diagram.puml

@startuml
class RelayChain {
  - address owner
  - mapping(string => address) chains
  --
  + RelayChain()
  + recordDonation(string medicineName, string batchNumber)
  + recordMedicineReceived(address receiver, string medicineName, string batchNumber)
  + updateLogistics(uint256 transportId, string status, string location)
  --
  + event ChainRegistered(string chainName, address chainAddress)
  + event DonationRecorded(address indexed from, string medicineName, string batchNumber, uint256 timestamp)kro
  + event MedicineReceived(address indexed receiver, string medicineName, string batchNumber, uint256 timestamp)
  + event LogisticsUpdated(uint256 transportId, string status, string location)
  --
  # onlyOwner()
  # onlyAuthorized(string chainName)
}

RelayChain -> address : owner
RelayChain -> "mapping(string => address)" : chains
@enduml