[#TxValidationState-Invalid]
= xref:TxValidationState.adoc[TxValidationState]::Invalid
:relfileprefix: ../
:mrdocs:

Marks the state invalid and records the reason and debug message.

== Synopsis

Declared in `<consensus/validation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
Invalid(
    xref:TxValidationResult.adoc[TxValidationResult] result,
    std::string const& reject_reason = "",
    std::string const& debug_message = "");
----

== Return Value

Always false, so callers can return this directly.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *result*
| The result code describing why validation failed.
| *reject_reason*
| Short machine‐readable rejection reason.
| *debug_message*
| Optional human‐readable detail for debugging.
|===


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