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psbt: add method to confirm 'finalized' status of psbt

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calling `wally_psbt_finalize` doesn't return a status indicator; instead
you must call `psbt_is_finalized` to check that it's eligible for
'extraction' -- extraction will fail if the psbt is not in a finalized
state.
This commit is contained in:
niftynei
2020-05-28 22:06:20 -05:00
committed by Christian Decker
parent 000ef2079c
commit 052d40ae98
2 changed files with 22 additions and 0 deletions
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11
bitcoin/psbt.c
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@@ -80,6 +80,17 @@ struct wally_psbt *new_psbt(const tal_t *ctx, const struct wally_tx *wtx)
return tal_steal(ctx, psbt);
}
bool psbt_is_finalized(struct wally_psbt *psbt)
{
for (size_t i = 0; i < psbt->num_inputs; i++) {
if (!psbt->inputs[i].final_script_sig &&
!psbt->inputs[i].final_witness)
return false;
}
return true;
}
struct wally_psbt_input *psbt_add_input(struct wally_psbt *psbt,
struct wally_tx_input *input,
size_t insert_at)