// NewDatastore constructs a new LRU Datastore with given capacity.
func NewDatastore(capacity int) (*Datastore, error) {
cache, err := lru.New(capacity)
if err != nil {
return nil, err
}
return &Datastore{cache: cache}, nil
}
// NewRoutingResolver constructs a name resolver using the IPFS Routing system
// to implement SFS-like naming on top.
// cachesize is the limit of the number of entries in the lru cache. Setting it
// to '0' will disable caching.
func NewRoutingResolver(route routing.IpfsRouting, cachesize int) *routingResolver {
if route == nil {
panic("attempt to create resolver with nil routing system")
}
var cache *lru.Cache
if cachesize > 0 {
cache, _ = lru.New(cachesize)
}
return &routingResolver{
routing: route,
cache: cache,
}
}