[#wallet-ScriptPubKeyMan-SignTransaction]
= xref:wallet.adoc[wallet]::xref:wallet/ScriptPubKeyMan.adoc[ScriptPubKeyMan]::SignTransaction
:relfileprefix: ../../
:mrdocs:

Creates new signatures and adds them to the transaction. Returns whether all inputs were signed

== Synopsis

Declared in `<wallet/scriptpubkeyman.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
SignTransaction(
    xref:CMutableTransaction.adoc[CMutableTransaction]& tx,
    std::map<COutPoint, Coin> const& coins,
    int sighash,
    std::map<int, bilingual_str>& input_errors) const;
----

== Return Value

true if all inputs were signed.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tx*
| The transaction to sign, updated in place.
| *coins*
| The previous outputs spent by the transaction's inputs.
| *sighash*
| The signature hash type to use.
| *input_errors*
| Filled with a per‐input error message for any input that could not be signed.
|===


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