Remove snippet salt (too complex)

.env.sample

@@ -1,2 +1 @@
 DATABASE_URL="dbname=jqplay sslmode=disable"
-SNIPPET_SALT=1234

config/config.go

@@ -10,7 +10,6 @@ type Config struct {
 	Port        string `env:"PORT,default=3000"`
 	GinMode     string `env:"GIN_MODE,default=debug"`
 	DatabaseURL string `env:"DATABASE_URL,required"`
-	SnippetSalt string `env:"SNIPPET_SALT,required"`
 	AssetHost   string `env:"ASSET_HOST"`
 	JQVer       string
 }

server/db.go

@@ -48,22 +48,21 @@ func ToJQ(s *Snippet) *jq.JQ {
 	}
 }
 
-func ConnectDB(url, salt string) (*DB, error) {
+func ConnectDB(url string) (*DB, error) {
 	db, err := sqlx.Connect("postgres", url)
 	if err != nil {
 		return nil, err
 	}
 
-	return &DB{DB: db, salt: salt}, nil
+	return &DB{db}, nil
 }
 
 type DB struct {
 	*sqlx.DB
-	salt string
 }
 
 func (db *DB) UpsertSnippet(s *Snippet) (string, error) {
-	slug := db.slug(s)
+	slug := slug(s)
 	_, err := db.NamedExec(upsertSnippetQuery,
 		map[string]interface{}{
 			"slug": slug,
@@ -82,9 +81,8 @@ func (db *DB) GetSnippet(id string) (*Snippet, error) {
 	return &s, err
 }
 
-func (db *DB) slug(s *Snippet) string {
+func slug(s *Snippet) string {
 	h := sha1.New()
-	io.WriteString(h, db.salt)
 	io.WriteString(h, s.J)
 	io.WriteString(h, s.Q)
 	io.WriteString(h, s.O)

server/server.go

@@ -20,7 +20,7 @@ type Server struct {
 }
 
 func (s *Server) Start() error {
-	db, err := ConnectDB(s.Config.DatabaseURL, s.Config.SnippetSalt)
+	db, err := ConnectDB(s.Config.DatabaseURL)
 	if err != nil {
 		return err
 	}