[#DeploymentActiveAt-01d]
= DeploymentActiveAt
:mrdocs:

Determine if a version‐bits deployment is active for this block.

== Synopsis

Declared in `<deploymentstatus.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
DeploymentActiveAt(
    xref:CBlockIndex.adoc[CBlockIndex] const& index,
    xref:Consensus/Params.adoc[Consensus::Params] const& params,
    xref:Consensus/DeploymentPos.adoc[Consensus::DeploymentPos] dep,
    xref:VersionBitsCache.adoc[VersionBitsCache]& versionbitscache);
----

== Return Value

true if the deployment is active at index.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *index*
| The block being evaluated.
| *params*
| The consensus parameters holding the deployment schedule.
| *dep*
| The version‐bits deployment position to test.
| *versionbitscache*
| Cache used to evaluate version‐bits activation state.
|===


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