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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

NameDescription
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[] valuePuts 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.