/
db.go
90 lines (75 loc) · 2.31 KB
/
db.go
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package tools
import (
"encoding/json"
"fmt"
"strconv"
pbcodec "github.com/zhongshuwen/historyexp/pb/dfuse/eosio/codec/v1"
trxdb "github.com/zhongshuwen/historyexp/trxdb"
"github.com/dfuse-io/kvdb"
_ "github.com/dfuse-io/kvdb/store/badger"
_ "github.com/dfuse-io/kvdb/store/bigkv"
_ "github.com/dfuse-io/kvdb/store/tikv"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var dbCmd = &cobra.Command{Use: "db", Short: "Read from EOS db"}
var dbBlkCmd = &cobra.Command{Use: "blk", Short: "Read a Blk", RunE: dbReadBlockE, Args: cobra.ExactArgs(1)}
var dbTrxCmd = &cobra.Command{Use: "trx", Short: "Reads a Trx", RunE: dbReadTrxE, Args: cobra.ExactArgs(1)}
var chainDiscriminator = func(blockID string) bool {
return true
}
func init() {
Cmd.AddCommand(dbCmd)
dbCmd.AddCommand(dbBlkCmd)
dbCmd.AddCommand(dbTrxCmd)
dbCmd.PersistentFlags().String("dsn", "badger:///zswlishi-data/kvdb/kvdb_badger.db", "kvStore DSN")
}
func dbReadBlockE(cmd *cobra.Command, args []string) (err error) {
db, err := trxdb.New(viper.GetString("dsn"), trxdb.WithLogger(zlog))
if err != nil {
return fmt.Errorf("failed to setup db: %w", err)
}
blocks := []*pbcodec.BlockWithRefs{}
if blockNum, err := strconv.ParseUint(args[0], 10, 32); err == nil {
dbBlocks, err := db.GetBlockByNum(cmd.Context(), uint32(blockNum))
if err != nil {
return fmt.Errorf("failed to get block: %w", err)
}
blocks = append(blocks, dbBlocks...)
} else {
dbBlock, err := db.GetBlock(cmd.Context(), args[0])
if err != nil {
return fmt.Errorf("failed to get block: %w", err)
}
blocks = append(blocks, dbBlock)
}
for _, blk := range blocks {
printEntity(blk)
}
return nil
}
func dbReadTrxE(cmd *cobra.Command, args []string) (err error) {
db, err := trxdb.New(viper.GetString("dsn"), trxdb.WithLogger(zlog))
if err != nil {
return err
}
trxID := args[0]
evs, err := db.GetTransactionEvents(cmd.Context(), trxID)
if err == kvdb.ErrNotFound {
return fmt.Errorf("Transaction %q not found", trxID)
}
if err != nil {
return fmt.Errorf("Failed to get transaction: %w", err)
}
transaction := pbcodec.MergeTransactionEvents(evs, chainDiscriminator)
printEntity(transaction)
return nil
}
func printEntity(obj interface{}) (err error) {
cnt, err := json.Marshal(obj)
if err != nil {
return err
}
fmt.Println(string(cnt))
return nil
}