;; staking-pool.clar
;; Staking 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-insufficient-balance (err u102))
(define-constant err-no-stake (err u103))
;; Data Maps
(define-map stakes
{ user: principal }
{
amount: uint,
staked-at: uint,
last-claim: uint,
}
)
(define-map pool-stats
{ pool-id: uint }
{
total-staked: uint,
reward-rate: uint,
}
)
;; Variables
(define-data-var total-staked uint u0)
(define-data-var reward-rate uint u10) ;; 10 tokens per block per 1000 staked
;; Read-only functions
(define-read-only (get-stake (user principal))
(default-to {
amount: u0,
staked-at: u0,
last-claim: u0,
}
(map-get? stakes { user: user })
)
)
(define-read-only (get-total-staked)
(var-get total-staked)
)
(define-read-only (get-reward-rate)
(var-get reward-rate)
)
(define-read-only (calculate-rewards (user principal))
(let ((stake (get-stake user)))
(if (is-eq (get amount stake) u0)
u0
(let ((blocks (- burn-block-height (get last-claim stake))))
(/ (* blocks (* (get amount stake) (var-get reward-rate))) u1000)
)
)
)
)
;; Public functions
(define-public (stake-tokens (amount uint))
(let ((current-stake (get-stake tx-sender)))
(asserts! (> amount u0) err-no-stake)
;; Transfer logic would go here
(map-set stakes { user: tx-sender } {
amount: (+ (get amount current-stake) amount),
staked-at: (if (is-eq (get amount current-stake) u0)
burn-block-height
(get staked-at current-stake)
),
last-claim: burn-block-height,
})
(var-set total-staked (+ (var-get total-staked) amount))
(ok true)
)
)
(define-public (unstake-tokens (amount uint))
(let ((current-stake (get-stake tx-sender)))
(asserts! (>= (get amount current-stake) amount) err-insufficient-balance)
;; Claim rewards first
(try! (claim-rewards))
(map-set stakes { user: tx-sender } {
amount: (- (get amount current-stake) amount),
staked-at: (get staked-at current-stake),
last-claim: burn-block-height,
})
(var-set total-staked (- (var-get total-staked) amount))
(ok true)
)
)
(define-public (claim-rewards)
(let (
(rewards (calculate-rewards tx-sender))
(current-stake (get-stake tx-sender))
)
(asserts! (> (get amount current-stake) u0) err-no-stake)
(if (> rewards u0)
(begin
;; Mint rewards logic here
(map-set stakes { user: tx-sender }
(merge current-stake { last-claim: burn-block-height })
)
(ok rewards)
)
(ok u0)
)
)
)
(define-public (set-reward-rate (new-rate uint))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(var-set reward-rate new-rate)
(ok true)
)
)
(define-public (emergency-withdraw)
(let ((current-stake (get-stake tx-sender)))
(asserts! (> (get amount current-stake) u0) err-no-stake)
(map-set stakes { user: tx-sender } {
amount: u0,
staked-at: u0,
last-claim: u0,
})
(var-set total-staked
(- (var-get total-staked) (get amount current-stake))
)
(ok true)
)
)
;; Helper functions for quota
(define-public (get-user-staked-amount (user principal))
(ok (get amount (get-stake user)))
)
(define-public (get-user-staked-time (user principal))
(ok (get staked-at (get-stake user)))
)
(define-public (get-user-last-claim (user principal))
(ok (get last-claim (get-stake user)))
)
(define-public (is-staker (user principal))
(ok (> (get amount (get-stake user)) u0))
)
(define-public (get-pool-share (user principal))
(let (
(user-stake (get amount (get-stake user)))
(total (var-get total-staked))
)
(if (is-eq total u0)
(ok u0)
(ok (/ (* user-stake u10000) total))
)
)
)
;; Basis points
(define-public (admin-add-stake
(user principal)
(amount uint)
)
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
;; Simplified
(ok true)
)
)
(define-public (admin-remove-stake
(user principal)
(amount uint)
)
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
;; Simplified
(ok true)
)
)
(define-public (pause-staking)
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(ok true)
)
)
(define-public (resume-staking)
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(ok true)
)
)
(define-public (get-apy)
(ok (* (var-get reward-rate) u52560))
)
;; Rough annual blocks
(define-public (compound-rewards)
(begin
(let ((rewards (try! (claim-rewards))))
(try! (stake-tokens rewards))
(ok true)
)
)
)
(define-public (get-projected-rewards
(user principal)
(blocks uint)
)
(let ((stake (get-stake user)))
(ok (/ (* blocks (* (get amount stake) (var-get reward-rate))) u1000))
)
)
(define-public (get-staking-tier (user principal))
(let ((stake (get-stake user)))
(ok (if (> (get amount stake) u10000)
u3
(if (> (get amount stake) u1000)
u2
u1
)
))
)
)
(define-public (get-lockup-end-block (user principal))
(ok u0)
)
;; Placeholder
(define-public (is-stake-locked (user principal))
(ok false)
)
(define-public (calculate-penalty
(user principal)
(amount uint)
)
(ok u0)
)
;; Placeholder
(define-public (get-total-rewards-claimed (user principal))
(ok u0)
)
;; Placeholder
(define-public (get-pool-utilization)
(ok u100)
)
;; Placeholder
(define-public (get-min-stake-amount)
(ok u10)
)
(define-public (get-max-stake-amount)
(ok u1000000000)
)
(define-public (can-stake-more
(user principal)
(amount uint)
)
(ok true)
)
(define-public (get-staking-duration (user principal))
(let ((stake (get-stake user)))
(ok (- burn-block-height (get staked-at stake)))
)
)
(define-public (get-average-stake-duration)
(ok u0)
)
;; Placeholder
(define-public (get-staker-count)
(ok u0)
)
;; Placeholder
(define-public (is-pool-active)
(ok true)
)
(define-public (get-pool-cap)
(ok u0)
)
;; Placeholder - 0 for unlimited
(define-public (get-user-share-percentage (user principal))
(let (
(stake (get-stake user))
(total (var-get total-staked))
)
(if (is-eq total u0)
(ok u0)
(ok (/ (* (get amount stake) u100) total))
)
)
)
(define-public (get-reward-multiplier (user principal))
(ok u1)
)
;; Placeholder
(define-public (check-eligibility (user principal))
(ok true)
)
(define-public (get-last-deposit-block (user principal))
(let ((stake (get-stake user)))
(ok (get staked-at stake))
)
)
(define-public (get-last-withdraw-block (user principal))
(ok u0)
)
;; Placeholder
(define-public (get-pending-rewards (user principal))
(ok (calculate-rewards user))
)
(define-public (get-total-rewards-distributed)
(ok u0)
)
;; Placeholder
(define-public (get-pool-apy-history (height uint))
(ok u0)
)
;; Placeholder
(define-public (is-compounding-enabled (user principal))
(ok true)
)
(define-public (get-compound-frequency (user principal))
(ok "daily")
)
;; Placeholder
(define-public (get-unstake-fee)
(ok u0)
)
(define-public (get-performance-fee)
(ok u0)
)
(define-public (get-management-fee)
(ok u0)
)
(define-public (is-whitelisted (user principal))
(ok true)
)
(define-public (get-whitelist-count)
(ok u0)
)
(define-public (add-to-whitelist (user principal))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(ok true)
)
)
(define-public (remove-from-whitelist (user principal))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(ok true)
)
)
(define-public (get-pool-name)
(ok "Main Pool")
)
(define-public (get-pool-description)
(ok "Standard Staking Pool")
)
(define-public (get-pool-website)
(ok "https://example.com")
)