[#txindex-02-BlockSeqKey]
= xref:txindex-02.adoc[txindex]::BlockSeqKey
:relfileprefix: ../
:mrdocs:

Key for looking up the hash of the block with the given sequence number.

== Synopsis

Declared in `<index/txindex_key.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct BlockSeqKey;
----

== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:txindex-02/BlockSeqKey/block_seq.adoc[`block_seq`] 
| Sequence number of the block to look up.
|===



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