LBRYCommunity/herald.go
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asdf

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This commit is contained in:
Jeffrey Picard 2021-12-16 11:42:36 -05:00
parent 9a0a44e688
commit f248bd3fab
3 changed files with 10 additions and 67 deletions
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65
db/db.go
View file

@ -27,23 +27,7 @@ type IterOptions struct {
RawValue bool
}
type PrefixRow struct {
//KeyStruct interface{}
//ValueStruct interface{}
Prefix []byte
//KeyPackFunc interface{}
//ValuePackFunc interface{}
//KeyUnpackFunc interface{}
//ValueUnpackFunc interface{}
DB *grocksdb.DB
}
type PrefixRowKV struct {
Key []byte
Value []byte
}
type PrefixRowKV2 struct {
Key interface{}
Value interface{}
}
@ -162,14 +146,6 @@ func UnpackGenericValue(key, value []byte) (byte, interface{}, error) {
}
// NewIterateOptions creates a defualt options structure for a db iterator.
// Default values:
// FillCache: false,
// Start: nil,
// Stop: nil,
// IncludeStart: true,
// IncludeStop: false,
// IncludeKey: true,
// IncludeValue: false,
func NewIterateOptions() *IterOptions {
return &IterOptions{
FillCache: false,
@ -245,8 +221,8 @@ func (k *UTXOKey) String() string {
)
}
func Iter(db *grocksdb.DB, opts *IterOptions) <-chan *PrefixRowKV2 {
ch := make(chan *PrefixRowKV2)
func Iter(db *grocksdb.DB, opts *IterOptions) <-chan *PrefixRowKV {
ch := make(chan *PrefixRowKV)
ro := grocksdb.NewDefaultReadOptions()
ro.SetFillCache(opts.FillCache)
@ -340,7 +316,7 @@ func Iter(db *grocksdb.DB, opts *IterOptions) <-chan *PrefixRowKV2 {
key.Free()
value.Free()
ch <- &PrefixRowKV2{
ch <- &PrefixRowKV{
Key: outKey,
Value: outValue,
}
@ -515,42 +491,14 @@ func OpenDB(name string, start string) int {
return i
}
func OpenAndWriteDB(prIn *PrefixRow, options *IterOptions, out string) {
// Write db
//opts := grocksdb.NewDefaultOptions()
//opts.SetCreateIfMissing(true)
//db, err := grocksdb.OpenDb(opts, out)
//if err != nil {
// log.Println(err)
//}
//wo := grocksdb.NewDefaultWriteOptions()
//defer db.Close()
func OpenAndWriteDB(db *grocksdb.DB, options *IterOptions, out string) {
options.Prefix = prIn.Prefix
ch := Iter(prIn.DB, options)
ch := Iter(db, options)
var i = 0
for kv := range ch {
key := kv.Key.(*UTXOKey)
value := kv.Value.(*UTXOValue)
//var unpackedKey *UTXOKey = nil
//var unpackedValue *UTXOValue = nil
//if key != nil {
// unpackKeyFnValue := reflect.ValueOf(prIn.KeyUnpackFunc)
// keyArgs := []reflect.Value{reflect.ValueOf(key)}
// unpackKeyFnResult := unpackKeyFnValue.Call(keyArgs)
// unpackedKey = unpackKeyFnResult[0].Interface().(*UTXOKey)
//}
//
//if value != nil {
// unpackValueFnValue := reflect.ValueOf(prIn.ValueUnpackFunc)
// valueArgs := []reflect.Value{reflect.ValueOf(value)}
// unpackValueFnResult := unpackValueFnValue.Call(valueArgs)
// unpackedValue = unpackValueFnResult[0].Interface().(*UTXOValue)
//}
//log.Println(key, value)
keyMarshal, err := json.Marshal(key)
if err != nil {
@ -563,9 +511,6 @@ func OpenAndWriteDB(prIn *PrefixRow, options *IterOptions, out string) {
log.Println(string(keyMarshal), string(valMarshal))
//if err := db.Put(wo, key, value); err != nil {
// log.Println(err)
//}
i++
}
}

2
db/prefixes/prefixes.go
View file

@ -14,10 +14,10 @@ const (
EffectiveAmount = 'D'
ClaimExpiration = 'O'
ActiveAmount = 'S'
ClaimTakeover = 'P'
PendingActivation = 'Q'
ActivatedClaimAndSupport = 'R'
ActiveAmount = 'S'
Repost = 'V'
RepostedClaim = 'W'

10
main.go
View file

@ -37,11 +37,6 @@ func main() {
log.Fatalln(err)
}
pr := &db.PrefixRow{
Prefix: []byte{prefixes.UTXO},
DB: dbVal,
}
b, err := hex.DecodeString("000013")
if err != nil {
log.Println(err)
@ -59,15 +54,18 @@ func main() {
options := &db.IterOptions{
FillCache: false,
Prefix: []byte{prefixes.UTXO},
Start: nil,
Stop: stop,
IncludeStart: true,
IncludeStop: false,
IncludeKey: true,
IncludeValue: true,
RawKey: false,
RawValue: false,
}
db.OpenAndWriteDB(pr, options, "./resources/asdf2.db")
db.OpenAndWriteDB(dbVal, options, "./resources/asdf2.db")
return
}