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CHANGELOG.md

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Changelog Chainlink External Adapters

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]

[0.2.0-rc.1] - 2021-2-4

Added

  • New adapters:

    • xbto to get BRN quotes
    • iv-outlier-detection to get IV values with outlier detection
    • taapi to get Trading Analysis data
    • stasis to get Circulating Supply of EURS
    • defi-pulse to calculate an accurate price for the Defi Pulse Index
    • finage to get Financial data from finage.co.uk
    • coincodex to get crypto prices from CoinCodex
    • coinranking to get crypto prices from Coinranking
    • crypto-volatility-index to calculate the CVI (Crypto volatility index)
    • btc.com to get on-chain balances from BTC.com
    • sochain to get on-chain balances from SoChain
    • dns-query to query DNS over HTTPS
    • dns-record-check to check whether some record provided exists on DNS
    • paxos to get Paxos asset supply attestations
    • outlier-detection: composite adapter to check for outlier values between multiple sets of data providers
    • dydx-stark to sign the input price data with your private STARK key, and send it to the destination endpoint.
    • apy-finance to calculate the TVL in APY Finance
    • token-allocation composite adapter to calculate the total price from a set of tokens
    • bitcoin-json-rpc: composite adapter for querying bitcoin blockchain stats(difficulty, height) according to the existing convention
    • iex-cloud to get stock and crypto market data from IEX Cloud
    • cfbenchmarks to get crypto benchmarks and indices
    • dxfeed-secondary to handle secondary mappings for the TSLA symbol
    • harmony to write transactions to the Harmony blockchain
    • tiingo to get end-of-day stock price data from Tiingo

  • Added support for metadata in requests. This gives adapters access to the FM on-chain round state.

  • Moves re-usable test behaviors & testing utils to a new package - @chainlink/adapter-test-helpers

  • Added support for using query string parameters as input to adapters.

  • Add a package re-usable adapter factory implementations to - @chainlink/ea-factories

  • Added support for using multiple API Keys per-adapter

Fixed

  • CMC adapter price query fixed for currencies where multiple currencies have the same symbol

Changed

  • Oilprice adapters now accept a common request for Brent crude oil: {"market":"brent"}
  • Market closure is now a composite adapter, and now follows the build instructions for composite adapters. Market now also supports using metadata.
  • Coinlore now accepts an optional environment variable to set the default API endpoint
  • Migrates @chainlink/ea-bootstrap and @chainlink/external-adapter packages to TS.
  • Updates the following adapters with a second endpoint for getting an account's on-chain balance
    • amberdata
    • blockchair
    • cryptoapis
  • dxFeed now uses OTC feeds for FTSE and N225, rather than licensed data feeds
  • Migrated to Typescript
    • kaiko
    • marketstack
    • metalsapi
    • nikkei
    • poa-gasprice
    • polygon
    • nomics
    • openexchangerates
    • coinmarketcap
  • synth-index adapter is now a composite adapter. Going forward there is only one instance of synth-index adapter built, one that you configure with the underlying data provider you wish to use.

Removed

  • WTI Outlier detection and IV Outlier detection adapters are now covered in the Outlier detection composite adapter

[0.1.5] - 2021-2-2

  • Cache key generator now ignores 'meta' metadata as default setting

[0.1.4] - 2020-10-30

Added

  • New adapters:
    • linkpool to get ICE futures quotes
    • onchain to get ICE futures quotes
    • lcx to get BTC and ETH prices in USD or EUR

Fixed

  • Local in-memory cache got broken in the last release, and was reinitialized on every request.
  • amberdata adapter wasn't responding for some assets because they don't make cross-rates by default. Cross-rates are now included which enables this adapter to support markets like BNB/USD, not just the actual BNB/USDT.

[0.1.3] - 2020-10-29

Added

  • Caching improvements:
    • Request coalescing support to mitigate the issue of requests for data coming in bursts and missing the cache.
    • Remote cache (Redis/ElastiCache) support, with adapter key grouping, to enable more efficient serverless deployments.
  • Support for composite adapters:
    • composite/proof-of-reserves adapter combines multiple adapters to find total balance in custody for wBTC or renBTC protocols.
  • New adapters:
    • wbtc-address-set to query wBTC custody address set.
    • renvm-address-set to query renVM protocol custody address set.
    • blockchain.com to fetch balances for a set of Bitcoin addresses.
    • blockcypher to fetch balances for a set of Bitcoin addresses.
    • reduce to reduce an array to a result. Different reducers are supported like: sum, product, average, median, min & max.
    • trueusd to query supply and issuance data for TrueUSD.
    • cryptoid to get chain difficulty measurement from different networks.
    • blockchair to get chain difficulty measurement from different networks.
    • bitso to get last 24 hours volume weighted average price (vwap) for multiple markets.
    • cryptomkt to get last transaction price for multiple markets.
    • satoshitango to get last bid price for multiple markets.
    • bitex to get volume weighted average price (vwap) for multiple markets.
    • orchid-bandwidth to get available bandwidth from Chainlink as service provider.
    • genesis-volatility to get implied volatility of an asset.
    • covid-tracker to query COVID-19 statistics.
    • lition to query the price in Euros per MWh for Lition.
    • coinlore to query the Bitcoin market dominance and market capitalization.
    • messari to query the Bitcoin market dominance.

Changed

  • Improved logs.
  • Prettier logs in development environment.

[0.1.2] - 2020-09-18

Changed

  • Replaced alphavantage-sdr with alphachain adapter

[0.1.1] - 2020-09-18

Added

  • CHANGELOG.md (this file), to keep track of changes between releases

Changed

  • Gas adapters (amberdata-gasprice, anyblock-gasprice, etherchain, ethgasstation & poa-gasprice) now do not require speed param on input, but will use a sensible default.

Fixed

  • Kaiko adapter endpoint fix

[0.1.0] - 2020-09-17

Initial external adapter release!