2020-08-12 12:51:50 +02:00
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use bitcoin::util::psbt::PartiallySignedTransaction as PSBT;
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use bitcoin::TxOut;
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2020-01-27 22:02:55 +01:00
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2020-08-12 12:51:50 +02:00
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pub trait PSBTUtils {
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fn get_utxo_for(&self, input_index: usize) -> Option<TxOut>;
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2020-01-27 22:02:55 +01:00
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}
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2020-08-12 12:51:50 +02:00
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impl PSBTUtils for PSBT {
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fn get_utxo_for(&self, input_index: usize) -> Option<TxOut> {
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let tx = &self.global.unsigned_tx;
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2020-02-07 23:22:28 +01:00
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2020-08-12 12:51:50 +02:00
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if input_index >= tx.input.len() {
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return None;
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2020-02-07 23:22:28 +01:00
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}
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2020-08-12 12:51:50 +02:00
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if let Some(input) = self.inputs.get(input_index) {
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if let Some(wit_utxo) = &input.witness_utxo {
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Some(wit_utxo.clone())
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} else if let Some(in_tx) = &input.non_witness_utxo {
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Some(in_tx.output[tx.input[input_index].previous_output.vout as usize].clone())
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} else {
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None
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2020-02-07 23:22:28 +01:00
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}
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2020-04-28 16:59:15 +02:00
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} else {
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2020-08-12 12:51:50 +02:00
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None
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2020-02-07 23:22:28 +01:00
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}
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2020-01-27 22:02:55 +01:00
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}
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}
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