def miningBlock(self, higher):
stringOfZeros = "0" * int(self.POW)
d = Date()
block = NodeMemory._get_new_hash(self, higher, self.POW, d.get_date(),
'')
# while stringHash not found
if block[1].startswith(stringOfZeros):
# On affiche un message
print('New block mined with hash ' + block[2] + '\n' + block[0] +
'\n')
# Retourne l'ID du bloc miné
return block[2]
return False
def miningBlock(self):
higher = Node.getHigherBlock(self)
if higher != False:
stringOfZeros = "0" * int(self.POW)
d = Date()
transactions = self.pendingTransactions.listValidTrans(
self.accounts)
block = Node._get_new_hash(self, higher, self.POW, d.get_date(),
' '.join(transactions))
# while stringHash not found
if block[1].startswith(stringOfZeros):
# On valide les transactions
for t in transactions:
# Copié la transaction depuis celles en attente vers celles valides
current = self.pendingTransactions.readTrans(t)
self.pendingTransactions.transDelete(t)
self.transactions.writeTrans(current['from'],
current['to'],
current['amount'],
current['fees'])
# Met à jour les comptes
self.accounts.modify_account(
current['from'],
self.accounts.get_account_amount(current['from']) -
float(current['amount']) - float(current['fees']))
self.accounts.modify_account(
current['to'],
self.accounts.get_account_amount(current['to']) +
float(current['amount']))
# On crée le bloc
self.blocks.writeBlockFromString(block[0], block[2])
# On affiche un message
print('\nNew block mined with hash ' + block[2] + '\n' +
block[0] + '\n')
return True
return False
