[#CChainParams-AssumedChainStateSize]
= xref:CChainParams.adoc[CChainParams]::AssumedChainStateSize
:relfileprefix: ../
:mrdocs:

Minimum free space (in GB) needed for the data directory when pruned; does not include the prune target.

== Synopsis

Declared in `<kernel/chainparams.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64_t
AssumedChainStateSize() const;
----

== Return Value

The assumed pruned chain‐state size in gigabytes.


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