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minor fixes and edits

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This commit is contained in:
Samyak Jain 2021-11-20 04:50:26 +05:30
parent 9b6df87fa0
commit 3e059c8366
2 changed files with 16 additions and 22 deletions
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12
contracts/arbitrum/connectors/uniswap-sell-beta/helpers.sol
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@ -65,7 +65,7 @@ contract Helpers {
address tokenA, address tokenA,
address tokenB, address tokenB,
uint24 fee uint24 fee
) public returns (uint160) { ) internal view returns (uint160) {
UniswapV3Pool state = UniswapV3Pool( UniswapV3Pool state = UniswapV3Pool(
getPoolAddress(tokenA, tokenB, fee) getPoolAddress(tokenA, tokenB, fee)
); );
@ -88,7 +88,7 @@ contract Helpers {
uint256 amountIn, uint256 amountIn,
uint256 amountOutMinimum, uint256 amountOutMinimum,
bool zeroForOne bool zeroForOne
) public returns (ISwapRouter.ExactInputSingleParams memory params) { ) internal view returns (ISwapRouter.ExactInputSingleParams memory params) {
params = ISwapRouter.ExactInputSingleParams({ params = ISwapRouter.ExactInputSingleParams({
tokenIn: tokenIn, tokenIn: tokenIn,
tokenOut: tokenOut, tokenOut: tokenOut,
@ -107,21 +107,17 @@ contract Helpers {
}); });
} }
function approveTransfer(address tokenIn, uint256 amountIn) public {
IERC20(tokenIn).safeApprove(address(router), amountIn);
}
function SwapTokens( function SwapTokens(
address tokenIn, address tokenIn,
address tokenOut, address tokenOut,
bool zeroForOne bool zeroForOne
) public returns (address, address) { ) internal pure returns (address, address) {
if (!zeroForOne) return (tokenOut, tokenIn); if (!zeroForOne) return (tokenOut, tokenIn);
else return (tokenIn, tokenOut); else return (tokenIn, tokenOut);
} }
function swapSingleInput(ISwapRouter.ExactInputSingleParams memory params) function swapSingleInput(ISwapRouter.ExactInputSingleParams memory params)
public internal
returns (uint256) returns (uint256)
{ {
return (uint256(router.exactInputSingle(params))); return (uint256(router.exactInputSingle(params)));

26
contracts/arbitrum/connectors/uniswap-sell-beta/main.sol
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@ -2,36 +2,34 @@ pragma solidity ^0.7.6;
pragma abicoder v2; pragma abicoder v2;
import "./helpers.sol"; import "./helpers.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
contract uniswapSellBeta is Helpers { contract uniswapSellBeta is Helpers {
using SafeERC20 for IERC20;
function sell( function sell(
address tokenIn, address tokenIn,
address tokenOut, address tokenOut,
uint24 fee, uint24 fee,
uint256 amountIn, uint256 amountIn,
uint256 amountOutMinimum, uint256 amountOutMinimum
bool zeroForOne
) public payable returns (uint256 amountOut) { ) public payable returns (uint256 amountOut) {
(address tokenA, address tokenB) = SwapTokens( IERC20(tokenIn).safeApprove(address(router), amountIn);
tokenIn,
tokenOut,
zeroForOne
);
approveTransfer(tokenA, amountIn);
amountOut = swapSingleInput( amountOut = swapSingleInput(
getParams( getParams(
tokenA, tokenIn,
tokenB, tokenOut,
msg.sender, address(this),
fee, fee,
amountIn, amountIn,
amountOutMinimum, amountOutMinimum,
zeroForOne tokenOut > tokenIn
) )
); );
} }
} }
contract UniswapSellBetaArbitrum is uniswapSellBeta { contract ConnectV2UniswapSellBeta is uniswapSellBeta {
string public constant name = "UniswapSellBeta"; string public constant name = "Uniswap-Sell-Beta";
} }