diff --git a/src/zagr/accumulatorcheckpoints.json.h b/src/zagr/accumulatorcheckpoints.json.h
new file mode 100644
index 00000000..f03d81f3
--- /dev/null
+++ b/src/zagr/accumulatorcheckpoints.json.h
@@ -0,0 +1,21 @@
+// Copyright (c) 2018 The PIVX developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef Agrarian_ACCUMULATORCHECKPOINTS_H
+#define Agrarian_ACCUMULATORCHECKPOINTS_H
+
+#include <libzerocoin/bignum.h>
+#include <univalue/include/univalue.h>
+
+namespace AccumulatorCheckpoints
+{
+    typedef std::map<libzerocoin::CoinDenomination, CBigNum> Checkpoint;
+    extern std::map<int, Checkpoint> mapCheckpoints;
+
+    UniValue read_json(const std::string& jsondata);
+    bool LoadCheckpoints(const std::string& strNetwork);
+    Checkpoint GetClosestCheckpoint(const int& nHeight, int& nHeightCheckpoint);
+}
+
+#endif //Agrarian_ACCUMULATORCHECKPOINTS_H
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