def __init__(self, network_uid, peers, state_file):
self.messenger = None
self.network_uid = network_uid
self.peers = peers # list of peer network uids
self.quorum_size = len(peers) / 2 + 1
self.state_file = state_file
self.lastTime = 0 # last time node sent an update to lead proposer
self.sendRate = 10 # num millisecs between updates sent to layer above
self.height = self.get_height(self.network_uid)
self.temp_updates = [
] #list of string proposals waiting to be sent to level above in hieararchy
#coordinator based data structures
self.pending_inter_ledger = dict(
) # self seq_num -> transaction - may not need to use (revise new_inter_ledger fct)
self.uncommitted_nodes = [
] #list of string ids of nodes that have pending inter-ledger transactions (coordinator based)
self.inter_ledger_seq = dict(
) #transaction -> seq (a list of seq num, sndr uid) --- stored in lca of coordinator based alg to track if 2 seq nums have been received for a transaction
self.inter_ledger_transaction = dict(
) #seq #-> tranasaction - used by lca so that after consensus on seq # it can recover transaction and send back to clusters
self.load_state()
self.paxos = PaxosInstance(self.network_uid, self.quorum_size,
self.promised_id, self.accepted_id,
self.accepted_value)
def advance_instance(self,
new_instance_number,
new_current_value,
catchup=False):
self.save_state(new_instance_number, new_current_value, None, None,
None)
self.paxos = PaxosInstance(self.network_uid, self.quorum_size, None,
None, None)
print 'UPDATED: ', new_instance_number, new_current_value
def __init__(self, network_uid, peers, state_file):
self.messenger = None
self.network_uid = network_uid
self.peers = peers # list of peer network uids
self.quorum_size = len(peers) / 2 + 1
self.state_file = state_file
self.load_state()
self.paxos = PaxosInstance(self.network_uid, self.quorum_size,
self.promised_id, self.accepted_id,
self.accepted_value)
