Function psbt_has_required_fields

common/psbt_open.c:442–474

}

bool psbt_has_required_fields(struct wally_psbt *psbt)
{
	u64 serial_id;
	for (size_t i = 0; i < psbt->num_inputs; i++) {
		const struct wally_map_item *redeem_script;
		const struct wally_tx_output *txout;
		struct wally_psbt_input *input = &psbt->inputs[i];

		if (!psbt_get_serial_id(&input->unknowns, &serial_id))
			return false;

		/* Required because we send the full tx over the wire now */
		if (!input->utxo)
			return false;

		assert(input->index < input->utxo->num_outputs);
		txout = &input->utxo->outputs[input->index];
		if (!is_p2sh(txout->script, txout->script_len, NULL))
			continue;
		/* P2SH: redeemscript must be present */
		const u32 key = 0x04; /* PSBT_IN_REDEEM_SCRIPT */
		redeem_script = wally_map_get_integer(&input->psbt_fields, key);
		if (!redeem_script || !redeem_script->value_len)
			return false;
	}

	for (size_t i = 0; i < psbt->num_outputs; i++) {
		if (!psbt_get_serial_id(&psbt->outputs[i].unknowns, &serial_id))
			return false;
	}

	return true;
}

bool psbt_side_finalized(const struct wally_psbt *psbt, enum tx_role role)
{