[#ChainCode-2constructor-03]
= xref:ChainCode.adoc[ChainCode]::ChainCode
:relfileprefix: ../
:mrdocs:

Constructors

== Synopses

Declared in `<hash.h>`

Constructs an all‐zero chain code.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:ChainCode/2constructor-09.adoc[ChainCode]() = default;
----

[.small]#xref:ChainCode/2constructor-09.adoc[_» more..._]#

Constructs a chain code from a raw byte span.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
explicit
xref:ChainCode/2constructor-04.adoc[ChainCode](std::span<unsigned char const> vch);
----

[.small]#xref:ChainCode/2constructor-04.adoc[_» more..._]#

Constructs a chain code from an existing 256‐bit blob.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
explicit
xref:ChainCode/2constructor-01.adoc[ChainCode](xref:base_blob-09.adoc[base_blob<256>] const& b);
----

[.small]#xref:ChainCode/2constructor-01.adoc[_» more..._]#

== Parameters

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


[.small]#Created with https://www.mrdocs.com[MrDocs]#