Optionalbip32OptionalfinalOptionalfinalOptionalnonOptionalpartialOptionalredeemOptionalsighashOptionaltaprootOptionaltaprootOptionaltaprootOptionaltaprootOptionaltaprootOptionaltaprootOptionalunknownsOptionalwitnessOptionalwitness
Per-input PSBT data. Outpoint/sequence live on
unsignedTx.inputs[i]— not duplicated here.