"""Pure scheduled mainnet subsidy; includes genesis allowance.
Not a circulating-supply audit. No network, wallet access or broadcasts.
Reference: Litecoin Core v0.21.5.8 validation.cpp and chainparams.cpp.
"""
import argparse,json
COIN=100_000_000
INTERVAL=840_000
def subsidy(height):
    if not isinstance(height,int) or isinstance(height,bool) or height<0:raise ValueError('Use a nonnegative integer mainnet height')
    e=height//INTERVAL
    return (50*COIN)>>e if e<33 else 0
def scheduled(height):
    subsidy(height)
    return sum(max(0,min(INTERVAL,height-e*INTERVAL+1))*((50*COIN)>>e) for e in range(33))
def ltc(units):return str(units//COIN)+'.'+str(units%COIN).zfill(8)
def check():
    assert subsidy(839999)==50*COIN and subsidy(840000)==25*COIN
    assert subsidy(3359999)==625000000 and subsidy(3360000)==312500000
    assert subsidy(27719999)==1 and subsidy(27720000)==0
    assert scheduled(3199297)==7774561250000000
    assert scheduled(27719999)==8399999990760000
    assert scheduled(3359999)==7875000000000000
    assert scheduled(3360000)==7875000312500000
    for e in range(1,34):
        h=e*INTERVAL
        assert scheduled(h)-scheduled(h-1)==subsidy(h)
        assert scheduled(h-1)-scheduled(h-2)==subsidy(h-1)
if __name__=='__main__':
    p=argparse.ArgumentParser(description=__doc__);p.add_argument('--height',type=int,default=3199297);a=p.parse_args();check()
    print(json.dumps({'kind':'scheduled allowance including genesis, not circulating supply','height':a.height,'subsidy_litoshis':subsidy(a.height),'subsidy_ltc':ltc(subsidy(a.height)),'scheduled_allowance_litoshis':scheduled(a.height),'scheduled_allowance_ltc':ltc(scheduled(a.height))},indent=2))