rusty

impl PartiallySignedTransaction {
    /// Returns a vector the funding utxos of a psbt
    pub fn to_prevouts(&self) -> sighash::Prevouts {
        let mut prev_outs : Vec<&TxOut> = Vec::new();
        for i in 0..self.inputs.len() {
            let psbt_input : Input = self.inputs[i];
             // check for witness utxos
                if let Some(ref witness_utxo) = psbt_input.witness_utxo {
                    prev_outs.push(&witness_utxo)
                     // if no witness utxos then catch the non witness part of the input
                } else if let Some(ref non_witness_utxo) = psbt_input.non_witness_utxo {
                     // get output index (vout) from the outpoint and use it to get the non_witness_utxo
                    let vout: usize = self.unsigned_tx.input[i].previous_output.vout;
                    prev_outs.push(&non_witness_utxo.output[vout])
                }
            }
            return prev_outs;
        }
...
... other procedures ...
...
}