[#transaction_identifier-2constructor-0863]
= xref:transaction_identifier.adoc[transaction_identifier]::transaction_identifier
:relfileprefix: ../
:mrdocs:

Constructors

== Synopses

Declared in `<primitives/transaction_identifier.h>`

Constructs a null transaction identifier.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:transaction_identifier/2constructor-06.adoc[transaction_identifier]();
----

[.small]#xref:transaction_identifier/2constructor-06.adoc[_» more..._]#

Constructs an identifier from a compile‐time hex string.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
consteval
explicit
xref:transaction_identifier/2constructor-086f.adoc[transaction_identifier](std::string_view hex_str);
----

[.small]#xref:transaction_identifier/2constructor-086f.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hex_str*
| The hex representation of the 256‐bit identifier.
|===


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