tiny spark

config/config.go

@@ -0,0 +1,49 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	BreezAPIKey  string
+	BreezMnemonic string
+	BreezNetwork string
+	BreezWorkingDir string
+}
+
+// LoadConfig loads configuration from environment variables
+func LoadConfig() (*Config, error) {
+	// Try to load .env file, but don't fail if it doesn't exist
+	if err := godotenv.Load(); err != nil {
+		fmt.Printf("Warning: Could not load .env file: %v\n", err)
+		fmt.Println("Using environment variables from system")
+	}
+
+	config := &Config{
+		BreezAPIKey:     getEnv("BREEZ_API_KEY", ""),
+		BreezMnemonic:   getEnv("BREEZ_MNEMONIC", ""),
+		BreezNetwork:    getEnv("BREEZ_NETWORK", "mainnet"),
+		BreezWorkingDir: getEnv("BREEZ_WORKING_DIR", getEnv("BREEZ_DATA_DIR", ".tiny-spark-data")),
+	}
+
+	// Validate only required fields
+	if config.BreezAPIKey == "" {
+		return nil, fmt.Errorf("BREEZ_API_KEY is required")
+	}
+	if config.BreezMnemonic == "" {
+		return nil, fmt.Errorf("BREEZ_MNEMONIC is required")
+	}
+
+	return config, nil
+}
+
+// getEnv gets an environment variable with a default value
+func getEnv(key, defaultValue string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return defaultValue
+}