add back the missing committed input parameter

rpc/types.go

@@ -78,7 +78,7 @@ const (
 )
 
 // UnmarshalJSON parses the given JSON fragment into a BlockNumber. It supports:
-// - "latest", "earliest" or "pending" as string arguments
+// - "latest", "earliest", "pending" and "committed" as string arguments
 // - the block number
 // Returned errors:
 // - an invalid block number error when the given argument isn't a known strings
@@ -99,6 +99,9 @@ func (bn *BlockNumber) UnmarshalJSON(data []byte) error {
 	case "pending":
 		*bn = PendingBlockNumber
 		return nil
+	case "committed":
+		*bn = CommittedBlockNumber
+		return nil
 	}
 
 	blckNum, err := hexutil.DecodeUint64(input)
@@ -157,6 +160,10 @@ func (bnh *BlockNumberOrHash) UnmarshalJSON(data []byte) error {
 		bn := PendingBlockNumber
 		bnh.BlockNumber = &bn
 		return nil
+	case "committed":
+		bn := CommittedBlockNumber
+		bnh.BlockNumber = &bn
+		return nil
 	default:
 		if len(input) == 66 {
 			hash := common.Hash{}