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@moocowmoo
Last active January 8, 2017 22:16
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projection of total dash generated if budget is completely allocated (max) or never allocated (min)
# blockchain state at first block of 2017
year_now = 2017
now_height = 596411
now_outstanding = 6990727
# 200423 == average annual block discovery rate across 2 years
avg_blocks_per_year = float(((596411 - 395793) + (395793 - 195565)) / 2)
# subsidy reduction interval in blocks
CYCLE_LENGTH=210240
def min_blok_subsidy(nHeight):
nSubsidy = float(5) # assume minimum subsidy
for i in range(CYCLE_LENGTH, nHeight, CYCLE_LENGTH):
nSubsidy -= nSubsidy/14
return nSubsidy
future_year = float(year_now)
totals = {
"max" : now_outstanding,
"min" : now_outstanding
}
print "approx minimum maximum min/max difference"
print "date coins coins difference percentage"
for block in range(now_height, now_height+(CYCLE_LENGTH*200), CYCLE_LENGTH):
future_year += float(CYCLE_LENGTH / avg_blocks_per_year)
month = int((future_year - int(future_year)) * 12) + 1
cycle_subsidy = (min_blok_subsidy(block) * CYCLE_LENGTH)
totals["max"] += int(cycle_subsidy * 1.0) # full budget allocated
totals["min"] += int(cycle_subsidy * 0.9) # no budget allocated
delta = totals["max"] - totals["min"]
delta_pct = (1.0 - float(totals["min"])/float(totals["max"])) * 100
fmt="{:02d}/{} {:10,d} {:10,d} {:10,d} {:.2f}%"
mod_scale = int(future_year) <= 2050 and 1 or 5
if int(future_year) % mod_scale == 0:
print fmt.format(month, int(future_year), totals["min"], totals["max"], delta, delta_pct)
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