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oracle-manipulation

Oracle attack vectors and safe integration patterns for DeFi protocols. Use when integrating Chainlink, Uniswap TWAP, or any price oracle. Covers staleness checks, L2 sequencer downtime, sandwich oracle updates, and fallback strategies.

skills/oracle-manipulation/SKILL.md

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# Oracle Manipulation

## Spot Price Manipulation

Spot prices from DEXs (Uniswap V2 reserves, Curve pool balances) can be manipulated within a single transaction via flash loans.

```solidity
// VULNERABLE: reads instantaneous reserves
function getPrice(address pair) external view returns (uint256) {
    (uint112 reserve0, uint112 reserve1,) = IUniswapV2Pair(pair).getReserves();
    return uint256(reserve1) * 1e18 / uint256(reserve0); // easily manipulated
}
```