[#btck-TxidApi-020]
= xref:btck.adoc[btck]::TxidApi
:relfileprefix: ../
:mrdocs:

CRTP mixin adding transaction‐id operations shared by the view and owning types.

== Synopsis

Declared in `<kernel/bitcoinkernel_wrapper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename Derived>
class TxidApi;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:btck/TxidApi-020/ToBytes.adoc[`ToBytes`] 
| Returns the raw 32‐byte transaction id.
| xref:btck/TxidApi-020/operator_eq.adoc[`operator==`] 
| Compares two transaction ids for equality.
| xref:btck/TxidApi-020/operator_not_eq.adoc[`operator!=`] 
| Compares two transaction ids for inequality.
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `Derived`
| 
|===

== Derived Classes

[cols="1,4"]
|===
| Name| Description
| xref:btck/Txid.adoc[`Txid`] 
| Owning wrapper over a `btck_Txid` transaction identifier.
| xref:btck/TxidView.adoc[`TxidView`] 
| Non‐owning view over a `btck_Txid`.
|===


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