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-rw-r--r--doc/developer-notes.md16
-rw-r--r--doc/translation_process.md2
-rw-r--r--src/bitcoin-cli.cpp13
-rw-r--r--src/bitcoin-tx.cpp9
-rw-r--r--src/bitcoind.cpp6
-rw-r--r--src/miner.cpp7
-rw-r--r--src/qt/utilitydialog.cpp5
-rw-r--r--src/validation.cpp19
-rw-r--r--src/wallet/db.cpp2
-rw-r--r--src/wallet/wallet.cpp4
-rwxr-xr-xtest/functional/feature_cltv.py13
-rwxr-xr-xtest/functional/feature_dersig.py14
-rwxr-xr-xtest/functional/feature_segwit.py18
-rwxr-xr-xtest/functional/wallet_multiwallet.py36
-rwxr-xr-xtest/lint/lint-format-strings.py254
-rwxr-xr-xtest/lint/lint-format-strings.sh41
16 files changed, 388 insertions, 71 deletions
diff --git a/doc/developer-notes.md b/doc/developer-notes.md
index 70070fa24b..da8384c537 100644
--- a/doc/developer-notes.md
+++ b/doc/developer-notes.md
@@ -5,8 +5,10 @@ Developer Notes
**Table of Contents**
- [Developer Notes](#developer-notes)
- - [Coding Style](#coding-style)
+ - [Coding Style (General)](#coding-style-general)
+ - [Coding Style (C++)](#coding-style-c)
- [Doxygen comments](#doxygen-comments)
+ - [Coding Style (Python)](#coding-style-python)
- [Development tips and tricks](#development-tips-and-tricks)
- [Compiling for debugging](#compiling-for-debugging)
- [Compiling for gprof profiling](#compiling-for-gprof-profiling)
@@ -35,8 +37,8 @@ Developer Notes
<!-- markdown-toc end -->
-Coding Style
----------------
+Coding Style (General)
+----------------------
Various coding styles have been used during the history of the codebase,
and the result is not very consistent. However, we're now trying to converge to
@@ -46,6 +48,9 @@ commits.
Do not submit patches solely to modify the style of existing code.
+Coding Style (C++)
+------------------
+
- **Indentation and whitespace rules** as specified in
[src/.clang-format](/src/.clang-format). You can use the provided
[clang-format-diff script](/contrib/devtools/README.md#clang-format-diffpy)
@@ -174,6 +179,11 @@ but if possible use one of the above styles.
Documentation can be generated with `make docs` and cleaned up with `make clean-docs`.
+Coding Style (Python)
+---------------------
+
+Refer to [/test/functional/README.md#style-guidelines](/test/functional/README.md#style-guidelines).
+
Development tips and tricks
---------------------------
diff --git a/doc/translation_process.md b/doc/translation_process.md
index 022d7bb00b..19f145e9bf 100644
--- a/doc/translation_process.md
+++ b/doc/translation_process.md
@@ -62,7 +62,7 @@ token =
username = USERNAME
```
-The Transifex Bitcoin project config file is included as part of the repo. It can be found at `.tx/config`, however you shouldn’t need change anything.
+The Transifex Bitcoin project config file is included as part of the repo. It can be found at `.tx/config`, however you shouldn’t need to change anything.
### Synchronising translations
To assist in updating translations, we have created a script to help.
diff --git a/src/bitcoin-cli.cpp b/src/bitcoin-cli.cpp
index a77e3d49b8..24a6dc23b2 100644
--- a/src/bitcoin-cli.cpp
+++ b/src/bitcoin-cli.cpp
@@ -104,14 +104,13 @@ static int AppInitRPC(int argc, char* argv[])
return EXIT_FAILURE;
}
if (argc < 2 || HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
- std::string strUsage = strprintf("%s RPC client version", PACKAGE_NAME) + " " + FormatFullVersion() + "\n";
+ std::string strUsage = PACKAGE_NAME " RPC client version " + FormatFullVersion() + "\n";
if (!gArgs.IsArgSet("-version")) {
- strUsage += "\nUsage:\n"
- " bitcoin-cli [options] <command> [params] " + strprintf("Send command to %s", PACKAGE_NAME) + "\n" +
- " bitcoin-cli [options] -named <command> [name=value] ... " + strprintf("Send command to %s (with named arguments)", PACKAGE_NAME) + "\n" +
- " bitcoin-cli [options] help List commands\n" +
- " bitcoin-cli [options] help <command> Get help for a command\n";
-
+ strUsage += "\n"
+ "Usage: bitcoin-cli [options] <command> [params] Send command to " PACKAGE_NAME "\n"
+ "or: bitcoin-cli [options] -named <command> [name=value]... Send command to " PACKAGE_NAME " (with named arguments)\n"
+ "or: bitcoin-cli [options] help List commands\n"
+ "or: bitcoin-cli [options] help <command> Get help for a command\n";
strUsage += "\n" + gArgs.GetHelpMessage();
}
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index 181e2bb1bc..5fef4724c9 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -98,11 +98,10 @@ static int AppInitRawTx(int argc, char* argv[])
if (argc < 2 || HelpRequested(gArgs)) {
// First part of help message is specific to this utility
- std::string strUsage = strprintf("%s bitcoin-tx utility version", PACKAGE_NAME) + " " + FormatFullVersion() + "\n\n" +
- "Usage:\n"
- " bitcoin-tx [options] <hex-tx> [commands] Update hex-encoded bitcoin transaction\n" +
- " bitcoin-tx [options] -create [commands] Create hex-encoded bitcoin transaction\n" +
- "\n";
+ std::string strUsage = PACKAGE_NAME " bitcoin-tx utility version " + FormatFullVersion() + "\n\n" +
+ "Usage: bitcoin-tx [options] <hex-tx> [commands] Update hex-encoded bitcoin transaction\n" +
+ "or: bitcoin-tx [options] -create [commands] Create hex-encoded bitcoin transaction\n" +
+ "\n";
strUsage += gArgs.GetHelpMessage();
fprintf(stdout, "%s", strUsage.c_str());
diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp
index 4d010c0d14..06f8622426 100644
--- a/src/bitcoind.cpp
+++ b/src/bitcoind.cpp
@@ -71,7 +71,7 @@ static bool AppInit(int argc, char* argv[])
// Process help and version before taking care about datadir
if (HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
- std::string strUsage = strprintf("%s Daemon", PACKAGE_NAME) + " version " + FormatFullVersion() + "\n";
+ std::string strUsage = PACKAGE_NAME " Daemon version " + FormatFullVersion() + "\n";
if (gArgs.IsArgSet("-version"))
{
@@ -79,9 +79,7 @@ static bool AppInit(int argc, char* argv[])
}
else
{
- strUsage += "\nUsage:\n"
- " bitcoind [options] " + strprintf("Start %s Daemon", PACKAGE_NAME) + "\n";
-
+ strUsage += "\nUsage: bitcoind [options] Start " PACKAGE_NAME " Daemon\n";
strUsage += "\n" + gArgs.GetHelpMessage();
}
diff --git a/src/miner.cpp b/src/miner.cpp
index c32dc26f86..6cd78b5c18 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -133,8 +133,11 @@ std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& sc
// Decide whether to include witness transactions
// This is only needed in case the witness softfork activation is reverted
- // (which would require a very deep reorganization) or when
- // -promiscuousmempoolflags is used.
+ // (which would require a very deep reorganization).
+ // Note that the mempool would accept transactions with witness data before
+ // IsWitnessEnabled, but we would only ever mine blocks after IsWitnessEnabled
+ // unless there is a massive block reorganization with the witness softfork
+ // not activated.
// TODO: replace this with a call to main to assess validity of a mempool
// transaction (which in most cases can be a no-op).
fIncludeWitness = IsWitnessEnabled(pindexPrev, chainparams.GetConsensus()) && fMineWitnessTx;
diff --git a/src/qt/utilitydialog.cpp b/src/qt/utilitydialog.cpp
index 1da25b0761..c9469593a5 100644
--- a/src/qt/utilitydialog.cpp
+++ b/src/qt/utilitydialog.cpp
@@ -70,8 +70,7 @@ HelpMessageDialog::HelpMessageDialog(interfaces::Node& node, QWidget *parent, bo
ui->helpMessage->setVisible(false);
} else {
setWindowTitle(tr("Command-line options"));
- QString header = "Usage:\n"
- " bitcoin-qt [command-line options] \n";
+ QString header = "Usage: bitcoin-qt [command-line options] \n";
QTextCursor cursor(ui->helpMessage->document());
cursor.insertText(version);
cursor.insertBlock();
@@ -80,7 +79,7 @@ HelpMessageDialog::HelpMessageDialog(interfaces::Node& node, QWidget *parent, bo
std::string strUsage = gArgs.GetHelpMessage();
QString coreOptions = QString::fromStdString(strUsage);
- text = version + "\n" + header + "\n" + coreOptions;
+ text = version + "\n\n" + header + "\n" + coreOptions;
QTextTableFormat tf;
tf.setBorderStyle(QTextFrameFormat::BorderStyle_None);
diff --git a/src/validation.cpp b/src/validation.cpp
index 702a8d7e05..fceb135854 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -894,10 +894,7 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
}
}
- unsigned int scriptVerifyFlags = STANDARD_SCRIPT_VERIFY_FLAGS;
- if (!chainparams.RequireStandard()) {
- scriptVerifyFlags = gArgs.GetArg("-promiscuousmempoolflags", scriptVerifyFlags);
- }
+ constexpr unsigned int scriptVerifyFlags = STANDARD_SCRIPT_VERIFY_FLAGS;
// Check against previous transactions
// This is done last to help prevent CPU exhaustion denial-of-service attacks.
@@ -932,20 +929,8 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
// transactions into the mempool can be exploited as a DoS attack.
unsigned int currentBlockScriptVerifyFlags = GetBlockScriptFlags(chainActive.Tip(), Params().GetConsensus());
if (!CheckInputsFromMempoolAndCache(tx, state, view, pool, currentBlockScriptVerifyFlags, true, txdata)) {
- // If we're using promiscuousmempoolflags, we may hit this normally
- // Check if current block has some flags that scriptVerifyFlags
- // does not before printing an ominous warning
- if (!(~scriptVerifyFlags & currentBlockScriptVerifyFlags)) {
- return error("%s: BUG! PLEASE REPORT THIS! ConnectInputs failed against latest-block but not STANDARD flags %s, %s",
+ return error("%s: BUG! PLEASE REPORT THIS! CheckInputs failed against latest-block but not STANDARD flags %s, %s",
__func__, hash.ToString(), FormatStateMessage(state));
- } else {
- if (!CheckInputs(tx, state, view, true, MANDATORY_SCRIPT_VERIFY_FLAGS, true, false, txdata)) {
- return error("%s: ConnectInputs failed against MANDATORY but not STANDARD flags due to promiscuous mempool %s, %s",
- __func__, hash.ToString(), FormatStateMessage(state));
- } else {
- LogPrintf("Warning: -promiscuousmempool flags set to not include currently enforced soft forks, this may break mining or otherwise cause instability!\n");
- }
- }
}
if (test_accept) {
diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
index 01b8eacccb..00964b8cc8 100644
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -768,7 +768,7 @@ bool BerkeleyDatabase::Backup(const std::string& strDest)
env->mapFileUseCount.erase(strFile);
// Copy wallet file
- fs::path pathSrc = GetWalletDir() / strFile;
+ fs::path pathSrc = env->Directory() / strFile;
fs::path pathDest(strDest);
if (fs::is_directory(pathDest))
pathDest /= strFile;
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index bfa903ac13..2c15ff7d90 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -4378,7 +4378,9 @@ int CMerkleTx::GetBlocksToMaturity() const
{
if (!IsCoinBase())
return 0;
- return std::max(0, (COINBASE_MATURITY+1) - GetDepthInMainChain());
+ int chain_depth = GetDepthInMainChain();
+ assert(chain_depth >= 0); // coinbase tx should not be conflicted
+ return std::max(0, (COINBASE_MATURITY+1) - chain_depth);
}
diff --git a/test/functional/feature_cltv.py b/test/functional/feature_cltv.py
index b484bffe0d..10f8b92a8f 100755
--- a/test/functional/feature_cltv.py
+++ b/test/functional/feature_cltv.py
@@ -62,7 +62,7 @@ def create_transaction(node, coinbase, to_address, amount):
class BIP65Test(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
- self.extra_args = [['-promiscuousmempoolflags=1', '-whitelist=127.0.0.1']]
+ self.extra_args = [['-whitelist=127.0.0.1']]
self.setup_clean_chain = True
def run_test(self):
@@ -116,12 +116,13 @@ class BIP65Test(BitcoinTestFramework):
spendtx.rehash()
# First we show that this tx is valid except for CLTV by getting it
- # accepted to the mempool (which we can achieve with
- # -promiscuousmempoolflags).
- self.nodes[0].p2p.send_and_ping(msg_tx(spendtx))
- assert spendtx.hash in self.nodes[0].getrawmempool()
+ # rejected from the mempool for exactly that reason.
+ assert_equal(
+ [{'txid': spendtx.hash, 'allowed': False, 'reject-reason': '64: non-mandatory-script-verify-flag (Negative locktime)'}],
+ self.nodes[0].testmempoolaccept(rawtxs=[bytes_to_hex_str(spendtx.serialize())], allowhighfees=True)
+ )
- # Now we verify that a block with this transaction is invalid.
+ # Now we verify that a block with this transaction is also invalid.
block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
diff --git a/test/functional/feature_dersig.py b/test/functional/feature_dersig.py
index 13224466d3..4337d42dc0 100755
--- a/test/functional/feature_dersig.py
+++ b/test/functional/feature_dersig.py
@@ -47,10 +47,11 @@ def create_transaction(node, coinbase, to_address, amount):
tx.deserialize(BytesIO(hex_str_to_bytes(signresult['hex'])))
return tx
+
class BIP66Test(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
- self.extra_args = [['-promiscuousmempoolflags=1', '-whitelist=127.0.0.1']]
+ self.extra_args = [['-whitelist=127.0.0.1']]
self.setup_clean_chain = True
def run_test(self):
@@ -108,12 +109,13 @@ class BIP66Test(BitcoinTestFramework):
spendtx.rehash()
# First we show that this tx is valid except for DERSIG by getting it
- # accepted to the mempool (which we can achieve with
- # -promiscuousmempoolflags).
- self.nodes[0].p2p.send_and_ping(msg_tx(spendtx))
- assert spendtx.hash in self.nodes[0].getrawmempool()
+ # rejected from the mempool for exactly that reason.
+ assert_equal(
+ [{'txid': spendtx.hash, 'allowed': False, 'reject-reason': '64: non-mandatory-script-verify-flag (Non-canonical DER signature)'}],
+ self.nodes[0].testmempoolaccept(rawtxs=[bytes_to_hex_str(spendtx.serialize())], allowhighfees=True)
+ )
- # Now we verify that a block with this transaction is invalid.
+ # Now we verify that a block with this transaction is also invalid.
block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()
diff --git a/test/functional/feature_segwit.py b/test/functional/feature_segwit.py
index b10306b283..99ad2d5222 100755
--- a/test/functional/feature_segwit.py
+++ b/test/functional/feature_segwit.py
@@ -43,8 +43,8 @@ class SegWitTest(BitcoinTestFramework):
self.num_nodes = 3
# This test tests SegWit both pre and post-activation, so use the normal BIP9 activation.
self.extra_args = [["-rpcserialversion=0", "-vbparams=segwit:0:999999999999", "-addresstype=legacy", "-deprecatedrpc=addwitnessaddress"],
- ["-blockversion=4", "-promiscuousmempoolflags=517", "-rpcserialversion=1", "-vbparams=segwit:0:999999999999", "-addresstype=legacy", "-deprecatedrpc=addwitnessaddress"],
- ["-blockversion=536870915", "-promiscuousmempoolflags=517", "-vbparams=segwit:0:999999999999", "-addresstype=legacy", "-deprecatedrpc=addwitnessaddress"]]
+ ["-blockversion=4", "-rpcserialversion=1", "-vbparams=segwit:0:999999999999", "-addresstype=legacy", "-deprecatedrpc=addwitnessaddress"],
+ ["-blockversion=536870915", "-vbparams=segwit:0:999999999999", "-addresstype=legacy", "-deprecatedrpc=addwitnessaddress"]]
def setup_network(self):
super().setup_network()
@@ -64,12 +64,8 @@ class SegWitTest(BitcoinTestFramework):
sync_blocks(self.nodes)
def fail_accept(self, node, error_msg, txid, sign, redeem_script=""):
- assert_raises_rpc_error(-26, error_msg, send_to_witness, 1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
+ assert_raises_rpc_error(-26, error_msg, send_to_witness, use_p2wsh=1, node=node, utxo=getutxo(txid), pubkey=self.pubkey[0], encode_p2sh=False, amount=Decimal("49.998"), sign=sign, insert_redeem_script=redeem_script)
- def fail_mine(self, node, txid, sign, redeem_script=""):
- send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
- assert_raises_rpc_error(-1, "CreateNewBlock: TestBlockValidity failed", node.generate, 1)
- sync_blocks(self.nodes)
def run_test(self):
self.nodes[0].generate(161) #block 161
@@ -171,10 +167,10 @@ class SegWitTest(BitcoinTestFramework):
assert(self.nodes[0].getrawtransaction(segwit_tx_list[i]) == bytes_to_hex_str(tx.serialize_without_witness()))
self.log.info("Verify witness txs without witness data are invalid after the fork")
- self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][2], False)
- self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][2], False)
- self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][2], False, witness_script(False, self.pubkey[2]))
- self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][2], False, witness_script(True, self.pubkey[2]))
+ self.fail_accept(self.nodes[2], 'non-mandatory-script-verify-flag (Witness program hash mismatch) (code 64)', wit_ids[NODE_2][WIT_V0][2], sign=False)
+ self.fail_accept(self.nodes[2], 'non-mandatory-script-verify-flag (Witness program was passed an empty witness) (code 64)', wit_ids[NODE_2][WIT_V1][2], sign=False)
+ self.fail_accept(self.nodes[2], 'non-mandatory-script-verify-flag (Witness program hash mismatch) (code 64)', p2sh_ids[NODE_2][WIT_V0][2], sign=False, redeem_script=witness_script(False, self.pubkey[2]))
+ self.fail_accept(self.nodes[2], 'non-mandatory-script-verify-flag (Witness program was passed an empty witness) (code 64)', p2sh_ids[NODE_2][WIT_V1][2], sign=False, redeem_script=witness_script(True, self.pubkey[2]))
self.log.info("Verify default node can now use witness txs")
self.success_mine(self.nodes[0], wit_ids[NODE_0][WIT_V0][0], True) #block 432
diff --git a/test/functional/wallet_multiwallet.py b/test/functional/wallet_multiwallet.py
index fa5a2154a4..e2938dba3b 100755
--- a/test/functional/wallet_multiwallet.py
+++ b/test/functional/wallet_multiwallet.py
@@ -30,6 +30,11 @@ class MultiWalletTest(BitcoinTestFramework):
wallet_dir = lambda *p: data_dir('wallets', *p)
wallet = lambda name: node.get_wallet_rpc(name)
+ def wallet_file(name):
+ if os.path.isdir(wallet_dir(name)):
+ return wallet_dir(name, "wallet.dat")
+ return wallet_dir(name)
+
# check wallet.dat is created
self.stop_nodes()
assert_equal(os.path.isfile(wallet_dir('wallet.dat')), True)
@@ -43,6 +48,12 @@ class MultiWalletTest(BitcoinTestFramework):
# directory paths) can be loaded
os.rename(wallet_dir("wallet.dat"), wallet_dir("w8"))
+ # create another dummy wallet for use in testing backups later
+ self.start_node(0, [])
+ self.stop_nodes()
+ empty_wallet = os.path.join(self.options.tmpdir, 'empty.dat')
+ os.rename(wallet_dir("wallet.dat"), empty_wallet)
+
# restart node with a mix of wallet names:
# w1, w2, w3 - to verify new wallets created when non-existing paths specified
# w - to verify wallet name matching works when one wallet path is prefix of another
@@ -59,10 +70,7 @@ class MultiWalletTest(BitcoinTestFramework):
# check that all requested wallets were created
self.stop_node(0)
for wallet_name in wallet_names:
- if os.path.isdir(wallet_dir(wallet_name)):
- assert_equal(os.path.isfile(wallet_dir(wallet_name, "wallet.dat")), True)
- else:
- assert_equal(os.path.isfile(wallet_dir(wallet_name)), True)
+ assert_equal(os.path.isfile(wallet_file(wallet_name)), True)
# should not initialize if wallet path can't be created
exp_stderr = "boost::filesystem::create_directory: (The system cannot find the path specified|Not a directory):"
@@ -265,5 +273,25 @@ class MultiWalletTest(BitcoinTestFramework):
assert_equal(self.nodes[0].listwallets(), ['w1'])
assert_equal(w1.getwalletinfo()['walletname'], 'w1')
+ # Test backing up and restoring wallets
+ self.log.info("Test wallet backup")
+ self.restart_node(0, ['-nowallet'])
+ for wallet_name in wallet_names:
+ self.nodes[0].loadwallet(wallet_name)
+ for wallet_name in wallet_names:
+ rpc = self.nodes[0].get_wallet_rpc(wallet_name)
+ addr = rpc.getnewaddress()
+ backup = os.path.join(self.options.tmpdir, 'backup.dat')
+ rpc.backupwallet(backup)
+ self.nodes[0].unloadwallet(wallet_name)
+ shutil.copyfile(empty_wallet, wallet_file(wallet_name))
+ self.nodes[0].loadwallet(wallet_name)
+ assert_equal(rpc.getaddressinfo(addr)['ismine'], False)
+ self.nodes[0].unloadwallet(wallet_name)
+ shutil.copyfile(backup, wallet_file(wallet_name))
+ self.nodes[0].loadwallet(wallet_name)
+ assert_equal(rpc.getaddressinfo(addr)['ismine'], True)
+
+
if __name__ == '__main__':
MultiWalletTest().main()
diff --git a/test/lint/lint-format-strings.py b/test/lint/lint-format-strings.py
new file mode 100755
index 0000000000..c07dfe317b
--- /dev/null
+++ b/test/lint/lint-format-strings.py
@@ -0,0 +1,254 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 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.
+#
+# Lint format strings: This program checks that the number of arguments passed
+# to a variadic format string function matches the number of format specifiers
+# in the format string.
+
+import argparse
+import re
+import sys
+
+FALSE_POSITIVES = [
+ ("src/dbwrapper.cpp", "vsnprintf(p, limit - p, format, backup_ap)"),
+ ("src/index/base.cpp", "FatalError(const char* fmt, const Args&... args)"),
+ ("src/netbase.cpp", "LogConnectFailure(bool manual_connection, const char* fmt, const Args&... args)"),
+ ("src/util.cpp", "strprintf(_(COPYRIGHT_HOLDERS), _(COPYRIGHT_HOLDERS_SUBSTITUTION))"),
+ ("src/util.cpp", "strprintf(COPYRIGHT_HOLDERS, COPYRIGHT_HOLDERS_SUBSTITUTION)"),
+ ("src/wallet/wallet.h", "WalletLogPrintf(std::string fmt, Params... parameters)"),
+ ("src/wallet/wallet.h", "LogPrintf((\"%s \" + fmt).c_str(), GetDisplayName(), parameters...)"),
+]
+
+
+def parse_function_calls(function_name, source_code):
+ """Return an array with all calls to function function_name in string source_code.
+ Preprocessor directives and C++ style comments ("//") in source_code are removed.
+
+ >>> len(parse_function_calls("foo", "foo();bar();foo();bar();"))
+ 2
+ >>> parse_function_calls("foo", "foo(1);bar(1);foo(2);bar(2);")[0].startswith("foo(1);")
+ True
+ >>> parse_function_calls("foo", "foo(1);bar(1);foo(2);bar(2);")[1].startswith("foo(2);")
+ True
+ >>> len(parse_function_calls("foo", "foo();bar();// foo();bar();"))
+ 1
+ >>> len(parse_function_calls("foo", "#define FOO foo();"))
+ 0
+ """
+ assert(type(function_name) is str and type(source_code) is str and function_name)
+ lines = [re.sub("// .*", " ", line).strip()
+ for line in source_code.split("\n")
+ if not line.strip().startswith("#")]
+ return re.findall(r"[^a-zA-Z_](?=({}\(.*).*)".format(function_name), " " + " ".join(lines))
+
+
+def normalize(s):
+ """Return a normalized version of string s with newlines, tabs and C style comments ("/* ... */")
+ replaced with spaces. Multiple spaces are replaced with a single space.
+
+ >>> normalize(" /* nothing */ foo\tfoo /* bar */ foo ")
+ 'foo foo foo'
+ """
+ assert(type(s) is str)
+ s = s.replace("\n", " ")
+ s = s.replace("\t", " ")
+ s = re.sub("/\*.*?\*/", " ", s)
+ s = re.sub(" {2,}", " ", s)
+ return s.strip()
+
+
+ESCAPE_MAP = {
+ r"\n": "[escaped-newline]",
+ r"\t": "[escaped-tab]",
+ r'\"': "[escaped-quote]",
+}
+
+
+def escape(s):
+ """Return the escaped version of string s with "\\\"", "\\n" and "\\t" escaped as
+ "[escaped-backslash]", "[escaped-newline]" and "[escaped-tab]".
+
+ >>> unescape(escape("foo")) == "foo"
+ True
+ >>> escape(r'foo \\t foo \\n foo \\\\ foo \\ foo \\"bar\\"')
+ 'foo [escaped-tab] foo [escaped-newline] foo \\\\\\\\ foo \\\\ foo [escaped-quote]bar[escaped-quote]'
+ """
+ assert(type(s) is str)
+ for raw_value, escaped_value in ESCAPE_MAP.items():
+ s = s.replace(raw_value, escaped_value)
+ return s
+
+
+def unescape(s):
+ """Return the unescaped version of escaped string s.
+ Reverses the replacements made in function escape(s).
+
+ >>> unescape(escape("bar"))
+ 'bar'
+ >>> unescape("foo [escaped-tab] foo [escaped-newline] foo \\\\\\\\ foo \\\\ foo [escaped-quote]bar[escaped-quote]")
+ 'foo \\\\t foo \\\\n foo \\\\\\\\ foo \\\\ foo \\\\"bar\\\\"'
+ """
+ assert(type(s) is str)
+ for raw_value, escaped_value in ESCAPE_MAP.items():
+ s = s.replace(escaped_value, raw_value)
+ return s
+
+
+def parse_function_call_and_arguments(function_name, function_call):
+ """Split string function_call into an array of strings consisting of:
+ * the string function_call followed by "("
+ * the function call argument #1
+ * ...
+ * the function call argument #n
+ * a trailing ");"
+
+ The strings returned are in escaped form. See escape(...).
+
+ >>> parse_function_call_and_arguments("foo", 'foo("%s", "foo");')
+ ['foo(', '"%s",', ' "foo"', ')']
+ >>> parse_function_call_and_arguments("foo", 'foo("%s", "foo");')
+ ['foo(', '"%s",', ' "foo"', ')']
+ >>> parse_function_call_and_arguments("foo", 'foo("%s %s", "foo", "bar");')
+ ['foo(', '"%s %s",', ' "foo",', ' "bar"', ')']
+ >>> parse_function_call_and_arguments("fooprintf", 'fooprintf("%050d", i);')
+ ['fooprintf(', '"%050d",', ' i', ')']
+ >>> parse_function_call_and_arguments("foo", 'foo(bar(foobar(barfoo("foo"))), foobar); barfoo')
+ ['foo(', 'bar(foobar(barfoo("foo"))),', ' foobar', ')']
+ >>> parse_function_call_and_arguments("foo", "foo()")
+ ['foo(', '', ')']
+ >>> parse_function_call_and_arguments("foo", "foo(123)")
+ ['foo(', '123', ')']
+ >>> parse_function_call_and_arguments("foo", 'foo("foo")')
+ ['foo(', '"foo"', ')']
+ """
+ assert(type(function_name) is str and type(function_call) is str and function_name)
+ remaining = normalize(escape(function_call))
+ expected_function_call = "{}(".format(function_name)
+ assert(remaining.startswith(expected_function_call))
+ parts = [expected_function_call]
+ remaining = remaining[len(expected_function_call):]
+ open_parentheses = 1
+ in_string = False
+ parts.append("")
+ for char in remaining:
+ parts.append(parts.pop() + char)
+ if char == "\"":
+ in_string = not in_string
+ continue
+ if in_string:
+ continue
+ if char == "(":
+ open_parentheses += 1
+ continue
+ if char == ")":
+ open_parentheses -= 1
+ if open_parentheses > 1:
+ continue
+ if open_parentheses == 0:
+ parts.append(parts.pop()[:-1])
+ parts.append(char)
+ break
+ if char == ",":
+ parts.append("")
+ return parts
+
+
+def parse_string_content(argument):
+ """Return the text within quotes in string argument.
+
+ >>> parse_string_content('1 "foo %d bar" 2')
+ 'foo %d bar'
+ >>> parse_string_content('1 foobar 2')
+ ''
+ >>> parse_string_content('1 "bar" 2')
+ 'bar'
+ >>> parse_string_content('1 "foo" 2 "bar" 3')
+ 'foobar'
+ >>> parse_string_content('1 "foo" 2 " " "bar" 3')
+ 'foo bar'
+ >>> parse_string_content('""')
+ ''
+ >>> parse_string_content('')
+ ''
+ >>> parse_string_content('1 2 3')
+ ''
+ """
+ assert(type(argument) is str)
+ string_content = ""
+ in_string = False
+ for char in normalize(escape(argument)):
+ if char == "\"":
+ in_string = not in_string
+ elif in_string:
+ string_content += char
+ return string_content
+
+
+def count_format_specifiers(format_string):
+ """Return the number of format specifiers in string format_string.
+
+ >>> count_format_specifiers("foo bar foo")
+ 0
+ >>> count_format_specifiers("foo %d bar foo")
+ 1
+ >>> count_format_specifiers("foo %d bar %i foo")
+ 2
+ >>> count_format_specifiers("foo %d bar %i foo %% foo")
+ 2
+ >>> count_format_specifiers("foo %d bar %i foo %% foo %d foo")
+ 3
+ >>> count_format_specifiers("foo %d bar %i foo %% foo %*d foo")
+ 4
+ """
+ assert(type(format_string) is str)
+ n = 0
+ in_specifier = False
+ for i, char in enumerate(format_string):
+ if format_string[i - 1:i + 1] == "%%" or format_string[i:i + 2] == "%%":
+ pass
+ elif char == "%":
+ in_specifier = True
+ n += 1
+ elif char in "aAcdeEfFgGinopsuxX":
+ in_specifier = False
+ elif in_specifier and char == "*":
+ n += 1
+ return n
+
+
+def main():
+ parser = argparse.ArgumentParser(description="This program checks that the number of arguments passed "
+ "to a variadic format string function matches the number of format "
+ "specifiers in the format string.")
+ parser.add_argument("--skip-arguments", type=int, help="number of arguments before the format string "
+ "argument (e.g. 1 in the case of fprintf)", default=0)
+ parser.add_argument("function_name", help="function name (e.g. fprintf)", default=None)
+ parser.add_argument("file", type=argparse.FileType("r", encoding="utf-8"), nargs="*", help="C++ source code file (e.g. foo.cpp)")
+ args = parser.parse_args()
+
+ exit_code = 0
+ for f in args.file:
+ for function_call_str in parse_function_calls(args.function_name, f.read()):
+ parts = parse_function_call_and_arguments(args.function_name, function_call_str)
+ relevant_function_call_str = unescape("".join(parts))[:512]
+ if (f.name, relevant_function_call_str) in FALSE_POSITIVES:
+ continue
+ if len(parts) < 3 + args.skip_arguments:
+ exit_code = 1
+ print("{}: Could not parse function call string \"{}(...)\": {}".format(f.name, args.function_name, relevant_function_call_str))
+ continue
+ argument_count = len(parts) - 3 - args.skip_arguments
+ format_str = parse_string_content(parts[1 + args.skip_arguments])
+ format_specifier_count = count_format_specifiers(format_str)
+ if format_specifier_count != argument_count:
+ exit_code = 1
+ print("{}: Expected {} argument(s) after format string but found {} argument(s): {}".format(f.name, format_specifier_count, argument_count, relevant_function_call_str))
+ continue
+ sys.exit(exit_code)
+
+
+if __name__ == "__main__":
+ main()
diff --git a/test/lint/lint-format-strings.sh b/test/lint/lint-format-strings.sh
new file mode 100755
index 0000000000..17f846d29b
--- /dev/null
+++ b/test/lint/lint-format-strings.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 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.
+#
+# Lint format strings: This program checks that the number of arguments passed
+# to a variadic format string function matches the number of format specifiers
+# in the format string.
+
+export LC_ALL=C
+
+FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS=(
+ FatalError,0
+ fprintf,1
+ LogConnectFailure,1
+ LogPrint,1
+ LogPrintf,0
+ printf,0
+ snprintf,2
+ sprintf,1
+ strprintf,0
+ vfprintf,1
+ vprintf,1
+ vsnprintf,1
+ vsprintf,1
+ WalletLogPrintf,0
+)
+
+EXIT_CODE=0
+if ! python3 -m doctest test/lint/lint-format-strings.py; then
+ EXIT_CODE=1
+fi
+for S in "${FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS[@]}"; do
+ IFS="," read -r FUNCTION_NAME SKIP_ARGUMENTS <<< "${S}"
+ mapfile -t MATCHING_FILES < <(git grep --full-name -l "${FUNCTION_NAME}" -- "*.c" "*.cpp" "*.h" | sort | grep -vE "^src/(leveldb|secp256k1|tinyformat|univalue)")
+ if ! test/lint/lint-format-strings.py --skip-arguments "${SKIP_ARGUMENTS}" "${FUNCTION_NAME}" "${MATCHING_FILES[@]}"; then
+ EXIT_CODE=1
+ fi
+done
+exit ${EXIT_CODE}
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-08 01:23:46 +0000