Actually bitcoinj already validates the block headers for you. If a block is added to the block store, it's valid (and currently part of the chain with the most PoW).
On 01/10/2018 02:24 AM, manta1...@gmail.com wrote: > Hi, > > I need full timeline of all block headers, including all 6 parameters to > let me verify if what I get is genuine block header. > > There is a large number of so-called blockchain parsing websites to > download individual blocks as json or web page. > > Due to limitations, none website offers all block headers for download. > > There is one nice website, I can download block header parameters but > nonce is missing. > > Is bitcoinj the only path to accomplish my target ? > > If you know any website for download of nonce chain I could just merge 5 > parameters block chain with nonce chain to get > 6 parameters block header chain as input into mining script, for > off-line verification of every block hashed in the past. > > Please let me know your opinion since I am limited on download speed to > get 500GB data over 3G wireless modem. > > Ok, to handle 500GB of data I need to buy extra hd and make my old > machine to work at full speed over a week or much longer. > > thank you, > > darius > > -- > You received this message because you are subscribed to the Google > Groups "bitcoinj" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to bitcoinj+unsubscr...@googlegroups.com > <mailto:bitcoinj+unsubscr...@googlegroups.com>. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "bitcoinj" group. To unsubscribe from this group and stop receiving emails from it, send an email to bitcoinj+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
