SKALE-3023 add all keys info method

LevelDB.cpp

@@ -27,6 +27,7 @@
 #include <iostream>
 
 #include "leveldb/db.h"
+#include <jsonrpccpp/client.h>
 
 #include "sgxwallet_common.h"
 #include "SGXException.h"
@@ -167,10 +168,32 @@ void LevelDB::writeDataUnique(const string & name, const string &value) {
 }
 
 stringstream LevelDB::getAllKeys() {
+    stringstream result;
 
+    leveldb::Iterator *it = db->NewIterator(readOptions);
+    uint64_t counter = 0;
+    for (it->SeekToFirst(); it->Valid(); it->Next()) {
+        ++counter;
+        string key = it->key().ToString();
+        string value;
+        if (it->value().ToString()[0] == '{') {
+            // new style keys
+            Json::Value key_data;
+            Json::Reader reader;
+            reader.parse(it->value().ToString().c_str(), key_data);
+            value = " VALUE: " + key_data["value"].asString() + ", TIMESTAMP: " + key_data["timestamp"].asString();
+        } else {
+            // old style keys
+            value = " VALUE: " + it->value().ToString();
+        }
+        result << "KEY: " << key << ',' << value << '\n';
+    }
+    result << "TOTAL NUMBER OF KEYS: " << counter << '\n';
+
+    return result;
 }
 
-pair<string, uint64_t> LevelDB::getLastCreatedKey() {
+pair<string, uint64_t> LevelDB::getLatestCreatedKey() {
 
 }
 

LevelDB.h

@@ -72,7 +72,7 @@ public:
 
     stringstream getAllKeys();
 
-    pair<string, uint64_t> getLastCreatedKey();
+    pair<string, uint64_t> getLatestCreatedKey();
 
     void writeString(const string &key1, const string &value1);
 

SGXInfoServer.cpp

@@ -60,7 +60,7 @@ Json::Value SGXInfoServer::getLastCreatedKey() {
     Json::Value result;
 
     try {
-        pair<string, uint64_t> key = LevelDB::getLevelDb()->getLastCreatedKey();
+        pair<string, uint64_t> key = LevelDB::getLevelDb()->getLatestCreatedKey();
         result["keyName"] = key.first;
         result["creationTime"] = key.second;
     } HANDLE_SGX_EXCEPTION(result)

sgx_util.cpp

@@ -93,9 +93,13 @@ int main(int argc, char *argv[]) {
 
   if (argc == 1) {
     std::cout << "You may use following flags:" << std::endl;
-    std::cout << " -p  print all unsigned csr hashes " << std::endl;
+    std::cout << " -p print all unsigned csr hashes " << std::endl;
     std::cout << " -s [hash] sign csr by hash" << std::endl;
     std::cout << " -r [hash] reject csr by hash" << std::endl;
+    std::cout << " -a print all keys" << std::endl;
+    std::cout << " -l print latest created key" << std::endl;
+    std::cout << " -c print server's config" << std::endl;
+    std::cout << " -i [name] check if key with such name presents in database" << std::endl;
     exit(0);
   }
   std::string hash;