DeFi Protocol Integration Skill

DeFi Protocol Integration Skill

Expert integration with major DeFi protocols for building composable financial applications.

Capabilities

• Uniswap Integration: V2/V3 swaps, liquidity, positions
• Aave/Compound: Supply, borrow, liquidations
• Chainlink Oracles: Price feeds, VRF, automation
• Curve Finance: Pool interactions, gauges
• Balancer: Weighted pools, joins/exits
• Flash Loans: Aave, dYdX flash loan execution
• MEV Protection: Flashbots integration

Uniswap Integration

V2 Swaps

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

contract UniswapV2Swap {
    IUniswapV2Router02 public immutable router;

    constructor(address _router) {
        router = IUniswapV2Router02(_router);
    }

    function swapExactTokensForTokens(
        address tokenIn,
        address tokenOut,
        uint256 amountIn,
        uint256 amountOutMin,
        address to
    ) external returns (uint256 amountOut) {
        IERC20(tokenIn).transferFrom(msg.sender, address(this), amountIn);