def test_invalid_transaction():
"""
Test invalid transaction by providing invalid amount to recipient
"""
sender_wallet = Wallet()
recipient = 'recipient'
amount = 50
transaction = Transaction().new_transaction(sender_wallet, recipient,
amount)
transaction.outputs['recipient_amount'] = 51
assert Transaction.verify_transaction(transaction) is False
def test_transaction():
"""
Test and verify transaction after creation
"""
sender_wallet = Wallet()
recipient = 'recipient'
amount = 50
transaction = Transaction().new_transaction(sender_wallet, recipient,
amount)
assert transaction.outputs[
'sender_amount'] == sender_wallet.balance - amount
assert transaction.outputs['recipient_amount'] == amount
assert transaction.input['amount'] == sender_wallet.balance
assert Transaction.verify_transaction(transaction) is True
