get rid of badger everywhere, including as an sdk/hints backend.

This commit is contained in:
fiatjaf
2025-09-03 21:33:39 -03:00
parent a09429236e
commit cd398b94b5
16 changed files with 359 additions and 444 deletions

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@@ -4,7 +4,7 @@ import (
"encoding/binary"
"time"
"github.com/dgraph-io/ristretto"
"github.com/dgraph-io/ristretto/v2"
)
type RistrettoCache[V any] struct {

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@@ -1,220 +0,0 @@
package badgerh
import (
"fmt"
"math"
"slices"
"fiatjaf.com/nostr"
"fiatjaf.com/nostr/sdk/hints"
"github.com/dgraph-io/badger/v4"
)
var _ hints.HintsDB = (*BadgerHints)(nil)
type BadgerHints struct {
db *badger.DB
}
func NewBadgerHints(path string) (*BadgerHints, error) {
opts := badger.DefaultOptions(path)
opts.Logger = nil
db, err := badger.Open(opts)
if err != nil {
return nil, fmt.Errorf("failed to open badger db: %w", err)
}
return &BadgerHints{db: db}, nil
}
func (bh *BadgerHints) Close() {
bh.db.Close()
}
func (bh *BadgerHints) Save(pubkey nostr.PubKey, relay string, hintkey hints.HintKey, ts nostr.Timestamp) {
if now := nostr.Now(); ts > now {
ts = now
}
err := bh.db.Update(func(txn *badger.Txn) error {
k := encodeKey(pubkey, relay)
var tss timestamps
item, err := txn.Get(k)
if err == nil {
err = item.Value(func(val []byte) error {
// there is a value, so we may update it or not
tss = parseValue(val)
return nil
})
if err != nil {
return err
}
} else if err != badger.ErrKeyNotFound {
return err
}
if tss[hintkey] < ts {
tss[hintkey] = ts
return txn.Set(k, encodeValue(tss))
}
return nil
})
if err != nil {
nostr.InfoLogger.Printf("[sdk/hints/badger] unexpected error on save: %s\n", err)
}
}
func (bh *BadgerHints) TopN(pubkey nostr.PubKey, n int) []string {
type relayScore struct {
relay string
score int64
}
scores := make([]relayScore, 0, n)
err := bh.db.View(func(txn *badger.Txn) error {
opts := badger.DefaultIteratorOptions
opts.Prefix = pubkey[:]
it := txn.NewIterator(opts)
defer it.Close()
for it.Seek(opts.Prefix); it.Valid(); it.Next() {
item := it.Item()
k := item.Key()
relay := string(k[32:])
err := item.Value(func(val []byte) error {
tss := parseValue(val)
scores = append(scores, relayScore{relay, tss.sum()})
return nil
})
if err != nil {
continue
}
}
return nil
})
if err != nil {
nostr.InfoLogger.Printf("[sdk/hints/badger] unexpected error on topn: %s\n", err)
return nil
}
slices.SortFunc(scores, func(a, b relayScore) int {
return int(b.score - a.score)
})
result := make([]string, 0, n)
for i, rs := range scores {
if i >= n {
break
}
result = append(result, rs.relay)
}
return result
}
func (bh *BadgerHints) GetDetailedScores(pubkey nostr.PubKey, n int) []hints.RelayScores {
type relayScore struct {
relay string
tss timestamps
score int64
}
scores := make([]relayScore, 0, n)
err := bh.db.View(func(txn *badger.Txn) error {
it := txn.NewIterator(badger.DefaultIteratorOptions)
defer it.Close()
for it.Seek(pubkey[:]); it.ValidForPrefix(pubkey[:]); it.Next() {
item := it.Item()
k := item.Key()
relay := string(k[32:])
var tss timestamps
err := item.Value(func(v []byte) error {
tss = parseValue(v)
return nil
})
if err != nil {
return err
}
scores = append(scores, relayScore{relay, tss, tss.sum()})
}
return nil
})
if err != nil {
return nil
}
slices.SortFunc(scores, func(a, b relayScore) int {
return int(b.score - a.score)
})
result := make([]hints.RelayScores, 0, n)
for i, rs := range scores {
if i >= n {
break
}
result = append(result, hints.RelayScores{
Relay: rs.relay,
Scores: rs.tss,
Sum: rs.score,
})
}
return result
}
func (bh *BadgerHints) PrintScores() {
fmt.Println("= print scores")
err := bh.db.View(func(txn *badger.Txn) error {
it := txn.NewIterator(badger.DefaultIteratorOptions)
defer it.Close()
var lastPubkey nostr.PubKey
i := 0
for it.Seek(nil); it.Valid(); it.Next() {
item := it.Item()
k := item.Key()
pubkey, relay := parseKey(k)
if pubkey != lastPubkey {
fmt.Println("== relay scores for", pubkey)
lastPubkey = pubkey
i = 0
} else {
i++
}
err := item.Value(func(val []byte) error {
tss := parseValue(val)
fmt.Printf(" %3d :: %30s ::> %12d\n", i, relay, tss.sum())
return nil
})
if err != nil {
continue
}
}
return nil
})
if err != nil {
nostr.InfoLogger.Printf("[sdk/hints/badger] unexpected error on print: %s\n", err)
}
}
type timestamps [4]nostr.Timestamp
func (tss timestamps) sum() int64 {
now := nostr.Now() + 24*60*60
var sum int64
for i, ts := range tss {
if ts == 0 {
continue
}
value := float64(hints.HintKey(i).BasePoints()) * 10000000000 / math.Pow(float64(max(now-ts, 1)), 1.3)
// fmt.Println(" ", i, "value:", value)
sum += int64(value)
}
return sum
}

196
sdk/hints/bbolth/db.go Normal file
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@@ -0,0 +1,196 @@
package bbolth
import (
"fmt"
"math"
"slices"
"fiatjaf.com/nostr"
"fiatjaf.com/nostr/sdk/hints"
"go.etcd.io/bbolt"
)
var _ hints.HintsDB = (*BoltHints)(nil)
var (
hintsBucket = []byte("hints")
)
type BoltHints struct {
db *bbolt.DB
}
func NewBoltHints(path string) (*BoltHints, error) {
db, err := bbolt.Open(path, 0600, nil)
if err != nil {
return nil, fmt.Errorf("failed to open bbolt db: %w", err)
}
// Create the hints bucket
err = db.Update(func(tx *bbolt.Tx) error {
_, err := tx.CreateBucketIfNotExists(hintsBucket)
return err
})
if err != nil {
db.Close()
return nil, err
}
return &BoltHints{db: db}, nil
}
func (bh *BoltHints) Close() {
bh.db.Close()
}
func (bh *BoltHints) Save(pubkey nostr.PubKey, relay string, hintkey hints.HintKey, ts nostr.Timestamp) {
if now := nostr.Now(); ts > now {
ts = now
}
err := bh.db.Update(func(tx *bbolt.Tx) error {
b := tx.Bucket(hintsBucket)
k := encodeKey(pubkey, relay)
var tss timestamps
if v := b.Get(k); v != nil {
tss = parseValue(v)
}
if tss[hintkey] < ts {
tss[hintkey] = ts
return b.Put(k, encodeValue(tss))
}
return nil
})
if err != nil {
nostr.InfoLogger.Printf("[sdk/hints/bbolt] unexpected error on save: %s\n", err)
}
}
func (bh *BoltHints) TopN(pubkey nostr.PubKey, n int) []string {
type relayScore struct {
relay string
score int64
}
scores := make([]relayScore, 0, n)
err := bh.db.View(func(tx *bbolt.Tx) error {
b := tx.Bucket(hintsBucket)
c := b.Cursor()
prefix := pubkey[:]
for k, v := c.Seek(prefix); k != nil && len(k) >= 32 && string(k[:32]) == string(prefix); k, v = c.Next() {
relay := string(k[32:])
tss := parseValue(v)
scores = append(scores, relayScore{relay, tss.sum()})
}
return nil
})
if err != nil {
nostr.InfoLogger.Printf("[sdk/hints/bbolt] unexpected error on topn: %s\n", err)
return nil
}
slices.SortFunc(scores, func(a, b relayScore) int {
return int(b.score - a.score)
})
result := make([]string, 0, n)
for i, rs := range scores {
if i >= n {
break
}
result = append(result, rs.relay)
}
return result
}
func (bh *BoltHints) GetDetailedScores(pubkey nostr.PubKey, n int) []hints.RelayScores {
type relayScore struct {
relay string
tss timestamps
score int64
}
scores := make([]relayScore, 0, n)
err := bh.db.View(func(tx *bbolt.Tx) error {
b := tx.Bucket(hintsBucket)
c := b.Cursor()
prefix := pubkey[:]
for k, v := c.Seek(prefix); k != nil && len(k) >= 32 && string(k[:32]) == string(prefix); k, v = c.Next() {
relay := string(k[32:])
tss := parseValue(v)
scores = append(scores, relayScore{relay, tss, tss.sum()})
}
return nil
})
if err != nil {
return nil
}
slices.SortFunc(scores, func(a, b relayScore) int {
return int(b.score - a.score)
})
result := make([]hints.RelayScores, 0, n)
for i, rs := range scores {
if i >= n {
break
}
result = append(result, hints.RelayScores{
Relay: rs.relay,
Scores: rs.tss,
Sum: rs.score,
})
}
return result
}
func (bh *BoltHints) PrintScores() {
fmt.Println("= print scores")
err := bh.db.View(func(tx *bbolt.Tx) error {
b := tx.Bucket(hintsBucket)
c := b.Cursor()
var lastPubkey nostr.PubKey
i := 0
for k, v := c.First(); k != nil; k, v = c.Next() {
pubkey, relay := parseKey(k)
tss := parseValue(v)
if pubkey != lastPubkey {
fmt.Println("== relay scores for", pubkey)
lastPubkey = pubkey
i = 0
} else {
i++
}
fmt.Printf(" %3d :: %30s ::> %12d\n", i, relay, tss.sum())
}
return nil
})
if err != nil {
nostr.InfoLogger.Printf("[sdk/hints/bbolt] unexpected error on print: %s\n", err)
}
}
type timestamps [4]nostr.Timestamp
func (tss timestamps) sum() int64 {
now := nostr.Now() + 24*60*60
var sum int64
for i, ts := range tss {
if ts == 0 {
continue
}
value := float64(hints.HintKey(i).BasePoints()) * 10000000000 / math.Pow(float64(max(now-ts, 1)), 1.3)
sum += int64(value)
}
return sum
}

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@@ -1,4 +1,4 @@
package badgerh
package bbolth
import (
"encoding/binary"
@@ -6,9 +6,9 @@ import (
"fiatjaf.com/nostr"
)
func encodeKey(pubhintkey nostr.PubKey, relay string) []byte {
func encodeKey(pubkey nostr.PubKey, relay string) []byte {
k := make([]byte, 32+len(relay))
copy(k[0:32], pubhintkey[:])
copy(k[0:32], pubkey[:])
copy(k[32:], relay)
return k
}

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@@ -1,21 +0,0 @@
package test
import (
"os"
"testing"
"fiatjaf.com/nostr/sdk/hints/badgerh"
)
func TestBadgerHints(t *testing.T) {
path := "/tmp/tmpsdkhintsbadger"
os.RemoveAll(path)
hdb, err := badgerh.NewBadgerHints(path)
if err != nil {
t.Fatal(err)
}
defer hdb.Close()
runTestWith(t, hdb)
}

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@@ -0,0 +1,21 @@
package test
import (
"os"
"testing"
"fiatjaf.com/nostr/sdk/hints/bbolth"
)
func TestBoltHints(t *testing.T) {
path := "/tmp/tmpsdkhintsbbolt"
os.RemoveAll(path)
hdb, err := bbolth.NewBoltHints(path)
if err != nil {
t.Fatal(err)
}
defer hdb.Close()
runTestWith(t, hdb)
}

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@@ -1,90 +0,0 @@
package badger
import (
"github.com/dgraph-io/badger/v4"
"fiatjaf.com/nostr/sdk/kvstore"
)
var _ kvstore.KVStore = (*Store)(nil)
type Store struct {
db *badger.DB
}
func NewStore(path string) (*Store, error) {
opts := badger.DefaultOptions(path)
db, err := badger.Open(opts)
if err != nil {
return nil, err
}
return &Store{db: db}, nil
}
func (s *Store) Get(key []byte) ([]byte, error) {
var valCopy []byte
err := s.db.View(func(txn *badger.Txn) error {
item, err := txn.Get(key)
if err == badger.ErrKeyNotFound {
return nil
}
if err != nil {
return err
}
return item.Value(func(val []byte) error {
valCopy = make([]byte, len(val))
copy(valCopy, val)
return nil
})
})
if err != nil {
return nil, err
}
return valCopy, nil
}
func (s *Store) Set(key []byte, value []byte) error {
return s.db.Update(func(txn *badger.Txn) error {
return txn.Set(key, value)
})
}
func (s *Store) Delete(key []byte) error {
return s.db.Update(func(txn *badger.Txn) error {
return txn.Delete(key)
})
}
func (s *Store) Close() error {
return s.db.Close()
}
func (s *Store) Update(key []byte, f func([]byte) ([]byte, error)) error {
return s.db.Update(func(txn *badger.Txn) error {
var val []byte
item, err := txn.Get(key)
if err == nil {
err = item.Value(func(v []byte) error {
val = make([]byte, len(v))
copy(val, v)
return nil
})
if err != nil {
return err
}
} else if err != badger.ErrKeyNotFound {
return err
}
newVal, err := f(val)
if err == kvstore.NoOp {
return nil
} else if err != nil {
return err
}
if newVal == nil {
return txn.Delete(key)
}
return txn.Set(key, newVal)
})
}

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@@ -0,0 +1,96 @@
package bbolt
import (
"fiatjaf.com/nostr/sdk/kvstore"
"go.etcd.io/bbolt"
)
var _ kvstore.KVStore = (*Store)(nil)
var (
defaultBucket = []byte("default")
)
type Store struct {
db *bbolt.DB
bucket []byte
}
func NewStore(path string) (*Store, error) {
db, err := bbolt.Open(path, 0600, nil)
if err != nil {
return nil, err
}
// Create the default bucket
err = db.Update(func(tx *bbolt.Tx) error {
_, err := tx.CreateBucketIfNotExists(defaultBucket)
return err
})
if err != nil {
db.Close()
return nil, err
}
return &Store{db: db, bucket: defaultBucket}, nil
}
func (s *Store) Get(key []byte) ([]byte, error) {
var val []byte
err := s.db.View(func(tx *bbolt.Tx) error {
b := tx.Bucket(s.bucket)
if b == nil {
return nil
}
val = b.Get(key)
if val != nil {
// Make a copy since bbolt reuses the slice
valCopy := make([]byte, len(val))
copy(valCopy, val)
val = valCopy
}
return nil
})
return val, err
}
func (s *Store) Set(key []byte, value []byte) error {
return s.db.Update(func(tx *bbolt.Tx) error {
b := tx.Bucket(s.bucket)
return b.Put(key, value)
})
}
func (s *Store) Delete(key []byte) error {
return s.db.Update(func(tx *bbolt.Tx) error {
b := tx.Bucket(s.bucket)
return b.Delete(key)
})
}
func (s *Store) Close() error {
return s.db.Close()
}
func (s *Store) Update(key []byte, f func([]byte) ([]byte, error)) error {
return s.db.Update(func(tx *bbolt.Tx) error {
b := tx.Bucket(s.bucket)
var val []byte
if v := b.Get(key); v != nil {
val = make([]byte, len(v))
copy(val, v)
}
newVal, err := f(val)
if err == kvstore.NoOp {
return nil
} else if err != nil {
return err
}
if newVal == nil {
return b.Delete(key)
}
return b.Put(key, newVal)
})
}