Function bitcoin_tx_add_output

bitcoin/tx.c:61–95

}

int bitcoin_tx_add_output(struct bitcoin_tx *tx, const u8 *script,
			  const u8 *wscript, struct amount_sat amount)
{
	size_t i = tx->wtx->num_outputs;
	struct wally_tx_output *output;
	struct wally_psbt_output *psbt_out;
	int ret;
	const struct chainparams *chainparams = tx->chainparams;
	assert(i < tx->wtx->outputs_allocation_len);

	assert(tx->wtx != NULL);
	assert(chainparams);

	output = wally_tx_output(NULL, script, amount);
	assert(output);
	tal_wally_start();
	ret = wally_tx_add_output(tx->wtx, output);
	assert(ret == WALLY_OK);
	tal_wally_end(tx->wtx);

	psbt_out = psbt_add_output(tx->psbt, output, i);
	if (wscript) {
		tal_wally_start();
		ret = wally_psbt_output_set_witness_script(psbt_out,
							   wscript,
							   tal_bytelen(wscript));
		assert(ret == WALLY_OK);
		tal_wally_end(tx->psbt);
	}

	wally_tx_output_free(output);
	bitcoin_tx_output_set_amount(tx, i, amount);

	return i;
}

bool elements_wtx_output_is_fee(const struct wally_tx *tx, int outnum)
{