[#ChainCode-2constructor-04]
= xref:ChainCode.adoc[ChainCode]::ChainCode
:relfileprefix: ../
:mrdocs:

Constructs a chain code from a raw byte span.

== Synopsis

Declared in `<hash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
explicit
ChainCode(std::span<unsigned char const> vch);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *vch*
| The bytes to initialize the chain code with.
|===


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