key_search: refactor into a KeySearch class.

src/key_search.cpp

@@ -5,7 +5,32 @@
 #include "key_search_helpers.h"
 #include "key_search.h"
 
-void key_search(const strlist_t& word_list, size_t n) {
+void KeySearch::addWord(const std::string& str)
+{
+	std::string tmp = str;
+	base58_strip(tmp);
+	strtolower(tmp);
+	m_words.push_back(tmp);
+}
+
+void KeySearch::addList(const strlist_t& list)
+{
+	for(const std::string& item : list) {
+		addWord(item);
+	}
+}
+
+const strlist_t& KeySearch::getList()
+{
+	return m_words;
+}
+
+void KeySearch::clear()
+{
+	m_words.clear();
+}
+
+void KeySearch::_search_linear(size_t n) {
 
 	size_t count = 0;
 	struct ec_keypair pair;
@@ -13,9 +38,22 @@ void key_search(const strlist_t& word_list, size_t n) {
 	while (count < n) {
 		std::string word;
 		ec_generate_key(&pair);
-		if (key_contains_word(&pair, word_list, word)) {
+		if (key_contains_word(&pair, m_words, word)) {
 			key_search_result(word, &pair);
 			count++;
 		}
 	}
 }
+
+void KeySearch::find(size_t num_results) {
+
+#ifdef HAVE_THREADS
+	// Only do multithread if number of threads makes sense.
+	if (m_threads >= 2) {
+		_search_mt(num_results);
+		return;
+	}
+#endif /* HAVE_THREADS */
+
+	_search_linear(num_results);
+}