Release v0.6.7

Changelog

All notable changes to this project will be documented in this file.

[0.6.7] - 2023-05-05

• Add IPriceFeedDispatcher.decimals back for backward compatible.

[0.6.6] - 2023-05-05

• Add PriceFeedDispatcher.getPrice for backward compatible.

[0.6.5] - 2023-03-31

• Refine natspec

[0.6.4] - 2023-03-30

• Rename ChainlinkPriceFeedV3.getCachedTwap to ChainlinkPriceFeedV3.getPrice.
• Rename ChainlinkPriceFeedV3.getCachedPrice to ChainlinkPriceFeedV3.getLatestOrCachedPrice.

[0.6.3] - 2023-03-14

• Add ChainlinkPriceFeedV3.getCachePrice to fetch the latest valid price and updated timestamp.
• Add ChainlinkPriceFeedV3.getTimeout to get timeout config of ChainlinkPriceFeedV3.

Release v0.6.2

[0.6.2] - 2023-03-01

• observations extends to 1800 at CumulativeTwap.sol to support extreme circumstance.
• To better enhance above performance, we introduce binary search mimicked from https://github.com/Uniswap/v3-core/blob/05c10bf/contracts/libraries/Oracle.sol#L153.
• Remove CT_NEH from CumulativeTwap.sol. Won't be calculated if so. Simply return latest price at CachedTwap.sol.
• Fix imprecise TWAP calculation when historical data is not enough at CumulativeTwap.sol. Won't be calculated if so.

[0.6.1] - 2023-03-01

• Fix cachedTwap won't be updated when latest updated timestamp not changed

[0.6.0] - 2023-03-01

Added

• Add ChainlinkPriceFeedV3.sol with better error handling when Chainlink is broken.
• Add PriceFeedDispatcher.sol, a proxy layer to fetch Chainlink or Uniswap's price.
• Add UniswapV3PriceFeed.sol to fetch a market TWAP with a hard coded time period.
• Update CachedTwap.sol and CumulativeTwap.sol to better support above fallbackable oracle

[0.5.1] - 2023-02-07

• Add ChainlinkPriceFeedV1R1

Release v0.5.0

[0.5.0] - 2022-08-23

• Add PriceFeedUpdater

Release v0.4.3

Add new interface IChainlinkPriceFeed for ChainlinkPriceFeed and ChainlinkPriceFeedV2.

Release v0.4.2

Add ChainlinkPriceFeed.getRoundData()

Release v0.4.1

• Fix npm pack

Release v0.4.0

[0.4.0] - 2022-05-24

• Add ChainlinkPriceFeedV2, which calculates the twap by cached twap.
• Add origin ChainlinkPriceFeed, which calculates the twap by round data instead of cached twap.

v0.3.4

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog,
and this project adheres to Semantic Versioning.

[unreleased]

[0.3.4] - 2022-04-01

• Add cacheTwap(uint256) to IPriceFeed.sol and EmergencyPriceFeed.sol
• Remove ICachedTwap.sol

[0.3.3] - 2022-03-18

Changed

• Refactor ChainlinkPriceFeed, BandPriceFeed, and EmergencyPriceFeed with efficient TWAP calculation.
• Change the license to GPL-3.0-or-later.

[0.3.2] - 2022-03-04

• Using cumulative twap in Chainlink price feed

[0.3.0] - 2022-02-07

• Add EmergencyPriceFeed.

[0.2.2] - 2021-12-28

• BandPriceFeed will revert if price not updated yet.

[0.2.1] - 2021-12-24

• Fix BandPriceFeed when the price feed haven't updated.

[0.2.0] - 2021-12-21

• Add BandPriceFeed.

v0.3.3

[0.3.3] - 2022-03-18

Changed

• Refactor ChainlinkPriceFeed, BandPriceFeed, and EmergencyPriceFeed with efficient TWAP calculation.
• Change the license to GPL-3.0-or-later.

v0.3.2

[0.3.2] - 2022-03-04

• Using cumulative twap in Chainlink price feed