Using deprecated Chainlink function latestAnswer() in PriceOracleImplementation.sol

Lines of code Vulnerability details Impact In the function getUnderlyingPrice, Chainlink's latestAnswer is used and this function is deprecated and should not be used as this function returns 0 when there is no data rather than giving out error. Precedent of this issue can be found in...

Use latestRoundData instead latestAnswer of Chainlink aggregators

Lines of code Vulnerability details Impact latestAnswer function is deprecated, which doesn’t return an error but returns 0, and It is not able to check if the price is stale. Proof of Concept In the getUnderlyingPrice function of PriceOracleImplementation.sol, it uses...

Chainlink latestAnswer has been deprecated

Lines of code PriceOracleImplementation.solL29-L31 Vulnerability details Impact latestAnswer function is deprecated. This function does not revert if no answer has been reached but returns zero. There is no check for stale price and round completeness. Price can be stale and lead to wrong return...

Using deprecated Chainlink function latestAnswer

Lines of code Vulnerability details Impact According to Chainlink's documentation, the latestAnswer function is deprecated. Proof of Concept This function does not error if no answer has been reached but returns 0. Besides, the latestAnswer is reported with 18 decimals for crypto quotes but 8...

Use of ChainlinkFeed latestAnswer in PriceOracleImplementation is deprecated and not sufficiently validated

Lines of code Vulnerability details Impact PriceOracleImplementation.sol uses the latestAnswer function on the mainnet deployed ChainlinkFeed for the USDC oracle price. However, this function is deprecated as outlined in the comments of the deployed Chainlink contract see POC below. Notably,...