Cross Chain Nft oracle #424
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jfzhou5
reviewed
Nov 9, 2023
contracts/misc/NFTFloorOracle.sol
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| /// @notice Allows anyone to initial price to make estimate gas easy on provider chain | ||
| function initialPrice(address[] calldata _asset) external { | ||
| uint256 assetLength = _asset.length; | ||
| for (uint256 index = 0; index < assetLength; index++) { | ||
| _initialPrice(_asset[index]); | ||
| } | ||
| if (left < j) _quickSort(arr, left, j); | ||
| if (i < right) _quickSort(arr, i, right); | ||
| } | ||
|
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| modifier whenNotPaused(address _asset) { | ||
| function _initialPrice(address _asset) internal { | ||
| PriceInformation memory priceInfo = assetPriceMap[_asset]; | ||
| require( | ||
| !assetFeederMap[_asset].paused, | ||
| "NFTOracle: nft price feed paused" | ||
| priceInfo.updatedTimestamp == 0 && priceInfo.twap == 0, | ||
| "NFTOracle: asset price is initialized" | ||
| ); | ||
| _; | ||
| priceInfo.twap == 1; | ||
| } |
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what's the purpose of initialPrice function? Just get the gas cost of feeding price?
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Security Checklist
Make sure to think about each of these exploits in this PR.