[#IsBlockMutated]
= IsBlockMutated
:mrdocs:

Check if a block has been mutated (with respect to its merkle root and witness commitments).

== Synopsis

Declared in `<validation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
IsBlockMutated(
    xref:CBlock.adoc[CBlock] const& block,
    bool check_witness_root);
----

== Return Value

true if the block is mutated.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *block*
| The block to inspect for mutation.
| *check_witness_root*
| Whether to also check the witness commitment.
|===


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