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-rw-r--r--src/bench/bench_bitcoin.cpp2
-rw-r--r--src/bitcoin-cli.cpp2
-rw-r--r--src/bitcoin-tx.cpp3
-rw-r--r--src/bitcoind.cpp3
-rw-r--r--src/keystore.cpp2
-rw-r--r--src/pubkey.h5
-rw-r--r--src/qt/bitcoin.cpp3
-rw-r--r--src/script/interpreter.cpp10
-rw-r--r--src/script/standard.cpp4
-rw-r--r--src/test/data/script_tests.json28
-rw-r--r--src/util.cpp5
-rw-r--r--src/util.h5
-rw-r--r--src/wallet/rpcdump.cpp1
13 files changed, 42 insertions, 31 deletions
diff --git a/src/bench/bench_bitcoin.cpp b/src/bench/bench_bitcoin.cpp
index fc92a46c0f..1d87883522 100644
--- a/src/bench/bench_bitcoin.cpp
+++ b/src/bench/bench_bitcoin.cpp
@@ -27,7 +27,7 @@ main(int argc, char** argv)
{
gArgs.ParseParameters(argc, argv);
- if (gArgs.IsArgSet("-?") || gArgs.IsArgSet("-h") || gArgs.IsArgSet("-help")) {
+ if (HelpRequested(gArgs)) {
std::cout << HelpMessageGroup(_("Options:"))
<< HelpMessageOpt("-?", _("Print this help message and exit"))
<< HelpMessageOpt("-list", _("List benchmarks without executing them. Can be combined with -scaling and -filter"))
diff --git a/src/bitcoin-cli.cpp b/src/bitcoin-cli.cpp
index 8bdc210997..263520ee4e 100644
--- a/src/bitcoin-cli.cpp
+++ b/src/bitcoin-cli.cpp
@@ -82,7 +82,7 @@ static int AppInitRPC(int argc, char* argv[])
// Parameters
//
gArgs.ParseParameters(argc, argv);
- if (argc<2 || gArgs.IsArgSet("-?") || gArgs.IsArgSet("-h") || gArgs.IsArgSet("-help") || gArgs.IsArgSet("-version")) {
+ if (argc < 2 || HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
std::string strUsage = strprintf(_("%s RPC client version"), _(PACKAGE_NAME)) + " " + FormatFullVersion() + "\n";
if (!gArgs.IsArgSet("-version")) {
strUsage += "\n" + _("Usage:") + "\n" +
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index 8218e883a6..76a6f94899 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -51,8 +51,7 @@ static int AppInitRawTx(int argc, char* argv[])
fCreateBlank = gArgs.GetBoolArg("-create", false);
- if (argc<2 || gArgs.IsArgSet("-?") || gArgs.IsArgSet("-h") || gArgs.IsArgSet("-help"))
- {
+ 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" +
diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp
index df7fad89c2..58518d611f 100644
--- a/src/bitcoind.cpp
+++ b/src/bitcoind.cpp
@@ -76,8 +76,7 @@ bool AppInit(int argc, char* argv[])
gArgs.ParseParameters(argc, argv);
// Process help and version before taking care about datadir
- if (gArgs.IsArgSet("-?") || gArgs.IsArgSet("-h") || gArgs.IsArgSet("-help") || gArgs.IsArgSet("-version"))
- {
+ if (HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
std::string strUsage = strprintf(_("%s Daemon"), _(PACKAGE_NAME)) + " " + _("version") + " " + FormatFullVersion() + "\n";
if (gArgs.IsArgSet("-version"))
diff --git a/src/keystore.cpp b/src/keystore.cpp
index dfdfa5ea9f..e69d518890 100644
--- a/src/keystore.cpp
+++ b/src/keystore.cpp
@@ -127,7 +127,7 @@ static bool ExtractPubKey(const CScript &dest, CPubKey& pubKeyOut)
CScript::const_iterator pc = dest.begin();
opcodetype opcode;
std::vector<unsigned char> vch;
- if (!dest.GetOp(pc, opcode, vch) || vch.size() < 33 || vch.size() > 65)
+ if (!dest.GetOp(pc, opcode, vch) || !CPubKey::ValidSize(vch))
return false;
pubKeyOut = CPubKey(vch);
if (!pubKeyOut.IsFullyValid())
diff --git a/src/pubkey.h b/src/pubkey.h
index 59bf56395c..9c6c6b085e 100644
--- a/src/pubkey.h
+++ b/src/pubkey.h
@@ -70,6 +70,11 @@ private:
}
public:
+
+ bool static ValidSize(const std::vector<unsigned char> &vch) {
+ return vch.size() > 0 && GetLen(vch[0]) == vch.size();
+ }
+
//! Construct an invalid public key.
CPubKey()
{
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index f853c04617..140e56123f 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -613,8 +613,7 @@ int main(int argc, char *argv[])
// Show help message immediately after parsing command-line options (for "-lang") and setting locale,
// but before showing splash screen.
- if (gArgs.IsArgSet("-?") || gArgs.IsArgSet("-h") || gArgs.IsArgSet("-help") || gArgs.IsArgSet("-version"))
- {
+ if (HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
HelpMessageDialog help(nullptr, gArgs.IsArgSet("-version"));
help.showOrPrint();
return EXIT_SUCCESS;
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 07b2292d46..182f4a3327 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -61,17 +61,17 @@ static inline void popstack(std::vector<valtype>& stack)
}
bool static IsCompressedOrUncompressedPubKey(const valtype &vchPubKey) {
- if (vchPubKey.size() < 33) {
+ if (vchPubKey.size() < CPubKey::COMPRESSED_PUBLIC_KEY_SIZE) {
// Non-canonical public key: too short
return false;
}
if (vchPubKey[0] == 0x04) {
- if (vchPubKey.size() != 65) {
+ if (vchPubKey.size() != CPubKey::PUBLIC_KEY_SIZE) {
// Non-canonical public key: invalid length for uncompressed key
return false;
}
} else if (vchPubKey[0] == 0x02 || vchPubKey[0] == 0x03) {
- if (vchPubKey.size() != 33) {
+ if (vchPubKey.size() != CPubKey::COMPRESSED_PUBLIC_KEY_SIZE) {
// Non-canonical public key: invalid length for compressed key
return false;
}
@@ -83,7 +83,7 @@ bool static IsCompressedOrUncompressedPubKey(const valtype &vchPubKey) {
}
bool static IsCompressedPubKey(const valtype &vchPubKey) {
- if (vchPubKey.size() != 33) {
+ if (vchPubKey.size() != CPubKey::COMPRESSED_PUBLIC_KEY_SIZE) {
// Non-canonical public key: invalid length for compressed key
return false;
}
@@ -1402,7 +1402,7 @@ static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion,
// Scripts inside witness implicitly require cleanstack behaviour
if (stack.size() != 1)
- return set_error(serror, SCRIPT_ERR_EVAL_FALSE);
+ return set_error(serror, SCRIPT_ERR_CLEANSTACK);
if (!CastToBool(stack.back()))
return set_error(serror, SCRIPT_ERR_EVAL_FALSE);
return true;
diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index cfb3c58588..0b9053d7fc 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -132,7 +132,7 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::v
// Template matching opcodes:
if (opcode2 == OP_PUBKEYS)
{
- while (vch1.size() >= 33 && vch1.size() <= 65)
+ while (CPubKey::ValidSize(vch1))
{
vSolutionsRet.push_back(vch1);
if (!script1.GetOp(pc1, opcode1, vch1))
@@ -146,7 +146,7 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::v
if (opcode2 == OP_PUBKEY)
{
- if (vch1.size() < 33 || vch1.size() > 65)
+ if (!CPubKey::ValidSize(vch1))
break;
vSolutionsRet.push_back(vch1);
}
diff --git a/src/test/data/script_tests.json b/src/test/data/script_tests.json
index ccefe52246..97edc98bf6 100644
--- a/src/test/data/script_tests.json
+++ b/src/test/data/script_tests.json
@@ -2553,22 +2553,22 @@
[["01", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS", "OK"],
[["02", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS", "OK"],
[["0100", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS", "OK"],
-[["", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS", "EVAL_FALSE"],
-[["00", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS", "EVAL_FALSE"],
+[["", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS", "CLEANSTACK"],
+[["00", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS", "CLEANSTACK"],
[["01", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS,MINIMALIF", "OK"],
[["02", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
[["0100", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
-[["", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS,MINIMALIF", "EVAL_FALSE"],
+[["", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS,MINIMALIF", "CLEANSTACK"],
[["00", "635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
[["635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS", "UNBALANCED_CONDITIONAL"],
[["635168", 0.00000001], "", "0 0x20 0xc7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "P2SH,WITNESS,MINIMALIF", "UNBALANCED_CONDITIONAL"],
["P2WSH NOTIF 1 ENDIF"],
-[["01", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS", "EVAL_FALSE"],
-[["02", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS", "EVAL_FALSE"],
-[["0100", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS", "EVAL_FALSE"],
+[["01", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS", "CLEANSTACK"],
+[["02", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS", "CLEANSTACK"],
+[["0100", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS", "CLEANSTACK"],
[["", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS", "OK"],
[["00", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS", "OK"],
-[["01", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS,MINIMALIF", "EVAL_FALSE"],
+[["01", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS,MINIMALIF", "CLEANSTACK"],
[["02", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
[["0100", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
[["", "645168", 0.00000001], "", "0 0x20 0xf913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "P2SH,WITNESS,MINIMALIF", "OK"],
@@ -2582,22 +2582,22 @@
[["01", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS", "OK"],
[["02", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS", "OK"],
[["0100", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS", "OK"],
-[["", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS", "EVAL_FALSE"],
-[["00", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS", "EVAL_FALSE"],
+[["", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS", "CLEANSTACK"],
+[["00", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS", "CLEANSTACK"],
[["01", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS,MINIMALIF", "OK"],
[["02", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
[["0100", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
-[["", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS,MINIMALIF", "EVAL_FALSE"],
+[["", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS,MINIMALIF", "CLEANSTACK"],
[["00", "635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
[["635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS", "UNBALANCED_CONDITIONAL"],
[["635168", 0.00000001], "0x22 0x0020c7eaf06d5ae01a58e376e126eb1e6fab2036076922b96b2711ffbec1e590665d", "HASH160 0x14 0x9b27ee6d9010c21bf837b334d043be5d150e7ba7 EQUAL", "P2SH,WITNESS,MINIMALIF", "UNBALANCED_CONDITIONAL"],
["P2SH-P2WSH NOTIF 1 ENDIF"],
-[["01", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS", "EVAL_FALSE"],
-[["02", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS", "EVAL_FALSE"],
-[["0100", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS", "EVAL_FALSE"],
+[["01", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS", "CLEANSTACK"],
+[["02", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS", "CLEANSTACK"],
+[["0100", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS", "CLEANSTACK"],
[["", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS", "OK"],
[["00", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS", "OK"],
-[["01", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS,MINIMALIF", "EVAL_FALSE"],
+[["01", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS,MINIMALIF", "CLEANSTACK"],
[["02", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
[["0100", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS,MINIMALIF", "MINIMALIF"],
[["", "645168", 0.00000001], "0x22 0x0020f913eacf2e38a5d6fc3a8311d72ae704cb83866350a984dd3e5eb76d2a8c28e8", "HASH160 0x14 0xdbb7d1c0a56b7a9c423300c8cca6e6e065baf1dc EQUAL", "P2SH,WITNESS,MINIMALIF", "OK"],
diff --git a/src/util.cpp b/src/util.cpp
index 490897899b..46054f5025 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -584,7 +584,10 @@ void ArgsManager::ForceSetArg(const std::string& strArg, const std::string& strV
mapMultiArgs[strArg] = {strValue};
}
-
+bool HelpRequested(const ArgsManager& args)
+{
+ return args.IsArgSet("-?") || args.IsArgSet("-h") || args.IsArgSet("-help");
+}
static const int screenWidth = 79;
static const int optIndent = 2;
diff --git a/src/util.h b/src/util.h
index 4c473c9354..17881ff3b6 100644
--- a/src/util.h
+++ b/src/util.h
@@ -314,6 +314,11 @@ private:
extern ArgsManager gArgs;
/**
+ * @return true if help has been requested via a command-line arg
+ */
+bool HelpRequested(const ArgsManager& args);
+
+/**
* Format a string to be used as group of options in help messages
*
* @param message Group name (e.g. "RPC server options:")
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 28b6153ce1..3f88c62c61 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -100,6 +100,7 @@ UniValue importprivkey(const JSONRPCRequest& request)
throw std::runtime_error(
"importprivkey \"privkey\" ( \"label\" ) ( rescan )\n"
"\nAdds a private key (as returned by dumpprivkey) to your wallet. Requires a new wallet backup.\n"
+ "Hint: use importmulti to import more than one private key.\n"
"\nArguments:\n"
"1. \"privkey\" (string, required) The private key (see dumpprivkey)\n"
"2. \"label\" (string, optional, default=\"\") An optional label\n"