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Oracle Wrapper

The oracle wrapper is a set of smart contracts that gives one a common interface to connect their smart contracts to multiple oracles without changing anything in the code.

Oracles Currently Supported -

  • Band Protocol
  • Chainlink
  • Tellor

List of other supported Oracle Modules - https://github.com/Abhimanyu121/OracleWrapper/tree/main/contracts/modules

Tutorial

Step 1

Deploy the (Oracle Wrapper)[https://github.com/Abhimanyu121/OracleWrapper/blob/main/contracts/OracleWrapper.sol] contract

Step 2

Deploy the modules for the oracles you want to use from the list of modules and add them to the wrapper using the addModule function

Step 3

Add The queries you want to call in your primary smart contracts using addQuery

Step 4

Call the getPrice function from other contracts with the query Id to get the oracle data.

Commands -

npx hardhat help
npx hardhat test
REPORT_GAS=true npx hardhat test
npx hardhat node
npx hardhat run scripts/deploy.ts