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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
View File

@ -65,7 +65,7 @@ contract Helpers {
address tokenA,
address tokenB,
uint24 fee
) public returns (uint160) {
) internal view returns (uint160) {
UniswapV3Pool state = UniswapV3Pool(
getPoolAddress(tokenA, tokenB, fee)
);
@ -88,7 +88,7 @@ contract Helpers {
uint256 amountIn,
uint256 amountOutMinimum,
bool zeroForOne
) public returns (ISwapRouter.ExactInputSingleParams memory params) {
) internal view returns (ISwapRouter.ExactInputSingleParams memory params) {
params = ISwapRouter.ExactInputSingleParams({
tokenIn: tokenIn,
tokenOut: tokenOut,
@ -107,21 +107,17 @@ contract Helpers {
});
}
function approveTransfer(address tokenIn, uint256 amountIn) public {
IERC20(tokenIn).safeApprove(address(router), amountIn);
}
function SwapTokens(
address tokenIn,
address tokenOut,
bool zeroForOne
) public returns (address, address) {
) internal pure returns (address, address) {
if (!zeroForOne) return (tokenOut, tokenIn);
else return (tokenIn, tokenOut);
}
function swapSingleInput(ISwapRouter.ExactInputSingleParams memory params)
public
internal
returns (uint256)
{
return (uint256(router.exactInputSingle(params)));

26
contracts/arbitrum/connectors/uniswap-sell-beta/main.sol
View File

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