;; title: payment-gateway
;; version:
;; summary:
;; description:
;; traits
;;
;; Group Protocol Smart Contract with Input Validation
;; Constants
(define-constant contract-owner tx-sender)
(define-constant ERR-OWNER-ONLY (err u100))
(define-constant ERR-NOT-FOUND (err u101))
(define-constant ERR-UNAUTHORIZED-ACCESS (err u102))
(define-constant ERR-ALREADY-EXISTS (err u103))
(define-constant ERR-INVALID-INPUT (err u104))
(define-constant ERR-INVALID-LENGTH (err u105))
(define-constant ERR-EMPTY-STRING (err u106))
;; Data Variables
(define-data-var group-display-name (string-ascii 50) "")
(define-data-var group-description-text (string-utf8 500) u"")
(define-data-var group-initialized bool false)
;; Data Maps
(define-map proposals
uint
{
proposal-id: uint,
proposal-title: (string-ascii 100),
proposal-description: (string-utf8 1000),
proposal-category-type: (string-ascii 20),
proposer: principal,
created-at: uint,
execution-payload-data: (optional (buff 256)),
status: (string-ascii 20)
}
)
(define-map group-members principal bool)
(define-data-var proposal-counter uint u0)
;; Helper Functions for Input Validation
(define-private (is-valid-string-ascii (input (string-ascii 100)) (min-len uint) (max-len uint))
(let ((str-len (len input)))
(and
(>= str-len min-len)
(<= str-len max-len)
(not (is-eq input ""))
)
)
)
(define-private (is-valid-string-utf8 (input (string-utf8 1000)) (min-len uint) (max-len uint))
(let ((str-len (len input)))
(and
(>= str-len min-len)
(<= str-len max-len)
(not (is-eq input u""))
)
)
)
(define-private (is-valid-group-name (name (string-ascii 50)))
(and
(> (len name) u0)
(<= (len name) u50)
(not (is-eq name ""))
)
)
(define-private (is-valid-description (desc (string-utf8 500)))
(and
(> (len desc) u0)
(<= (len desc) u500)
(not (is-eq desc u""))
)
)
(define-private (is-valid-proposal-title (title (string-ascii 100)))
(and
(> (len title) u0)
(<= (len title) u100)
(not (is-eq title ""))
)
)
(define-private (is-valid-proposal-description (desc (string-utf8 1000)))
(and
(> (len desc) u0)
(<= (len desc) u1000)
(not (is-eq desc u""))
)
)
(define-private (is-valid-proposal-category (category (string-ascii 20)))
(and
(> (len category) u0)
(<= (len category) u20)
(not (is-eq category ""))
)
)
(define-private (is-valid-principal (principal-input principal))
(not (is-eq principal-input 'SP000000000000000000002Q6VF78))
)
(define-private (is-valid-execution-data (data (optional (buff 256))))
(match data
some-data (<= (len some-data) u256)
true ;; None is always valid
)
)
;; Public Functions
(define-public (initialize-group-settings (group-name (string-ascii 50)) (description (string-utf8 500)))
(begin
(asserts! (is-eq tx-sender contract-owner) ERR-OWNER-ONLY)
(asserts! (not (var-get group-initialized)) ERR-ALREADY-EXISTS)
;; Validate inputs
(asserts! (is-valid-group-name group-name) ERR-INVALID-INPUT)
(asserts! (is-valid-description description) ERR-INVALID-INPUT)
;; Set the values after validation
(var-set group-display-name group-name)
(var-set group-description-text description)
(var-set group-initialized true)
(ok true)
)
)
(define-public (add-member (member principal))
(begin
(asserts! (is-eq tx-sender contract-owner) ERR-OWNER-ONLY)
(asserts! (var-get group-initialized) ERR-NOT-FOUND)
;; Validate principal input
(asserts! (is-valid-principal member) ERR-INVALID-INPUT)
(map-set group-members member true)
(ok true)
)
)
(define-public (remove-member (member principal))
(begin
(asserts! (is-eq tx-sender contract-owner) ERR-OWNER-ONLY)
;; Validate principal input
(asserts! (is-valid-principal member) ERR-INVALID-INPUT)
(map-delete group-members member)
(ok true)
)
)
(define-public (create-proposal
(proposal-title (string-ascii 100))
(proposal-description (string-utf8 1000))
(proposal-category (string-ascii 20))
(execution-data (optional (buff 256))))
(let ((proposal-id (+ (var-get proposal-counter) u1)))
;; Check if user is a member
(asserts! (default-to false (map-get? group-members tx-sender)) ERR-UNAUTHORIZED-ACCESS)
;; Validate all inputs
(asserts! (is-valid-proposal-title proposal-title) ERR-INVALID-INPUT)
(asserts! (is-valid-proposal-description proposal-description) ERR-INVALID-INPUT)
(asserts! (is-valid-proposal-category proposal-category) ERR-INVALID-INPUT)
(asserts! (is-valid-execution-data execution-data) ERR-INVALID-INPUT)
;; Create proposal with validated data
(map-set proposals proposal-id {
proposal-id: proposal-id,
proposal-title: proposal-title,
proposal-description: proposal-description,
proposal-category-type: proposal-category,
proposer: tx-sender,
created-at: stacks-block-height,
execution-payload-data: execution-data,
status: "active"
})
(var-set proposal-counter proposal-id)
(ok proposal-id)
)
)
(define-public (vote-on-proposal (proposal-id uint) (vote bool))
(let ((proposal (unwrap! (map-get? proposals proposal-id) ERR-NOT-FOUND)))
(asserts! (default-to false (map-get? group-members tx-sender)) ERR-UNAUTHORIZED-ACCESS)
;; Add voting logic here
(ok true)
)
)
;; Read-only Functions
(define-read-only (get-group-info)
{
name: (var-get group-display-name),
description: (var-get group-description-text),
initialized: (var-get group-initialized)
}
)
(define-read-only (get-proposal (proposal-id uint))
(map-get? proposals proposal-id)
)
(define-read-only (is-member (member principal))
(default-to false (map-get? group-members member))
)
(define-read-only (get-proposal-count)
(var-get proposal-counter)
)
;; Additional helper functions
(define-read-only (get-contract-owner)
contract-owner
)
(define-public (update-group-settings (group-name (string-ascii 50)) (description (string-utf8 500)))
(begin
(asserts! (is-eq tx-sender contract-owner) ERR-OWNER-ONLY)
;; Validate inputs
(asserts! (is-valid-group-name group-name) ERR-INVALID-INPUT)
(asserts! (is-valid-description description) ERR-INVALID-INPUT)
;; Update with validated inputs
(var-set group-display-name group-name)
(var-set group-description-text description)
(ok true)
)
)