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

Base class for receiving validation events&semi; override the handlers you need&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class ValidationInterface;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:btck/ValidationInterface/2destructor.adoc[`&#126;ValidationInterface`] [.small]#[destructor]# [.small]#[virtual]#
| Destroys the validation interface&period;
| xref:btck/ValidationInterface/BlockChecked.adoc[`BlockChecked`]  [.small]#[virtual]#
| Called after a block has been checked&period;
| xref:btck/ValidationInterface/BlockConnected.adoc[`BlockConnected`]  [.small]#[virtual]#
| Called when a block is connected to the active chain&period;
| xref:btck/ValidationInterface/BlockDisconnected.adoc[`BlockDisconnected`]  [.small]#[virtual]#
| Called when a block is disconnected from the active chain&period;
| xref:btck/ValidationInterface/PowValidBlock.adoc[`PowValidBlock`]  [.small]#[virtual]#
| Called when a block with valid proof of work is received&period;
|===



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