avoid panic when mint URL has no '://'

README.md

@@ -6,14 +6,14 @@ install with this one-liner:
 curl -sSL https://raw.githubusercontent.com/fiatjaf/nak/master/install.sh | sh
 ```
 
-- or install with `go install github.com/fiatjaf/nak@latest` if you have [Go](https://pkg.go.dev) set up.
+- or install with `go install github.com/fiatjaf/nak@latest` if you have **Go** set up.
 - or [download a binary](https://github.com/fiatjaf/nak/releases) manually.
 - or get the source with `git clone https://github.com/fiatjaf/nak` then
   - install with `go install`;
   - or run with docker using `docker build -t nak . && docker run nak event`.
 - or install with `brew install nak` if you use **macOS Homebrew**.
 - or install with `paru -S nak-bin` or `yay -S nak-bin` if you are on **Arch Linux**.
-- or install with `nix-env --install ripgrep` if you use **Nix**.
+- or install with `nix-env --install nak` if you use **Nix**.
 
 ## what can you do with it?
 

flags.go

@@ -105,10 +105,10 @@ func (t *naturalTimeValue) Set(value string) error {
 			DefaultTimezone: time.Local,
 			CurrentTime:     time.Now(),
 		}, value)
-		ts = date.Time
 		if err != nil {
 			return err
 		}
+		ts = date.Time
 	}
 
 	if t.timestamp != nil {

helpers.go

@@ -261,7 +261,7 @@ func connectToSingleRelay(
 			for range 5 {
 				if err := relay.Auth(ctx, func(ctx context.Context, authEvent *nostr.Event) error {
 					challengeTag := authEvent.Tags.Find("challenge")
-					if challengeTag[1] == "" {
+					if challengeTag == nil || len(challengeTag) < 2 || challengeTag[1] == "" {
 						return fmt.Errorf("auth not received yet *****") // what a giant hack
 					}
 					return preAuthSigner(ctx, c, logthis, authEvent)

install.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env sh
 set -e
 
-# Detect OS
+# detect OS
 detect_os() {
     case "$(uname -s)" in
         Linux*)     echo "linux";;
@@ -9,65 +9,65 @@ detect_os() {
         FreeBSD*)   echo "freebsd";;
         MINGW*|MSYS*|CYGWIN*) echo "windows";;
         *)
-            echo "Error: Unsupported OS $(uname -s)" >&2
+            echo "error: unsupported OS $(uname -s)" >&2
             exit 1
             ;;
     esac
 }
 
-# Detect architecture
+# detect architecture
 detect_arch() {
     case "$(uname -m)" in
         x86_64|amd64)   echo "amd64";;
         aarch64|arm64)  echo "arm64";;
         riscv64)        echo "riscv64";;
         *)
-            echo "Error: Unsupported architecture $(uname -m)" >&2
+            echo "error: unsupported architecture $(uname -m)" >&2
             exit 1
             ;;
     esac
 }
 
-# Set install directory
+# set install directory
 INSTALL_DIR="${INSTALL_DIR:-$HOME/.local/bin}"
 
-# Detect platform
+# detect platform
 OS=$(detect_os)
 ARCH=$(detect_arch)
 
-echo "Installing nak ($OS-$ARCH) to $INSTALL_DIR..."
+echo "installing nak ($OS-$ARCH) to $INSTALL_DIR..."
 
-# Check if curl is available
-command -v curl >/dev/null 2>&1 || { echo "Error: curl is required" >&2; exit 1; }
+# check if curl is available
+command -v curl >/dev/null 2>&1 || { echo "error: curl is required" >&2; exit 1; }
 
-# Get latest release tag
+# get latest release tag
 RELEASE_INFO=$(curl -s https://api.github.com/repos/fiatjaf/nak/releases/latest)
 TAG="${RELEASE_INFO#*\"tag_name\"}"
 TAG="${TAG#*\"}"
 TAG="${TAG%%\"*}"
 
-[ -z "$TAG" ] && { echo "Error: Failed to fetch release info" >&2; exit 1; }
+[ -z "$TAG" ] && { echo "error: failed to fetch release info" >&2; exit 1; }
 
-# Construct download URL
+# construct download URL
 BINARY_NAME="nak-${TAG}-${OS}-${ARCH}"
 [ "$OS" = "windows" ] && BINARY_NAME="${BINARY_NAME}.exe"
 DOWNLOAD_URL="https://github.com/fiatjaf/nak/releases/download/${TAG}/${BINARY_NAME}"
 
-# Create install directory and download
+# create install directory and download
 mkdir -p "$INSTALL_DIR"
 TARGET_PATH="$INSTALL_DIR/nak"
 [ "$OS" = "windows" ] && TARGET_PATH="${TARGET_PATH}.exe"
 
 if curl -sS -L -f -o "$TARGET_PATH" "$DOWNLOAD_URL"; then
     chmod +x "$TARGET_PATH"
-    echo "Installed nak $TAG to $TARGET_PATH"
-    
-    # Check if install dir is in PATH
+    echo "installed nak $TAG to $TARGET_PATH"
+
+    # check if install dir is in PATH
     case ":$PATH:" in
         *":$INSTALL_DIR:"*) ;;
-        *) echo "Note: Add $INSTALL_DIR to your PATH" ;;
+        *) echo "note: add $INSTALL_DIR to your PATH" ;;
     esac
 else
-    echo "Error: Download failed from $DOWNLOAD_URL" >&2
+    echo "error: download failed from $DOWNLOAD_URL" >&2
     exit 1
 fi

main.go

@@ -127,9 +127,7 @@ func main() {
 	// a megahack to enable this curl command proxy
 	if len(os.Args) > 2 && os.Args[1] == "curl" {
 		if err := realCurl(); err != nil {
-			if err != nil {
-				log(color.YellowString(err.Error()) + "\n")
-			}
+			log(color.YellowString(err.Error()) + "\n")
 			colors.reset()
 			os.Exit(1)
 		}
@@ -137,9 +135,7 @@ func main() {
 	}
 
 	if err := app.Run(context.Background(), os.Args); err != nil {
-		if err != nil {
-			log("%s\n", color.RedString(err.Error()))
-		}
+		log("%s\n", color.RedString(err.Error()))
 		colors.reset()
 		os.Exit(1)
 	}

wallet.go

@@ -139,7 +139,11 @@ var wallet = &cli.Command{
 				}
 
 				for _, url := range w.Mints {
-					stdout(strings.Split(url, "://")[1])
+					if _, host, ok := strings.Cut(url, "://"); ok {
+						stdout(host)
+					} else {
+						stdout(url)
+					}
 				}
 
 				closew()
@@ -195,7 +199,11 @@ var wallet = &cli.Command{
 				}
 
 				for _, token := range w.Tokens {
-					stdout(token.ID(), token.Proofs.Amount(), strings.Split(token.Mint, "://")[1])
+					_, mintHost, _ := strings.Cut(token.Mint, "://")
+					if mintHost == "" {
+						mintHost = token.Mint
+					}
+					stdout(token.ID(), token.Proofs.Amount(), mintHost)
 				}
 
 				closew()
@@ -221,7 +229,11 @@ var wallet = &cli.Command{
 						for _, token := range w.Tokens {
 							if slices.Contains(ids, token.ID()) {
 								w.DropToken(ctx, token.ID())
-								log("dropped %s %d %s\n", token.ID(), token.Proofs.Amount(), strings.Split(token.Mint, "://")[1])
+								_, mintHost, _ := strings.Cut(token.Mint, "://")
+								if mintHost == "" {
+									mintHost = token.Mint
+								}
+								log("dropped %s %d %s\n", token.ID(), token.Proofs.Amount(), mintHost)
 							}
 						}