FractonSwap.clar

(define-fungible-token fracton-fft)
(define-non-fungible-token fracton-nft uint)

(define-data-var swap-rate uint u1000000000000000000) ;; Example rate
(define-data-var fft-tax uint u3000000000000000000) ;; Example tax for FFT
(define-data-var nft-tax uint u3) ;; Example tax for NFT

(define-map nft-ids
  { nft-contract: principal }
  { token-ids: (list 10 uint) }
)

(define-public (update-swap-rate (new-rate uint))
  (begin
    (asserts! (is-eq tx-sender (get-dao-address)) "Unauthorized")
    (var-set swap-rate new-rate)
    (ok true)
  )
)

(define-public (update-taxes (new-fft-tax uint) (new-nft-tax uint))
  (begin
    (asserts! (is-eq tx-sender (get-dao-address)) "Unauthorized")
    (var-set fft-tax new-fft-tax)
    (var-set nft-tax new-nft-tax)
    (ok true)
  )
)

;; Example swap function for FFT tokens
(define-public (swap-fft (amount uint))
  (begin
    (let ((tax (var-get fft-tax)))
      (ft-transfer? fracton-fft amount tx-sender 'some-other-address)
      (ft-transfer? fracton-fft tax tx-sender 'tax-receiver)
    )
    (ok true)
  )
)

;; Accepting an NFT transfer
(define-public (receive-nft (nft-contract principal) (token-id uint))
  (begin
    (nft-transfer? fracton-nft token-id tx-sender (as-contract tx-sender))
    (map-insert nft-ids
      { nft-contract: nft-contract }
      { token-ids: (unwrap-panic (concat (default-to (list) (get token-ids (map-get? nft-ids { nft-contract: nft-contract }))) [token-id])) }
    )
    (ok true)
  )
)