diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
index dfcff6ce5..9e1059d5e 100644
--- a/src/rpc/util.cpp
+++ b/src/rpc/util.cpp
@@ -1,893 +1,901 @@
// Copyright (c) 2017-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <rpc/util.h>
#include <key_io.h>
#include <script/descriptor.h>
#include <script/signingprovider.h>
#include <tinyformat.h>
#include <util/strencodings.h>
#include <util/string.h>
#include <util/translation.h>
#include <tuple>
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/variant/static_visitor.hpp>
const std::string UNIX_EPOCH_TIME = "UNIX epoch time";
const std::string EXAMPLE_ADDRESS =
"\"qrmzys48glkpevp2l4t24jtcltc9hyzx9cep2qffm4\"";
void RPCTypeCheck(const UniValue ¶ms,
const std::list<UniValueType> &typesExpected,
bool fAllowNull) {
unsigned int i = 0;
for (const UniValueType &t : typesExpected) {
if (params.size() <= i) {
break;
}
const UniValue &v = params[i];
if (!(fAllowNull && v.isNull())) {
RPCTypeCheckArgument(v, t);
}
i++;
}
}
void RPCTypeCheckArgument(const UniValue &value,
const UniValueType &typeExpected) {
if (!typeExpected.typeAny && value.type() != typeExpected.type) {
throw JSONRPCError(RPC_TYPE_ERROR,
strprintf("Expected type %s, got %s",
uvTypeName(typeExpected.type),
uvTypeName(value.type())));
}
}
void RPCTypeCheckObj(const UniValue &o,
const std::map<std::string, UniValueType> &typesExpected,
bool fAllowNull, bool fStrict) {
for (const auto &t : typesExpected) {
const UniValue &v = find_value(o, t.first);
if (!fAllowNull && v.isNull()) {
throw JSONRPCError(RPC_TYPE_ERROR,
strprintf("Missing %s", t.first));
}
if (!(t.second.typeAny || v.type() == t.second.type ||
(fAllowNull && v.isNull()))) {
std::string err = strprintf("Expected type %s for %s, got %s",
uvTypeName(t.second.type), t.first,
uvTypeName(v.type()));
throw JSONRPCError(RPC_TYPE_ERROR, err);
}
}
if (fStrict) {
for (const std::string &k : o.getKeys()) {
if (typesExpected.count(k) == 0) {
std::string err = strprintf("Unexpected key %s", k);
throw JSONRPCError(RPC_TYPE_ERROR, err);
}
}
}
}
Amount AmountFromValue(const UniValue &value) {
if (!value.isNum() && !value.isStr()) {
throw JSONRPCError(RPC_TYPE_ERROR, "Amount is not a number or string");
}
int64_t n;
if (!ParseFixedPoint(value.getValStr(), 8, &n)) {
throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
}
Amount amt = n * SATOSHI;
if (!MoneyRange(amt)) {
throw JSONRPCError(RPC_TYPE_ERROR, "Amount out of range");
}
return amt;
}
uint256 ParseHashV(const UniValue &v, std::string strName) {
std::string strHex(v.get_str());
if (64 != strHex.length()) {
throw JSONRPCError(
RPC_INVALID_PARAMETER,
strprintf("%s must be of length %d (not %d, for '%s')", strName, 64,
strHex.length(), strHex));
}
// Note: IsHex("") is false
if (!IsHex(strHex)) {
throw JSONRPCError(RPC_INVALID_PARAMETER,
strName + " must be hexadecimal string (not '" +
strHex + "')");
}
return uint256S(strHex);
}
uint256 ParseHashO(const UniValue &o, std::string strKey) {
return ParseHashV(find_value(o, strKey), strKey);
}
std::vector<uint8_t> ParseHexV(const UniValue &v, std::string strName) {
std::string strHex;
if (v.isStr()) {
strHex = v.get_str();
}
if (!IsHex(strHex)) {
throw JSONRPCError(RPC_INVALID_PARAMETER,
strName + " must be hexadecimal string (not '" +
strHex + "')");
}
return ParseHex(strHex);
}
std::vector<uint8_t> ParseHexO(const UniValue &o, std::string strKey) {
return ParseHexV(find_value(o, strKey), strKey);
}
std::string HelpExampleCli(const std::string &methodname,
const std::string &args) {
return "> bitcoin-cli " + methodname + " " + args + "\n";
}
std::string HelpExampleRpc(const std::string &methodname,
const std::string &args) {
return "> curl --user myusername --data-binary '{\"jsonrpc\": \"1.0\", "
"\"id\": \"curltest\", "
"\"method\": \"" +
methodname + "\", \"params\": [" + args +
"]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/\n";
}
// Converts a hex string to a public key if possible
CPubKey HexToPubKey(const std::string &hex_in) {
if (!IsHex(hex_in)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
"Invalid public key: " + hex_in);
}
CPubKey vchPubKey(ParseHex(hex_in));
if (!vchPubKey.IsFullyValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
"Invalid public key: " + hex_in);
}
return vchPubKey;
}
// Retrieves a public key for an address from the given FillableSigningProvider
CPubKey AddrToPubKey(const CChainParams &chainparams,
const FillableSigningProvider &keystore,
const std::string &addr_in) {
CTxDestination dest = DecodeDestination(addr_in, chainparams);
if (!IsValidDestination(dest)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
"Invalid address: " + addr_in);
}
CKeyID key = GetKeyForDestination(keystore, dest);
if (key.IsNull()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
strprintf("%s does not refer to a key", addr_in));
}
CPubKey vchPubKey;
if (!keystore.GetPubKey(key, vchPubKey)) {
throw JSONRPCError(
RPC_INVALID_ADDRESS_OR_KEY,
strprintf("no full public key for address %s", addr_in));
}
if (!vchPubKey.IsFullyValid()) {
throw JSONRPCError(RPC_INTERNAL_ERROR,
"Wallet contains an invalid public key");
}
return vchPubKey;
}
// Creates a multisig address from a given list of public keys, number of
// signatures required, and the address type
CTxDestination AddAndGetMultisigDestination(const int required,
const std::vector<CPubKey> &pubkeys,
OutputType type,
FillableSigningProvider &keystore,
CScript &script_out) {
// Gather public keys
if (required < 1) {
throw JSONRPCError(
RPC_INVALID_PARAMETER,
"a multisignature address must require at least one key to redeem");
}
if ((int)pubkeys.size() < required) {
throw JSONRPCError(RPC_INVALID_PARAMETER,
strprintf("not enough keys supplied (got %u keys, "
"but need at least %d to redeem)",
pubkeys.size(), required));
}
if (pubkeys.size() > 16) {
throw JSONRPCError(RPC_INVALID_PARAMETER,
"Number of keys involved in the multisignature "
"address creation > 16\nReduce the number");
}
script_out = GetScriptForMultisig(required, pubkeys);
if (script_out.size() > MAX_SCRIPT_ELEMENT_SIZE) {
throw JSONRPCError(
RPC_INVALID_PARAMETER,
(strprintf("redeemScript exceeds size limit: %d > %d",
script_out.size(), MAX_SCRIPT_ELEMENT_SIZE)));
}
// Check if any keys are uncompressed. If so, the type is legacy
for (const CPubKey &pk : pubkeys) {
if (!pk.IsCompressed()) {
type = OutputType::LEGACY;
break;
}
}
// Make the address
CTxDestination dest =
AddAndGetDestinationForScript(keystore, script_out, type);
return dest;
}
class DescribeAddressVisitor : public boost::static_visitor<UniValue> {
public:
explicit DescribeAddressVisitor() {}
UniValue operator()(const CNoDestination &dest) const {
return UniValue(UniValue::VOBJ);
}
UniValue operator()(const PKHash &keyID) const {
UniValue obj(UniValue::VOBJ);
obj.pushKV("isscript", false);
return obj;
}
UniValue operator()(const ScriptHash &scriptID) const {
UniValue obj(UniValue::VOBJ);
obj.pushKV("isscript", true);
return obj;
}
};
UniValue DescribeAddress(const CTxDestination &dest) {
return boost::apply_visitor(DescribeAddressVisitor(), dest);
}
RPCErrorCode RPCErrorFromTransactionError(TransactionError terr) {
switch (terr) {
case TransactionError::MEMPOOL_REJECTED:
return RPC_TRANSACTION_REJECTED;
case TransactionError::ALREADY_IN_CHAIN:
return RPC_TRANSACTION_ALREADY_IN_CHAIN;
case TransactionError::P2P_DISABLED:
return RPC_CLIENT_P2P_DISABLED;
case TransactionError::INVALID_PSBT:
case TransactionError::PSBT_MISMATCH:
return RPC_INVALID_PARAMETER;
case TransactionError::SIGHASH_MISMATCH:
return RPC_DESERIALIZATION_ERROR;
default:
break;
}
return RPC_TRANSACTION_ERROR;
}
UniValue JSONRPCTransactionError(TransactionError terr,
const std::string &err_string) {
if (err_string.length() > 0) {
return JSONRPCError(RPCErrorFromTransactionError(terr), err_string);
} else {
return JSONRPCError(RPCErrorFromTransactionError(terr),
TransactionErrorString(terr).original);
}
}
/**
* A pair of strings that can be aligned (through padding) with other Sections
* later on
*/
struct Section {
Section(const std::string &left, const std::string &right)
: m_left{left}, m_right{right} {}
- const std::string m_left;
+ std::string m_left;
const std::string m_right;
};
/**
* Keeps track of RPCArgs by transforming them into sections for the purpose
* of serializing everything to a single string
*/
struct Sections {
std::vector<Section> m_sections;
size_t m_max_pad{0};
void PushSection(const Section &s) {
m_max_pad = std::max(m_max_pad, s.m_left.size());
m_sections.push_back(s);
}
/**
* Recursive helper to translate an RPCArg into sections
*/
void Push(const RPCArg &arg, const size_t current_indent = 5,
const OuterType outer_type = OuterType::NONE) {
const auto indent = std::string(current_indent, ' ');
const auto indent_next = std::string(current_indent + 2, ' ');
// Dictionary keys must have a name
const bool push_name{outer_type == OuterType::OBJ};
switch (arg.m_type) {
case RPCArg::Type::STR_HEX:
case RPCArg::Type::STR:
case RPCArg::Type::NUM:
case RPCArg::Type::AMOUNT:
case RPCArg::Type::RANGE:
case RPCArg::Type::BOOL: {
// Nothing more to do for non-recursive types on first recursion
if (outer_type == OuterType::NONE) {
return;
}
auto left = indent;
if (arg.m_type_str.size() != 0 && push_name) {
left +=
"\"" + arg.GetName() + "\": " + arg.m_type_str.at(0);
} else {
left += push_name ? arg.ToStringObj(/* oneline */ false)
: arg.ToString(/* oneline */ false);
}
left += ",";
PushSection({left, arg.ToDescriptionString()});
break;
}
case RPCArg::Type::OBJ:
case RPCArg::Type::OBJ_USER_KEYS: {
const auto right = outer_type == OuterType::NONE
? ""
: arg.ToDescriptionString();
PushSection(
{indent + (push_name ? "\"" + arg.GetName() + "\": " : "") +
"{",
right});
for (const auto &arg_inner : arg.m_inner) {
Push(arg_inner, current_indent + 2, OuterType::OBJ);
}
if (arg.m_type != RPCArg::Type::OBJ) {
PushSection({indent_next + "...", ""});
}
PushSection(
{indent + "}" + (outer_type != OuterType::NONE ? "," : ""),
""});
break;
}
case RPCArg::Type::ARR: {
auto left = indent;
left += push_name ? "\"" + arg.GetName() + "\": " : "";
left += "[";
const auto right = outer_type == OuterType::NONE
? ""
: arg.ToDescriptionString();
PushSection({left, right});
for (const auto &arg_inner : arg.m_inner) {
Push(arg_inner, current_indent + 2, OuterType::ARR);
}
PushSection({indent_next + "...", ""});
PushSection(
{indent + "]" + (outer_type != OuterType::NONE ? "," : ""),
""});
break;
}
// no default case, so the compiler can warn about missing cases
}
}
/**
* Concatenate all sections with proper padding
*/
std::string ToString() const {
std::string ret;
const size_t pad = m_max_pad + 4;
for (const auto &s : m_sections) {
if (s.m_right.empty()) {
ret += s.m_left;
ret += "\n";
continue;
}
std::string left = s.m_left;
left.resize(pad, ' ');
ret += left;
// Properly pad after newlines
std::string right;
size_t begin = 0;
size_t new_line_pos = s.m_right.find_first_of('\n');
while (true) {
right += s.m_right.substr(begin, new_line_pos - begin);
if (new_line_pos == std::string::npos) {
// No new line
break;
}
right += "\n" + std::string(pad, ' ');
begin = s.m_right.find_first_not_of(' ', new_line_pos + 1);
if (begin == std::string::npos) {
break; // Empty line
}
new_line_pos = s.m_right.find_first_of('\n', begin + 1);
}
ret += right;
ret += "\n";
}
return ret;
}
};
RPCHelpMan::RPCHelpMan(std::string name_, std::string description,
std::vector<RPCArg> args, RPCResults results,
RPCExamples examples)
: m_name{std::move(name_)}, m_description{std::move(description)},
m_args{std::move(args)}, m_results{std::move(results)},
m_examples{std::move(examples)} {
std::set<std::string> named_args;
for (const auto &arg : m_args) {
std::vector<std::string> names;
boost::split(names, arg.m_names, boost::is_any_of("|"));
// Should have unique named arguments
for (const std::string &name : names) {
CHECK_NONFATAL(named_args.insert(name).second);
}
}
}
std::string RPCResults::ToDescriptionString() const {
std::string result;
for (const auto &r : m_results) {
if (r.m_cond.empty()) {
result += "\nResult:\n";
} else {
result += "\nResult (" + r.m_cond + "):\n";
}
Sections sections;
r.ToSections(sections);
result += sections.ToString();
}
return result;
}
std::string RPCExamples::ToDescriptionString() const {
return m_examples.empty() ? m_examples : "\nExamples:\n" + m_examples;
}
bool RPCHelpMan::IsValidNumArgs(size_t num_args) const {
size_t num_required_args = 0;
for (size_t n = m_args.size(); n > 0; --n) {
if (!m_args.at(n - 1).IsOptional()) {
num_required_args = n;
break;
}
}
return num_required_args <= num_args && num_args <= m_args.size();
}
std::string RPCHelpMan::ToString() const {
std::string ret;
// Oneline summary
ret += m_name;
bool was_optional{false};
for (const auto &arg : m_args) {
const bool optional = arg.IsOptional();
ret += " ";
if (optional) {
if (!was_optional) {
ret += "( ";
}
was_optional = true;
} else {
if (was_optional) {
ret += ") ";
}
was_optional = false;
}
ret += arg.ToString(/* oneline */ true);
}
if (was_optional) {
ret += " )";
}
ret += "\n\n";
// Description
ret += m_description;
// Arguments
Sections sections;
for (size_t i{0}; i < m_args.size(); ++i) {
const auto &arg = m_args.at(i);
if (i == 0) {
ret += "\nArguments:\n";
}
// Push named argument name and description
sections.m_sections.emplace_back(::ToString(i + 1) + ". " +
arg.GetFirstName(),
arg.ToDescriptionString());
sections.m_max_pad = std::max(sections.m_max_pad,
sections.m_sections.back().m_left.size());
// Recursively push nested args
sections.Push(arg);
}
ret += sections.ToString();
// Result
ret += m_results.ToDescriptionString();
// Examples
ret += m_examples.ToDescriptionString();
return ret;
}
std::string RPCArg::GetFirstName() const {
return m_names.substr(0, m_names.find("|"));
}
std::string RPCArg::GetName() const {
CHECK_NONFATAL(std::string::npos == m_names.find("|"));
return m_names;
}
bool RPCArg::IsOptional() const {
if (m_fallback.which() == 1) {
return true;
} else {
return RPCArg::Optional::NO != boost::get<RPCArg::Optional>(m_fallback);
}
}
std::string RPCArg::ToDescriptionString() const {
std::string ret;
ret += "(";
if (m_type_str.size() != 0) {
ret += m_type_str.at(1);
} else {
switch (m_type) {
case Type::STR_HEX:
case Type::STR: {
ret += "string";
break;
}
case Type::NUM: {
ret += "numeric";
break;
}
case Type::AMOUNT: {
ret += "numeric or string";
break;
}
case Type::RANGE: {
ret += "numeric or array";
break;
}
case Type::BOOL: {
ret += "boolean";
break;
}
case Type::OBJ:
case Type::OBJ_USER_KEYS: {
ret += "json object";
break;
}
case Type::ARR: {
ret += "json array";
break;
}
// no default case, so the compiler can warn about missing cases
}
}
if (m_fallback.which() == 1) {
ret += ", optional, default=" + boost::get<std::string>(m_fallback);
} else {
switch (boost::get<RPCArg::Optional>(m_fallback)) {
case RPCArg::Optional::OMITTED: {
// nothing to do. Element is treated as if not present and has
// no default value
break;
}
case RPCArg::Optional::OMITTED_NAMED_ARG: {
ret += ", optional"; // Default value is "null"
break;
}
case RPCArg::Optional::NO: {
ret += ", required";
break;
}
// no default case, so the compiler can warn about missing cases
}
}
ret += ")";
ret += m_description.empty() ? "" : " " + m_description;
return ret;
}
void RPCResult::ToSections(Sections §ions, const OuterType outer_type,
const int current_indent) const {
// Indentation
const std::string indent(current_indent, ' ');
const std::string indent_next(current_indent + 2, ' ');
// Elements in a JSON structure (dictionary or array) are separated by a
// comma
const std::string maybe_separator{outer_type != OuterType::NONE ? "," : ""};
// The key name if recursed into an dictionary
const std::string maybe_key{
outer_type == OuterType::OBJ ? "\"" + this->m_key_name + "\" : " : ""};
// Format description with type
const auto Description = [&](const std::string &type) {
return "(" + type + (this->m_optional ? ", optional" : "") + ")" +
(this->m_description.empty() ? "" : " " + this->m_description);
};
switch (m_type) {
case Type::ELISION: {
// If the inner result is empty, use three dots for elision
sections.PushSection({indent_next + "...", m_description});
return;
}
case Type::NONE: {
sections.PushSection({indent + "None", Description("json null")});
return;
}
case Type::STR: {
sections.PushSection(
{indent + maybe_key + "\"str\"" + maybe_separator,
Description("string")});
return;
}
case Type::STR_AMOUNT: {
sections.PushSection({indent + maybe_key + "n" + maybe_separator,
Description("numeric")});
return;
}
case Type::STR_HEX: {
sections.PushSection(
{indent + maybe_key + "\"hex\"" + maybe_separator,
Description("string")});
return;
}
case Type::NUM: {
sections.PushSection({indent + maybe_key + "n" + maybe_separator,
Description("numeric")});
return;
}
case Type::NUM_TIME: {
sections.PushSection({indent + maybe_key + "xxx" + maybe_separator,
Description("numeric")});
return;
}
case Type::BOOL: {
sections.PushSection(
{indent + maybe_key + "true|false" + maybe_separator,
Description("boolean")});
return;
}
case Type::ARR_FIXED:
case Type::ARR: {
sections.PushSection(
{indent + maybe_key + "[", Description("json array")});
for (const auto &i : m_inner) {
i.ToSections(sections, OuterType::ARR, current_indent + 2);
}
if (m_type == Type::ARR) {
sections.PushSection({indent_next + "...", ""});
+ } else {
+ CHECK_NONFATAL(!m_inner.empty());
+ // Remove final comma, which would be invalid JSON
+ sections.m_sections.back().m_left.pop_back();
}
sections.PushSection({indent + "]" + maybe_separator, ""});
return;
}
case Type::OBJ_DYN:
case Type::OBJ: {
sections.PushSection(
{indent + maybe_key + "{", Description("json object")});
for (const auto &i : m_inner) {
i.ToSections(sections, OuterType::OBJ, current_indent + 2);
}
if (m_type == Type::OBJ_DYN) {
// If the dictionary keys are dynamic, use three dots for
// continuation
sections.PushSection({indent_next + "...", ""});
+ } else {
+ CHECK_NONFATAL(!m_inner.empty());
+ // Remove final comma, which would be invalid JSON
+ sections.m_sections.back().m_left.pop_back();
}
sections.PushSection({indent + "}" + maybe_separator, ""});
return;
}
// no default case, so the compiler can warn about missing cases
}
CHECK_NONFATAL(false);
}
std::string RPCArg::ToStringObj(const bool oneline) const {
std::string res;
res += "\"";
res += GetFirstName();
if (oneline) {
res += "\":";
} else {
res += "\": ";
}
switch (m_type) {
case Type::STR:
return res + "\"str\"";
case Type::STR_HEX:
return res + "\"hex\"";
case Type::NUM:
return res + "n";
case Type::RANGE:
return res + "n or [n,n]";
case Type::AMOUNT:
return res + "amount";
case Type::BOOL:
return res + "bool";
case Type::ARR:
res += "[";
for (const auto &i : m_inner) {
res += i.ToString(oneline) + ",";
}
return res + "...]";
case Type::OBJ:
case Type::OBJ_USER_KEYS:
// Currently unused, so avoid writing dead code
CHECK_NONFATAL(false);
// no default case, so the compiler can warn about missing cases
}
CHECK_NONFATAL(false);
}
std::string RPCArg::ToString(const bool oneline) const {
if (oneline && !m_oneline_description.empty()) {
return m_oneline_description;
}
switch (m_type) {
case Type::STR_HEX:
case Type::STR: {
return "\"" + GetFirstName() + "\"";
}
case Type::NUM:
case Type::RANGE:
case Type::AMOUNT:
case Type::BOOL: {
return GetFirstName();
}
case Type::OBJ:
case Type::OBJ_USER_KEYS: {
const std::string res = Join(m_inner, ",", [&](const RPCArg &i) {
return i.ToStringObj(oneline);
});
if (m_type == Type::OBJ) {
return "{" + res + "}";
} else {
return "{" + res + ",...}";
}
}
case Type::ARR: {
std::string res;
for (const auto &i : m_inner) {
res += i.ToString(oneline) + ",";
}
return "[" + res + "...]";
}
// no default case, so the compiler can warn about missing cases
}
CHECK_NONFATAL(false);
}
static std::pair<int64_t, int64_t> ParseRange(const UniValue &value) {
if (value.isNum()) {
return {0, value.get_int64()};
}
if (value.isArray() && value.size() == 2 && value[0].isNum() &&
value[1].isNum()) {
int64_t low = value[0].get_int64();
int64_t high = value[1].get_int64();
if (low > high) {
throw JSONRPCError(
RPC_INVALID_PARAMETER,
"Range specified as [begin,end] must not have begin after end");
}
return {low, high};
}
throw JSONRPCError(RPC_INVALID_PARAMETER,
"Range must be specified as end or as [begin,end]");
}
std::pair<int64_t, int64_t> ParseDescriptorRange(const UniValue &value) {
int64_t low, high;
std::tie(low, high) = ParseRange(value);
if (low < 0) {
throw JSONRPCError(RPC_INVALID_PARAMETER,
"Range should be greater or equal than 0");
}
if ((high >> 31) != 0) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "End of range is too high");
}
if (high >= low + 1000000) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Range is too large");
}
return {low, high};
}
std::vector<CScript>
EvalDescriptorStringOrObject(const UniValue &scanobject,
FlatSigningProvider &provider) {
std::string desc_str;
std::pair<int64_t, int64_t> range = {0, 1000};
if (scanobject.isStr()) {
desc_str = scanobject.get_str();
} else if (scanobject.isObject()) {
UniValue desc_uni = find_value(scanobject, "desc");
if (desc_uni.isNull()) {
throw JSONRPCError(
RPC_INVALID_PARAMETER,
"Descriptor needs to be provided in scan object");
}
desc_str = desc_uni.get_str();
UniValue range_uni = find_value(scanobject, "range");
if (!range_uni.isNull()) {
range = ParseDescriptorRange(range_uni);
}
} else {
throw JSONRPCError(
RPC_INVALID_PARAMETER,
"Scan object needs to be either a string or an object");
}
std::string error;
auto desc = Parse(desc_str, provider, error);
if (!desc) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, error);
}
if (!desc->IsRange()) {
range.first = 0;
range.second = 0;
}
std::vector<CScript> ret;
for (int i = range.first; i <= range.second; ++i) {
std::vector<CScript> scripts;
if (!desc->Expand(i, provider, scripts, provider)) {
throw JSONRPCError(
RPC_INVALID_ADDRESS_OR_KEY,
strprintf("Cannot derive script without private keys: '%s'",
desc_str));
}
std::move(scripts.begin(), scripts.end(), std::back_inserter(ret));
}
return ret;
}
UniValue GetServicesNames(ServiceFlags services) {
UniValue servicesNames(UniValue::VARR);
for (const auto &flag : serviceFlagsToStr(services)) {
servicesNames.push_back(flag);
}
return servicesNames;
}