[#wallet-CWallet-SignTransaction-04]
= xref:wallet.adoc[wallet]::xref:wallet/CWallet.adoc[CWallet]::SignTransaction
:relfileprefix: ../../
:mrdocs:

Sign the tx given the input coins and sighash.

== Synopsis

Declared in `<wallet/wallet.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
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 in place.
| *coins*
| The input coins spent by the transaction.
| *sighash*
| The signature hash type to use.
| *input_errors*
| Set to per‐input error messages for inputs that fail.
|===


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