def attempt_superblock_creation(ImageCoind):
import dashlib
if not ImageCoind.is_masternode():
print("We are not a Masternode... can't submit superblocks!")
return
# query votes for this specific ebh... if we have voted for this specific
# ebh, then it's voted on. since we track votes this is all done using joins
# against the votes table
#
# has this masternode voted on *any* superblocks at the given event_block_height?
# have we voted FUNDING=YES for a superblock for this specific event_block_height?
event_block_height = ImageCoind.next_superblock_height()
if Superblock.is_voted_funding(event_block_height):
# printdbg("ALREADY VOTED! 'til next time!")
# vote down any new SBs because we've already chosen a winner
for sb in Superblock.at_height(event_block_height):
if not sb.voted_on(signal=VoteSignals.funding):
sb.vote(ImageCoind, VoteSignals.funding, VoteOutcomes.no)
# now return, we're done
return
if not ImageCoind.is_govobj_maturity_phase():
printdbg("Not in maturity phase yet -- will not attempt Superblock")
return
proposals = Proposal.approved_and_ranked(proposal_quorum=ImageCoind.governance_quorum(), next_superblock_max_budget=ImageCoind.next_superblock_max_budget())
budget_max = ImageCoind.get_superblock_budget_allocation(event_block_height)
sb_epoch_time = ImageCoind.block_height_to_epoch(event_block_height)
sb = dashlib.create_superblock(proposals, event_block_height, budget_max, sb_epoch_time)
if not sb:
printdbg("No superblock created, sorry. Returning.")
return
# find the deterministic SB w/highest object_hash in the DB
dbrec = Superblock.find_highest_deterministic(sb.hex_hash())
if dbrec:
dbrec.vote(ImageCoind, VoteSignals.funding, VoteOutcomes.yes)
# any other blocks which match the sb_hash are duplicates, delete them
for sb in Superblock.select().where(Superblock.sb_hash == sb.hex_hash()):
if not sb.voted_on(signal=VoteSignals.funding):
sb.vote(ImageCoind, VoteSignals.delete, VoteOutcomes.yes)
printdbg("VOTED FUNDING FOR SB! We're done here 'til next superblock cycle.")
return
else:
printdbg("The correct superblock wasn't found on the network...")
# if we are the elected masternode...
if (ImageCoind.we_are_the_winner()):
printdbg("we are the winner! Submit SB to network")
sb.submit(ImageCoind)
def test_deterministic_superblock_creation(go_list_proposals):
import dashlib
from dashd import DashDaemon
dashd = DashDaemon.from_dash_conf(config.dash_conf)
for item in go_list_proposals:
(go, subobj) = GovernanceObject.import_gobject_from_dashd(dashd, item)
prop_list = Proposal.approved_and_ranked(dashd)
sb = dashlib.create_superblock(dashd, prop_list, 72000)
assert sb.event_block_height == 72000
assert sb.payment_addresses == 'yYe8KwyaUu5YswSYmB3q3ryx8XTUu9y7Ui|yYe8KwyaUu5YswSYmB3q3ryx8XTUu9y7Ui'
assert sb.payment_amounts == '25.75000000|25.75000000'
assert sb.hex_hash(
) == 'f740f95ef49b050f522ba2bda921819b72dbab7c622bfdd3786624e3fbf6e25f'
def test_deterministic_superblock_creation(go_list_proposals):
import dashlib
import misc
from dashd import DashDaemon
dashd = DashDaemon.from_dash_conf(config.dash_conf)
for item in go_list_proposals:
(go, subobj) = GovernanceObject.import_gobject_from_dashd(dashd, item)
max_budget = 60
prop_list = Proposal.approved_and_ranked(proposal_quorum=1, next_superblock_max_budget=max_budget)
sb = dashlib.create_superblock(prop_list, 72000, budget_max=max_budget, sb_epoch_time=misc.now())
assert sb.event_block_height == 72000
assert sb.payment_addresses == 'yYe8KwyaUu5YswSYmB3q3ryx8XTUu9y7Ui|yTC62huR4YQEPn9AJHjnQxxreHSbgAoatV'
assert sb.payment_amounts == '25.75000000|32.01000000'
assert sb.proposal_hashes == 'dfd7d63979c0b62456b63d5fc5306dbec451180adee85876cbf5b28c69d1a86c|0523445762025b2e01a2cd34f1d10f4816cf26ee1796167e5b029901e5873630'
assert sb.hex_hash() == '5534e9fa4a51423820b9e19fa6d4770c12ea0a5663e8adff8223f5e8b6df641c'
def test_deterministic_superblock_creation(go_list_proposals):
import dashlib
import misc
from sibcoind import SibcoinDaemon
sibcoind = SibcoinDaemon.from_sibcoin_conf(config.sibcoin_conf)
for item in go_list_proposals:
(go, subobj) = GovernanceObject.import_gobject_from_dashd(sibcoind, item)
max_budget = 60
prop_list = Proposal.approved_and_ranked(proposal_quorum=1, next_superblock_max_budget=max_budget)
sb = dashlib.create_superblock(prop_list, 72000, budget_max=max_budget, sb_epoch_time=misc.now())
assert sb.event_block_height == 72000
assert sb.payment_addresses == 'seVNpH5rkau8dKhumiLF1BYspp2vf7Lkyb|sftsJedhmLqYBWPkbvpqksqsvS9pAbLaLS'
assert sb.payment_amounts == '25.75000000|32.01000000'
assert sb.proposal_hashes == 'dfd7d63979c0b62456b63d5fc5306dbec451180adee85876cbf5b28c69d1a86c|0523445762025b2e01a2cd34f1d10f4816cf26ee1796167e5b029901e5873630'
assert sb.hex_hash() == '96887a5a2ea9201542f95209f5a9a26c2166107e760a21fceead68e00ae5a778'
def test_deterministic_superblock_creation(go_list_proposals):
import dashlib
import misc
from dashd import DashDaemon
dashd = DashDaemon.from_dash_conf(config.dash_conf)
for item in go_list_proposals:
(go, subobj) = GovernanceObject.import_gobject_from_dashd(dashd, item)
max_budget = 60
prop_list = Proposal.approved_and_ranked(proposal_quorum=1, next_superblock_max_budget=max_budget)
# MAX_GOVERNANCE_OBJECT_DATA_SIZE defined in governance-object.h
maxgovobjdatasize = 16 * 1024
sb = dashlib.create_superblock(prop_list, 72000, max_budget, misc.now(), maxgovobjdatasize)
assert sb.event_block_height == 72000
assert sb.payment_addresses == 'yYe8KwyaUu5YswSYmB3q3ryx8XTUu9y7Ui|yTC62huR4YQEPn9AJHjnQxxreHSbgAoatV'
assert sb.payment_amounts == '25.75000000|32.01000000'
assert sb.proposal_hashes == 'dfd7d63979c0b62456b63d5fc5306dbec451180adee85876cbf5b28c69d1a86c|0523445762025b2e01a2cd34f1d10f4816cf26ee1796167e5b029901e5873630'
assert sb.hex_hash() == 'bb3f33ccf95415c396bd09d35325dbcbc7b067010d51c7ccf772a9e839c1e414'
def test_superblock_size_limit(go_list_proposals):
import dashlib
import misc
from dashd import DashDaemon
dashd = DashDaemon.from_dash_conf(config.dash_conf)
for item in go_list_proposals:
(go, subobj) = GovernanceObject.import_gobject_from_dashd(dashd, item)
max_budget = 60
prop_list = Proposal.approved_and_ranked(proposal_quorum=1, next_superblock_max_budget=max_budget)
maxgovobjdatasize = 469
sb = dashlib.create_superblock(prop_list, 72000, max_budget, misc.now(), maxgovobjdatasize)
# two proposals in the list, but...
assert len(prop_list) == 2
# only one should have been included in the SB, because the 2nd one is over the limit
assert sb.event_block_height == 72000
assert sb.payment_addresses == 'yYe8KwyaUu5YswSYmB3q3ryx8XTUu9y7Ui'
assert sb.payment_amounts == '25.75000000'
assert sb.proposal_hashes == 'dfd7d63979c0b62456b63d5fc5306dbec451180adee85876cbf5b28c69d1a86c'
assert sb.hex_hash() == '6b8cababf797644f1d62003e4cc68c1c40a8c1873c8a68ed0fc88772ea77cc44'