[#VerifyScript]
= VerifyScript
:mrdocs:

Verify that an input's scriptSig and witness satisfy the output's scriptPubKey.

== Synopsis

Declared in `<script/interpreter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
VerifyScript(
    xref:CScript.adoc[CScript] const& scriptSig,
    xref:CScript.adoc[CScript] const& scriptPubKey,
    xref:CScriptWitness.adoc[CScriptWitness] const* witness,
    xref:script_verify_flags.adoc[script_verify_flags] flags,
    xref:BaseSignatureChecker.adoc[BaseSignatureChecker] const& checker,
    xref:ScriptError.adoc[ScriptError]* serror = nullptr);
----

== Return Value

`true` if the spend is valid under the given flags.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *scriptSig*
| The input's signature script.
| *scriptPubKey*
| The output script being spent.
| *witness*
| The input's witness stack, or null when absent.
| *flags*
| The active script verification flags.
| *checker*
| The signature checker bound to the spending transaction.
| *serror*
| Set to the script error when verification fails.
|===


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