Function onchain_wallet_fund

plugins/spender/splice.c:723–789

}

static struct command_result *onchain_wallet_fund(struct command *cmd,
						  struct splice_cmd *splice_cmd,
						  size_t index,
						  struct amount_sat already_funded)
{
	struct splice_script_result *action = splice_cmd->actions[index];
	struct splice_cmd_action_state *state = splice_cmd->states[index];
	struct out_req *req;
	struct splice_index_pkg *pkg;
	struct amount_sat sats;
	const char *command;
	bool addinginputs = !amount_sat_is_zero(action->out_sat);

	pkg = tal(cmd->plugin, struct splice_index_pkg);
	pkg->splice_cmd = splice_cmd;
	pkg->index = index;

	command = "addpsbtoutput";
	if (addinginputs) {
		command = "addpsbtinput";
		splice_cmd->wallet_inputs_to_signed++;
	}

	req = jsonrpc_request_start(cmd, command,
				    addpsbt_get_result,
				    splice_error_pkg, pkg);

	if (addinginputs) {
		sats = action->out_sat;
		if (!amount_sat_sub(&sats, sats, already_funded))
			return do_fail(cmd, splice_cmd, JSONRPC2_INVALID_PARAMS,
				       tal_fmt(tmpctx,
				       "Internal error; unable to sub"
				       " already_funded %s sats from out_stats"
				       " %s onchain_wallet_fund",
				       fmt_amount_sat(tmpctx, already_funded),
				       fmt_amount_sat(tmpctx, sats)));
		json_add_sats(req->js, "satoshi", sats);
		assert(splice_cmd->feerate_per_kw);
		json_add_u32(req->js, "min_feerate", splice_cmd->feerate_per_kw);

		plugin_log(cmd->plugin, LOG_DBG, "Adding input of at least %s",
			   fmt_amount_sat(tmpctx, sats));
	}
	else {
		json_add_sats(req->js, "satoshi", action->in_sat);

		plugin_log(cmd->plugin, LOG_DBG, "Adding output of %s",
			   fmt_amount_sat(tmpctx, action->in_sat));
	}

	json_add_psbt(req->js, "initialpsbt", splice_cmd->psbt);
	json_add_bool(req->js, "add_initiator_serial_ids", true);
	if (addinginputs)
		json_add_bool(req->js, "mark_our_inputs", true);

	if (state->state == SPLICE_CMD_PENDING) {
		plugin_log(cmd->plugin, LOG_DBG, "Not marking index %d done"