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Title: Why blocks txn_count is always zero in response to getheaders Post by: Sergio_Demian_Lerner on February 19, 2013, 03:25:42 AM The wiki https://en.bitcoin.it/wiki/Protocol_specification#Block_Headers says that in response to getheaders, nodes send block headers with the field txn_count set to zero. The code seems to agree.
Wouldn't be a lot more helpful if the returned headers contained the correct txn_count field so receivers could validate the block PoW before requesting the full block? Thanks, Sergio. Title: Re: Why blocks txn_count is always zero in response to getheaders Post by: gmaxwell on February 19, 2013, 03:50:21 AM Wouldn't be a lot more helpful if the returned headers contained the correct txn_count field so receivers could validate the block PoW before requesting the full block? This doesn't have anything to do with the POW.Title: Re: Why blocks txn_count is always zero in response to getheaders Post by: Sergio_Demian_Lerner on February 19, 2013, 04:29:24 AM Ohh I see, txn_count is not included in the PoW hash computation...
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