[#wallet-CCoinControl-m_external_provider]
= xref:wallet.adoc[wallet]::xref:wallet/CCoinControl.adoc[CCoinControl]::m&lowbar;external&lowbar;provider
:relfileprefix: ../../
:mrdocs:

SigningProvider that has pubkeys and scripts to do spend size estimation for external inputs

== Synopsis

Declared in `&lt;wallet&sol;coincontrol&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:FlatSigningProvider.adoc[FlatSigningProvider] m&lowbar;external&lowbar;provider;
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