79 lines
2.6 KiB
Groff
79 lines
2.6 KiB
Groff
.TH "LIGHTNING-UTXOPSBT" "7" "" "" "lightning-utxopsbt"
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.SH NAME
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lightning-utxopsbt - Command to populate PSBT inputs from given UTXOs
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.SH SYNOPSIS
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\fButxopsbt\fR \fIsatoshi\fR \fIfeerate\fR \fIstartweight\fR \fIutxos\fR [\fIreserve\fR] [\fIreservedok\fR] [\fIlocktime\fR] [\fImin_witness_weight\fR]
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.SH DESCRIPTION
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\fIutxopsbt\fR is a low-level RPC command which creates a PSBT using unreserved
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inputs in the wallet, optionally reserving them as well\.
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It deliberately mirrors the parameters and output of
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\fBlightning-fundpsbt\fR(7) except instead of an optional \fIminconf\fR
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parameter to select unreserved outputs from the wallet, it takes a
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compulsory list of outputs to use\.
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\fIutxos\fR must be an array of "txid:vout", each of which must be
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reserved or available: the total amount must be sufficient to pay for
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the resulting transaction plus \fIstartweight\fR at the given \fIfeerate\fR,
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with at least \fIsatoshi\fR left over (unless \fIsatoshi\fR is \fBall\fR, which
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is equivalent to setting it to zero)\.
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Unless \fIreservedok\fR is set to true (default is false) it will also fail
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if any of the \fIutxos\fR are already reserved\.
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\fIlocktime\fR is an optional locktime: if not set, it is set to a recent
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block height\.
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\fImin_witness_weight\fR is an optional minimum weight to use for a UTXO's
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witness\. If the actual witness weight is greater than the provided minimum,
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the actual witness weight will be used\.
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.SH RETURN VALUE
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On success, returns the \fIpsbt\fR containing the inputs, \fIfeerate_per_kw\fR
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showing the exact numeric feerate it used, \fIestimated_final_weight\fR for
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the estimated weight of the transaction once fully signed, and
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\fIexcess_msat\fR containing the amount above \fIsatoshi\fR which is
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available\. This could be zero, or dust\. If \fIsatoshi\fR was "all",
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then \fIexcess_msat\fR is the entire amount once fees are subtracted
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for the weights of the inputs and \fIstartweight\fR\.
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If \fIreserve\fR was true, then a \fIreservations\fR array is returned,
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exactly like \fIreserveinputs\fR\.
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On error the returned object will contain \fBcode\fR and \fBmessage\fR properties,
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with \fBcode\fR being one of the following:
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.RS
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.IP \[bu]
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-32602: If the given parameters are wrong\.
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.IP \[bu]
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-1: Catchall nonspecific error\.
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.IP \[bu]
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301: Insufficient UTXOs to meet \fIsatoshi\fR value\.
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.RE
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.SH AUTHOR
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Rusty Russell \fI<rusty@rustcorp.com.au\fR> is mainly responsible\.
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.SH SEE ALSO
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\fBlightning-fundpsbt\fR(7)\.
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.SH RESOURCES
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Main web site: \fIhttps://github.com/ElementsProject/lightning\fR
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\" SHA256STAMP:777710bb963f435193e92a55344c740c123d7aa4d54bf573c99a616f59eeee54
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