/
fileHandler.go
304 lines (232 loc) Β· 7.25 KB
/
fileHandler.go
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package degendb
import (
"bytes"
"encoding/gob"
"io"
"os"
"sort"
"github.com/charmbracelet/log"
"github.com/klauspost/compress/zstd"
)
type OpenSeaMetadata []struct {
TokenIdentifier struct {
ContractAddress string `json:"contract_address"`
TokenID int64 `json:"token_id"`
} `json:"token_identifier"`
MetadataDict map[string]interface{} `json:"metadata_dict"`
TokenStandard string `json:"token_standard"`
Slug string `json:"slug"`
}
type OpenSeaRanks map[int64]TokenRank
type TokenRank struct {
Rank int64 `json:"rank"`
Score float64 `json:"score"`
}
func (tr TokenRank) GetRankSymbol(totalSupply uint64) string {
if totalSupply == 0 {
return ""
}
topX := float64(tr.Rank) / float64(totalSupply)
var rankSymbol string
switch {
case topX <= 0.01:
rankSymbol = "π₯"
case topX <= 0.1:
rankSymbol = "π₯"
case topX <= 0.25:
rankSymbol = "π₯"
default:
rankSymbol = ""
}
return rankSymbol
}
//
// helper & utility functions
//
func SortMapByValue(m map[string]int64, reverse bool) []string {
sorted := make([]string, 0)
for k := range m {
sorted = append(sorted, k)
}
sort.Slice(sorted, func(i, j int) bool {
if reverse {
return m[sorted[i]] < m[sorted[j]]
}
return m[sorted[i]] > m[sorted[j]]
})
return sorted
}
func WriteDataToFile(data interface{}, filePath string) {
var buf bytes.Buffer
err := gob.NewEncoder(&buf).Encode(data)
if err != nil {
log.Errorf("failed to encode metadata: %s", err)
}
file, err := os.Create(filePath)
if err != nil {
log.Errorf("failed to create file: %s", err)
}
defer file.Close()
err = ZstdCompress(&buf, file)
if err != nil {
log.Errorf("failed to compress file: %s", err)
}
}
// func ReadMetadataFromFile(filePath string) ([]degendb.TokenMetadata, error) {
// metadata := make([]degendb.TokenMetadata, 0)
// file, err := os.Open(filePath)
// if err != nil {
// log.Errorf("failed to open file: %s", err)
// return metadata, err
// }
// defer file.Close()
// log.Debugf("file: %+v", file)
// decoder, err := zstd.NewReader(file, zstd.WithDecoderConcurrency(0))
// if err != nil {
// log.Errorf("failed to create zstd decoder: %s", err)
// }
// defer decoder.Close()
// err = gob.NewDecoder(decoder.IOReadCloser()).Decode(&metadata)
// if err != nil {
// return metadata, err
// }
// return metadata, nil
// }
func ZstdCompress(in io.Reader, out io.Writer) error {
enc, err := zstd.NewWriter(out, zstd.WithEncoderLevel(zstd.SpeedFastest))
if err != nil {
return err
}
_, err = io.Copy(enc, in)
if err != nil {
enc.Close()
return err
}
return enc.Close()
}
// func ReadOSRawDataFiles(gb *gloomberg.Gloomberg, filePath string) {
// rankAndMetadataFiles, err := os.ReadDir(filePath)
// if err != nil {
// log.Errorf("error reading metadata directory %s: %s", DegendataDir, err)
// }
// log.Debugf("Found metadata files: %+v", rankAndMetadataFiles)
// for _, f := range rankAndMetadataFiles {
// log.Debugf("%+v", f)
// if strings.HasPrefix(f.Name(), "ranks_") {
// slug := strings.TrimSuffix(strings.TrimPrefix(f.Name(), "ranks_"), ".json")
// // var metadata interface{}
// err := ReadOpenSeaMetadataAndRanks(gb, path.Dir(filePath), slug)
// if err != nil {
// log.Errorf("failed to read from file: %s", err)
// continue
// }
// // contractAddress := common.HexToAddress(f.Name()[:42])
// // log.Debugf("Loaded metadata for %s", contractAddress.Hex())
// }
// }
// }
// func ReadOpenSeaMetadataAndRanks(gb *gloomberg.Gloomberg, filePath string, slug string) error {
// slugAddresses := gb.CollectionDB.OpenseaAddressToSlug()
// tokens := make([]Token, 0)
// collections := make([]Collection, 0)
// osMetadata := make(OpenSeaMetadata, 0)
// osRanks := make(OpenSeaRanks, 0)
// metadataFileName := fmt.Sprintf("%s_cached_os_trait_data.json", slug)
// metadataFile, err := os.Open(filepath.Join(filePath, metadataFileName))
// if err != nil {
// log.Errorf("failed to open file: %s", err)
// return err
// }
// defer metadataFile.Close()
// log.Debugf("metadataFile: %+v", metadataFile)
// ranksFileName := fmt.Sprintf("ranks_%s.json", slug)
// ranksFile, err := os.Open(filepath.Join(filePath, ranksFileName))
// if err != nil {
// log.Errorf("failed to open file: %s", err)
// return err
// }
// defer ranksFile.Close()
// log.Debugf("ranksFile: %+v", ranksFile)
// metadataBytes, err := io.ReadAll(metadataFile)
// ranksBytes, err := io.ReadAll(ranksFile)
// // parse json to structs
// err = json.Unmarshal(metadataBytes, &osMetadata)
// if err != nil {
// log.Printf("failed to decode metadata json: %s", err)
// return err
// }
// // parse json to structs
// err = json.Unmarshal(ranksBytes, &osRanks)
// if err != nil {
// log.Printf("failed to decode ranks json: %s", err)
// return err
// }
// log.Debugf("osMetadata: %+v | osRanks: %+v", len(osMetadata), len(osRanks))
// if len(osMetadata) == 0 || len(osRanks) == 0 { // len(osMetadata) != len(osRanks) {
// log.Printf("osMetadata: %+v | osRanks: %+v", len(osMetadata), len(osRanks))
// return errors.New("metadata and ranks length mismatch")
// }
// collection := Collection{
// ID: primitive.NewObjectID(),
// Address: common.HexToAddress(osMetadata[0].TokenIdentifier.ContractAddress),
// Slugs: Slugs{OpenSea: slug},
// Name: slug,
// TotalSupply: len(osMetadata),
// CreatedAt: time.Now(),
// }
// collections = append(collections, collection)
// // log.Printf("osMetadata[13]: %#v", osMetadata[:13])
// log.Debugf("osRanks[13]: %+v", osRanks[13])
// for _, v := range osMetadata {
// token := Token{
// ID: primitive.NewObjectID(),
// Collection: collection,
// ContractAddress: v.TokenIdentifier.ContractAddress,
// TokenID: v.TokenIdentifier.TokenID,
// CollectionSlugs: Slugs{
// OpenSea: slugAddresses[common.HexToAddress(v.TokenIdentifier.ContractAddress)],
// },
// Rank: Rank{
// OpenSea: osRanks[v.TokenIdentifier.TokenID].Rank,
// },
// Score: osRanks[v.TokenIdentifier.TokenID].Score,
// CreatedAt: time.Now(),
// }
// for k, v := range v.MetadataDict {
// var strValue string
// if val, ok := v.(string); ok {
// strValue = val
// } else {
// strValue = fmt.Sprintf("%v", v)
// }
// attribute := MetadataAttribute{
// Name: k,
// Value: strValue,
// }
// if token.Rank.OpenSea == 0 {
// gbl.Log.Infof("tmissing rank for token: %+v", token)
// continue
// }
// token.Metadata = append(token.Metadata, attribute)
// }
// tokens = append(tokens, token)
// }
// for _, v := range tokens[len(tokens)-1:] {
// log.Debugf("%+v\n\n\n", v)
// }
// // gb.AddCollectionToken(collections, tokens)
// Metadatas[collection.Address] = make(map[int64]TokenMetadata)
// for _, t := range tokens {
// log.Debugf("%+v", t)
// // transform token to TokenMetadata
// tokenMetadata := TokenMetadata{
// Name: t.Name,
// TokenID: t.TokenID,
// ContractAddress: common.HexToAddress(t.ContractAddress),
// Attributes: t.Metadata,
// }
// Metadatas[collection.Address][t.TokenID] = tokenMetadata
// }
// log.Printf("Metadata | collections: %+v", len(Metadatas))
// return nil
// }