bdk/src/psbt/mod.rs

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814 B
Rust
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use bitcoin::util::psbt::PartiallySignedTransaction as PSBT;
use bitcoin::TxOut;
pub trait PSBTUtils {
fn get_utxo_for(&self, input_index: usize) -> Option<TxOut>;
}
impl PSBTUtils for PSBT {
fn get_utxo_for(&self, input_index: usize) -> Option<TxOut> {
let tx = &self.global.unsigned_tx;
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if input_index >= tx.input.len() {
return None;
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}
if let Some(input) = self.inputs.get(input_index) {
if let Some(wit_utxo) = &input.witness_utxo {
Some(wit_utxo.clone())
} else if let Some(in_tx) = &input.non_witness_utxo {
Some(in_tx.output[tx.input[input_index].previous_output.vout as usize].clone())
} else {
None
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}
} else {
None
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}
}
}