Helper Class
An auxiliary method of the contract storage, including creating StorageMap objects, retrieving elements, deleting elements, and updating elements.
Namespace: Neo.SmartContract.Framework.Services.Neo
Assembly: Neo.SmartContract.Framework
Syntax
public static class Helper
Methods
| Name | Description |
|---|---|
| CreateMap(this StorageContext context, string prefix) | Creates StorageMap objects |
| Delete(this StorageMap map, byte[] key) | Deletes the key of the byte array type given in the storage context |
| Delete(this StorageMap map, string key) | Deletes the key of the string given in the storage context |
| Get(this StorageMap map, byte[] key) | Gets the byte array type value corresponding to the key of the byte array type given in the storage context |
| Get(this StorageMap map, string key) | Gets the byte array type value corresponding to the key of the string given in the storage context |
| Put(this StorageMap map, byte[] key, byte[] value | Puts the byte array type value to the key of the byte array type for the given storage context |
| Put(this StorageMap map, byte[] key, BigInteger value) | Puts the BigInteger type value to the key of the byte array type for the given storage context |
| Put(this StorageMap map, byte[] key, string value) | Puts the string type value to the key of the byte array type for the given storage context |
| Put(this StorageMap map, string key, byte[] value) | Puts the byte array type value to the key of the string type for the given storage context |
| Put(this StorageMap map, string key, BigInteger key) | Puts the BigInteger type value to the key of the string type for the given storage context |
| Put(this StorageMap map, string key, string value) | Puts the string type value to the key of the string type for the given storage context |
Constructor
Helper is a static class and does not require a constructor.