Function build_utxopsbt_request

plugins/funder.c:536–575

};

static struct out_req *
build_utxopsbt_request(struct command *cmd,
		       struct open_info *info,
		       struct bitcoin_outpoint **prev_outs,
		       struct amount_sat requested_funds,
		       struct amount_sat committed_funds,
		       struct funder_utxo **avail_utxos)
{
	struct out_req *req;

	req = jsonrpc_request_start(cmd,
				    "utxopsbt",
				    &psbt_funded,
				    &psbt_fund_failed,
				    info);
	/* Add every prev_out */
	json_array_start(req->js, "utxos");
	for (size_t i = 0; i < tal_count(prev_outs); i++)
		json_add_outpoint(req->js, NULL, prev_outs[i]);

	/* Next add available utxos until we surpass the
	 * requested funds goal */
	/* FIXME: Update `utxopsbt` to automatically add more inputs? */
	for (size_t i = 0; i < tal_count(avail_utxos); i++) {
		/* If we've already hit our goal, break */
		if (amount_sat_greater_eq(committed_funds, requested_funds))
			break;

		/* Add this output to the UTXO */
		json_add_outpoint(req->js, NULL, &avail_utxos[i]->out);

		/* Account for it */
		if (!amount_sat_add(&committed_funds, committed_funds,
				    avail_utxos[i]->val))
			/* This should really never happen */
			plugin_err(cmd->plugin, "overflow adding committed");
	}
	json_array_end(req->js);
	return req;
}

static struct command_result *
listfunds_success(struct command *cmd,