def testisValidTransactionChainDuplicate(Blockchain3Blocks):
transaction = Trasaction(Wallet(), 'recipient', 1).to_json()
Blockchain3Blocks.addBlock([transaction, transaction])
with pytest.raises(Exception, match='is not unique'):
Blockchain.isValidTransactionChain(Blockchain3Blocks.chain)
def testIsValidTransactionChainBadTransaction(Blockchain3Blocks):
badTransaction = Trasaction(Wallet(), 'recipient', 1)
badTransaction.input['signature'] = Wallet().sign(badTransaction.output)
Blockchain3Blocks.addBlock([badTransaction.to_json()])
with pytest.raises(Exception):
Blockchain.isValidTransactionChain(Blockchain3Blocks)
def testIsValidTransactionChainMultiRewards(Blockchain3Blocks):
rewardOne = Trasaction.rewardTransaction(Wallet()).to_json()
rewardTwo = Trasaction.rewardTransaction(Wallet()).to_json()
Blockchain3Blocks.addBlock([rewardOne, rewardTwo])
with pytest.raises(Exception, match='one mining reward per block'):
Blockchain.isValidTransactionChain(Blockchain3Blocks.chain)
def testIsValidTransactionChainBadHistoricBalance(Blockchain3Blocks):
wallet = Wallet()
badTransaction = Trasaction(wallet, 'recipient', 1)
badTransaction.output[wallet.address] = 9000
badTransaction.input['amount'] = 9001
badTransaction.input['signature'] = wallet.sign(badTransaction.output)
Blockchain3Blocks.addBlock([badTransaction.to_json()])
with pytest.raises(Exception, match='has an invalid input amount'):
Blockchain.isValidTransactionChain(Blockchain3Blocks.chain)
def testValidTransactionChain(Blockchain3Blocks):
Blockchain.isValidTransactionChain(Blockchain3Blocks.chain)