Make RPC client try more (#2996)

CHANGELOG.md

@@ -24,6 +24,7 @@ attribute, which is used for container domain name in NNS contracts (#2954)
 - Structure table in the SN-configuration document (#2974)
 - False negative connection to NeoFS chain in multi-endpoint setup with at least one live node (#2986)
 - Overriding the default container and object attributes only with the appropriate flags (#2985)
+- RPC client reconnection failures leading to complete SN failure (#2797)
 
 ### Changed
 - `ObjectService`'s `Put` RPC handler caches up to 10K lists of per-object sorted container nodes (#2901)

cmd/neofs-node/config.go

@@ -668,9 +668,6 @@ func initBasics(c *cfg, key *keys.PrivateKey, stateStorage *state.PersistentStor
 				c.internalErr <- fmt.Errorf("restarting after morph connection was lost: %w", err)
 			}
 		}),
-		client.WithConnLostCallback(func() {
-			c.internalErr <- errors.New("morph connection has been lost")
-		}),
 		client.WithMinRequiredBlockHeight(fromSideChainBlock),
 	)
 	if err != nil {

pkg/innerring/innerring.go

@@ -1077,9 +1077,6 @@ func (s *Server) createClient(ctx context.Context, p chainParams, errChan chan<-
 				errChan <- fmt.Errorf("internal services' restart after RPC reconnection to the %s: %w", p.name, err)
 			}
 		}),
-		client.WithConnLostCallback(func() {
-			errChan <- fmt.Errorf("%s chain connection has been lost", p.name)
-		}),
 		client.WithMinRequiredBlockHeight(p.from),
 	}
 	if p.withAutoSidechainScope {