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Questions tagged [block-header]

The tag has no usage guidance.

1
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1answer
206 views

Difference between ref_block_num and ref_block_prefix and how to retrieve it?

I am trying to construct a header of a transaction. So my question is - what is the difference between ref_block_num and ref_block_prefix in a transaction header and how to retrieve it? is there a ...
1
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1answer
353 views

How exactly is the block height defined in EOS?

I wanna show users the confirmation height of their transactions. Which one is the way to go? Latest block - transaction block OR Last irreversible block - transaction block ?
9
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1answer
650 views

Block data structure

Can someone explain the transaction_mroot, action_mroot and block_mroot used in block_header? I understand what a merkel tree is. Is transaction data actually stored in block or just the transaction ...
4
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1answer
114 views

Is the block digest c++ specific?

I'm not sure how to write this block header digest/hash generation in another language then C(++). Is this even possible without a lot of hacking? If so: Could a language-neutral format for the ...