transaction.py

# External
from collections import OrderedDict

# Internal
from utility.printable import Printable

class Transaction(Printable):
    """ A transaction which can be added to a block in the blockchain.


    Arguments:
        :sender: The sender of the coins.
        :recipient: The recipient of the coins.
        :signature: The signature of the transaction.
        :amount: The amount of coins sent with the transaction (default = 1.0)
    """
    def __init__(self, sender, recipient, signature, amount):
        self.sender = sender
        self.recipient = recipient
        self.signature = signature
        self.amount = amount


    def to_ordered_dict(self):
        return OrderedDict([('sender', self.sender), ('recipient', self.recipient), ('amount', self.amount)])