chain.rs

    /**
 Creates a new transaction to go into the next mined Block
 
 - Parameter sender: Address of the Sender
 - Parameter recipient: Address of the Recipient
 - Parameter amount: Amount
 - returns: The index of the Block that will hold this transaction
  */
  
    pub fn new_transaction(&mut self, sender: String, recipient: String, amount: u64) -> u64 {
        self.current_transactions
            .push(Transaction::new(sender, recipient, amount));
        (self.current_transactions.len() - 1) as u64
    }