[#LockPoints]
= LockPoints
:mrdocs:

Cached block height and time that satisfy a transaction&apos;s relative locktimes&period;

== Synopsis

Declared in `&lt;kernel&sol;mempool&lowbar;entry&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct LockPoints;
----

== Description

Stores the blockchain height and median time past values that a transaction&apos;s BIP68 relative locktime constraints require, given the current view of block chain history&period;

== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:LockPoints/height.adoc[`height`] 
| Block height at which the relative locktime constraints are satisfied&period;
| xref:LockPoints/maxInputBlock.adoc[`maxInputBlock`] 
| Highest block among the inputs used to compute the lock points&period;
| xref:LockPoints/time.adoc[`time`] 
| Median time past at which the relative locktime constraints are satisfied&period;
|===


== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:CalculateLockPointsAtTip.adoc[`CalculateLockPointsAtTip`]
| Calculate LockPoints required to check if transaction will be BIP68 final in the next block to be created on top of tip&period;
|===


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