sip-010-trait-approve

(define-trait sip-010-trait-approve
	(
		;; 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))

    ;; amount that spender is allowed to spend
    (allowance (principal principal) (response uint uint))

    (approve (principal uint) (response bool uint))

    (increase-allowance (principal uint) (response bool uint))
    (decrease-allowance (principal uint) (response bool uint))
	)
)