate() instead of assumingVasil Dimov
Don't assume that `posix_fallocate()` is available on Linux and not available on other operating systems. At least FreeBSD has it and we are not using it. Properly check whether `posix_fallocate()` is present and use it if it is.
2020-03-24[util] GetFileSizeSjors Provoost
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
2020-02-05Merge #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
2020-01-29on startup, write config options to debug.logLarry Ruane
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-
2020-01-02Merge #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.
2019-12-19util: 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
2019-12-16util: Move TrimString(...). Introduce default pattern (trims whitespace). ↵practicalswift
Add NODISCARD.
2019-11-26util: make ScheduleBatchPriority advisory onlyfanquake
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.
2019-11-13refactor: Clean up includeconf commentsRussell Yanofsky
Suggested by Antoine Riard <ariard@student.42.fr> https://github.com/bitcoin/bitcoin/pull/15934#discussion_r344291875 and John Newbery <john@johnnewbery.com> https://github.com/bitcoin/bitcoin/pull/15934#discussion_r344271224 This commit does not change behavior.
2019-11-07Deduplicate settings merge codeRussell Yanofsky
Get rid of settings merging code in util/system.cpp repeated 5 places, inconsistently: - ArgsManagerHelper::GetArg - ArgsManagerHelper::GetNetBoolArg - ArgsManager::GetArgs - ArgsManager::IsArgNegated - ArgsManager::GetUnsuitableSectionOnlyArgs Having settings merging code separated from parsing simplifies parsing somewhat (for example negated values can simply be represented as false values instead of partially cleared or emply placeholder lists). Having settings merge happen one place instead of 5 makes it easier to add new settings sources and harder to introduce new inconsistencies in the way settings are merged. This commit does not change behavior in any way.
2019-11-07Remove includeconf nested scopeRussell Yanofsky
Easier to review ignoring whitespace Suggestion from John Newbery <john@johnnewbery.com> in https://github.com/bitcoin/bitcoin/pull/15934#discussion_r343806860
2019-11-07Rename includeconf variables for clarityRussell Yanofsky
includeconf -> conf_file_names to_include -> conf_file_name include_config -> conf_file_stream Suggestion from John Newbery <john@johnnewbery.com> in https://github.com/bitcoin/bitcoin/pull/15934#discussion_r343905138
2019-11-07Clarify emptyIncludeConf logicRussell Yanofsky
Suggestion from John Newbery <john@johnnewbery.com> in https://github.com/bitcoin/bitcoin/pull/15934#discussion_r343795528
2019-10-28refactor: Remove redundant c_str() calls in formattingWladimir J. van der Laan
Our formatter, tinyformat, *never* needs `c_str()` for strings. Remove redundant `c_str()` calls for: - `strprintf` - `LogPrintf` - `tfm::format`
2019-10-18util: Filter out macOS process serial numberHennadii Stepanov
2019-10-15Remove unused includespracticalswift
2019-10-09init: Change fallback locale to C.UTF-8Wladimir J. van der Laan
Much of our code assumes UTF-8 support, and this is a more realistic guess for modern systems anyway than the default character set (which would be ASCII only). So change the assumed fallback locale (if no locale is defined by the user or OS) to `C.UTF-8`.
2019-09-06Testchains: Generic selection with -chain=<str> in addition of -testnet and ↵Jorge Timón
-regtest
2019-08-19Merge #15864: Fix datadir handlingMarcoFalke
ffea41f5301d5582665cf10ba5c2b9547a1443de Enable all tests in feature_config_args.py (Hennadii Stepanov) 66f5c17f8a3fe06fc65191e379ffc04e43cbbc86 Use CheckDataDirOption() for code uniformity (Hennadii Stepanov) 7e33a18a34b1a9b0f115076c142661d6d30c0585 Fix datadir handling in bitcoin-cli (Hennadii Stepanov) b28dada37465c0a773cf08b0e6766f0081bcb943 Fix datadir handling in bitcoin-qt (Hennadii Stepanov) 50824093bb2d68fe1393dfd636fab5f8795faa5d Fix datadir handling in bitcoind (Hennadii Stepanov) 740d41ce9f7fdf209366e930bd0fdcc6b1bc6b79 Add CheckDataDirOption() function (Hennadii Stepanov) c1f325126cf51d28dce8da74bfdf5cd05ab237ea Return absolute path early in AbsPathForConfigVal (Hennadii Stepanov) Pull request description: Fix #15240, see: https://github.com/bitcoin/bitcoin/issues/15240#issuecomment-487353760 Fix #15745 Fix broken `feature_config_args.py` tests (disabled by MarcoFalke@fabe28a0cdcfa13e0e595a0905e3642a960d3077). All test are enabled now. This PR is alternative to #13621. User's `$HOME` directory is not touched unnecessarily now. ~To make reviewing easier only `bitcoind` code is modified (neither `bitcoin-cli` nor `bitcoin-qt`).~ Refs: - https://github.com/bitcoin/bitcoin/issues/15745#issuecomment-479852569 by **laanwj** - #16220 Top commit has no ACKs. Tree-SHA512: 4a4cda10e0b67c8f374da0c9567003d2b566d948e7f8550fe246868b5794c15010e88ea206009480b9cd2f737f310a15e984f920730448f99a895893bed351df
2019-08-08util: refactor upper/lowercase functionsKarl-Johan Alm
This includes renaming Downcase() to ToLower() and make it return a string rather than modify referenced arg. Also adds ToUpper() string version.
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