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feat(oracle): add price bounds #10

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Dec 4, 2023
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feat(oracle): add price bounds #10

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8 changes: 4 additions & 4 deletions script/DeployOracles.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ struct OracleConfig {
address baseFeed1;
address baseFeed2;
address collateralToken;
uint256 expectedPrice;
address loanToken;
uint256 maxPrice;
uint256 minPrice;
string name;
address quoteFeed1;
address quoteFeed2;
Expand Down Expand Up @@ -67,9 +68,8 @@ contract DeployOracle is ConfiguredScript {
console2.log(" Deployed ChainlinkOracle for market [%s] at: %s", oracleConfig.name, address(oracle));

uint256 price = oracle.price();
uint256 priceRatio = price * 1 ether / oracleConfig.expectedPrice;
require(priceRatio <= 10 ether, string.concat("price too high: ", vm.toString(price)));
require(priceRatio >= 0.1 ether, string.concat("price too low: ", vm.toString(price)));
require(price <= oracleConfig.maxPrice, string.concat("price too high: ", vm.toString(price)));
require(price >= oracleConfig.minPrice, string.concat("price too low: ", vm.toString(price)));
}
}
}
9 changes: 6 additions & 3 deletions script/config/oracles/ethereum.json
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Expand Up @@ -8,7 +8,8 @@
"quoteFeed1": "0x0000000000000000000000000000000000000000",
"quoteFeed2": "0x0000000000000000000000000000000000000000",
"vaultConversionSample": 1,
"expectedPrice": 1000000000000000000000000000000000000
"minPrice": 100000000000000000000000000000000000,
"maxPrice": 1500000000000000000000000000000000000
},
{
"name": "WETH (cbETH)",
Expand All @@ -19,7 +20,8 @@
"quoteFeed1": "0x0000000000000000000000000000000000000000",
"quoteFeed2": "0x0000000000000000000000000000000000000000",
"vaultConversionSample": 1,
"expectedPrice": 1000000000000000000000000000000000000
"minPrice": 100000000000000000000000000000000000,
"maxPrice": 1500000000000000000000000000000000000
},
{
"name": "USDC (sDAI)",
Expand All @@ -30,6 +32,7 @@
"quoteFeed1": "0x8fFfFfd4AfB6115b954Bd326cbe7B4BA576818f6",
"quoteFeed2": "0x0000000000000000000000000000000000000000",
"vaultConversionSample": 1000000000000000000,
"expectedPrice": 1000000000000000000000000
"minPrice": 990000000000000000000000,
"maxPrice": 1500000000000000000000000
}
]