def propose(self):
proposer = self.cm.proposer(self.height, self.round)
self.log('in propose',
proposer=proposer,
proposal=self.proposal,
lock=self.lock)
if proposer != self.cm.coinbase:
return
if self.proposal:
assert self.proposal.signature.address == self.cm.coinbase
assert self.lock
return
lockset = self.cm.last_valid_lockset
self.log('in creating proposal', lockset=lockset)
if self.round == 0 or lockset.has_noquorum:
cl = self.cm.last_committing_lockset # quorum which signs prev block
assert cl.has_quorum
block = Block(self.cm.coinbase, self.hm.height, self.round,
self.cm.head.hash, cl)
proposal = BlockProposal(self.signature(), lockset, block)
elif lockset.has_quorum_possible:
bh = lockset.has_quorum_possible
proposal = VotingInstruction(self.signature(), lockset, bh)
else:
raise Exception('invalid lockset')
self.log('created proposal', p=proposal)
self.proposal = proposal
return proposal
def test_comparisons():
s11 = Signature(0, 1, 1)
s12 = Signature(0, 1, 2)
s21 = Signature(0, 2, 1)
s22 = Signature(0, 2, 2)
assert s22.hr > s21.hr > s12.hr > s11.hr
assert s11.hr == s11.hr
assert s12.hr > s11.hr
assert s12.hr >= s11.hr
assert s21.hr > s11.hr
assert s21.hr >= s11.hr
assert s21.hr > s12.hr
assert not s21.hr <= s12.hr
assert s22.hr > s21.hr
assert s22.hr == s22.hr
assert s22.hr >= s22.hr
m11 = SignedMessage(s11)
m12 = SignedMessage(s12)
m21 = SignedMessage(s21)
m22 = SignedMessage(s22)
assert m22.hr > m21.hr > m12.hr > m11.hr
def mk_ls(h, r):
ls = LockSet()
votes = [
Locked(Signature(i, h, r), '0' * 32)
for i in range(ls.eligible_votes)
]
for i, v in enumerate(votes):
ls.add(v)
return ls
ls11, ls12, ls21, ls22 = (mk_ls(*s.hr) for s in (s11, s12, s21, s22))
assert ls22.hr > ls21.hr > ls12.hr > ls11.hr
block = Block(1, 2, 2, '0' * 32, ls12)
assert block
bp = BlockProposal(s22, ls21, block)
bp2 = BlockProposal(s22, ls21, block)
assert bp.hash == bp2.hash
assert bp == bp2
assert bp in set([bp2])
assert bp.hr == block.hr
assert block.hr > ls12.hr
assert block.hr == s22.hr
assert bp.hr == ls22.hr
l = Locked(s22, bp.hash)
l2 = Locked(s22, bp.hash)
assert l.hr == l2.hr
assert l in set([l2])
def test_BlockProposal():
ls = LockSet()
for i in range(10):
s = Signature(i, 2, 3)
ls.add(Locked(s, '0' * 32))
bls = LockSet()
for i in range(10):
s = Signature(i, 1, 2)
bls.add(Locked(s, '0' * 32))
assert len(ls) == 10
assert ls.has_quorum
block = Block(1, 2, 4, '0' * 32, bls)
p = BlockProposal(Signature(1, 2, 4), ls, block)
p2 = BlockProposal(Signature(1, 2, 4), ls, block)
assert p == p2
def __init__(self, block_id, **props):
Block.__init__(self, block_id, **props)
self.type = "snippet"
def __init__(self, block_id, **props):
Block.__init__(self, block_id, **props)
self.type = "rssfeed"
def __init__(self, block_id, **props):
Block.__init__(self, block_id, **props)
self.type = "ext_content"
def __init__(self, k=1):
Block.__init__(self)
self.changek = k
def __init__(self, out=2):
Block.__init__(self)
self._changeOut = out
def start_simulation(self):
mempool = Block(max_gas_size=self.max_block_size)
blockchain = []
current_block = Block(max_gas_size=self.max_block_size)
while not self.auction.is_end_of_auction():
# 0) check block time due
if self.auction.is_block_time_due():
if self.debug:
logging.info( 'Block executed: block %d, block gas %d, total fees %d' %
(self.auction.current_block_number(), current_block.total_gas(),
self.auction.block_price(current_block)))
self.auction.execute_block()
blockchain.append(current_block)
current_block = Block(max_gas_size=self.max_block_size)
# 1) tx recv
#for _ in range(self.txs_congestion_ratio):
tx = self.txs.next_transaction()
mempool.add_tx(tx)
wait_secs = self.txs.next_wait_time_ms() #/ self.txs_congestion_ratio
self.auction.sleep_wait_virtual(wait_secs)
if self.debug:
logging.info('transaction: '+str(tx))
logging.info('new mempool size: %d' % len(mempool))
logging.info('wait time seconds:'+str(wait_secs))
# 2) optional, choose new tx for block
mempool, chosen_tx = self.proposer.choose_tx_and_remove(mempool)
logging.info('chosen tx: ' + str(chosen_tx))
if chosen_tx and current_block.can_add_tx_size(chosen_tx):
if chosen_tx:
current_block.add_tx(chosen_tx)
if self.debug:
logging.info('chosen tx added to block #%d, new number of txs: %d' % (self.auction.current_block_number(),len(current_block)))
logging.info('block filled %.2f percent' % (100*current_block.total_gas() / self.max_block_size))
if chosen_tx and not current_block.can_add_tx_size(chosen_tx): # going back to mempool
mempool.add_tx(chosen_tx)
def __init__(self, k=1):
Block.__init__(self)
def __init__(self, block_id, **props):
Block.__init__(self, block_id, **props)
self.type = "image"
def __init__(self, k=1):
Block.__init__(self)
self.inp = 2
self._changeInput = self.inp
def __init__(self):
Block.__init__(self)
self.changeConstant = 1
self.inp = 0
self.inp_signals = [self.changeConstant] # значение по умолчанию
def __init__(self):
Block.__init__(self)
self.pure = False
self.x = []
self.y = []
self.out = 0
def test_Block():
genesis = mk_genesis(range(10))
b1 = Block(1, 2, 3, genesis.hash, genesis.lockset)
b2 = Block(1, 2, 3, genesis.hash, genesis.lockset)
assert b1 == b2