def testTransactionUpdate():
senderWallet = Wallet()
firstRecipiemt = 'firstRecipient'
firstAmount = 50
transaction = Trasaction(senderWallet, firstRecipiemt, firstAmount)
nextRecipient = 'nextRecipient'
nextAmount = 75
transaction.update(senderWallet, nextRecipient, nextAmount)
assert transaction.output[nextRecipient] == nextAmount
assert transaction.output[senderWallet.address] == \
senderWallet.balance - firstAmount - nextAmount
assert Wallet.verify(transaction.input['public_key'], transaction.output,
transaction.input['signature'])
toFirstAgainAmount = 25
transaction.update(senderWallet, firstRecipiemt, toFirstAgainAmount)
assert transaction.output[firstRecipiemt] == \
firstAmount + toFirstAgainAmount
assert transaction.output[senderWallet.address] == \
senderWallet.balance - firstAmount - nextAmount - toFirstAgainAmount
assert Wallet.verify(transaction.input['public_key'], transaction.output,
transaction.input['signature'])
def testTransaction():
senderWallet = Wallet()
recipient = 'recipient'
amount = 50
transaction = Trasaction(senderWallet, recipient, amount)
assert transaction.output[recipient] == amount
assert transaction.output[
senderWallet.address] == senderWallet.balance - amount
assert 'timestamp' in transaction.input
assert transaction.input['amount'] == senderWallet.balance
assert transaction.input['address'] == senderWallet.address
assert transaction.input['public_key'] == senderWallet.public_key
assert Wallet.verify(transaction.input['public_key'], transaction.output,
transaction.input['signature'])
def isValidTransaction(transaction):
"""
Validate a transac
Raise a exception for invalid transaction
Sprawdź poprawność transakcji
Podnieś wyjątek dla nieprawidłowej transakcji
"""
if transaction.input == MINING_REWARD_INPUT:
if list(transaction.output.values()) != [MINING_REWARD]:
raise Exception('Invalid mining reward')
return
outputTotal = sum(transaction.output.values())
if transaction.input['amount'] != outputTotal:
raise Exception('Invalid transaction output values')
if not Wallet.verify(transaction.input['public_key'],
transaction.output,
transaction.input['signature']):
raise Exception('Invalid signature')
def testVerifyValidSing():
data = {'foo': 'testData'}
wallet = Wallet()
signature = wallet.sign(data)
assert Wallet.verify(wallet.public_key, data, signature)
