Function set_bias

plugins/askrene/layer.c:319–350

}

static const struct bias *set_bias(struct layer *layer,
				   const struct short_channel_id_dir *scidd,
				   const char *description TAKES,
				   s8 bias_factor,
				   bool relative,
				   u64 timestamp)
{
	struct bias *bias;

	bias = bias_hash_get(layer->biases, scidd);
	if (!bias) {
		bias = tal(layer, struct bias);
		bias->scidd = *scidd;
		bias_hash_add(layer->biases, bias);
		bias->bias = 0;
	} else {
		tal_free(bias->description);
	}
	int bias_new = relative ? bias->bias + bias_factor : bias_factor;
	bias_new = MIN(100, bias_new);
	bias_new = MAX(-100, bias_new);
	bias->bias = bias_new;
	bias->description = tal_strdup_or_null(bias, description);
	bias->timestamp = timestamp;

	/* Don't bother keeping around zero biases */
	if (bias->bias == 0) {
		bias_hash_del(layer->biases, bias);
		bias = tal_free(bias);
	}
	return bias;
}

static const struct node_bias *set_node_bias(struct layer *layer,
					     const struct node_id *node,