transaction

type AddFileTransaction struct {
	AnnouncementID        uuid.UUID `json:"announcementID"`        // Announcement ID - UUID
	OwnerAddress          []byte    `json:"ownerAddress"`          // Owner address - ECDSA public key
	FileCid               cid.Cid   `json:"fileCid"`               // File CID
	Filename              []byte    `json:"filename"`              // Encrypted filename
	Extension             []byte    `json:"extension"`             // Encrypted extension
	FileSize              uint64    `json:"fileSize"`              // File size
	Checksum              []byte    `json:"checksum"`              // Checksum - SHA256
	OwnerSignature        []byte    `json:"ownerSignature"`        // Owner signature - ECDSA signature
	AnnouncementTimestamp int64     `json:"announcementTimestamp"` // Announcement timestamp - Unix timestamp
	NodeAddress           []byte    `json:"nodeAddress"`           // Node address - ECDSA public key
	NodeID                peer.ID   `json:"nodeID"`                // Node ID
	TransactionID         uuid.UUID `json:"transactionID"`         // Transaction ID - UUID
	UserReliabilityIssue  bool      `json:"userReliabilityIssue"`  // User reliability issue - boolean
	TransactionSignature  []byte    `json:"transactionSignature"`  // Transaction signature - ECDSA signature
	TransactionTimestamp  int64     `json:"transactionTimestamp"`  // Transaction timestamp - Unix timestamp
	Verifier                        // embed TransactionVerifier struct to inherit VerifyTransaction method
}

type AddFileTransactionFactory struct{}

type ClientAnnouncement struct {
	AnnouncementID        uuid.UUID `json:"announcementID"`        // Announcement ID - UUID
	OwnerAddress          []byte    `json:"ownerAddress"`          // Owner address - ECDSA public key
	FileCid               cid.Cid   `json:"fileCid"`               // File CID
	Filename              []byte    `json:"filename"`              // Encrypted filename
	Extension             []byte    `json:"extension"`             // Encrypted extension
	FileSize              uint64    `json:"fileSize"`              // File size
	Checksum              []byte    `json:"checksum"`              // Checksum - SHA256
	OwnerSignature        []byte    `json:"ownerSignature"`        // Owner signature - ECDSA signature
	AnnouncementTimestamp int64     `json:"announcementTimestamp"` // Announcement timestamp - Unix timestamp
	Verifier                        // embed TransactionVerifier struct to inherit VerifyTransaction method
}

type ClientAnnouncementFactory struct{}

type DeleteFileTransaction struct {
	TransactionID        uuid.UUID `json:"transactionID"`        // Transaction ID - UUID
	OwnerAddress         []byte    `json:"ownerAddress"`         // Owner address - ECDSA public key
	FileCid              cid.Cid   `json:"fileCID"`              // File CID
	TransactionSignature []byte    `json:"transactionSignature"` // Transaction signature - ECDSA signature
	TransactionTimestamp int64     `json:"transactionTimestamp"` // Transaction timestamp - Unix timestamp
	Verifier                       // embed TransactionVerifier struct to inherit VerifyTransaction method
}

type DeleteFileTransactionFactory struct{}

type Factory interface {
	CreateTransaction(data []byte) (Transaction, error)
}

type Transaction interface {
	Serialize() ([]byte, error)
	SpecificData() ([]byte, error)
}

type Verifier struct{}