feat(p2p): add p2p advertising option (#862)

Co-authored-by: Michael Tsitrin <[email protected]>

config/defaults.go

@@ -42,6 +42,7 @@ func DefaultConfig(home, chainId string) *NodeConfig {
 			BootstrapRetryTime:      30 * time.Second,
 			ListenAddress:           DefaultListenAddress,
 			BootstrapNodes:          "",
+			AdvertisingEnabled:      true,
 		},
 	}
 

config/p2p.go

@@ -15,6 +15,8 @@ type P2PConfig struct {
 	GossipedBlocksCacheSize int `mapstructure:"p2p_gossiped_blocks_cache_size"`
 	// Time interval a node tries to bootstrap again, in case no nodes connected
 	BootstrapRetryTime time.Duration `mapstructure:"p2p_bootstrap_retry_time"`
+	// Param used to enable the advertisement of the node to be part of the P2P network in the DHT
+	AdvertisingEnabled bool `mapstructure:"p2p_advertising_enabled"`
 }
 
 // Validate P2PConfig

config/toml.go

@@ -100,6 +100,9 @@ p2p_gossiped_blocks_cache_size = {{ .P2PConfig.GossipedBlocksCacheSize }}
 # time interval to check if no p2p nodes are connected to bootstrap again
 p2p_bootstrap_retry_time = "{{ .P2PConfig.BootstrapRetryTime }}"
 
+# set to false to disable advertising the node to the P2P network
+p2p_advertising_enabled= "{{ .P2PConfig.AdvertisingEnabled }}"
+
 #celestia config example:
 # da_config = "{\"base_url\":\"http:\/\/127.0.0.1:26658\",\"timeout\":5000000000,\"gas_prices\":0.1,\"auth_token\":\"TOKEN\",\"backoff\":{\"initial_delay\":6000000000,\"max_delay\":6000000000,\"growth_factor\":2},\"retry_attempts\":4,\"retry_delay\":3000000000}"
 # Avail config example:

p2p/client.go

@@ -264,9 +264,11 @@ func (c *Client) peerDiscovery(ctx context.Context) error {
 		return err
 	}
 
-	err = c.advertise(ctx)
-	if err != nil {
-		return err
+	if c.conf.AdvertisingEnabled {
+		err = c.advertise(ctx)
+		if err != nil {
+			return err
+		}
 	}
 
 	err = c.findPeers(ctx)