Indexing Storage Change
The @indexStorageChange decorator can be used to mark an indexer method that will be listening for storage changes on a contract.
When a storage change is detected on an indexed contract, the method will be invoked with detailed information about the change.
Parameters
The following parameters will be passed to the indexing method:
Name | Description |
---|---|
| The new storage value. The exact type will depend on the code of the contract. |
| The DbContext to store data to. |
| The StorageChangeIndexingContext with additional information about the change. |
Example
The following code will print the value of the property foo
every time the contract has new storage:
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