fix minor issues according to the review

Author: tok-kkk

cmd/provider/aws_template.go

@@ -164,7 +164,7 @@ resource "aws_instance" "darknode" {
       "mv $HOME/config.json $HOME/.darknode/config.json",
 	  "curl -sL https://www.github.com/renproject/darknode-release/releases/latest/download/darknode > ~/.darknode/bin/darknode",
 	  "chmod +x ~/.darknode/bin/darknode",
-      "echo {{.LatestVersion}} > ~/.darknode/version.md",
+      "echo {{.LatestVersion}} > ~/.darknode/version",
 	  <<EOT
 	  echo "{{.ServiceFile}}" > ~/.config/systemd/user/darknode.service
       EOT

cmd/provider/do_template.go

@@ -115,7 +115,7 @@ resource "digitalocean_droplet" "darknode" {
       "mv $HOME/config.json $HOME/.darknode/config.json",
 	  "curl -sL https://www.github.com/renproject/darknode-release/releases/latest/download/darknode > ~/.darknode/bin/darknode",
 	  "chmod +x ~/.darknode/bin/darknode",
-      "echo {{.LatestVersion}} > ~/.darknode/version.md",
+      "echo {{.LatestVersion}} > ~/.darknode/version",
 	  <<EOT
 	  echo "{{.ServiceFile}}" > ~/.config/systemd/user/darknode.service
       EOT

cmd/provider/gcp_template.go

@@ -161,7 +161,7 @@ resource "google_compute_instance" "darknode" {
       "mv $HOME/config.json $HOME/.darknode/config.json",
 	  "curl -sL https://www.github.com/renproject/darknode-release/releases/latest/download/darknode > ~/.darknode/bin/darknode",
 	  "chmod +x ~/.darknode/bin/darknode",
-      "echo {{.LatestVersion}} > ~/.darknode/version.md",
+      "echo {{.LatestVersion}} > ~/.darknode/version",
 	  <<EOT
 	  echo "{{.ServiceFile}}" > ~/.config/systemd/user/darknode.service
       EOT

cmd/provider/provider.go

@@ -33,7 +33,7 @@ var (
 )
 
 var darknodeService = `[Unit]
-Description=Republic Protocol's Darknode Daemon
+Description=RenVM Darknode Daemon
 AssertPathExists=$HOME/.darknode
 
 [Service]

cmd/update.go

@@ -70,7 +70,7 @@ cp -a ~/.darknode/db/. ~/.darknode/db_bak/ &&
 ~/.darknode/bin/migration &&
 rm -rf ~/.darknode/db &&
 mv ~/.darknode/db_bak ~/.darknode/db &&
-echo %v > ~/.darknode/version.md &&
+echo %v > ~/.darknode/version &&
 systemctl --user restart darknode`, url, url, ver)
 		err = util.RemoteRun(name, script)
 		if err != nil {

darknode/network.go

@@ -43,47 +43,6 @@ func NewNetwork(network string) (Network, error) {
 	}
 }
 
-// // PublicKey returns the public key of .
-// func (network Network) PublicKey() ecdsa.PublicKey {
-// 	var x *big.Int
-// 	var xOk bool
-// 	switch network {
-// 	case Mainnet:
-// 		panic("unimplemented")
-// 	case Chaosnet:
-// 		x, xOk = big.NewInt(0).SetString("54769503130895894163949174470748707835675520766218565814337221309492303621497", 10)
-// 	case Testnet:
-// 		x, xOk = big.NewInt(0).SetString("6258831358146983420781042002047732738577946776960027585197438124940321371484", 10)
-// 	case Devnet:
-// 		x, xOk = big.NewInt(0).SetString("15988544014143623672381260113528425219902628559557338422452853193412094205021", 10)
-// 	}
-// 	if !xOk {
-// 		panic("invalid x for shared public key")
-// 	}
-//
-// 	var y *big.Int
-// 	var yOk bool
-// 	switch network {
-// 	case Mainnet:
-// 		panic("unimplemented")
-// 	case Chaosnet:
-// 		y, yOk = big.NewInt(0).SetString("87745967375764291795837331450616094559320177780884666147029497390497322495569", 10)
-// 	case Testnet:
-// 		y, yOk = big.NewInt(0).SetString("22471449852503869623778529670369476102885501157580830978857986155713794677963", 10)
-// 	case Devnet:
-// 		y, yOk = big.NewInt(0).SetString("18856215896348556820657579775929067367606870869895908607019381042047463166252", 10)
-// 	}
-// 	if !yOk {
-// 		panic("invalid y for shared public key")
-// 	}
-//
-// 	return ecdsa.PublicKey{
-// 		Curve: btcec.S256(),
-// 		X:     x,
-// 		Y:     y,
-// 	}
-// }
-
 func (network Network) BootstrapNodes() []addr.MultiAddress {
 	bootstraps := make([]addr.MultiAddress, 0, 16)
 	switch network {

util/node.go

@@ -83,7 +83,7 @@ func IP(name string) (string, error) {
 
 // Version gets the version of the software the darknode currently is running.
 func Version(name string) (string, error) {
-	script := "cat ~/.darknode/version.md"
+	script := "cat ~/.darknode/version"
 	version, err := RemoteOutput(name, script)
 	if err != nil {
 		return "0.0.0", err