AggregatorInterface v0.2.2 API Reference

npm install @chainlink/local@0.2.2

yarn add @chainlink/local@0.2.2

If you use Foundry:

forge install smartcontractkit/chainlink-local@cd3bfb8c42716cfb791174314eba2c0d178551b9

and then set remappings to: @chainlink/local/=lib/chainlink-local/ in either remappings.txt or foundry.toml file

Import the CCIPLocalSimulator contract from the @chainlink/local package:

import {CCIPLocalSimulator} from "@chainlink/local@0.2.2/src/ccip/CCIPLocalSimulator.sol";

AggregatorInterface

An interface that defines the standard methods for accessing price feed data from an aggregator contract.

event AnswerUpdated(int256 indexed current, uint256 indexed roundId, uint256 updatedAt)

Parameter	Type	Description
current	int256	The updated answer
roundId	uint256	The round ID for which the answer was updated
updatedAt	uint256	The timestamp when the answer was updated

event NewRound(uint256 indexed roundId, address indexed startedBy, uint256 startedAt)

Parameter	Type	Description
roundId	uint256	The round ID of the new round
startedBy	address	The address of the account that started the round
startedAt	uint256	The timestamp when the round was started

Retrieves the price answer for a specific round.

function getAnswer(uint256 roundId) external view returns (int256)

Parameter	Type	Description
roundId	uint256	The round ID to get the answer for

Parameter	Type	Description
(unnamed)	int256	The answer for the given round ID

Retrieves the timestamp for a specific round.

function getTimestamp(uint256 roundId) external view returns (uint256)

Parameter	Type	Description
roundId	uint256	The round ID to get the timestamp for

Parameter	Type	Description
(unnamed)	uint256	The timestamp for the given round ID

Retrieves the most recent price answer.

function latestAnswer() external view returns (int256)

Parameter	Type	Description
(unnamed)	int256	The latest answer

Retrieves the most recent round ID.

function latestRound() external view returns (uint256)

Parameter	Type	Description
(unnamed)	uint256	The latest round ID

Retrieves the timestamp of the most recent answer.

function latestTimestamp() external view returns (uint256)

Parameter	Type	Description
(unnamed)	uint256	The timestamp of the latest answer