Cache

Reuse data acquired in the past

This function is used when data retrieved in a previous query is to be used again and does not require access to off-chain agents, allowing for fast data access.

function getCache(
	QueryType.QueryRequest[] memory queries
) external view returns (bytes[] memory);

Field	Description
queries	An array of QueryRequest data

Here is what the getCache function does;

• calculates a key from the queries

• get the QueryData[] corresponding to the key

  • QueryData is made to consist of height and result

• retrieve the target data from QueryData[]

  • If a specific height is specified

    • Find the matching QueryData

  • If height = 0

    • Find the QueryData with the largest height

• Insert the retrieved data into the array

• Return the data