net/settings: Increase ping timeout to 30s

src/net/settings.rs

@@ -89,7 +89,7 @@ impl Default for Settings {
             manual_attempt_limit: 0,
             outbound_connect_timeout: 15,
             channel_handshake_timeout: 10,
-            channel_heartbeat_interval: 10,
+            channel_heartbeat_interval: 30,
             localnet: false,
             hosts_quarantine_limit: 50,
             outbound_peer_discovery_cooloff_time: 30,
@@ -199,7 +199,7 @@ impl From<SettingsOpt> for Settings {
             manual_attempt_limit: opt.manual_attempt_limit.unwrap_or(0),
             outbound_connect_timeout: opt.outbound_connect_timeout.unwrap_or(15),
             channel_handshake_timeout: opt.channel_handshake_timeout.unwrap_or(10),
-            channel_heartbeat_interval: opt.channel_heartbeat_interval.unwrap_or(10),
+            channel_heartbeat_interval: opt.channel_heartbeat_interval.unwrap_or(30),
             localnet: opt.localnet,
             hosts_quarantine_limit: opt.hosts_quarantine_limit.unwrap_or(15),
             outbound_peer_discovery_cooloff_time: opt