go-nostr/sdk/lists_relay.go

91 lines
2.2 KiB
Go

package sdk
import (
"context"
"github.com/nbd-wtf/go-nostr"
cache_memory "github.com/nbd-wtf/go-nostr/sdk/cache/memory"
)
type Relay struct {
URL string
Inbox bool
Outbox bool
}
func (r Relay) Value() string { return r.URL }
type RelayURL string
func (r RelayURL) Value() string { return string(r) }
func (sys *System) FetchRelayList(ctx context.Context, pubkey string) GenericList[Relay] {
ml, _ := fetchGenericList(sys, ctx, pubkey, 10002, kind_10002, parseRelayFromKind10002, sys.RelayListCache)
return ml
}
func (sys *System) FetchBlockedRelayList(ctx context.Context, pubkey string) GenericList[RelayURL] {
if sys.BlockedRelayListCache == nil {
sys.BlockedRelayListCache = cache_memory.New32[GenericList[RelayURL]](1000)
}
ml, _ := fetchGenericList(sys, ctx, pubkey, 10006, kind_10006, parseRelayURL, sys.BlockedRelayListCache)
return ml
}
func (sys *System) FetchSearchRelayList(ctx context.Context, pubkey string) GenericList[RelayURL] {
if sys.SearchRelayListCache == nil {
sys.SearchRelayListCache = cache_memory.New32[GenericList[RelayURL]](1000)
}
ml, _ := fetchGenericList(sys, ctx, pubkey, 10007, kind_10007, parseRelayURL, sys.SearchRelayListCache)
return ml
}
func (sys *System) FetchRelaySets(ctx context.Context, pubkey string) GenericSets[RelayURL] {
if sys.RelaySetsCache == nil {
sys.RelaySetsCache = cache_memory.New32[GenericSets[RelayURL]](1000)
}
ml, _ := fetchGenericSets(sys, ctx, pubkey, 30002, kind_30002, parseRelayURL, sys.RelaySetsCache)
return ml
}
func parseRelayFromKind10002(tag nostr.Tag) (rl Relay, ok bool) {
if u := tag.Value(); u != "" && tag[0] == "r" {
if !nostr.IsValidRelayURL(u) {
return rl, false
}
u := nostr.NormalizeURL(u)
relay := Relay{
URL: u,
}
if len(tag) == 2 {
relay.Inbox = true
relay.Outbox = true
} else if tag[2] == "write" {
relay.Outbox = true
} else if tag[2] == "read" {
relay.Inbox = true
}
return relay, true
}
return rl, false
}
func parseRelayURL(tag nostr.Tag) (rl RelayURL, ok bool) {
if u := tag.Value(); u != "" && tag[0] == "relay" {
if !nostr.IsValidRelayURL(u) {
return rl, false
}
u := nostr.NormalizeURL(u)
return RelayURL(u), true
}
return rl, false
}