@amaclin: your program fails for this block:
https://blockchain.info/block/0000000000004c78956f8643262f3622acf22486b120421f893c0553702ba7b5

If the remaining data is correct, the total fee is about 60688.8 BTC

Note that this also includes fee that was paid in error (e.g. swapping fee and value field) and later returned by the miner.