Cyfrin 2023-07-foundry-defi-stablecoin issues

Cyfrin / 2023-07-foundry-defi-stablecoin

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issues

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Hardcoded Timeout/heartbeat

#1154 joedakwa closed 10 months ago
1
Hardcoded timeout/heartbeat value

#1153 joedakwa closed 10 months ago
1
No limit on the amount of allowed feeds can lock funds

#1152 codehawks-bot opened 11 months ago
0
Block stuffing the chainlink heartbeat transactions for a token will stop any liquidations for users with such collateral on chains with cheap gas

#1151 codehawks-bot closed 11 months ago
0
Pausable collaterals

#1150 codehawks-bot closed 11 months ago
1
burnDSC - Optimization/Informational

#1149 codehawks-bot opened 11 months ago
0
Deploying on L2 will not look at sequencer feeds

#1148 codehawks-bot opened 11 months ago
0
Fee on transfer collaterals

#1147 codehawks-bot opened 11 months ago
0
Rounding error vulnerability in liquidate() when calculating bonusCollateral value.

#1146 codehawks-bot opened 11 months ago
0
Admin can mint unlimited tokens before ownership transfer

#1145 codehawks-bot closed 11 months ago
1
Due to wrong scaling, the returned-value (price) from the DSCEngine#`getUsdValue()` would be `1e4` times larger than the actual value

#1144 codehawks-bot closed 11 months ago
1
NatSpec `@return` argument is missing

#1143 codehawks-bot opened 11 months ago
0
Custom error has no parameters

#1142 codehawks-bot closed 11 months ago
1
Frontrunning Vulnerability in liquidate Function

#1141 codehawks-bot closed 11 months ago
1
isAllowedToken modifier should be inline with code to save gas

#1140 codehawks-bot closed 11 months ago
1
`++i`/`i++` should be `unchecked{++i}`/`unchecked{i++}` when it is not possible for them to overflow, as is the case when used in `for`- and `while`-loops

#1139 codehawks-bot opened 11 months ago
0
Use safeTransfer and safeTransferFrom

#1138 codehawks-bot closed 10 months ago
1
Reduce gas usage by moving to Solidity 0.8.19 or later

#1137 codehawks-bot closed 11 months ago
1
Constants should be defined rather than using magic numbers

#1136 codehawks-bot opened 11 months ago
0
Can return from the `getUsdValue()` method if amount is 0

#1135 codehawks-bot closed 11 months ago
1
The `nonReentrant` `modifier` should occur before all other modifiers

#1134 codehawks-bot opened 11 months ago
0
Use assembly to check for `address(0)`

#1133 codehawks-bot opened 11 months ago
0
Can save gas we by changing less or equal to just equal

#1132 codehawks-bot opened 11 months ago
0
safetransferFrom

#1131 codehawks-bot closed 10 months ago
1
Unaccounted Transfer Fees in depositCollateral Function

#1130 codehawks-bot opened 11 months ago
0
Functions not used internally could be marked external

#1129 codehawks-bot closed 11 months ago
1
Lack of DSC Mint Check in redeemCollateral Function

#1128 codehawks-bot closed 11 months ago
0
Constants in comparisons should appear on the left side

#1127 codehawks-bot opened 11 months ago
0
Use == for uints check instead of <= 0

#1126 codehawks-bot opened 11 months ago
0
Gas optimization opportunity for the `for loop` in getAccountCollateralValue()

#1125 codehawks-bot opened 11 months ago
0
Unnecessary public visibility in `getTimeout()`

#1124 codehawks-bot opened 11 months ago
0
If a token's oracle goes down or price falls to zero, liquidations will be frozen

#1123 codehawks-bot closed 11 months ago
1
Unchangeable Oracle Address Problem

#1122 codehawks-bot closed 11 months ago
0
Usage of floating pragma statement

#1121 codehawks-bot opened 11 months ago
0
Use unchecked on iterator for gas savings

#1120 codehawks-bot opened 11 months ago
0
Rounding error vulnerability, which will cause getUsdValue() to be zero, which will affect/distort the balance of getAccountCollateralValue()'s return value totalCollateralValueInUsd.

#1119 codehawks-bot closed 11 months ago
0
"Collateral Withdrawal Bug in DSCEngine Contract"

#1118 codehawks-bot closed 11 months ago
1
No check if Arbitrum L2 sequencer is down in Chainlink feeds

#1117 codehawks-bot opened 11 months ago
0
Unnecessary balance and address checks in `burn()` and `mint()`

#1116 codehawks-bot closed 11 months ago
1
Redundant healthy position check

#1115 codehawks-bot opened 11 months ago
0
Owner can mint without restriction

#1114 codehawks-bot closed 11 months ago
1
Decimal Assumption Vulnerability in `getUsdValue` Function

#1113 codehawks-bot opened 11 months ago
0
Contracts are vulnerable to fee-on-transfer-token-related accounting issues

#1112 codehawks-bot opened 11 months ago
0
Lack of Functionality to Add New Collateral Tokens

#1111 codehawks-bot closed 11 months ago
1
Potential for price oracle manipulation

#1110 codehawks-bot opened 11 months ago
0
Possible break of the whole protocol

#1109 codehawks-bot opened 11 months ago
0
collateral and debt to cover not validated

#1108 codehawks-bot opened 11 months ago
0
Price Volatility Vulnerability in liquidate Function

#1107 codehawks-bot closed 11 months ago
1
Fee-on-transfer tokens draining

#1106 codehawks-bot opened 11 months ago
0
Lack of event emissions for some operations

#1105 codehawks-bot closed 11 months ago
1