[#CBaseChainParams-2constructor-0f]
= xref:CBaseChainParams.adoc[CBaseChainParams]::CBaseChainParams
:relfileprefix: ../
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Constructors

== Synopses

Declared in `<chainparamsbase.h>`

Deleted default constructor; base parameters must specify a data dir and port.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:CBaseChainParams/2constructor-00.adoc[CBaseChainParams]() = delete;
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Constructs base parameters from a data directory and RPC port.


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xref:CBaseChainParams/2constructor-0e.adoc[CBaseChainParams](
    std::string const& data_dir,
    uint16_t rpc_port);
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== Parameters

[cols="1,4"]
|===
| Name| Description
| *data_dir*
| The default data directory name.
| *rpc_port*
| The default RPC port number.
|===


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