[#kernel-BlockTreeDB-LoadBlockIndexGuts]
= xref:kernel.adoc[kernel]::xref:kernel/BlockTreeDB.adoc[BlockTreeDB]::LoadBlockIndexGuts
:relfileprefix: ../../
:mrdocs:

Load every block‐index entry from the database into memory.

== Synopsis

Declared in `<node/blockstorage.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7f2e39fb0d28), requires_capability(0x7f2e14408a98), requires_capability(0x7f2e28bd2ce8), requires_capability(0x7f2e27770178), requires_capability(0x7f2e2ba05cf8), requires_capability(0x7f2e1c315318)]]
bool
LoadBlockIndexGuts(
    xref:Consensus/Params.adoc[Consensus::Params] const& consensusParams,
    std::function<CBlockIndex*(xref:uint256.adoc[uint256] const&)> insertBlockIndex,
    xref:util/SignalInterrupt.adoc[util::SignalInterrupt] const& interrupt);
----

== Return Value

True on success, false if loading failed or was interrupted.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *consensusParams*
| Consensus parameters used to interpret the stored entries.
| *insertBlockIndex*
| Callback that inserts a block index for a given hash and returns it.
| *interrupt*
| Interrupt used to abort a long‐running load.
|===


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