[#SigHashCache-Load]
= xref:SigHashCache.adoc[SigHashCache]::Load
:relfileprefix: ../
:mrdocs:

Load into writer the SHA256 midstate if found in this cache.

== Synopsis

Declared in `<script/interpreter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
bool
Load(
    int32_t hash_type,
    xref:CScript.adoc[CScript] const& script_code,
    xref:HashWriter.adoc[HashWriter]& writer) const noexcept;
----

== Return Value

`true` if a matching midstate was found and loaded.

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *hash_type*
| The sighash type selecting the cache entry.
| *script_code*
| The scriptCode the cached midstate must match.
| *writer*
| Receives the cached SHA256 midstate on a hit.
|===


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