IChainlinkAggregatorV3
from https://github.com/smartcontractkit/chainlink/blob/master/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol Copyright (c) 2018 SmartContract ChainLink, Ltd.
decimals
function decimals() external view returns (uint8)represents the number of decimals the aggregator responses represent.
description
function description() external view returns (string)version
function version() external view returns (uint256)getRoundData
function getRoundData(uint80 _roundId) external view returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound)latestRoundData
function latestRoundData() external view returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound)