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-rw-r--r--src/utilstrencodings.cpp55
1 files changed, 54 insertions, 1 deletions
diff --git a/src/utilstrencodings.cpp b/src/utilstrencodings.cpp
index c6927021cb..2326383586 100644
--- a/src/utilstrencodings.cpp
+++ b/src/utilstrencodings.cpp
@@ -1,5 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2017 The Bitcoin Core developers
+// 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.
@@ -7,6 +7,7 @@
#include <tinyformat.h>
+#include <algorithm>
#include <cstdlib>
#include <cstring>
#include <errno.h>
@@ -544,3 +545,55 @@ bool ParseFixedPoint(const std::string &val, int decimals, int64_t *amount_out)
return true;
}
+bool ParseHDKeypath(const std::string& keypath_str, std::vector<uint32_t>& keypath)
+{
+ std::stringstream ss(keypath_str);
+ std::string item;
+ bool first = true;
+ while (std::getline(ss, item, '/')) {
+ if (item.compare("m") == 0) {
+ if (first) {
+ first = false;
+ continue;
+ }
+ return false;
+ }
+ // Finds whether it is hardened
+ uint32_t path = 0;
+ size_t pos = item.find("'");
+ if (pos != std::string::npos) {
+ // The hardened tick can only be in the last index of the string
+ if (pos != item.size() - 1) {
+ return false;
+ }
+ path |= 0x80000000;
+ item = item.substr(0, item.size() - 1); // Drop the last character which is the hardened tick
+ }
+
+ // Ensure this is only numbers
+ if (item.find_first_not_of( "0123456789" ) != std::string::npos) {
+ return false;
+ }
+ uint32_t number;
+ if (!ParseUInt32(item, &number)) {
+ return false;
+ }
+ path |= number;
+
+ keypath.push_back(path);
+ first = false;
+ }
+ return true;
+}
+
+void Downcase(std::string& str)
+{
+ std::transform(str.begin(), str.end(), str.begin(), [](unsigned char c){return ToLower(c);});
+}
+
+std::string Capitalize(std::string str)
+{
+ if (str.empty()) return str;
+ str[0] = ToUpper(str.front());
+ return str;
+}