kademlia random walk method (#245)

Signed-off-by: turuslan <[email protected]>

Author: turuslan

cmake/Hunter/init.cmake

@@ -31,7 +31,7 @@ set(
 include(${CMAKE_CURRENT_LIST_DIR}/HunterGate.cmake)
 
 HunterGate(
-    URL  https://github.com/qdrvm/hunter/archive/refs/tags/v0.25.3-qdrvm6.zip
-    SHA1 5a911c0b567aba49a7140c1d2fe0e4b6769d070f
+    URL  https://github.com/qdrvm/hunter/archive/refs/tags/v0.25.3-qdrvm9.zip
+    SHA1 7f3f8ee341aaac8c400e776c8a9f28e8fc458296
     LOCAL
 )

include/libp2p/protocol/kademlia/impl/kademlia_impl.hpp

@@ -114,7 +114,7 @@ namespace libp2p::protocol::kademlia {
     std::shared_ptr<FindPeerExecutor> createFindPeerExecutor(
         PeerId peer_id, FoundPeerInfoHandler handler) override;
 
-    outcome::result<void> findRandomPeer();
+    outcome::result<void> findRandomPeer() override;
     void randomWalk();
 
     // --- Primary (Injected) ---

include/libp2p/protocol/kademlia/peer_routing.hpp

@@ -26,6 +26,9 @@ namespace libp2p::protocol::kademlia {
     /// with relevant addresses.
     virtual outcome::result<void> findPeer(const PeerId &peer_id,
                                            FoundPeerInfoHandler handler) = 0;
+
+    /// Random walk step. Calls `findPeer` with random bytes as key.
+    virtual outcome::result<void> findRandomPeer() = 0;
   };
 
 }  // namespace libp2p::protocol::kademlia

src/protocol/kademlia/impl/kademlia_impl.cpp

@@ -533,8 +533,6 @@ namespace libp2p::protocol::kademlia {
   }
 
   outcome::result<void> KademliaImpl::findRandomPeer() {
-    BOOST_ASSERT(config_.randomWalk.enabled);
-
     common::Hash256 hash;
     random_generator_->fillRandomly(hash);