[#btck-BlockValidationResult]
= xref:btck.adoc[btck]::BlockValidationResult
:relfileprefix: ../
:mrdocs:

Reason a block failed validation, mirroring `btck&lowbar;BlockValidationResult`&period;

== Synopsis

Declared in `&lt;kernel&sol;bitcoinkernel&lowbar;wrapper&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum class BlockValidationResult : xref:btck_BlockValidationResult.adoc[btck&lowbar;BlockValidationResult];
----

== Members

[cols="1,4"]
|===
| Name| Description
| `UNSET` 
| No result recorded&period;
| `CONSENSUS` 
| Invalid by consensus rules&period;
| `CACHED&lowbar;INVALID` 
| Already known to be invalid&period;
| `INVALID&lowbar;HEADER` 
| The block header is invalid&period;
| `MUTATED` 
| The block payload was mutated (bad Merkle root)&period;
| `MISSING&lowbar;PREV` 
| The previous block is not available&period;
| `INVALID&lowbar;PREV` 
| The previous block is invalid&period;
| `TIME&lowbar;FUTURE` 
| The block timestamp is too far in the future&period;
| `HEADER&lowbar;LOW&lowbar;WORK` 
| The header chain has insufficient proof of work&period;
|===



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