autoalex-b20-helper-v2

(impl-trait .trait-ownable.ownable-trait)
(define-constant ERR-NOT-AUTHORIZED (err u1000))
(define-constant ERR-ALREADY-PROCESSED (err u1409))
(define-constant ONE_8 (pow u10 u8))
(define-data-var contract-owner principal tx-sender)
(define-map approved-contracts principal bool)
(define-map processed-batches { cycle: uint, batch: uint } bool)
(define-read-only (get-contract-owner)
  (ok (var-get contract-owner))
)
(define-public (set-contract-owner (owner principal))
  (begin
    (try! (check-is-owner))
    (ok (var-set contract-owner owner))
  )
)
(define-private (check-is-owner)
  (ok (asserts! (is-eq tx-sender (var-get contract-owner)) ERR-NOT-AUTHORIZED))
)
(define-private (check-is-approved)
  (ok (asserts! (default-to false (map-get? approved-contracts tx-sender)) ERR-NOT-AUTHORIZED))
)
(define-public (add-approved-contract (new-approved-contract principal))
  (begin
    (try! (check-is-owner))
    (ok (map-set approved-contracts new-approved-contract true))
  )
)
(define-public (set-approved-contract (owner principal) (approved bool))
	(begin
		(try! (check-is-owner))
		(ok (map-set approved-contracts owner approved))
	)
)
(define-private (mint-db20-iter (recipient {recipient: principal, amount: uint}) (prior (response uint uint)))
  (begin
    (as-contract (try! (contract-call? .brc20-db20 mint-fixed (get amount recipient) (get recipient recipient))))
    (ok (+ (try! prior) (get amount recipient)))
  )
)
(define-read-only (is-cycle-batch-processed (cycle uint) (batch uint))
  (default-to
    false
    (map-get? processed-batches { cycle: cycle, batch: batch })
  )
)
(define-public (mint-and-burn-db20 (cycle uint) (batch uint) (recipients (list 200 {recipient: principal, amount: uint})))
	(begin
		(asserts! (or (is-ok (check-is-owner)) (is-ok (check-is-approved))) ERR-NOT-AUTHORIZED)
    (asserts! (is-eq (is-cycle-batch-processed cycle batch) false) ERR-ALREADY-PROCESSED)
    (let
      (
        (minted (try! (fold mint-db20-iter recipients (ok u0))))
      )
      (map-set processed-batches { cycle: cycle, batch: batch } true)
      (as-contract (contract-call? .brc20-db20 burn-fixed minted .auto-alex-v2))
    )
	)
)