SKALE-2835 add api call to delete bls key

LevelDB.cpp

@@ -113,6 +113,16 @@ void LevelDB::deleteKey(const string &_key) {
     spdlog::debug("key deleted: {}",_key );
 }
 
+void LevelDB::deleteDkgPoly( const std::string& name ) {
+    std::lock_guard<std::recursive_mutex> lock(mutex);
+
+    auto status = db->Delete(writeOptions, Slice(name));
+
+    throwExceptionOnError(status);
+
+    spdlog::debug("key deleted: {}", name);
+}
+
 
 
 void LevelDB::writeByteArray(const char *_key, size_t _keyLen, const char *value,

LevelDB.h

@@ -87,6 +87,8 @@ public:
 
     void deleteKey(const string &_key);
 
+    void deleteDkgPoly( const std::string& name );
+
 public:
 
 
@@ -118,4 +120,4 @@ public:
 
 
 
-#endif
\ No newline at end of file
+#endif

SGXWalletServer.cpp

@@ -546,7 +546,7 @@ SGXWalletServer::createBLSPrivateKeyImpl(const string &_blsKeyName, const string
             throw SGXException(INVALID_POLY_NAME, "Invalid polynomial name");
         }
         if (!checkName(_blsKeyName, "BLS_KEY")) {
-            throw SGXException(INVALID_POLY_NAME, "Invalid BLS key name");
+            throw SGXException(INVALID_BLS_NAME, "Invalid BLS key name");
         }
         if (!check_n_t(_t, _n)) {
             throw SGXException(INVALID_DKG_PARAMS, "Invalid DKG parameters: n or t ");
@@ -569,6 +569,7 @@ SGXWalletServer::createBLSPrivateKeyImpl(const string &_blsKeyName, const string
             LevelDB::getLevelDb()->deleteDHDKGKey(name);
             string shareG2_name = "shareG2_" + _polyName + "_" + to_string(i) + ":";
             LevelDB::getLevelDb()->deleteKey(shareG2_name);
+            LevelDB::getLevelDb()->deleteDkgPoly(_polyName`);
         }
 
     } HANDLE_SGX_EXCEPTION(result)
@@ -581,7 +582,7 @@ Json::Value SGXWalletServer::getBLSPublicKeyShareImpl(const string &_blsKeyName)
 
     try {
         if (!checkName(_blsKeyName, "BLS_KEY")) {
-            throw SGXException(INVALID_POLY_NAME, "Invalid BLSKey name");
+            throw SGXException(INVALID_BLS_NAME, "Invalid BLSKey name");
         }
         shared_ptr <string> encryptedKeyHex_ptr = readFromDb(_blsKeyName);
         spdlog::debug("encr_bls_key_share is {}", *encryptedKeyHex_ptr);
@@ -660,6 +661,19 @@ Json::Value SGXWalletServer::getServerVersionImpl() {
     return result;
 }
 
+Json::Value SGXWalletServer::deleteBlsKeyImpl(const std::string& name) {
+    INIT_RESULT(result)
+
+    result["deleted"] = false;
+    try {
+        if (!checkName(_blsKeyName, "BLS_KEY")) {
+            throw SGXException(INVALID_BLS_NAME, "Invalid BLSKey name");
+        }
+        LevelDB::getLevelDb()->deleteBlsKey(name);
+    } HANDLE_SGX_EXCEPTION(result)
+    return result;
+}
+
 
 Json::Value SGXWalletServer::generateDKGPoly(const string &_polyName, int _t) {
     WRITE_LOCK(m)
@@ -763,6 +777,11 @@ Json::Value SGXWalletServer::getServerVersion() {
     return getServerVersionImpl();
 }
 
+Json::Value SGXWalletServer::deleteBlsKey() {
+    READ_LOCK(m)
+    return deleteBlsKeyImpl();
+}
+
 shared_ptr <string> SGXWalletServer::readFromDb(const string &name, const string &prefix) {
     auto dataStr = LevelDB::getLevelDb()->readString(prefix + name);
 

SGXWalletServer.hpp

@@ -103,6 +103,8 @@ public:
 
     virtual Json::Value getServerVersion();
 
+    virtual Json::Value deleteBlsKey( const std::string& name );
+
     static shared_ptr<string> readFromDb(const string &name, const string &prefix = "");
 
     static void writeDataToDB(const string &Name, const string &value);
@@ -154,6 +156,8 @@ public:
 
     static Json::Value getServerVersionImpl();
 
+    static Json::Value deleteBlsKeyImpl(const std::string& name);
+
     static void printDB();
 
     static int initHttpServer();

sgxwallet_common.h

@@ -80,6 +80,7 @@ extern int autoconfirm;
 #define INVALID_POLY_NAME -11
 #define INVALID_DKG_PARAMS -12
 #define INVALID_SECRET_SHARES_LENGTH -13
+#define INVALID_BLS_NAME -15
 
 #define CERT_REQUEST_DOES_NOT_EXIST -14