(define-trait nft-trait
   (
     ;; Last token ID, limited to uint range
     (get-last-token-id () (response uint uint))

     ;; URI for metadata associated with the token
     (get-token-uri (uint) (response (optional (string-ascii 256)) uint))

      ;; Owner of a given token identifier
     (get-owner (uint) (response (optional principal) uint))

     ;; Transfer from the sender to a new principal
     (transfer (uint principal principal) (response bool uint))
   )
 )

 (define-trait ft-trait
   (
     ;; Transfer from the caller to a new principal
     (transfer (uint principal principal (optional (buff 34))) (response bool uint))

     ;; the human readable name of the token
     (get-name () (response (string-ascii 32) uint))

     ;; the ticker symbol, or empty if none
     (get-symbol () (response (string-ascii 32) uint))

     ;; the number of decimals used, e.g. 6 would mean 1_000_000 represents 1 token
     (get-decimals () (response uint uint))

     ;; the balance of the passed principal
     (get-balance (principal) (response uint uint))

     ;; the current total supply (which does not need to be a constant)
     (get-total-supply () (response uint uint))

     ;; an optional URI that represents metadata of this token
     (get-token-uri () (response (optional (string-utf8 256)) uint))
   )
 )