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)
