def test_block_serialize__with_one_transaction(blockchain):
coinbase_transacion = Transaction(
chain=1,
nonce=8763,
fee=100,
value=50000,
to_address="1H7NtUENrEbwSVm52fHePzBnu4W3bCqimP",
unlock_sig=Config.COINBASE_UNLOCK_SIGNATURE,
)
block1 = Block(
version=1,
height=0,
miner=WALLET_1["address"],
prev_block_hash="0" * 64,
timestamp=1_623_168_442,
bits=b"\x1f\x00\xff\xff",
nonce=0,
txns=[coinbase_transacion],
)
block2 = Block().deserialize(block1.serialize())
assert block1.id == block2.id
assert block1.json() == block2.json()
def test_block_save():
coinbase_transaction_1 = Transaction(
chain=1,
nonce=1,
fee=0,
value=50000,
to_address="1H7NtUENrEbwSVm52fHePzBnu4W3bCqimP",
unlock_sig=Config.COINBASE_UNLOCK_SIGNATURE,
)
block1 = Block(
version=1,
height=0,
miner=WALLET_1["address"],
prev_block_hash="0" * 64,
timestamp=1_623_168_442,
bits=b"\x1d\x0f\xff\xff",
nonce=12308683,
txns=[coinbase_transaction_1],
)
print(block1.json())
coinbase_transaction_2 = Transaction(
chain=1,
nonce=2,
fee=0,
value=50000,
to_address="1H7NtUENrEbwSVm52fHePzBnu4W3bCqimP",
unlock_sig=Config.COINBASE_UNLOCK_SIGNATURE,
)
block2 = Block(
version=1,
height=1,
miner=WALLET_1["address"],
prev_block_hash=block1.id,
timestamp=1_623_168_442,
bits=b"\x1d\x0f\xff\xff",
nonce=12308683,
txns=[coinbase_transaction_2],
)
print(block2.json())
chain = Chain()
assert chain.tip == 0
block1.save()
assert chain.tip == 0
block2.save()
assert chain.tip == 1
assert False
def test_block_serialize__with_multiple_transaction():
coinbase_transaction_1 = Transaction(
chain=1,
nonce=1,
fee=0,
value=50000,
to_address="1H7NtUENrEbwSVm52fHePzBnu4W3bCqimP",
unlock_sig=Config.COINBASE_UNLOCK_SIGNATURE,
)
block1 = Block(
version=1,
height=0,
miner=WALLET_1["address"],
prev_block_hash="0" * 64,
timestamp=1_623_168_442,
bits=b"\x1f\x00\xff\xff",
nonce=0,
txns=[coinbase_transaction_1],
)
transactions = add_test_transactions()
coinbase_transaction_2 = Transaction(
chain=1,
nonce=2,
fee=0,
value=50000,
to_address="1H7NtUENrEbwSVm52fHePzBnu4W3bCqimP",
unlock_sig=Config.COINBASE_UNLOCK_SIGNATURE,
)
block2 = Block(
version=1,
height=1,
miner=WALLET_1["address"],
prev_block_hash=block1.id,
timestamp=1_623_208_442,
bits=b"\x1f\x00\xff\xff",
nonce=0,
txns=[coinbase_transaction_2, *transactions],
)
block3 = Block().deserialize(block2.serialize())
assert block2.id == block3.id
assert block2.json() == block3.json()
from luracoin.helpers import bits_to_target
from luracoin.blocks import Block
from luracoin.transactions import Transaction
from tests.helpers import add_test_transactions
from luracoin.config import Config
from luracoin.pow import proof_of_work
coinbase_transaction_1 = Transaction(
chain=1,
nonce=1,
fee=0,
value=50000,
to_address="1H7NtUENrEbwSVm52fHePzBnu4W3bCqimP",
unlock_sig=Config.COINBASE_UNLOCK_SIGNATURE,
)
block1 = Block(
version=1,
height=0,
prev_block_hash="0" * 64,
timestamp=1_623_168_442,
bits=b"\x1d\x0f\xff\xff",
nonce=0,
txns=[coinbase_transaction_1],
)
# Nonce: 12308683
proof_of_work(block1, 12_308_683)
print(block1.json())
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