Block Model

.swift

class Block {
    
    var index :Int = 0
    var dateCreated :String
    var previousHash :String = ""
    var hash :String!
    var nonce :Int
    
    var key :String {
        get {
            
            let transactionData = try! JSONEncoder().encode(self.transactions)
            let transactionsJSONString = String(data: transactionData, encoding: .utf8)
            
            let keyPart = String(self.index) + self.dateCreated + self.previousHash + String(self.nonce)
            
            return (keyPart + transactionsJSONString!)
        }
    }
    
    private (set) var transactions :[Transaction] = [Transaction]()

    func addTransaction(transaction :Transaction, contracts :[SmartContract]) {
        
        self.transactions.append(transaction)
        
    }
    
    init() {
        self.dateCreated = Date().toString()
        self.nonce = 0
    }
}