def test_rectangles_to_draw():
"""
Tests the rectangles to draw method.
"""
# Compute the rectangles for this hard-coded example.
# Convert to a set, since no particular rectangle order was required.
block = Block(0, children=[
Block(1, children=[
Block(2, COLOUR_LIST[2]),
Block(2, COLOUR_LIST[1]),
Block(2, COLOUR_LIST[2]),
Block(2, COLOUR_LIST[0])
]),
Block(1, children=[
Block(2, COLOUR_LIST[0]),
Block(2, COLOUR_LIST[1]),
Block(2, COLOUR_LIST[1]),
Block(2, COLOUR_LIST[2])
]),
Block(1, children=[
Block(2, COLOUR_LIST[2]),
Block(2, COLOUR_LIST[1]),
Block(2, COLOUR_LIST[1]),
Block(2, COLOUR_LIST[0])
]),
Block(1, children=[
Block(2, COLOUR_LIST[0]),
Block(2, COLOUR_LIST[2]),
Block(2, COLOUR_LIST[1]),
Block(2, COLOUR_LIST[2])
])
])
block.update_block_locations((0, 0), 50)
actual_set = set(block.rectangles_to_draw())
# Define the correct set of rectangles, again as a set.
correct_rectangles = [((138, 151, 71), (37, 0), (12, 12), 0),
((0, 0, 0), (37, 0), (12, 12), 3),
((199, 44, 58), (25, 0), (12, 12), 0),
((0, 0, 0), (25, 0), (12, 12), 3),
((138, 151, 71), (25, 12), (12, 12), 0),
((0, 0, 0), (25, 12), (12, 12), 3),
((1, 128, 181), (37, 12), (12, 12), 0),
((0, 0, 0), (37, 12), (12, 12), 3),
((1, 128, 181), (12, 0), (12, 12), 0),
((0, 0, 0), (12, 0), (12, 12), 3),
((199, 44, 58), (0, 0), (12, 12), 0),
((0, 0, 0), (0, 0), (12, 12), 3),
((199, 44, 58), (0, 12), (12, 12), 0),
((0, 0, 0), (0, 12), (12, 12), 3),
((138, 151, 71), (12, 12), (12, 12), 0),
((0, 0, 0), (12, 12), (12, 12), 3),
((138, 151, 71), (12, 25), (12, 12), 0),
((0, 0, 0), (12, 25), (12, 12), 3),
((199, 44, 58), (0, 25), (12, 12), 0),
((0, 0, 0), (0, 25), (12, 12), 3),
((199, 44, 58), (0, 37), (12, 12), 0),
((0, 0, 0), (0, 37), (12, 12), 3),
((1, 128, 181), (12, 37), (12, 12), 0),
((0, 0, 0), (12, 37), (12, 12), 3),
((1, 128, 181), (37, 25), (12, 12), 0),
((0, 0, 0), (37, 25), (12, 12), 3),
((138, 151, 71), (25, 25), (12, 12), 0),
((0, 0, 0), (25, 25), (12, 12), 3),
((199, 44, 58), (25, 37), (12, 12), 0),
((0, 0, 0), (25, 37), (12, 12), 3),
((138, 151, 71), (37, 37), (12, 12), 0),
((0, 0, 0), (37, 37), (12, 12), 3)]
correct_set = set(correct_rectangles)
# There must be no difference between the actual set and the correct set!
assert actual_set.difference(correct_set) == set()
assert correct_set.difference(actual_set) == set()
def child_block() -> Block:
"""Create a reference child block with a size of 750 and a max_depth of 0.
"""
return Block((0, 0), 750, COLOUR_LIST[0], 0, 0)
def test_JEN_score_blob_goal() -> None:
block1 = Block((0, 0), 16, None, 0, 2)
c1 = Block((8, 0), 8, (1, 128, 181), 1, 2)
c2 = Block((0, 0), 8, (199, 44, 58), 1, 2)
c3 = Block((0, 8), 8, None, 1, 2)
c4 = Block((8, 8), 8, None, 1, 2)
block1.children = [c1, c2, c3, c4]
b31 = Block((4, 8), 4, (1, 128, 181), 2, 2)
b32 = Block((0, 8), 4, (199, 44, 58), 2, 2)
b33 = Block((0, 12), 4, (255, 211, 92), 2, 2)
b34 = Block((4, 12), 4, (199, 44, 58), 2, 2)
c3.children = [b31, b32, b33, b34]
b41 = Block((12, 8), 4, (255, 211, 92), 2, 2)
b42 = Block((8, 8), 4, (199, 44, 58), 2, 2)
b43 = Block((8, 12), 4, (255, 211, 92), 2, 2)
b44 = Block((12, 12), 4, (199, 44, 58), 2, 2)
c4.children = [b41, b42, b43, b44]
block2 = Block((0, 0), 16, None, 0, 2)
c1 = Block((8, 0), 8, (1, 128, 181), 1, 2)
c2 = Block((0, 0), 8, (199, 44, 58), 1, 2)
c3 = Block((0, 8), 8, (255, 211, 92), 1, 2)
c4 = Block((8, 8), 8, (1, 128, 181), 1, 2)
block2.children = [c1, c2, c3, c4]
block3 = Block((0, 0), 16, None, 0, 2)
c1 = Block((8, 0), 8, (1, 128, 181), 1, 2)
c2 = Block((0, 0), 8, (199, 44, 58), 1, 2)
c3 = Block((0, 8), 8, None, 1, 2)
c4 = Block((8, 8), 8, (199, 44, 58), 1, 2)
block3.children = [c1, c2, c3, c4]
b31 = Block((4, 8), 4, (1, 128, 181), 2, 2)
b32 = Block((0, 8), 4, (199, 44, 58), 2, 2)
b33 = Block((0, 12), 4, (255, 211, 92), 2, 2)
b34 = Block((4, 12), 4, (0, 0, 0), 2, 2)
c3.children = [b31, b32, b33, b34]
b41 = Block((12, 8), 4, (255, 211, 92), 2, 2)
b42 = Block((8, 8), 4, (199, 44, 58), 2, 2)
b43 = Block((8, 12), 4, (0, 0, 0), 2, 2)
b44 = Block((12, 12), 4, (199, 44, 58), 2, 2)
c4.children = [b41, b42, b43, b44]
goal1 = BlobGoal((199, 44, 58))
goal2 = BlobGoal((255, 211, 92))
goal3 = BlobGoal((0, 0, 0))
block4 = Block((0, 0), 16, None, 0, 2)
c1 = Block((8, 0), 8, (1, 128, 181), 1, 2)
c2 = Block((0, 0), 8, (199, 44, 58), 1, 2)
c3 = Block((0, 8), 8, None, 1, 2)
c4 = Block((8, 8), 8, None, 1, 2)
block4.children = [c1, c2, c3, c4]
b31 = Block((4, 8), 4, (1, 128, 181), 2, 2)
b32 = Block((0, 8), 4, (199, 44, 58), 2, 2)
b33 = Block((0, 12), 4, (199, 44, 58), 2, 2)
b34 = Block((4, 12), 4, (199, 44, 58), 2, 2)
c3.children = [b31, b32, b33, b34]
b41 = Block((12, 8), 4, (255, 211, 92), 2, 2)
b42 = Block((8, 8), 4, (199, 44, 58), 2, 2)
b43 = Block((8, 12), 4, (199, 44, 58), 2, 2)
b44 = Block((12, 12), 4, (199, 44, 58), 2, 2)
c4.children = [b41, b42, b43, b44]
assert goal1.score(block1) == 5
assert goal1.score(block4) == 10
assert goal2.score(block1) == 1
assert goal2.score(block2) == 4
assert goal3.score(block3) == 2
assert goal3.score(block1) == 0
def get_block_object_from_block_data(block_data):
return Block(block_data['num_bloc'], block_data['id_contributeur'],
block_data['nonce'], block_data['preuve'],
block_data['previous_hash'], block_data['transactions'])
def test_JEN_block_to_squares() -> None:
block1 = Block((0, 0), 16, None, 0, 2)
c1 = Block((8, 0), 8, (1, 128, 181), 1, 2)
c2 = Block((0, 0), 8, (199, 44, 58), 1, 2)
c3 = Block((0, 8), 8, None, 1, 2)
c4 = Block((8, 8), 8, None, 1, 2)
block1.children = [c1, c2, c3, c4]
b31 = Block((4, 8), 4, (1, 128, 181), 2, 2)
b32 = Block((0, 8), 4, (199, 44, 58), 2, 2)
b33 = Block((0, 12), 4, (255, 211, 92), 2, 2)
b34 = Block((4, 12), 4, (199, 44, 58), 2, 2)
c3.children = [b31, b32, b33, b34]
b41 = Block((12, 8), 4, (255, 211, 92), 2, 2)
b42 = Block((8, 8), 4, (199, 44, 58), 2, 2)
b43 = Block((8, 12), 4, (255, 211, 92), 2, 2)
b44 = Block((12, 12), 4, (199, 44, 58), 2, 2)
c4.children = [b41, b42, b43, b44]
lst = _block_to_squares(block1)
assert ((1, 128, 181), (4, 8), 4) in lst
def add_block(self, data):
self.chain.append(Block(data))
server_sockets = {}
# stores all operations not added to blockchain yet
queue = []
# stores key values
kv_store = {}
# blockchain contains dicts with operation, nonce, hash
blockchain = Blockchain()
# simulates failed link between src (current process) and process in set
failed_links = set()
# leader
leader = None
ballot_num = list()
accept_num = [-1, -1, -1]
accept_val = Block()
majority_accept = threading.Event()
DELAY = 2
def writeToFile(pid):
with open("blockchain_{}.json".format(pid), "w") as f:
arr = []
for block in blockchain.chain:
print(block.operation)
arr.append(block.to_dict())
json.dump(arr, f, indent=4)
def readFromFile(pid):
with open("blockchain_{}.json".format(pid), "r") as f:
def getBlockWithData(self, *args):
"""Get block with data (x,y,z) => Block"""
ans = self.conn.sendReceive("world.getBlockWithData", intFloor(args))
return Block(*map(int, ans.split(",")))
def get_chain():
chain_snapshot = blockchain.chain
#serializable_chain = [Block(bl_el.index, bl_el.previous_hash, [tx.__dict__ for tx in bl_el.transactions], bl_el.proof, bl_el.timestamp) for bl_el in chain_snapshot]
#dict_chain = [block.__dict__ for block in serializable_chain]
dict_chain = [block.__dict__.copy() for block in [Block(bl_el.index, bl_el.previous_hash, [tx.__dict__ for tx in bl_el.transactions], bl_el.proof, bl_el.timestamp) for bl_el in chain_snapshot]]
return jsonify(dict_chain), 200
def add_block(self, transaction):
previous_hash = self.chain[len(self.chain) - 1].hash
new_block = Block(transaction, previous_hash)
new_block.generate_hash()
proof = self.proof_of_work(new_block)
self.chain.append(new_block)
def genesis_block(self):
transaction = []
previous_hash = '0'
genesis_block = Block(transaction, previous_hash)
genesis_block.generate_hash()
self.chain.append(genesis_block)
def genesis_block(self):
"""Initialise the blockchain with a unique block."""
self.chain.append(Block([], "0"))
def first(self):
"""Generate beginning of the chain."""
block = Block(0, "First block", "0") # with hash = 0
self.data.append(block)
return block
def next(self, previous, data):
"""Compute the next block using the previous one."""
block = Block(previous.index + 1, data, previous.hash)
self.data.append(block)
return block
def __init__(self):
print("创建一个新区块链\n")
self.chain = []
genesis_block = Block('创世区块')
self.chain.append(genesis_block)
def create_block(self):
return Block(index=0,
data_dict={'token': random.randint(0, 1000)},
previous_hash='')
from transaction_manager import TransactionManager
# flask init
app = Flask(__name__)
app.secret_key = 'super secret key'
# objects init
mutex = Lock()
s = Serializer()
block_chain = BlockChain()
transaction_manager = TransactionManager()
# create genesis block
genesis_block = Block(index=0,
timestamp=timer(),
transactions=transaction_manager.get_transactions(),
previous_hash="genesis_block",
difficulty=block_chain.get_difficulty())
block_chain.set_working_block(genesis_block)
@app.route('/', methods=['GET'])
def main():
return block_chain.to_html()
@app.route('/get_block', methods=['GET'])
def get_block():
return s.serialize(block_chain.get_working_block())
def add_transaction(self, transaction):
if not self.next_block:
self.next_block = Block(prev_hash=self.best_block_hash)
self.state = self.state.apply(transaction)
self.next_block.transactions.append(transaction)
def generate_block(self, x, y):
"""Create a new Block object at the given x,y and return it"""
new_block = Block(self.settings, self.screen, self.block_image)
new_block.rect.top = y
new_block.rect.left = x
return new_block
def read_block(block):
# Reads a block from a dictionary
return Block(read_header(block['header']),
[read_transaction(item) for item in block['transactions']])
def mine_block( self ):
print('In mine block, Resolve Conflicts =====>>> ' , self.resolve_conflicts )
if self.resolve_conflicts:
return Error.get_error_object( '409', 'Resolved conflict before you mine a new Block !')
if self.hosting_node_id == None:
print( 'Cannot mine the block for invalid sender, Did you generated Wallet? ' )
error = Error()
error.message= 'Cannot mine the block for invalid sender, Did you generated Wallet?'
error.code= 'MINE_MISSING_WALLET'
return error
last_block = self.__chain[-1]
hashed_block = hash_block( last_block )
# Calculate proof of work/nonce before you add reward tranasction
proof = self.proof_of_work()
copied_transactions = self.__open_transactions[:]
# Verify for the signature mismatch before you mine the block.
for tx in copied_transactions:
if not Wallet.verify_signature( tx ):
print( 'ERRPR:::Cannot mine the block as Signature is not matching...!!!' )
error = Error()
error.message= 'Cannot mine the block as Signature is not matching...!!!'
error.code= 'MINE_MISSING_SIGNATURE'
return error
reward_transaction = Transaction( 'MINNER', self.hosting_node_id, MINING_REWARDS, '' )
copied_transactions.append( reward_transaction )
block = Block( len( self.__chain ), hashed_block, copied_transactions, proof )
self.__chain.append( block )
self.__open_transactions = []
# Save data in a file.
self.save_data()
print('In mine block data has been saved successfully, Starting broadcast now !!! ')
# Let's inform other nodes for this mining using broadcasting a block
for node in self.__peer_nodes:
try:
url = 'http://{}/broadcast_block'.format( node )
converted_block = block.__dict__.copy()
converted_block['transactions'] = [ tx.__dict__ for tx in converted_block['transactions'] ]
print('Bradcasting mined block on ===>>> ' , url )
input = {
'block' : converted_block
}
response = requests.post( url, json={'block': converted_block} )
if response.status_code == 400 or response.status_code == 500:
print( 'Error:::Error in mine block for borading casting is ', response )
if response.status_code == 201:
print( '*** Mined Block broadcasted successfully ***' )
if response.status_code == 409:
print( '*** We need to resolve config which might caused due to earlier node network block missmatch...' )
self.resolve_conflicts = True
except ConnectionError:
print('Error connection a node server ', node )
print('Mine Block Broadcasting completed....')
return block
import json
import time
from transaction import Transaction
from block import Block
from key import BitcoinAccount
wallet = BitcoinAccount()
difficulty = 4
first_block = Block(0, "")
first_block.add_transaction("mohamed", "justine", 50, time.time())
first_block.mine(difficulty, wallet)
print("First block is: ")
print(first_block)
last_hash = first_block.hash_val
second_block = Block(1, last_hash)
second_block.mine(difficulty, wallet)
print("Second block is: ")
print(second_block)
print(json.dumps(second_block.to_dict()))
def __init__(self):
self.blockchain = Block()
# by default it is Roulette contract
self.contract = self.blockchain.deploy_contract()
self.owner_account = self.blockchain.eth.defaultAccount
self.accounts = self.blockchain.eth.accounts
properties = {"blocks": {}, "items": {}}
for name in os.listdir("data/properties/blocks/"):
file = open("data/properties/blocks/" + name, "r")
properties["blocks"].update({name[:-5]: json.loads(file.read())})
file.close()
for name in os.listdir("data/properties/items/"):
file = open("data/properties/items/" + name, "r")
properties["items"].update({name[:-5]: json.loads(file.read())})
file.close()
#generating map
gameMap = []
for y in range(WORLD_HEIGHT):
gameMap.append([])
for x in range(WORLD_WIDTH):
gameMap[y].append(Block("air"))
lastEnd = HEIGHT_DEFAULT
for i in range(WORLD_WIDTH // GENERATION_STEP):
thisEnd = random.randint(HEIGHT_DEFAULT - HEIGHT_DISPERSION,
HEIGHT_DEFAULT + HEIGHT_DISPERSION)
gameMap[lastEnd][i * GENERATION_STEP] = Block("grass")
for x in range(1, GENERATION_STEP):
gameMap[int(lastEnd - (lastEnd - thisEnd) / GENERATION_STEP *
x)][i * GENERATION_STEP + x] = Block("grass")
lastEnd = thisEnd
for y in range(WORLD_HEIGHT):
for blockX in range(len(gameMap[y])):
if gameMap[y][blockX].name == "grass":
gameMap[y - 1][blockX] = Block("dirt")
def test_JEN_combine() -> None:
block = Block((0, 0), 16, (1, 128, 181), 0, 2)
b1 = Block((8, 0), 8, (1, 128, 181), 1, 2)
b2 = Block((0, 0), 8, (199, 44, 58), 1, 2)
b3 = Block((0, 8), 8, (1, 128, 181), 1, 2)
b4 = Block((8, 8), 8, (255, 211, 92), 1, 2)
block.children = [b1, b2, b3, b4]
b31 = Block((4, 8), 4, (1, 128, 181), 2, 2)
b32 = Block((0, 8), 4, (199, 44, 58), 2, 2)
b33 = Block((0, 12), 4, (255, 211, 92), 2, 2)
b34 = Block((4, 12), 4, (199, 44, 58), 2, 2)
b3.children = [b31, b32, b33, b34]
b41 = Block((12, 8), 4, (255, 211, 92), 2, 2)
b42 = Block((8, 8), 4, (199, 44, 58), 2, 2)
b43 = Block((8, 12), 4, (255, 211, 92), 2, 2)
b44 = Block((12, 12), 4, (199, 44, 58), 2, 2)
b4.children = [b41, b42, b43, b44]
assert b34.combine() is False
assert block.combine() is False
assert b3.combine()
assert b4.combine() is False
assert block.combine
assert block.combine() is False
def create_genesis_block():
return Block(0, date.datetime.now(), "Genesis Block", "0")
def test_JEN_flatten() -> None:
blocky = Block((0, 0), 16, (1, 128, 181), 0, 0)
assert _flatten(blocky) == [[(1, 128, 181)]]
block = Block((0, 0), 16, None, 0, 1)
b1 = Block((8, 0), 8, (1, 128, 181), 1, 1)
b2 = Block((0, 0), 8, (199, 44, 58), 1, 1)
b3 = Block((0, 8), 8, (1, 128, 181), 1, 1)
b4 = Block((8, 8), 8, (255, 211, 92), 1, 1)
block.children = [b1, b2, b3, b4]
assert _flatten(block) == [[(199, 44, 58), (1, 128, 181)], [(1, 128, 181),
(255, 211, 92)]]
block1 = Block((0, 0), 16, None, 0, 2)
c1 = Block((8, 0), 8, (1, 128, 181), 1, 2)
c2 = Block((0, 0), 8, (199, 44, 58), 1, 2)
c3 = Block((0, 8), 8, None, 1, 2)
c4 = Block((8, 8), 8, None, 1, 2)
block1.children = [c1, c2, c3, c4]
b31 = Block((4, 8), 4, (1, 128, 181), 2, 2)
b32 = Block((0, 8), 4, (199, 44, 58), 2, 2)
b33 = Block((0, 12), 4, (255, 211, 92), 2, 2)
b34 = Block((4, 12), 4, (199, 44, 58), 2, 2)
c3.children = [b31, b32, b33, b34]
b41 = Block((12, 8), 4, (255, 211, 92), 2, 2)
b42 = Block((8, 8), 4, (199, 44, 58), 2, 2)
b43 = Block((8, 12), 4, (255, 211, 92), 2, 2)
b44 = Block((12, 12), 4, (199, 44, 58), 2, 2)
c4.children = [b41, b42, b43, b44]
block2 = Block((0, 0), 16, None, 0, 2)
c1 = Block((8, 0), 8, (1, 128, 181), 1, 2)
c2 = Block((0, 0), 8, (199, 44, 58), 1, 2)
c3 = Block((0, 8), 8, (255, 211, 92), 1, 2)
c4 = Block((8, 8), 8, (1, 128, 181), 1, 2)
block2.children = [c1, c2, c3, c4]
assert len(_flatten(block1)) == len(_flatten(block2))
assert _flatten(block1) == [[(199, 44, 58), (199, 44, 58), (199, 44, 58),
(255, 211, 92)], [(199, 44, 58), (199, 44, 58),
(1, 128, 181), (199, 44, 58)],
[(1, 128, 181), (1, 128, 181), (199, 44, 58),
(255, 211, 92)], [(1, 128, 181), (1, 128, 181),
(255, 211, 92), (199, 44, 58)]]
assert _flatten(block2) == [[(199, 44, 58), (199, 44, 58), (255, 211, 92), (255, 211, 92)],
[(199, 44, 58), (199, 44, 58), (255, 211, 92), (255, 211, 92)],
[(1, 128, 181), (1, 128, 181), (1, 128, 181), (1, 128, 181)],
[(1, 128, 181), (1, 128, 181), (1, 128, 181), (1, 128, 181)]]
def add_block(self, data):
new_block = Block(data, self.chain[-1].hash()) #上一个区块链的prevBlockHash
self.chain.append(new_block)
def create_genesis_block():
return Block(0, date.datetime.now(), 'Genesis Block', '0')
def __init__(self):
# Domain is (0,3)x(0,3)X(0,3) length unit
x_min, y_min, z_min = 1, 1, 1
x_max, y_max, z_max = 4, 4, 4
# Single block with 4x4x4 sites, 1 length unit apart
self.size_in_blocks = (1, 1, 1)
self.sites_along_block = 6
self.space_step = 1
sites = []
# Requirement: Sites are striped with the z coordinate changing most frequently, i.e. the z coordinate represents the least significant part of the site index within the block.
for index in np.ndindex(3 * (self.sites_along_block, )):
x_index, y_index, z_index = index
if ((x_index < x_min or x_index > x_max)
or (y_index < y_min or y_index > y_max)
or (z_index < z_min or z_index > z_max)):
# This site is solid
sites.append(Site(Site.solid_site, [], None))
else:
links = []
for direction in self.lattice_directions:
link_type = Link.no_boundary
# Assign an iolet id (the first iolet in the config xml file)
iolet_index = 0
# In this example, links that cross both wall and inlet/outlet (like the 8 corners of the cube) will be considered non-wall because of the ordering of the if statements below
if x_index == x_min and direction[0] == -1:
link_type = Link.wall
if x_index == x_max and direction[0] == 1:
link_type = Link.wall
if y_index == y_min and direction[1] == -1:
link_type = Link.wall
if y_index == y_max and direction[1] == 1:
link_type = Link.wall
if z_index == z_min and direction[2] == -1:
link_type = Link.inlet
if z_index == z_max and direction[2] == 1:
link_type = Link.outlet
# Assume walls are half a lattice away
wall_distance = 0.5
# iolet_index and wall_distance will be ignored when meaningless
links.append(Link(link_type, wall_distance, iolet_index))
# For sites at the intersection of two cube faces considered wall (i.e. perpendicular to the x or y
# axes), we arbitrarily choose the normal to lie along the y axis. The logic below must be consistent
# with Code/unittests/FourCubeLatticeData.h
normal = None
if x_index == x_min:
normal = np.array([-1, 0, 0])
if x_index == x_max:
normal = np.array([1, 0, 0])
if y_index == y_min:
normal = np.array([0, -1, 0])
if y_index == y_max:
normal = np.array([0, 1, 0])
sites.append(Site(Site.fluid_site, links, normal))
# Requirement: Blocks are striped with the z coordinate changing most frequently (i.e. the z coordinate represents the least significant part of the block index) then y and x slowest.
# This geometry is made of a single block with the sites defined above
self.blocks = [Block(sites)]
# Let the parent class do the rest
super(FourCube, self).__init__()
