def test_staking_transaction():
transaction = Transaction(
chain=1,
nonce=4_294_967_295,
fee=57000,
value=5_000_000,
to_address=Config.STAKING_ADDRESS,
unlock_sig=Config.COINBASE_UNLOCK_SIGNATURE,
)
assert transaction.validate() is False
with pytest.raises(TransactionNotValid,
match=errors.TRANSACTION_INVALID_STAKING):
transaction.validate_fields(raise_exception=True)
transaction = Transaction(
chain=1,
nonce=4_294_967_295,
fee=57000,
value=5_000_000,
to_address=Config.STAKING_ADDRESS,
)
transaction = transaction.sign(unhexlify(WALLET_1["private_key"]))
assert transaction.validate() is True
def test_validate_signatures(mocker):
"""
Test to check that the signatures are valid.
"""
transaction_original = Transaction(
chain=1,
nonce=4_294_967_295,
fee=57000,
value=5_000_000,
to_address="1H7NtUENrEbwSVm52fHePzBnu4W3bCqimP",
)
transaction = transaction_original.sign(PRIVATE_KEY_1)
assert transaction.validate() == True
# Incorrect Public Key / Signature
with mocker.patch(
"luracoin.transactions.deserialize_unlocking_script",
return_value=
{
"signature":
"6cfa3bd7427ec06e8c0e93911db0932fa18f763f617f4115929501affd0f95aacc71c66d0c7c535f3843d537cb5c424bb0ee59e5baf6df8966c6b58faa2abfc2",
"public_key":
"533b17c5cf044c799a67ad974250aeb72cb529ae59f4b8804adc6eb602dd5ee35c6f8a1910dd7924f89a624456f3c0f4e2c6d4117ee0fa7419af6c7ca120d596",
"address": "1C5fcCCJydpyQ7KqHBuGHJbwrwURHd62Lj",
},
):
assert transaction.validate() == False
# Invalid Public Key
with mocker.patch(
"luracoin.transactions.deserialize_unlocking_script",
return_value=
{
"signature":
"6cfa3bd7427ec06e8c0e93911db0932fa18f763f617f4115929501affd0f95aacc71c66d0c7c535f3843d537cb5c424bb0ee59e5baf6df8966c6b58faa2abfc2",
"public_key":
"0000000000000455d0fd9a38f1befcf1c7116feedd7407f42fcf4ad321e4710014740c3c370109a585debfb082d0889b99fa74708c3f41f0b3d39498cb65b3ee",
"address": "1C5fcCCJydpyQ7KqHBuGHJbwrwURHd62Lj",
},
):
assert transaction.validate() == False
transaction.to_transaction_pool()
def test_modify_transaction_after_signing(mocker):
"""
Test to check that you can't modify a transaction after signing it.
"""
transaction_original = Transaction(
chain=0,
nonce=4_294_967_295,
fee=57000,
value=5_000_000,
to_address="1H7NtUENrEbwSVm52fHePzBnu4W3bCqimP",
)
transaction = transaction_original.sign(PRIVATE_KEY_1)
transaction.value = 10_000_000
assert transaction.validate() == False
with pytest.raises(TransactionNotValid,
match=errors.TRANSACTION_INVALID_SIGNATURE):
transaction.validate(raise_exception=True)
def add_test_transactions():
transaction1 = Transaction(
chain=1,
nonce=1,
fee=57000,
value=5_000_000,
to_address=WALLET_2["address"],
)
transaction1 = transaction1.sign(unhexlify(WALLET_1["private_key"]))
assert transaction1.validate() == True
transaction1.to_transaction_pool()
transaction2 = Transaction(
chain=1,
nonce=1,
fee=157_000,
value=15_000_000,
to_address=WALLET_3["address"],
)
transaction2 = transaction2.sign(unhexlify(WALLET_2["private_key"]))
assert transaction2.validate() == True
transaction2.to_transaction_pool()
transaction3 = Transaction(
chain=1,
nonce=2,
fee=5700,
value=500_000,
to_address=WALLET_1["address"],
)
transaction3 = transaction3.sign(unhexlify(WALLET_2["private_key"]))
assert transaction3.validate() == True
transaction3.to_transaction_pool()
transaction4 = Transaction(chain=1,
nonce=2,
fee=50,
value=100,
to_address=WALLET_1["address"])
transaction4 = transaction4.sign(unhexlify(WALLET_2["private_key"]))
assert transaction4.validate() == True
transaction4.to_transaction_pool()
transaction5 = Transaction(chain=1,
nonce=2,
fee=150,
value=600,
to_address=WALLET_2["address"])
transaction5 = transaction5.sign(unhexlify(WALLET_3["private_key"]))
assert transaction5.validate() == True
transaction5.to_transaction_pool()
return [
transaction1,
transaction2,
transaction3,
transaction4,
transaction5,
]
def test_full_blockchain():
START_TIMESTAMP = 1639159886
chain = Chain()
assert chain.tip == 0
block1 = Block(
version=1,
height=0,
prev_block_hash="0" * 64,
miner=WALLET_1["address"],
timestamp=START_TIMESTAMP,
bits=Config.STARTING_DIFFICULTY,
nonce=156369,
txns=[],
)
print("\nBlock 1 \n" + json.dumps(block1.json(), indent=4))
block1.save()
# Check chain Height is updated
assert chain.tip == 0
# Check block file number is updated
assert chain.get_block_file_number(0) == 0
# Check that the block file contains one block
assert len(Block.get_blocks_from_file(0)) == 1
# Check that the block retrieved from the files is the same
assert Block.get(0).id == block1.id
assert Block.get(0).serialize() == block1.serialize()
# TODO: Check miner balance
# TODO: Check file content
# TODO: Check stacking
# Transaction to stack 15 Luracoins
transaction_1 = Transaction(
chain=1,
nonce=1,
fee=0,
value=Config.LURASHIS_PER_COIN * 15,
to_address=Config.STAKING_ADDRESS,
)
transaction_1.sign(unhexlify(WALLET_1["private_key"]))
assert transaction_1.validate() == True
block2 = Block(
version=1,
height=1,
prev_block_hash=block1.id,
miner=WALLET_1["address"],
timestamp=START_TIMESTAMP + (3*60), # 3 minutes
bits=Config.STARTING_DIFFICULTY,
nonce=4358788,
txns=[transaction_1],
)
print("\nBlock 2 \n" + json.dumps(block2.json(), indent=4))
block2.save()
# Check chain Height is updated
assert chain.tip == 1
# Check block file number is updated
assert chain.get_block_file_number(0) == 0
# Check that the block file contains two blocks
assert len(Block.get_blocks_from_file(0)) == 2
# Check that the block retrieved from the files is the same
assert Block.get(1).id == block2.id
assert Block.get(1).serialize() == block2.serialize()
# TODO: Check miner balance
# TODO: Check file content
# TODO: Check stacking
assert False