From 7c5bc2a52388522eccd3090e9473d4b627980672 Mon Sep 17 00:00:00 2001 From: practicalswift Date: Tue, 31 Jul 2018 07:32:47 +0200 Subject: [PATCH 1/4] miner: Default to DEFAULT_BLOCK_MIN_TX_FEE if unable to parse -blockmintxfee --- src/miner.cpp | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/miner.cpp b/src/miner.cpp index feb86cab6..96c9cd6d2 100644 --- a/src/miner.cpp +++ b/src/miner.cpp @@ -70,9 +70,8 @@ static BlockAssembler::Options DefaultOptions() // If -blockmaxweight is not given, limit to DEFAULT_BLOCK_MAX_WEIGHT BlockAssembler::Options options; options.nBlockMaxWeight = gArgs.GetArg("-blockmaxweight", DEFAULT_BLOCK_MAX_WEIGHT); - if (gArgs.IsArgSet("-blockmintxfee")) { - CAmount n = 0; - ParseMoney(gArgs.GetArg("-blockmintxfee", ""), n); + CAmount n = 0; + if (gArgs.IsArgSet("-blockmintxfee") && ParseMoney(gArgs.GetArg("-blockmintxfee", ""), n)) { options.blockMinFeeRate = CFeeRate(n); } else { options.blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE); From 145fe95ec7a15c3796d5ed24521dde220edecbe0 Mon Sep 17 00:00:00 2001 From: practicalswift Date: Thu, 2 Aug 2018 16:31:10 +0200 Subject: [PATCH 2/4] tests: Check return value of ParseParameters(...) --- src/test/getarg_tests.cpp | 2 +- src/test/util_tests.cpp | 44 +++++++++++++++++++-------------------- 2 files changed, 23 insertions(+), 23 deletions(-) diff --git a/src/test/getarg_tests.cpp b/src/test/getarg_tests.cpp index 0432ede3e..14ddf4d10 100644 --- a/src/test/getarg_tests.cpp +++ b/src/test/getarg_tests.cpp @@ -28,7 +28,7 @@ static void ResetArgs(const std::string& strArg) vecChar.push_back(s.c_str()); std::string error; - gArgs.ParseParameters(vecChar.size(), vecChar.data(), error); + BOOST_CHECK(gArgs.ParseParameters(vecChar.size(), vecChar.data(), error)); } static void SetupArgs(const std::vector& args) diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp index ff19b12a9..f461c7496 100644 --- a/src/test/util_tests.cpp +++ b/src/test/util_tests.cpp @@ -210,13 +210,13 @@ BOOST_AUTO_TEST_CASE(util_ParseParameters) std::string error; testArgs.SetupArgs(4, avail_args); - testArgs.ParseParameters(0, (char**)argv_test, error); + BOOST_CHECK(testArgs.ParseParameters(0, (char**)argv_test, error)); BOOST_CHECK(testArgs.GetOverrideArgs().empty() && testArgs.GetConfigArgs().empty()); - testArgs.ParseParameters(1, (char**)argv_test, error); + BOOST_CHECK(testArgs.ParseParameters(1, (char**)argv_test, error)); BOOST_CHECK(testArgs.GetOverrideArgs().empty() && testArgs.GetConfigArgs().empty()); - testArgs.ParseParameters(7, (char**)argv_test, error); + BOOST_CHECK(testArgs.ParseParameters(7, (char**)argv_test, error)); // expectation: -ignored is ignored (program name argument), // -a, -b and -ccc end up in map, -d ignored because it is after // a non-option argument (non-GNU option parsing) @@ -242,7 +242,7 @@ BOOST_AUTO_TEST_CASE(util_GetBoolArg) "ignored", "-a", "-nob", "-c=0", "-d=1", "-e=false", "-f=true"}; std::string error; testArgs.SetupArgs(6, avail_args); - testArgs.ParseParameters(7, (char**)argv_test, error); + BOOST_CHECK(testArgs.ParseParameters(7, (char**)argv_test, error)); // Each letter should be set. for (const char opt : "abcdef") @@ -278,7 +278,7 @@ BOOST_AUTO_TEST_CASE(util_GetBoolArgEdgeCases) const char *argv_test[] = {"ignored", "-nofoo", "-foo", "-nobar=0"}; testArgs.SetupArgs(2, avail_args); std::string error; - testArgs.ParseParameters(4, (char**)argv_test, error); + BOOST_CHECK(testArgs.ParseParameters(4, (char**)argv_test, error)); // This was passed twice, second one overrides the negative setting. BOOST_CHECK(!testArgs.IsArgNegated("-foo")); @@ -290,7 +290,7 @@ BOOST_AUTO_TEST_CASE(util_GetBoolArgEdgeCases) // Config test const char *conf_test = "nofoo=1\nfoo=1\nnobar=0\n"; - testArgs.ParseParameters(1, (char**)argv_test, error); + BOOST_CHECK(testArgs.ParseParameters(1, (char**)argv_test, error)); testArgs.ReadConfigString(conf_test); // This was passed twice, second one overrides the negative setting, @@ -305,7 +305,7 @@ BOOST_AUTO_TEST_CASE(util_GetBoolArgEdgeCases) // Combined test const char *combo_test_args[] = {"ignored", "-nofoo", "-bar"}; const char *combo_test_conf = "foo=1\nnobar=1\n"; - testArgs.ParseParameters(3, (char**)combo_test_args, error); + BOOST_CHECK(testArgs.ParseParameters(3, (char**)combo_test_args, error)); testArgs.ReadConfigString(combo_test_conf); // Command line overrides, but doesn't erase old setting @@ -557,38 +557,38 @@ BOOST_AUTO_TEST_CASE(util_GetChainName) const char* testnetconf = "testnet=1\nregtest=0\n[test]\nregtest=1"; std::string error; - test_args.ParseParameters(0, (char**)argv_testnet, error); + BOOST_CHECK(test_args.ParseParameters(0, (char**)argv_testnet, error)); BOOST_CHECK_EQUAL(test_args.GetChainName(), "main"); - test_args.ParseParameters(2, (char**)argv_testnet, error); + BOOST_CHECK(test_args.ParseParameters(2, (char**)argv_testnet, error)); BOOST_CHECK_EQUAL(test_args.GetChainName(), "test"); - test_args.ParseParameters(2, (char**)argv_regtest, error); + BOOST_CHECK(test_args.ParseParameters(2, (char**)argv_regtest, error)); BOOST_CHECK_EQUAL(test_args.GetChainName(), "regtest"); - test_args.ParseParameters(3, (char**)argv_test_no_reg, error); + BOOST_CHECK(test_args.ParseParameters(3, (char**)argv_test_no_reg, error)); BOOST_CHECK_EQUAL(test_args.GetChainName(), "test"); - test_args.ParseParameters(3, (char**)argv_both, error); + BOOST_CHECK(test_args.ParseParameters(3, (char**)argv_both, error)); BOOST_CHECK_THROW(test_args.GetChainName(), std::runtime_error); - test_args.ParseParameters(0, (char**)argv_testnet, error); + BOOST_CHECK(test_args.ParseParameters(0, (char**)argv_testnet, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_EQUAL(test_args.GetChainName(), "test"); - test_args.ParseParameters(2, (char**)argv_testnet, error); + BOOST_CHECK(test_args.ParseParameters(2, (char**)argv_testnet, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_EQUAL(test_args.GetChainName(), "test"); - test_args.ParseParameters(2, (char**)argv_regtest, error); + BOOST_CHECK(test_args.ParseParameters(2, (char**)argv_regtest, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_THROW(test_args.GetChainName(), std::runtime_error); - test_args.ParseParameters(3, (char**)argv_test_no_reg, error); + BOOST_CHECK(test_args.ParseParameters(3, (char**)argv_test_no_reg, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_EQUAL(test_args.GetChainName(), "test"); - test_args.ParseParameters(3, (char**)argv_both, error); + BOOST_CHECK(test_args.ParseParameters(3, (char**)argv_both, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_THROW(test_args.GetChainName(), std::runtime_error); @@ -596,23 +596,23 @@ BOOST_AUTO_TEST_CASE(util_GetChainName) // [test] regtest=1 potentially relevant) doesn't break things test_args.SelectConfigNetwork("test"); - test_args.ParseParameters(0, (char**)argv_testnet, error); + BOOST_CHECK(test_args.ParseParameters(0, (char**)argv_testnet, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_EQUAL(test_args.GetChainName(), "test"); - test_args.ParseParameters(2, (char**)argv_testnet, error); + BOOST_CHECK(test_args.ParseParameters(2, (char**)argv_testnet, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_EQUAL(test_args.GetChainName(), "test"); - test_args.ParseParameters(2, (char**)argv_regtest, error); + BOOST_CHECK(test_args.ParseParameters(2, (char**)argv_regtest, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_THROW(test_args.GetChainName(), std::runtime_error); - test_args.ParseParameters(2, (char**)argv_test_no_reg, error); + BOOST_CHECK(test_args.ParseParameters(2, (char**)argv_test_no_reg, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_EQUAL(test_args.GetChainName(), "test"); - test_args.ParseParameters(3, (char**)argv_both, error); + BOOST_CHECK(test_args.ParseParameters(3, (char**)argv_both, error)); test_args.ReadConfigString(testnetconf); BOOST_CHECK_THROW(test_args.GetChainName(), std::runtime_error); } From 579497e77a3a71b2d8e44a6a3e00a8a46366d5c0 Mon Sep 17 00:00:00 2001 From: practicalswift Date: Thu, 2 Aug 2018 16:53:10 +0200 Subject: [PATCH 3/4] tests: Explicitly ignore the return value of DecodeBase58(...) --- src/bench/base58.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/bench/base58.cpp b/src/bench/base58.cpp index a555376e4..e7702ec46 100644 --- a/src/bench/base58.cpp +++ b/src/bench/base58.cpp @@ -49,7 +49,7 @@ static void Base58Decode(benchmark::State& state) const char* addr = "17VZNX1SN5NtKa8UQFxwQbFeFc3iqRYhem"; std::vector vch; while (state.KeepRunning()) { - DecodeBase58(addr, vch); + (void) DecodeBase58(addr, vch); } } From 9cc0230cfc1ae9b9c1c905cd9ac613bc98bfa43a Mon Sep 17 00:00:00 2001 From: practicalswift Date: Tue, 25 Sep 2018 07:00:36 +0200 Subject: [PATCH 4/4] Add NODISCARD to all {Decode,Parse}[...](...) functions returning bool. Sort includes. --- src/Makefile.am | 1 + src/attributes.h | 22 ++++++++++++++++++++++ src/base58.h | 10 ++++++---- src/core_io.h | 7 ++++--- src/outputtype.h | 3 ++- src/rest.cpp | 5 +++-- src/script/descriptor.cpp | 2 +- src/util/moneystr.h | 11 ++++++----- src/util/strencodings.cpp | 2 +- src/util/strencodings.h | 18 ++++++++++-------- src/util/system.h | 3 ++- 11 files changed, 58 insertions(+), 26 deletions(-) create mode 100644 src/attributes.h diff --git a/src/Makefile.am b/src/Makefile.am index 703304ceb..be2d56917 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -95,6 +95,7 @@ endif BITCOIN_CORE_H = \ addrdb.h \ addrman.h \ + attributes.h \ base58.h \ bech32.h \ bloom.h \ diff --git a/src/attributes.h b/src/attributes.h new file mode 100644 index 000000000..45099bd8b --- /dev/null +++ b/src/attributes.h @@ -0,0 +1,22 @@ +// Copyright (c) 2009-2010 Satoshi Nakamoto +// Copyright (c) 2009-2018 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_ATTRIBUTES_H +#define BITCOIN_ATTRIBUTES_H + +#if defined(__has_cpp_attribute) +# if __has_cpp_attribute(nodiscard) +# define NODISCARD [[nodiscard]] +# endif +#endif +#ifndef NODISCARD +# if defined(_MSC_VER) && _MSC_VER >= 1700 +# define NODISCARD _Check_return_ +# else +# define NODISCARD __attribute__((warn_unused_result)) +# endif +#endif + +#endif // BITCOIN_ATTRIBUTES_H diff --git a/src/base58.h b/src/base58.h index 9d3f90652..d6e0299a1 100644 --- a/src/base58.h +++ b/src/base58.h @@ -14,6 +14,8 @@ #ifndef BITCOIN_BASE58_H #define BITCOIN_BASE58_H +#include + #include #include @@ -33,13 +35,13 @@ std::string EncodeBase58(const std::vector& vch); * return true if decoding is successful. * psz cannot be nullptr. */ -bool DecodeBase58(const char* psz, std::vector& vchRet); +NODISCARD bool DecodeBase58(const char* psz, std::vector& vchRet); /** * Decode a base58-encoded string (str) into a byte vector (vchRet). * return true if decoding is successful. */ -bool DecodeBase58(const std::string& str, std::vector& vchRet); +NODISCARD bool DecodeBase58(const std::string& str, std::vector& vchRet); /** * Encode a byte vector into a base58-encoded string, including checksum @@ -50,12 +52,12 @@ std::string EncodeBase58Check(const std::vector& vchIn); * Decode a base58-encoded string (psz) that includes a checksum into a byte * vector (vchRet), return true if decoding is successful */ -bool DecodeBase58Check(const char* psz, std::vector& vchRet); +NODISCARD bool DecodeBase58Check(const char* psz, std::vector& vchRet); /** * Decode a base58-encoded string (str) that includes a checksum into a byte * vector (vchRet), return true if decoding is successful */ -bool DecodeBase58Check(const std::string& str, std::vector& vchRet); +NODISCARD bool DecodeBase58Check(const std::string& str, std::vector& vchRet); #endif // BITCOIN_BASE58_H diff --git a/src/core_io.h b/src/core_io.h index 2c3b64d81..6f87161f4 100644 --- a/src/core_io.h +++ b/src/core_io.h @@ -6,6 +6,7 @@ #define BITCOIN_CORE_IO_H #include +#include #include #include @@ -22,8 +23,8 @@ class UniValue; // core_read.cpp CScript ParseScript(const std::string& s); std::string ScriptToAsmStr(const CScript& script, const bool fAttemptSighashDecode = false); -bool DecodeHexTx(CMutableTransaction& tx, const std::string& hex_tx, bool try_no_witness = false, bool try_witness = true); -bool DecodeHexBlk(CBlock&, const std::string& strHexBlk); +NODISCARD bool DecodeHexTx(CMutableTransaction& tx, const std::string& hex_tx, bool try_no_witness = false, bool try_witness = true); +NODISCARD bool DecodeHexBlk(CBlock&, const std::string& strHexBlk); bool DecodeHexBlockHeader(CBlockHeader&, const std::string& hex_header); /** @@ -36,7 +37,7 @@ bool DecodeHexBlockHeader(CBlockHeader&, const std::string& hex_header); */ bool ParseHashStr(const std::string& strHex, uint256& result); std::vector ParseHexUV(const UniValue& v, const std::string& strName); -bool DecodePSBT(PartiallySignedTransaction& psbt, const std::string& base64_tx, std::string& error); +NODISCARD bool DecodePSBT(PartiallySignedTransaction& psbt, const std::string& base64_tx, std::string& error); int ParseSighashString(const UniValue& sighash); // core_write.cpp diff --git a/src/outputtype.h b/src/outputtype.h index 4c4d93bc8..6c30fd195 100644 --- a/src/outputtype.h +++ b/src/outputtype.h @@ -6,6 +6,7 @@ #ifndef BITCOIN_OUTPUTTYPE_H #define BITCOIN_OUTPUTTYPE_H +#include #include #include