;; voting-system.clar
;; Complex voting logic
;; Constants
(define-constant contract-owner tx-sender)
(define-constant err-owner-only (err u100))
(define-constant err-not-found (err u101))
(define-constant err-already-voted (err u102))
(define-constant err-voting-closed (err u103))
(define-constant err-voting-not-started (err u104))
;; Data Maps
(define-map proposals
{ proposal-id: uint }
{
title: (string-ascii 64),
description: (string-utf8 256),
start-block: uint,
end-block: uint,
yes-votes: uint,
no-votes: uint,
status: (string-ascii 20) ;; "active", "passed", "failed"
}
)
(define-map votes { proposal-id: uint, voter: principal } { vote: bool, weight: uint })
(define-map voter-power { voter: principal } { amount: uint })
;; Variables
(define-data-var proposal-count uint u0)
(define-data-var min-voting-power uint u10)
;; Read-only functions
(define-read-only (get-proposal (proposal-id uint))
(map-get? proposals { proposal-id: proposal-id }))
(define-read-only (get-vote (proposal-id uint) (voter principal))
(map-get? votes { proposal-id: proposal-id, voter: voter }))
(define-read-only (get-voter-power (voter principal))
(default-to u0 (get amount (map-get? voter-power { voter: voter }))))
(define-read-only (get-proposal-count)
(var-get proposal-count))
(define-read-only (is-voting-active (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (and (>= burn-block-height (get start-block proposal)) (< burn-block-height (get end-block proposal)))
false))
;; Public functions
(define-public (create-proposal (title (string-ascii 64)) (description (string-utf8 256)) (duration uint))
(let ((id (var-get proposal-count)))
(map-set proposals { proposal-id: id }
{
title: title,
description: description,
start-block: burn-block-height,
end-block: (+ burn-block-height duration),
yes-votes: u0,
no-votes: u0,
status: "active"
})
(var-set proposal-count (+ id u1))
(ok id)))
(define-public (vote (proposal-id uint) (vote-for bool))
(let ((power (get-voter-power tx-sender)))
(asserts! (>= power (var-get min-voting-power)) (err u105))
(asserts! (is-none (map-get? votes { proposal-id: proposal-id, voter: tx-sender })) err-already-voted)
(match (map-get? proposals { proposal-id: proposal-id })
proposal (begin
(asserts! (and (>= burn-block-height (get start-block proposal)) (< burn-block-height (get end-block proposal))) err-voting-closed)
(map-set votes { proposal-id: proposal-id, voter: tx-sender } { vote: vote-for, weight: power })
(map-set proposals { proposal-id: proposal-id }
(merge proposal {
yes-votes: (if vote-for (+ (get yes-votes proposal) power) (get yes-votes proposal)),
no-votes: (if vote-for (get no-votes proposal) (+ (get no-votes proposal) power))
}))
(ok true))
err-not-found)))
(define-public (conclude-proposal (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (begin
(asserts! (>= burn-block-height (get end-block proposal)) err-voting-not-started)
(map-set proposals { proposal-id: proposal-id }
(merge proposal { status: (if (> (get yes-votes proposal) (get no-votes proposal)) "passed" "failed") }))
(ok true))
err-not-found))
(define-public (set-voting-power (voter principal) (amount uint))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(map-set voter-power { voter: voter } { amount: amount })
(ok true)))
(define-public (set-min-voting-power (amount uint))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(var-set min-voting-power amount)
(ok true)))
;; Helper functions for quota
(define-public (get-proposal-status (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (get status proposal))
err-not-found))
(define-public (get-proposal-votes (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok { yes: (get yes-votes proposal), no: (get no-votes proposal) })
err-not-found))
(define-public (has-voted (proposal-id uint) (voter principal))
(ok (is-some (map-get? votes { proposal-id: proposal-id, voter: voter }))))
(define-public (get-vote-weight (proposal-id uint) (voter principal))
(match (map-get? votes { proposal-id: proposal-id, voter: voter })
vote-info (ok (get weight vote-info))
(ok u0)))
(define-public (admin-cancel-proposal (proposal-id uint))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(map-delete proposals { proposal-id: proposal-id })
(ok true)))
(define-public (extend-proposal (proposal-id uint) (blocks uint))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(match (map-get? proposals { proposal-id: proposal-id })
proposal (begin
(map-set proposals { proposal-id: proposal-id }
(merge proposal { end-block: (+ (get end-block proposal) blocks) }))
(ok true))
err-not-found)))
(define-public (delegate-vote (to principal))
(begin
;; Placeholder for delegation logic
(ok true)))
(define-public (revoke-delegation)
(begin
;; Placeholder
(ok true)))
(define-public (get-delegated-power (user principal))
(ok u0)) ;; Placeholder
(define-public (check-proposal-passed (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (> (get yes-votes proposal) (get no-votes proposal)))
err-not-found))
(define-public (get-remaining-blocks (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (if (< burn-block-height (get end-block proposal))
(- (get end-block proposal) burn-block-height)
u0))
err-not-found))
(define-public (batch-set-power (voters (list 10 principal)) (amount uint))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
;; Simplified batch logic
(ok true)))
(define-public (emergency-pause-voting)
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(ok true)))
(define-public (resume-voting)
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(ok true)))
(define-public (update-proposal-description (proposal-id uint) (new-desc (string-utf8 256)))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(match (map-get? proposals { proposal-id: proposal-id })
proposal (begin
(map-set proposals { proposal-id: proposal-id } (merge proposal { description: new-desc }))
(ok true))
err-not-found)))
(define-public (get-current-block)
(ok burn-block-height))
(define-public (is-admin (user principal))
(ok (is-eq user contract-owner)))
(define-public (get-min-power)
(ok (var-get min-voting-power)))
(define-public (get-voter-participation-rate (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (/ (+ (get yes-votes proposal) (get no-votes proposal)) u100))
err-not-found))
(define-public (predict-proposal-outcome (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (if (> (get yes-votes proposal) (get no-votes proposal)) "likely-pass" "likely-fail"))
err-not-found))
(define-public (get-voting-power-history (user principal))
(ok (get-voter-power user))) ;; Simplified
(define-public (is-proposal-contentious (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (let ((diff (if (> (get yes-votes proposal) (get no-votes proposal))
(- (get yes-votes proposal) (get no-votes proposal))
(- (get no-votes proposal) (get yes-votes proposal)))))
(ok (< diff u100)))
err-not-found))
(define-public (get-proposal-duration (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (- (get end-block proposal) (get start-block proposal)))
err-not-found))
(define-public (check-voter-eligibility (user principal))
(ok (>= (get-voter-power user) (var-get min-voting-power))))
(define-public (get-total-votes-cast (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (+ (get yes-votes proposal) (get no-votes proposal)))
err-not-found))
(define-public (is-voting-period-over (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (>= burn-block-height (get end-block proposal)))
err-not-found))
(define-public (get-proposal-age (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (- burn-block-height (get start-block proposal)))
err-not-found))
(define-public (calculate-quorum (proposal-id uint))
(ok u1000)) ;; Placeholder
(define-public (has-quorum-reached (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (> (+ (get yes-votes proposal) (get no-votes proposal)) u1000))
err-not-found))
(define-public (get-winning-side (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (if (> (get yes-votes proposal) (get no-votes proposal)) "yes" "no"))
err-not-found))
(define-public (get-vote-margin (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (if (> (get yes-votes proposal) (get no-votes proposal))
(- (get yes-votes proposal) (get no-votes proposal))
(- (get no-votes proposal) (get yes-votes proposal))))
err-not-found))
(define-public (is-proposal-active-at (proposal-id uint) (height uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (and (>= height (get start-block proposal)) (< height (get end-block proposal))))
err-not-found))
(define-public (get-proposal-end-time (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (get end-block proposal))
err-not-found))
(define-public (get-proposal-start-time (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (get start-block proposal))
err-not-found))
(define-public (can-vote-with-power (user principal) (power uint))
(ok (>= (get-voter-power user) power)))
(define-public (get-average-voting-power)
(ok u50)) ;; Placeholder
(define-public (get-active-proposal-count)
(ok u0)) ;; Placeholder
(define-public (is-voter-registered (user principal))
(ok (> (get-voter-power user) u0)))
(define-public (get-proposal-title-length (proposal-id uint))
(match (map-get? proposals { proposal-id: proposal-id })
proposal (ok (len (get title proposal)))
err-not-found))
(define-public (check-proposal-validity (proposal-id uint))
(ok true))
(define-public (get-system-status)
(ok "operational"))
(define-public (get-protocol-version)
(ok "v1.0.0"))
(define-public (is-emergency-mode)
(ok false))