def verify_nonce ( block ):
#throttle = 10000000
#target = 2**64 / throttle
target = 40000000000000000000
hashval = gethash.gethashofblock( block )
guess, = struct.unpack('>Q',hashval[0:8])
if guess <= target:
return 1; #verified
else :
return 0; #incorrect!
def proofofwork ( block ) :
nonce = 0
guess = 99999999999999999999
#throttle = 10000000
#target = 2**64 / throttle
target = 4000000000000000000
while guess > target:
nonce = nonce + 1
#if nonce % 1000 == 0:
#print nonce
block.nonce = nonce
hashval = gethash.gethashofblock( block )
guess, = struct.unpack('>Q',hashval[0:8])