distinguish between seeds and manual peers in the config/flags

- we only use seeds if we can’t connect to peers in the addrbook.
- we always connect to nodes given in config/flags

Refs #864

config/config.go

@@ -170,7 +170,7 @@ type RPCConfig struct {
 	// NOTE: This server only supports /broadcast_tx_commit
 	GRPCListenAddress string `mapstructure:"grpc_laddr"`
 
-	// Activate unsafe RPC commands like /dial_seeds and /unsafe_flush_mempool
+	// Activate unsafe RPC commands like /dial_manual_peers and /unsafe_flush_mempool
 	Unsafe bool `mapstructure:"unsafe"`
 }
 
@@ -203,8 +203,13 @@ type P2PConfig struct {
 	ListenAddress string `mapstructure:"laddr"`
 
 	// Comma separated list of seed nodes to connect to
+	// We only use these if we can’t connect to peers in the addrbook
 	Seeds string `mapstructure:"seeds"`
 
+	// Comma separated list of manual peers to connect to
+	// We always connect to these
+	ManualPeers string `mapstructure:"manual_peers"`
+
 	// Skip UPNP port forwarding
 	SkipUPNP bool `mapstructure:"skip_upnp"`
 

config/toml.go

@@ -42,6 +42,7 @@ laddr = "tcp://0.0.0.0:46657"
 [p2p]
 laddr = "tcp://0.0.0.0:46656"
 seeds = ""
+manual_peers = ""
 `
 
 func defaultConfig(moniker string) string {
@@ -106,6 +107,7 @@ laddr = "tcp://0.0.0.0:36657"
 [p2p]
 laddr = "tcp://0.0.0.0:36656"
 seeds = ""
+manual_peers = ""
 `
 
 func testConfig(moniker string) (testConfig string) {