Files
nostrlib/sdk/init.go
2023-10-30 19:23:58 -03:00

42 lines
1019 B
Go

package sdk
import (
"context"
"time"
"github.com/nbd-wtf/go-nostr"
"github.com/nbd-wtf/go-nostr/sdk/cache"
)
type System struct {
relaysCache cache.Cache32[[]Relay]
followsCache cache.Cache32[[]Follow]
metadataCache cache.Cache32[*ProfileMetadata]
pool *nostr.SimplePool
metadataRelays []string
relayListRelays []string
}
func (sys System) FetchRelaysForPubkey(ctx context.Context, pubkey string) []Relay {
if v, ok := sys.relaysCache.Get(pubkey); ok {
return v
}
ctx, cancel := context.WithTimeout(ctx, time.Second*5)
defer cancel()
res := FetchRelaysForPubkey(ctx, sys.pool, pubkey, sys.relayListRelays...)
sys.relaysCache.SetWithTTL(pubkey, res, time.Hour*6)
return res
}
func (sys System) FetchOutboxRelaysForPubkey(ctx context.Context, pubkey string) []string {
relays := sys.FetchRelaysForPubkey(ctx, pubkey)
result := make([]string, 0, len(relays))
for _, relay := range relays {
if relay.Outbox {
result = append(result, relay.URL)
}
}
return result
}