fix popping blocks

https://github.com/moneroexamples/onion-monero-blockchain-explorer/issues/119

README.md

@@ -55,6 +55,7 @@ Alternative block explorers:
 
 - [http://moneroblocks.info](http://moneroblocks.info/)
 - [https://monerobase.com](https://monerobase.com/)
+- [https://monerovision.com](https://monerovision.com)
 - [http://chainradar.com](http://chainradar.com/xmr/blocks)
 
 

main.cpp

@@ -158,7 +158,7 @@ main(int ac, const char* av[])
 
     // initialize mcore and core_storage
     if (!xmreg::init_blockchain(blockchain_path.string(),
-                               mcore, core_storage))
+                               mcore, core_storage, nettype))
     {
         cerr << "Error accessing blockchain." << endl;
         return EXIT_FAILURE;

src/MicroCore.cpp

@@ -45,31 +45,20 @@ MicroCore::MicroCore():
  * Initialize m_blockchain_storage with the BlockchainLMDB object.
  */
 bool
-MicroCore::init(const string& _blockchain_path)
+MicroCore::init(const string& _blockchain_path, network_type nt)
 {
     int db_flags = 0;
 
     blockchain_path = _blockchain_path;
 
-    //db_flags |= MDB_RDONLY;
+    nettype = nt;
+
+    db_flags |= MDB_RDONLY;
     db_flags |= MDB_NOLOCK;
-    //db_flags |= MDB_SYNC;
-
-    // uint64_t DEFAULT_FLAGS = MDB_NOMETASYNC | MDB_NORDAHEAD;
-
-    //db_flags = DEFAULT_FLAGS;
-
-    HardFork* m_hardfork = nullptr;
 
     BlockchainDB* db = nullptr;
     db = new BlockchainLMDB();
 
-    bool use_testnet {false};
-
-    uint64_t hard_fork_version_1_till = use_testnet ? testnet_hard_fork_version_1_till : mainnet_hard_fork_version_1_till;
-
-    m_hardfork = new HardFork(*db, 1, hard_fork_version_1_till);
-
     try
     {
         // try opening lmdb database files
@@ -84,13 +73,11 @@ MicroCore::init(const string& _blockchain_path)
     // check if the blockchain database
     // is successful opened
     if(!db->is_open())
-    {
         return false;
-    }
 
     // initialize Blockchain object to manage
     // the database.
-    return m_blockchain_storage.init(db, m_hardfork, network_type::MAINNET);
+    return m_blockchain_storage.init(db, nettype);
 }
 
 /**
@@ -337,11 +324,12 @@ MicroCore::~MicroCore()
 bool
 init_blockchain(const string& path,
                 MicroCore& mcore,
-                Blockchain*& core_storage)
+                Blockchain*& core_storage,
+                network_type nt)
 {
 
     // initialize the core using the blockchain path
-    if (!mcore.init(path))
+    if (!mcore.init(path, nt))
     {
         cerr << "Error accessing blockchain." << endl;
         return false;

src/MicroCore.h

@@ -33,11 +33,13 @@ namespace xmreg
 
         hw::device* m_device;
 
+        network_type nettype;
+
     public:
         MicroCore();
 
         bool
-        init(const string& _blockchain_path);
+        init(const string& _blockchain_path, network_type nt);
 
         Blockchain&
         get_core();
@@ -77,11 +79,11 @@ namespace xmreg
 
 
 
-
     bool
     init_blockchain(const string& path,
                     MicroCore& mcore,
-                    Blockchain*& core_storage);
+                    Blockchain*& core_storage,
+                    network_type nt);
 
 
 }