RPCGetProof constructor
      
      RPCGetProof({ 
    
    
- required String address,
- required List<String> storageKeys,
- BlockTagOrNumber? blockNumber = BlockTagOrNumber.latest,
Implementation
RPCGetProof(
    {required this.address,
    required this.storageKeys,
    BlockTagOrNumber? blockNumber = BlockTagOrNumber.latest})
    : super(blockNumber: blockNumber);