Topic: [XPM] Primecoin Record Books - page 6. (Read 34601 times)

=== Current Records ===

       1CC    2CC    TWN

 06    633    475    399
 07    356    251   *268
 08    186    224    177
 09    185   *158   *121
 10   *100    109   *100
 11     50     63     --
 12     42     62     47
 13     39     33     --
 14     25     33     29
 15     24     32     --
 16     23     28     24
 17     22     25     --
 18     --     --     24
 19     --     --     --

*Found by Primecoin network

from jsonrpc import ServiceProxy

import json

USER = ''
PASS = ''
PORT = 9912


fname = 'worldrecords.txt'

# Searching for new world records

def main():
	ip = '127.0.0.1'
	addy = 'http://%s:%s@%s:%i' % (USER,PASS,ip,PORT)
	p = ServiceProxy(addy)
	
	# http://users.cybercity.dk/~dsl522332/math/Cunningham_Chain_records.htm
	# http://www.primenumbers.net/Henri/fr-us/BiTwinRec.htm

	records = {
		# Length 6
		'1CC06':{
			'digits':633,
			'block':None
		},
		'2CC06':{
			'digits':475,
			'block':None
		},
		# BiTwin chain of 6 primes, 2 links
		'TWN06':{
			'digits':399,
			'block':None
		},
		# Length 7
		'1CC07':{
			'digits':356,
			'block':None
		},
		'2CC07':{
			'digits':251,
			'block':None
		},
		# Length 8
		'1CC08':{
			'digits':186,
			'block':None
		},
		'2CC08':{
			'digits':224,
			'block':None
		},
		# BiTwin chain of 8 primes, 3 links
		'TWN08':{
			'digits':177,
			'block':None
		},
		# Length 9
		'1CC09':{
			'digits':185,
			'block':None
		},
		'2CC09':{
			'digits':111,
			'block':None
		},
		# Length 10
		'1CC0a':{
			'digits':99,
			'block':None
		},
		'2CC0a':{
			'digits':109,
			'block':None
		},
		# BiTwin chain of 10 primes, 4 links
		'TWN0a':{
			'digits':92,
			'block':None
		},
		# Length 11
		'1CC0b':{
			'digits':50,
			'block':None
		},
		'2CC0b':{
			'digits':63,
			'block':None
		},
		# Length 12
		'1CC0c':{
			'digits':42,
			'block':None
		},
		'2CC0c':{
			'digits':62,
			'block':None
		},
		# BiTwin chain of 12 primes, 5 links
		'TWN0c':{
			'digits':47,
			'block':None
		},
		# Length 13
		'1CC0d':{
			'digits':39,
			'block':None
		},
		'2CC0d':{
			'digits':33,
			'block':None
		},
		# Length 14
		'1CC0e':{
			'digits':25,
			'block':None
		},
		'2CC0e':{
			'digits':33,
			'block':None
		},
		# BiTwin chain of 14 primes, 6 links
		'TWN0e':{
			'digits':29,
			'block':None
		},
		# Length 15
		'1CC0f':{
			'digits':24,
			'block':None
		},
		'2CC0f':{
			'digits':32,
			'block':None
		},
		# Length 16
		'1CC10':{
			'digits':23,
			'block':None
		},
		'2CC10':{
			'digits':28,
			'block':None
		},
		# BiTwin chain of 16 primes, 7 links
		'TWN10':{
			'digits':24,
			'block':None
		},
		# Length 17
		'1CC11':{
			'digits':22,
			'block':None
		},
		'2CC11':{
			'digits':25,
			'block':None
		},
		# Length 18
		'1CC12':{
			'digits':None,
			'block':None
		},
		'2CC12':{
			'digits':None,
			'block':None
		},
		# BiTwin chain of 18 primes, 8 links
		'TWN12':{
			'digits':24,
			'block':None
		}
	}

	data = {}

	try:
		with open(fname, 'r') as f:
			data = json.load(f)
	except:
		pass

	height = 1

	if 'height' in data:
		height = data['height']

	if 'records' in data:
		records = data['records']

	blockHash = p.getblockhash(height)
	block = p.getblock(blockHash)

	while 'nextblockhash' in block:
		chain = block['primechain'].split('.')[0]
		chainlength = 0
		try:
			chainlength = int(chain[3:5],16)
		except:
			print('Error with chain: %s, Block %i' % (chain,block['height']))
		origin = block['primeorigin']
		digits = len(origin)
		height = block['height']

		if chain in records:
			if digits > records[chain]['digits']:
				print('New World Record!')
				print(' Block %i, Chain %s (%i primes), %i digits' %
					(height, chain, chainlength, digits))
				if records[chain]['block'] is not None:
					print(' *Previous record held by Primecoin, Block %i' % 
						(records[chain]['block'],))
				print(' Previous record: %i digits' % (records[chain]['digits']))
				records[chain]['digits'] = digits
				records[chain]['block'] = height
		else:
			print('New Chain Type: %s, Block %i, %i digits' % 
				(chain, height, digits))
			records[chain] = {
				'digits':digits,
				'block': height
			}

		block = p.getblock(block['nextblockhash'])

	print('End of block chain reached.')

	data = {
		'records': records,
		'height': block['height']
	}

	with open(fname, 'w') as f:
		json.dump(data, f)

	print('\n\n=== Current Records ===\n')
	types = ['1CC', '2CC', 'TWN']
	s = '   '
	for t in types:
		s = '%s%7s' % (s, t)
	print('%s\n' % (s,))
	for i in range(6,20):
		s = ' %.2i' % (i,)
		for t in types:
			chain = '%s%s' % (t,hex(i)[2:].zfill(2))
			if chain not in records or records[chain]['digits'] is None:
				s = '%s%7s' % (s,'--')
			else:
				if records[chain]['block'] is not None:
					s = '%s%7s' % (s, ('*%i' % (records[chain]['digits'])).rjust(7))
				else:
					s = '%s%7i' % (s, records[chain]['digits'])
		print(s)
	print('\n*Found by Primecoin network\n')

if __name__ == '__main__':
	main()