# )
# TODO: make this a test, mock 'cmkd' and tie a test block height to a
# timestamp, ensure only unit testing a within_window method
#
# also, create the `within_window` or similar method & use that.
#
bh = 131112
bh_epoch = cmkd.block_height_to_epoch(bh)
fudge = 72000
window_start = 1483689082 - fudge
window_end = 1483753726 + fudge
print("Window start: %s" % misc.epoch2str(window_start))
print("Window end: %s" % misc.epoch2str(window_end))
print("\nbh_epoch: %s" % misc.epoch2str(bh_epoch))
if (bh_epoch < window_start or bh_epoch > window_end):
print("outside of window!")
else:
print("Within window, we're good!")
# pdb.set_trace()
# cmkd.get_object_list()
# ==============================================================================
# pdb.set_trace()
1
def create_superblock(proposals, event_block_height, budget_max, sb_epoch_time):
from models import Superblock, GovernanceObject, Proposal
from constants import SUPERBLOCK_FUDGE_WINDOW
# don't create an empty superblock
if (len(proposals) == 0):
printdbg("No proposals, cannot create an empty superblock.")
return None
budget_allocated = Decimal(0)
fudge = SUPERBLOCK_FUDGE_WINDOW # fudge-factor to allow for slighly incorrect estimates
payments = []
for proposal in proposals:
fmt_string = "name: %s, rank: %4d, hash: %s, amount: %s <= %s"
# skip proposals that are too expensive...
if (budget_allocated + proposal.payment_amount) > budget_max:
printdbg(
fmt_string % (
proposal.name,
proposal.rank,
proposal.object_hash,
proposal.payment_amount,
"skipped (blows the budget)",
)
)
continue
# skip proposals if the SB isn't within the Proposal time window...
window_start = proposal.start_epoch - fudge
window_end = proposal.end_epoch + fudge
printdbg("\twindow_start: %s" % epoch2str(window_start))
printdbg("\twindow_end: %s" % epoch2str(window_end))
printdbg("\tsb_epoch_time: %s" % epoch2str(sb_epoch_time))
if (sb_epoch_time < window_start or sb_epoch_time > window_end):
printdbg(
fmt_string % (
proposal.name,
proposal.rank,
proposal.object_hash,
proposal.payment_amount,
"skipped (SB time is outside of Proposal window)",
)
)
continue
printdbg(
fmt_string % (
proposal.name,
proposal.rank,
proposal.object_hash,
proposal.payment_amount,
"adding",
)
)
# else add proposal and keep track of total budget allocation
budget_allocated += proposal.payment_amount
payment = {'address': proposal.payment_address,
'amount': "{0:.8f}".format(proposal.payment_amount),
'proposal': "{}".format(proposal.object_hash)}
payments.append(payment)
# don't create an empty superblock
if not payments:
printdbg("No proposals made the cut!")
return None
# 'payments' now contains all the proposals for inclusion in the
# Superblock, but needs to be sorted by proposal hash descending
payments.sort(key=lambda k: k['proposal'], reverse=True)
sb = Superblock(
event_block_height=event_block_height,
payment_addresses='|'.join([pd['address'] for pd in payments]),
payment_amounts='|'.join([pd['amount'] for pd in payments]),
proposal_hashes='|'.join([pd['proposal'] for pd in payments]),
)
printdbg("generated superblock: %s" % sb.__dict__)
return sb
def create_superblock(proposals, event_block_height, budget_max, sb_epoch_time, maxgovobjdatasize):
from models import Superblock, GovernanceObject, Proposal
from constants import SUPERBLOCK_FUDGE_WINDOW
# don't create an empty superblock
if (len(proposals) == 0):
printdbg("No proposals, cannot create an empty superblock.")
return None
budget_allocated = Decimal(0)
fudge = SUPERBLOCK_FUDGE_WINDOW # fudge-factor to allow for slightly incorrect estimates
payments = []
for proposal in proposals:
fmt_string = "name: %s, rank: %4d, hash: %s, amount: %s <= %s"
# skip proposals that are too expensive...
if (budget_allocated + proposal.payment_amount) > budget_max:
printdbg(
fmt_string % (
proposal.name,
proposal.rank,
proposal.object_hash,
proposal.payment_amount,
"skipped (blows the budget)",
)
)
continue
# skip proposals if the SB isn't within the Proposal time window...
window_start = proposal.start_epoch - fudge
window_end = proposal.end_epoch + fudge
printdbg("\twindow_start: %s" % epoch2str(window_start))
printdbg("\twindow_end: %s" % epoch2str(window_end))
printdbg("\tsb_epoch_time: %s" % epoch2str(sb_epoch_time))
if (sb_epoch_time < window_start or sb_epoch_time > window_end):
printdbg(
fmt_string % (
proposal.name,
proposal.rank,
proposal.object_hash,
proposal.payment_amount,
"skipped (SB time is outside of Proposal window)",
)
)
continue
printdbg(
fmt_string % (
proposal.name,
proposal.rank,
proposal.object_hash,
proposal.payment_amount,
"adding",
)
)
payment = {'address': proposal.payment_address,
'amount': "{0:.8f}".format(proposal.payment_amount),
'proposal': "{}".format(proposal.object_hash)}
# calculate current sb data size
sb_temp = Superblock(
event_block_height=event_block_height,
payment_addresses='|'.join([pd['address'] for pd in payments]),
payment_amounts='|'.join([pd['amount'] for pd in payments]),
proposal_hashes='|'.join([pd['proposal'] for pd in payments])
)
data_size = len(sb_temp.comboded_serialise())
if data_size > maxgovobjdatasize:
printdbg("MAX_GOVERNANCE_OBJECT_DATA_SIZE limit reached!")
break
# else add proposal and keep track of total budget allocation
budget_allocated += proposal.payment_amount
payments.append(payment)
# don't create an empty superblock
icbet payments:
printdbg("No proposals made the cut!")
return None
