remove dead code.

chain/types/ethtypes/eth_types.go

@@ -422,30 +422,6 @@ type EthFeeHistory struct {
 	Reward        *[][]EthBigInt `json:"reward,omitempty"`
 }
 
-type BlkNumType int64
-
-const (
-	BlkNumLatest BlkNumType = iota
-	BlkNumPending
-	BlkNumVal
-)
-
-func ParseBlkNumOption(str string) (typ BlkNumType, blkNum EthUint64, err error) {
-	switch str {
-	case "pending":
-		return BlkNumPending, 0, nil
-	case "latest":
-		return BlkNumLatest, 0, nil
-	default:
-		var num EthUint64
-		err := num.UnmarshalJSON([]byte(`"` + str + `"`))
-		if err != nil {
-			return BlkNumVal, 0, err
-		}
-		return BlkNumVal, num, nil
-	}
-}
-
 type EthFilterID EthHash
 
 // An opaque identifier generated by the Lotus node to refer to an active subscription.