[#VersionBitsCache-CheckUnknownActivations]
= xref:VersionBitsCache.adoc[VersionBitsCache]::CheckUnknownActivations
:relfileprefix: ../
:mrdocs:

Check for unknown activations Returns a vector containing the bit number used for signalling and a bool indicating the deployment is likely to be ACTIVE, rather than merely LOCKED_IN.

== Synopsis

Declared in `<versionbits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7f2e18fdbd78), requires_capability(0x7f2e1a0cd248), requires_capability(0x7f2e24cb7078), requires_capability(0x7f2e37ab5598), requires_capability(0x7f2e27e04f98), requires_capability(0x7f2e1eea0f48), requires_capability(0x7f2e283fbd08)]]
std::vector<std::pair<int, bool>>
CheckUnknownActivations(
    xref:CBlockIndex.adoc[CBlockIndex] const* pindex,
    xref:CChainParams.adoc[CChainParams] const& chainparams);
----

== Return Value

A vector of (bit number, likely‐active) pairs for unknown deployments.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pindex*
| The block at which to check for unknown activations.
| *chainparams*
| The chain parameters for the active network.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#