# create transaction tx = CTransaction() tx.vin.append(txin) tx.vout.append(txout) tx.calc_sha256() print tx print "Transaction: ", tx.is_valid() print "hash: ", hex(tx.sha256) print "Hash: ", "0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b" block = CBlock() block.nVersion = 1 block.hashPrevBlock = 0 block.hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b block.nTime = 1231006505 block.nBits = 486604799 # 0x1d00ffff block.nNonce = 2083236893 block.vtx = [tx] block.calc_sha256() print "Calculated hash: ", hex(block.sha256) print " >>>>>>>>>>>>>>: ", "0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f" # #print block.is_valid() genesis = binascii.hexlify(block.serialize()) print "Version: ", genesis[:8] print "Previous block: ", genesis[8:72] print "Merkle root: ", genesis[72:136] print "Match : ", "3BA3EDFD7A7B12B27AC72C3E67768F617FC81BC3888A51323A9FB8AA4B1E5E4A"
# create transaction
tx = CTransaction()
tx.vin.append(txin)
tx.vout.append(txout)
tx.calc_sha256()
#print tx
#print "Transaction: ", tx.is_valid()
#print "hash: ", hex(tx.sha256)
#print "Hash: ", "0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"
block = CBlock()
block.nVersion = 1
block.hashPrevBlock = 0
block.hashMerkleRoot = 0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b
block.nTime = 1231006505
block.nBits = 0x1f00ffff
block.vtx = [tx]
i = 0
#target = 6901641034498895230248057944249341782018790077074986006051269912821760
target = uint256_from_compact(block.nBits)
print "Target: \t%064x" % target
for i in xrange(1000000000000000):
block.nNonce = i
block.sha256 = None
block.calc_sha256()
calculated_hash = block.sha256
# print calculated_hash
# time.sleep(1)
if calculated_hash < target:
