unified code verification service

api/pkg/db/verification/errors.go

@@ -6,9 +6,12 @@ import (
 )
 
 var (
-	ErrTokenNotFound    = errors.New("vtNotFound")
-	ErrTokenAlreadyUsed = errors.New("vtAlreadyUsed")
-	ErrTokenExpired     = errors.New("vtExpired")
+	ErrTokenNotFound         = errors.New("vtNotFound")
+	ErrTokenAlreadyUsed      = errors.New("vtAlreadyUsed")
+	ErrTokenExpired          = errors.New("vtExpired")
+	ErrTokenAttemptsExceeded = errors.New("vtAttemptsExceeded")
+	ErrCooldownActive        = errors.New("vtCooldownActive")
+	ErrIdempotencyConflict   = errors.New("vtIdempotencyConflict")
 )
 
 func wrap(err error, msg string) error {
@@ -26,3 +29,15 @@ func ErorrTokenAlreadyUsed() error {
 func ErorrTokenExpired() error {
 	return wrap(ErrTokenExpired, "verification token expired")
 }
+
+func ErrorCooldownActive() error {
+	return wrap(ErrCooldownActive, "token creation cooldown is active")
+}
+
+func ErrorTokenAttemptsExceeded() error {
+	return wrap(ErrTokenAttemptsExceeded, "verification token max attempts exceeded")
+}
+
+func ErrorIdempotencyConflict() error {
+	return wrap(ErrIdempotencyConflict, "verification token request idempotency key has already been used")
+}