faucet: add command line option to denote chain of lnd node

faucet.go

@@ -113,14 +113,16 @@ type lightningFaucet struct {
 
 	templates *template.Template
 
+	network string
+
 	openChanMtx  sync.RWMutex
 	openChannels map[wire.OutPoint]time.Time
 }
 
 // newLightningFaucet creates a new channel faucet that's bound to a cluster of
 // lnd nodes, and uses the passed templates to render the web page.
 func newLightningFaucet(lndHost string,
-	templates *template.Template) (*lightningFaucet, error) {
+	templates *template.Template, network string) (*lightningFaucet, error) {
 
 	// First attempt to establish a connection to lnd's RPC sever.
 	opts := []grpc.DialOption{grpc.WithInsecure()}
@@ -137,6 +139,7 @@ func newLightningFaucet(lndHost string,
 	return &lightningFaucet{
 		lnd:       lnd,
 		templates: templates,
+		network:   network,
 	}, nil
 }
 
@@ -317,6 +320,9 @@ type homePageContext struct {
 	// NumConfs is the number of confirmations required for the channel to
 	// open up.
 	NumConfs uint32
+
+	// Network is the network the faucet is running on.
+	Network string
 }
 
 // fetchHomeState is helper functions that populates the homePageContext with

main.go

@@ -52,6 +52,11 @@ var (
 	// work.
 	domain = flag.String("domain", "faucet.lightning.community", "the "+
 		"domain of the faucet, required for TLS")
+
+	// network is the network the faucet is running on. This value must
+	// either be "litecoin" or "bitcoin".
+	network = flag.String("network", "bitcoin", "the network of the "+
+		"faucet")
 )
 
 // equal reports whether the first argument is equal to any of the remaining
@@ -95,7 +100,7 @@ func main() {
 		ParseGlob(templateGlobPattern))
 
 	// With the templates loaded, create the faucet itself.
-	faucet, err := newLightningFaucet(*lndNodes, faucetTemplates)
+	faucet, err := newLightningFaucet(*lndNodes, faucetTemplates, *network)
 	if err != nil {
 		log.Fatalf("unable to create faucet: %v", err)
 		return

static/index.html

@@ -5,7 +5,7 @@
   <div class="col m3"> </div>
   <div class="center col s12 m6">
       <a href="/">
-          <h1 id="title" class="flow-text">Testnet Lightning Network Faucet</h1>
+          <h1 id="title" class="flow-text">{{ if eq .Network "bitcoin" }} Bitcoin {{else}} Litecoin {{end}} Testnet Lightning Network Faucet</h1>
       </a>
       <ul class="collection">
           <li class="collection-item">{{ .NodeAddr }}</li>
@@ -21,7 +21,7 @@ <h1 id="title" class="flow-text">Testnet Lightning Network Faucet</h1>
   <div class="center col m6">
       <div class="chan-form card-panel hoverable">
           {{if eq .ChannelTxid ""}}
-              <h6 class="flow-text">{{ .NumCoins }} BTC are available for channel creation. </h6>
+          <h6 class="flow-text">{{ .NumCoins }} {{ if eq .Network "bitcoin" }} BTC {{else}} LTC {{end}} are available for channel creation. </h6>
               <h6 class="flow-text">The faucet has {{ .NumChannels }} active {{if eq .NumChannels 1}} channel {{else}} channels {{end}} on the network. </h6>
               <h6 class="flow-text">The max channel size is 4 million satoshis. </h6>