Merge branch 'main' of github.com:filecoin-project/saturn-l2 into main

.gitignore

@@ -14,4 +14,6 @@
 # Dependency directories (remove the comment below to include it)
 # vendor/
 
-dist/
+# Resources directory
+resources
+!resources/resources.go

README.md

@@ -105,6 +105,7 @@ WebUI: http://localhost:52860/webui
 
 ```
 
+If you want to connect to `WebUI`, also run `./scripts/download-webui.sh`.
 
 Note that the the Saturn L2 node only binds to the **localhost** loopback network interface and so will only be reachable from the same machine.
 In the above snippet, `52860` is the port that the Saturn L2 node binds to on the localhost interface. This port can be configured using the `PORT` environment variable as mentioned above.

cmd/saturn-l2/main.go

@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
+	"runtime"
 	"strconv"
 	"strings"
 	"time"
@@ -148,10 +149,10 @@ func mkConfig() (config, error) {
 	// parse FIL address
 	filAddr := os.Getenv(FIL_ADDRESS_VAR)
 	if filAddr == "" {
-		return config{}, errors.New("No FIL_WALLET_ADDRESS provided. Please set the environment variable.\n")
+		return config{}, fmt.Errorf("No %s provided. Please set the environment variable.\n", FIL_ADDRESS_VAR)
 	}
 	if _, err := address.NewFromString(filAddr); err != nil {
-		return config{}, fmt.Errorf("Invalid FIL_WALLET_ADDRESS format: %w", err)
+		return config{}, fmt.Errorf("Invalid %s format: %w", FIL_ADDRESS_VAR, err)
 	}
 
 	// parse max disk space
@@ -170,10 +171,11 @@ func mkConfig() (config, error) {
 		}
 	}
 
-	rootDirStr := os.Getenv(ROOT_DIR_ENV_VAR)
-	if rootDirStr == "" {
-		return config{}, errors.New("No ROOT_DIR provided. Please set the environment variable.")
+	rootDirStr, err := getRootDir()
+	if err != nil {
+		return config{}, err
 	}
+	fmt.Printf("Using root dir %s\n", rootDirStr)
 
 	return config{
 		Port:         port,
@@ -283,3 +285,24 @@ func newDatastore(dir string) (ds.Batching, error) {
 	}
 	return dstore, nil
 }
+
+func getRootDir() (string, error) {
+	if dir := os.Getenv(ROOT_DIR_ENV_VAR); dir != "" {
+		abs, _ := filepath.Abs(dir)
+		return abs, nil
+	}
+
+	if runtime.GOOS == "windows" {
+		if localAppData := os.Getenv("LOCALAPPDATA"); localAppData != "" {
+			return localAppData + "/saturn", nil
+		}
+
+		return "", errors.New("invalid Windows environment: LOCALAPPDATA is not set")
+	}
+
+	if home := os.Getenv("HOME"); home != "" {
+		return home + "/.saturn", nil
+	}
+
+	return "", errors.New("invalid environment: HOME is not set")
+}

scripts/download-webui.sh

@@ -7,7 +7,7 @@ echo "⇣ Downloading webui dist to $OUTDIR ⇣"
 mkdir -p $OUTDIR
 
 # Downloads latest release
-url=$(curl -s https://api.github.com/repos/filecoin-project/saturn-webui/releases/latest | \
+url=$(curl -s https://api.github.com/repos/filecoin-saturn/saturn-webui/releases/latest | \
     jq -r '.assets[] | select(.name|match("saturn-webui.tar.gz$")) | .browser_download_url')
 
 curl -L $url | tar -zx -C $OUTDIR