diff --git a/CMakeLists.txt b/CMakeLists.txt
index bd97cb8ba9..6d4b64a176 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,8 +17,8 @@ set(
 
 include("cmake/Hunter/init.cmake")
 HunterGate(
-    URL  "https://github.com/soramitsu/soramitsu-hunter/archive/tags/v0.23.257-soramitsu16.tar.gz"
-    SHA1 "64a1180e8cbeb98d2cfd786bfb725dcdc81d8fa9"
+    URL  "https://github.com/soramitsu/soramitsu-hunter/archive/v0.23.257-soramitsu23.tar.gz"
+    SHA1 "f42cec23fced76800b87191525ee1fa6f9c088a5"
     LOCAL
 )
 
diff --git a/core/miner/mining.cpp b/core/miner/mining.cpp
index 5fd0ac7a3d..66ca4ad42d 100644
--- a/core/miner/mining.cpp
+++ b/core/miner/mining.cpp
@@ -10,12 +10,21 @@
 #include "vm/actor/builtin/types/market/policy.hpp"
 #include "vm/runtime/pricelist.hpp"
 
-#define OUTCOME_LOG(tag, r)                               \
+#define OUTCOME_TRY_LOG(tag, r)                           \
   {                                                       \
     auto &&_r{r};                                         \
     if (!_r) {                                            \
       spdlog::error("{}: {}", tag, _r.error().message()); \
-      return;                                             \
+      return _r.error();                                  \
+    }                                                     \
+  }
+
+#define OUTCOME_REBOOT(base, tag, r, time)                \
+  {                                                       \
+    auto &&_r{r};                                         \
+    if (!_r) {                                            \
+      spdlog::error("{}: {}", tag, _r.error().message()); \
+      return base->reboot(time);                          \
     }                                                     \
   }
 
@@ -36,6 +45,7 @@ namespace fc::mining {
     mining->prover = std::move(prover);
     mining->miner = miner;
     mining->block_delay = version.block_delay;
+    mining->sleep_time = 5;
     mining->propagation =
         std::min<uint64_t>(kPropagationDelaySecs, mining->block_delay * 3 / 10);
     return mining;
@@ -45,33 +55,53 @@ namespace fc::mining {
     waitParent();
   }
 
+  void Mining::reboot(uint64_t time) {
+    wait(time, false, [weak{weak_from_this()}] {
+      if (auto self{weak.lock()}) {
+        self->waitParent();
+      }
+    });
+  }
+
   void Mining::waitParent() {
-    OUTCOME_LOG("Mining::waitParent error", bestParent());
-    wait(ts->getMinTimestamp() + propagation, true, [this] {
-      OUTCOME_LOG("Mining::waitBeacon error", waitBeacon());
+    OUTCOME_REBOOT(this, "Mining::waitParent error", bestParent(), 5);
+    wait(ts->getMinTimestamp() + propagation, true, [weak{weak_from_this()}] {
+      if (auto self{weak.lock()}) {
+        self->waitBeacon();
+      }
     });
   }
 
-  outcome::result<void> Mining::waitBeacon() {
+  void Mining::waitBeacon() {
     api->BeaconGetEntry(
-        [self{shared_from_this()}](auto beacon) {
-          OUTCOME_LOG("Mining::waitBeacon error", beacon);
-          OUTCOME_LOG("Mining::waitInfo error", self->waitInfo());
+        [weak{weak_from_this()}](auto beacon) {
+          if (auto self{weak.lock()}) {
+            OUTCOME_REBOOT(self, "Mining::waitBeacon error", beacon, 1);
+            OUTCOME_REBOOT(self, "Mining::waitInfo error", self->waitInfo(), 1);
+          }
         },
         height());
-    return outcome::success();
   }
 
   outcome::result<void> Mining::waitInfo() {
     OUTCOME_TRY(bestParent());
-    if (!mined.emplace(ts->key, skip).second) {
-      wait(block_delay, false, [this] { waitParent(); });
+    auto maybe_mined = std::make_pair(ts->key, skip);
+    if (last_mined == maybe_mined) {
+      wait(block_delay, false, [weak{weak_from_this()}] {
+        if (auto self{weak.lock()}) {
+          self->waitParent();
+        }
+      });
     } else {
       api->MinerGetBaseInfo(
-          [self{shared_from_this()}](auto _info) {
-            OUTCOME_LOG("Mining::waitInfo error", _info);
-            self->info = std::move(_info.value());
-            OUTCOME_LOG("Mining::prepare error", self->prepare());
+          [weak{weak_from_this()}, mined{std::move(maybe_mined)}](auto _info) {
+            if (auto self{weak.lock()}) {
+              OUTCOME_REBOOT(self, "Mining::waitInfo error", _info, 1);
+              self->info = std::move(_info.value());
+              OUTCOME_REBOOT(self, "Mining::prepare error", self->prepare(), 1);
+
+              self->last_mined = mined;
+            }
           },
           miner,
           height(),
@@ -85,12 +115,18 @@ namespace fc::mining {
     auto time{ts->getMinTimestamp() + (skip + 1) * block_delay};
     if (block1) {
       block1->timestamp = time;
-      wait(time, true, [this, block1{std::move(*block1)}]() {
-        OUTCOME_LOG("Mining::submit error", submit(block1));
+      wait(time, true, [weak{weak_from_this()}, block1{std::move(*block1)}]() {
+        if (auto self{weak.lock()}) {
+          OUTCOME_REBOOT(self, "Mining::submit error", self->submit(block1), 1);
+        }
       });
     } else {
       ++skip;
-      wait(time + propagation, true, [this] { waitParent(); });
+      wait(time + propagation, true, [weak{weak_from_this()}] {
+        if (auto self{weak.lock()}) {
+          self->waitParent();
+        }
+      });
     }
     return outcome::success();
   }
@@ -128,10 +164,6 @@ namespace fc::mining {
     if (abs) {
       sec -= clock->nowUTC().count();
     }
-    cb = [cb{std::move(cb)}, self{shared_from_this()}] {
-      // stop condition or weak_ptr
-      cb();
-    };
     scheduler->schedule(std::move(cb),
                         std::chrono::seconds{std::max<uint64_t>(0, sec)});
   }
diff --git a/core/miner/mining.hpp b/core/miner/mining.hpp
index f8bf0f1ce2..51e77f1dd9 100644
--- a/core/miner/mining.hpp
+++ b/core/miner/mining.hpp
@@ -43,7 +43,8 @@ namespace fc::mining {
         const Address &miner);
     void start();
     void waitParent();
-    outcome::result<void> waitBeacon();
+    void reboot(uint64_t time);
+    void waitBeacon();
     outcome::result<void> waitInfo();
     outcome::result<void> prepare();
     outcome::result<void> submit(const BlockTemplate &block1);
@@ -58,12 +59,12 @@ namespace fc::mining {
     std::shared_ptr<Prover> prover;
     Address miner;
     uint64_t block_delay{0};
+    uint64_t sleep_time{0};
     uint64_t propagation{0};
     boost::optional<Tipset> ts;
     BigInt weight;
     size_t skip{};
-    // TODO(turuslan): FIL-420 check cache memory usage
-    std::unordered_set<std::pair<TipsetKey, size_t>, pair_hash> mined;
+    std::pair<TipsetKey, size_t> last_mined;
     boost::optional<MiningBaseInfo> info;
   };