fix up structure

lib/config/bootstrap.go

@@ -1,5 +1,23 @@
 package config
 
-type BootstrapConfig struct {
-	LowPeerThreshold int
+// configuration for 1 reseed server
+type ReseedConfig struct {
+	// url of reseed server
+	Url string
+	// fingerprint of reseed su3 signing key
+	SU3Fingerprint string
+}
+
+type BootstrapConfig struct {
+	// if we have less than this many peers we should reseed
+	LowPeerThreshold int
+	// reseed servers
+	ReseedServers []*ReseedConfig
+}
+
+// default configuration for network bootstrap
+var DefaultBootstrapConfig = BootstrapConfig{
+	LowPeerThreshold: 10,
+	// TODO: add reseed servers
+	ReseedServers: []*ReseedConfig{},
 }