[#btck-ChainParams-2constructor-09]
= xref:btck.adoc[btck]::xref:btck/ChainParams.adoc[ChainParams]::ChainParams
:relfileprefix: ../../
:mrdocs:

Constructors

== Synopses

Declared in `<kernel/bitcoinkernel_wrapper.h>`

Constructs parameters for a well‐known chain type.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
xref:btck/ChainParams/2constructor-002.adoc[ChainParams](xref:btck/ChainType.adoc[ChainType] chain_type);
----

[.small]#xref:btck/ChainParams/2constructor-002.adoc[_» more..._]#

Constructs signet parameters from a custom challenge script.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
xref:btck/ChainParams/2constructor-005.adoc[ChainParams](std::span<std::byte const> signet_challenge);
----

[.small]#xref:btck/ChainParams/2constructor-005.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *chain_type*
| The network to build parameters for.
| *signet_challenge*
| The signet challenge script bytes.
|===


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