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Move PSBT UTXO fetching to a separate method

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This commit is contained in:
Andrew Chow 2018-07-31 17:56:47 -07:00
parent cb40b3abd4
commit 77542cf2a5
2 changed files with 22 additions and 0 deletions
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14
src/psbt.cpp
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@ -62,6 +62,20 @@ bool PartiallySignedTransaction::AddOutput(const CTxOut& txout, const PSBTOutput
return true;
}
bool PartiallySignedTransaction::GetInputUTXO(CTxOut& utxo, int input_index) const
{
PSBTInput input = inputs[input_index];
int prevout_index = tx->vin[input_index].prevout.n;
if (input.non_witness_utxo) {
utxo = input.non_witness_utxo->vout[prevout_index];
} else if (!input.witness_utxo.IsNull()) {
utxo = input.witness_utxo;
} else {
return false;
}
return true;
}
bool PSBTInput::IsNull() const
{
return !non_witness_utxo && witness_utxo.IsNull() && partial_sigs.empty() && unknown.empty() && hd_keypaths.empty() && redeem_script.empty() && witness_script.empty();

8
src/psbt.h
View file

@ -394,6 +394,14 @@ struct PartiallySignedTransaction
PartiallySignedTransaction() {}
PartiallySignedTransaction(const PartiallySignedTransaction& psbt_in) : tx(psbt_in.tx), inputs(psbt_in.inputs), outputs(psbt_in.outputs), unknown(psbt_in.unknown) {}
explicit PartiallySignedTransaction(const CMutableTransaction& tx);
/**
* Finds the UTXO for a given input index
*
* @param[out] utxo The UTXO of the input if found
* @param[in] input_index Index of the input to retrieve the UTXO of
* @return Whether the UTXO for the specified input was found
*/
bool GetInputUTXO(CTxOut& utxo, int input_index) const;
template <typename Stream>
inline void Serialize(Stream& s) const {