Function estimatefees_callback

lightningd/bitcoind.c:251–292

}

static void estimatefees_callback(const char *buf, const jsmntok_t *toks,
				  const jsmntok_t *idtok,
				  struct estimatefee_call *call)
{
	const jsmntok_t *resulttok, *floortok;
	struct feerate_est *feerates;
	u32 floor;

	resulttok = get_bitcoin_result(call->bitcoind, buf, toks, "estimatefees");

	/* Modern style has floor. */
	floortok = json_get_member(buf, resulttok, "feerate_floor");
	if (floortok) {
		feerates = parse_feerate_ranges(call, call->bitcoind,
						buf, floortok,
						json_get_member(buf, resulttok,
								"feerates"),
						&floor);
	} else {
		bitcoin_plugin_error(call->bitcoind, buf, resulttok,
				     "estimatefees",
				     "missing feerate_floor field");
	}

	/* Convert to perkw */
	floor = feerate_from_style(floor, FEERATE_PER_KBYTE);
	if (floor < FEERATE_FLOOR)
		floor = FEERATE_FLOOR;

	/* FIXME: We could let this go below the dynamic floor, but we'd
	 * need to know if the floor is because of their node's policy
	 * (minrelaytxfee) or mempool conditions (mempoolminfee). */
	for (size_t i = 0; i < tal_count(feerates); i++) {
		feerates[i].rate = feerate_from_style(feerates[i].rate,
						      FEERATE_PER_KBYTE);
		if (feerates[i].rate < floor)
			feerates[i].rate = floor;
	}

	call->cb(call->bitcoind->ld, floor, feerates, call->cb_arg);
	tal_free(call);
}

void bitcoind_estimate_fees_(const tal_t *ctx,
			     struct bitcoind *bitcoind,