def test_is_valid_transaction_chain_multiple_rewards(blockchain_three_blocks):
reward_1 = Transaction.reward_transaction(Wallet()).to_json()
reward_2 = Transaction.reward_transaction(Wallet()).to_json()
blockchain_three_blocks.add_block([reward_1, reward_2])
with pytest.raises(Exception, match='one mining reward per block'):
Blockchain.is_valid_transaction_chain(blockchain_three_blocks.chain)
def test_invalid_transaction_chain_multiple_mining_rewards(blockchain_init):
reward_1 = Transaction.reward_transaction(Wallet()).to_json()
reward_2 = Transaction.reward_transaction(Wallet()).to_json()
blockchain_init.add_block([reward_1, reward_2])
with pytest.raises(Exception,
match="There can only be one mining reward per block."):
Blockchain.is_valid_transaction_chain(blockchain_init.chain)
def test_is_valid_transaction_chain_multiple_rewards():
blockchain_three_blocks = Blockchain()
for i in range(3):
blockchain_three_blocks.add_block([Transaction(Wallet(), 'recipient', i).to_json()])
reward1 = Transaction.reward_transaction(Wallet()).to_json()
reward2 = Transaction.reward_transaction(Wallet()).to_json()
blockchain_three_blocks.add_block([reward1, reward2])
with pytest.raises(Exception, match='one minig reward per block'):
Blockchain.is_valid_transaction_chain(blockchain_three_blocks.chain)
def test_invalid_reward_transaction_invalid_amount():
miner_wallet = Wallet()
reward_transaction = Transaction.reward_transaction(miner_wallet)
reward_transaction.output[miner_wallet.address] = 9001
with pytest.raises(Exception, match='Invalid mining reward'):
Transaction.is_valid_transaction(reward_transaction)
def route_blockchain_mine():
transaction_data = transaction_pool.transaction_data()
transaction_data.append(Transaction.reward_transaction(wallet).to_json())
blockchain.add_block(transaction_data)
block = blockchain.chain[-1]
pubsub.broadcast_block(block)
transaction_pool.clear_blockchain_transactions(blockchain)
return jsonify(block.to_json())
def test_reward_transaction():
miner_wallet = Wallet()
trans = Transaction.reward_transaction(miner_wallet)
# Assert that the transaction input for the miner wallet is equal to the
# correct mining reward input.
assert(trans.input == MINING_REWARD_INPUT)
# Assert that the transaction output to the miner wallet address is equal
# to the correct mining reward.
assert(trans.output[miner_wallet.address] == MINING_REWARD)
def route_blockchain_mine():
data = transaction_pool.get_transactions()
data.append(Transaction.reward_transaction(wallet).to_json())
blockchain.add_block(data)
block = blockchain.chain[-1]
transaction_pool.clear_transaction()
pusher.trigger('blockchain', 'block-added', block.to_json())
return jsonify(block.to_json())
def test_invalid_reward_transaction_extra_recipient():
reward_transaction = Transaction.reward_transaction(Wallet())
reward_transaction.output['extra_recipient'] = 60
with pytest.raises(Exception, match='Invalid mining reward'):
Transaction.is_valid_transaction(reward_transaction)
def test_valid_reward_transaction():
reward_transaction = Transaction.reward_transaction(Wallet())
Transaction.is_valid_transaction(reward_transaction)
def test_reward_transaction():
miner_wallet = Wallet()
transaction = Transaction.reward_transaction(miner_wallet)
assert transaction.input == MINING_REWARD_INPUT
assert transaction.output[miner_wallet.address] == MINING_REWARD
