receiver-mainnet-20260224

(use-trait ft 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.ft-trait.ft-trait)
(use-trait flash-loan 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.flash-loan-trait.flash-loan-trait)
(impl-trait 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.flash-loan-trait.flash-loan-trait)

(define-constant POOL_BORROW 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.pool-borrow-v2-1)
(define-constant DEBT_ASSET 'SP3Y2ZSH8P7D50B0VBTSX11S7XSG24M1VB9YFQA4K.token-aeusdc)

(define-constant ERR_UNAUTHORIZED (err u900))
(define-constant ERR_NOT_PENDING (err u901))
(define-constant ERR_INVALID_ASSET (err u903))

(define-data-var owner principal tx-sender)
(define-data-var pending bool false)
(define-data-var liquidated-user principal tx-sender)
(define-data-var debt-amount uint u0)
(define-data-var max-oracle-age uint u20)

(define-public (configure-liquidation
  (new-liquidated-user principal)
  (new-debt-amount uint)
  (new-max-oracle-age uint))
  (begin
    (asserts! (is-eq tx-sender (var-get owner)) ERR_UNAUTHORIZED)
    (var-set liquidated-user new-liquidated-user)
    (var-set debt-amount new-debt-amount)
    (ok (var-set max-oracle-age new-max-oracle-age))
  )
)

(define-read-only (is-pending)
  (var-get pending)
)

(define-public (initiate-flashloan (amount uint) (flashloan-script <flash-loan>))
  (begin
    (asserts! (is-eq tx-sender (var-get owner)) ERR_UNAUTHORIZED)
    (var-set pending true)
    (let (
      (self (as-contract tx-sender))
      (result (contract-call? POOL_BORROW flashloan self DEBT_ASSET amount flashloan-script))
    )
      (var-set pending false)
      result
    )
  )
)

(define-public (execute (asset <ft>) (receiver principal) (amount uint))
  (let (
    (self (as-contract tx-sender))
  )
    (asserts! (var-get pending) ERR_NOT_PENDING)
    (asserts! (is-eq contract-caller POOL_BORROW) ERR_UNAUTHORIZED)
    (asserts! (is-eq receiver self) ERR_UNAUTHORIZED)
    (asserts! (is-eq (contract-of asset) DEBT_ASSET) ERR_INVALID_ASSET)

    (try! (contract-call? POOL_BORROW liquidation-call
      (list
        {
          asset: 'SP4SZE494VC2YC5JYG7AYFQ44F5Q4PYV7DVMDPBG.ststx-token,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zststx-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.stx-btc-oracle-v1-4
        }
        {
          asset: 'SP3Y2ZSH8P7D50B0VBTSX11S7XSG24M1VB9YFQA4K.token-aeusdc,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zaeusdc-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.aeusdc-oracle-v1-0
        }
        {
          asset: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.wstx,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zwstx-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.stx-btc-oracle-v1-4
        }
        {
          asset: 'SP2C2YFP12AJZB4MABJBAJ55XECVS7E4PMMZ89YZR.arkadiko-token,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zdiko-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.diko-oracle-v1-1
        }
        {
          asset: 'SPN5AKG35QZSK2M8GAMR4AFX45659RJHDW353HSG.usdh-token-v1,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zusdh-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.usdh-oracle-v1-0
        }
        {
          asset: 'SP2XD7417HGPRTREMKF748VNEQPDRR0RMANB7X1NK.token-susdt,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zsusdt-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.susdt-oracle-v1-0
        }
        {
          asset: 'SP2C2YFP12AJZB4MABJBAJ55XECVS7E4PMMZ89YZR.usda-token,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zusda-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.usda-oracle-v1-1
        }
        {
          asset: 'SM3VDXK3WZZSA84XXFKAFAF15NNZX32CTSG82JFQ4.sbtc-token,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zsbtc-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.stx-btc-oracle-v1-4
        }
        {
          asset: 'SP102V8P0F7JX67ARQ77WEA3D3CFB5XW39REDT0AM.token-alex,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zalex-v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.alex-oracle-v1-1
        }
        {
          asset: 'SP4SZE494VC2YC5JYG7AYFQ44F5Q4PYV7DVMDPBG.ststxbtc-token-v2,
          lp-token: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zststxbtc-v2_v2-0,
          oracle: 'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.stx-btc-oracle-v1-4
        }
      )
      'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.zwstx-v2-0
      'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.wstx
      DEBT_ASSET
      'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.stx-btc-oracle-v1-4
      'SP2VCQJGH7PHP2DJK7Z0V48AGBHQAW3R3ZW1QF4N.aeusdc-oracle-v1-0
      (var-get liquidated-user)
      (var-get debt-amount)
      false))

    ;; pool-borrow transfers principal+fee from receiver after callback returns.
    (ok true)
  )
)