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Chainlink Anchor Composite Adapter

This composite adapter fetches the price of a given token from the Anchor protocol.

Configuration

The adapter takes the following environment variables:

Required? Name Description Options Defaults to
✅ ETHEREUM_RPC_URL The URL to Ethereum RPC node
ANCHOR_VAULT_CONTRACT_ADDRESS The address of the Anchor Vault contract Address can be found here 0xA2F987A546D4CD1c607Ee8141276876C26b72Bdf
TERRA_BLUNA_HUB_CONTRACT_ADDRESS The address of bLuna contract in Terra Address can be found here terra1mtwph2juhj0rvjz7dy92gvl6xvukaxu8rfv8ts
STETH_POOL_CONTRACT_ADDRESS The address of stEth contract Address can be found by finding the stETH/ETH pool in Curve 0xdc24316b9ae028f1497c275eb9192a3ea0f67022
LUNA_TERRA_FEED_ADDRESS The Terra address of LUNA feed Address can be found by here https://docs.chain.link/docs/terra/data-feeds-terra/ terra1gfy9nxj2xwd4vcupzfelk34u3qjkvp3vcjveg6
ETH_TERRA_FEED_ADDRESS The Terra address of ETH feed Address can be found by here https://docs.chain.link/docs/terra/data-feeds-terra/ terra1a39jndcuh64ef2qzt5w8mh46m5ysc34a9qd2e5
FEED_DECIMALS The number of decimals the feed should return for the price 8

Additional environment variables must be set according to the Terra View Function adapter. This composite adapter executes the code from the Token Allocation composite adapter. As such the same configuration and input parameters apply to this adapter. See ../../sources/terra-view-function/README.md for more details.

Required? Name Description Options Defaults to
✅ COLUMBUS_5_LCD_URL The URL to a Terra columbus-5 full node to query on-chain mainnet data. At least 1 of 3 LCD_URLs must be provided. string
✅ BOMBAY_12_LCD_URL The URL to a Terra bombay-12 full node to query on-chain testnet data. At least 1 of 3 LCD_URLs must be provided. string
✅ LOCALTERRA_LCD_URL The URL to a locally running Terra full node to query on-chain data. At least 1 of 3 LCD_URLs must be provided. string
DEFAULT_CHAIN_ID The default chainId value to use as an input parameter string columbus-5

Running

See the Composite Adapter README for more information on how to get started.

Price Endpoint

Input Params

Required? Name Description Options Defaults to
✅ base, from, or coin The symbol of the currency to query BEth, BLuna
✅ quote, to, or market The symbol of the currency to convert to ETH, USD
quoteDecimals The number of decimals of the to coin. Can be left blank if to is USD 18
source The data provider to query. This is required if not specified in config.

Sample Input

{
  "id": "1",
  "data": {
    "from": "BETH",
    "to": "USD"
  }
}

Sample Output

{
  "jobRunID": "1",
  "result": "2898433986830163904275",
  "maxAge": 30000,
  "statusCode": 200,
  "data": {
    "result": "2898433986830163904275"
  }
}

BLuna Additional params

N/A

Sample Input

{
  "id": "1",
  "data": {
    "from": "BLuna",
    "to": "USD"
  }
}

Sample Output

{
  "jobRunID": "1",
  "result": "89070558247315713497",
  "statusCode": 200,
  "data": {
    "result": "89070558247315713497"
  }
}