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. 2025 Aug 27;14(17):3004. doi: 10.3390/foods14173004
Algorithm 11 Spoilage Prediction and Alert Contract
  •   1:

    Define struct SpoilageData

  •   2:

        Fields: temperature, humidity, timeElapsed, spoilageRisk

  •   3:

     

  •   4:

    Define mapping(address ⇒ SpoilageData) spoilageRecords

  •   5:

     

  •   6:

    function recordSpoilageData(shipmentID, temperature, humidity, timeElapsed)

  •   7:

        Compute spoilage risk using ML model

  •   8:

        Store risk level in blockchain

  •   9:

        Emit alert if risk exceeds threshold

  • 10:

    end function

  • 11:

     

  • 12:

    function getSpoilageRisk(shipmentID)

  • 13:

           Return spoilage risk level

  • 14:

    end function