Rewrite

sql/00002.sql

@@ -1,17 +1,19 @@
-ALTER TABLE node ADD COLUMN updated TIMESTAMP NOT NULL DEFAULT NOW();
-
-CREATE OR REPLACE FUNCTION node_update_timestamp()
-RETURNS TRIGGER
-LANGUAGE PLPGSQL
-AS $$
+CREATE FUNCTION public.password_hash(salt_hex char(32), pass bytea)
+RETURNS char(96)
+LANGUAGE plpgsql
+AS
+$$
 BEGIN
-	IF NEW.updated = OLD.updated THEN
-		UPDATE node SET updated = NOW() WHERE id=NEW.id;
-	END IF;
-	RETURN NEW;
+	RETURN (
+		SELECT
+			salt_hex ||
+			encode(
+				sha256(
+					decode(salt_hex, 'hex') || /* salt in binary */
+					pass                       /* password */
+				),
+				'hex'
+			)
+	);
 END;
 $$;
-
-CREATE OR REPLACE TRIGGER node_update AFTER UPDATE ON node
-FOR EACH ROW
-EXECUTE PROCEDURE node_update_timestamp()