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swap connectors for uniswapV3 mainnet

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This commit is contained in:
Richa-iitr 2022-04-28 22:15:07 +05:30
parent 3cd689a12b
commit b12e5231de
3 changed files with 126 additions and 11 deletions
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18
contracts/mainnet/connectors/uniswap/v3/events.sol
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@ -32,4 +32,22 @@ contract Events {
);
event LogBurnPosition(uint256 tokenId);
event LogBuy(
address indexed buyToken,
address indexed sellToken,
uint256 buyAmt,
uint256 sellAmt,
uint256 getId,
uint256 setId
);
event LogSell(
address indexed buyToken,
address indexed sellToken,
uint256 buyAmt,
uint256 sellAmt,
uint256 getId,
uint256 setId
);
}

21
contracts/mainnet/connectors/uniswap/v3/interface.sol
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@ -36,6 +36,16 @@ interface ISwapRouter is IUniswapV3SwapCallback {
uint256 amountOutMinimum;
uint160 sqrtPriceLimitX96;
}
struct ExactOutputSingleParams {
address tokenIn;
address tokenOut;
uint24 fee;
address recipient;
uint256 deadline;
uint256 amountOut;
uint256 amountInMaximum;
uint160 sqrtPriceLimitX96;
}
/// @notice Swaps `amountIn` of one token for as much as possible of another token
/// @param params The parameters necessary for the swap, encoded as `ExactInputSingleParams` in calldata
@ -61,17 +71,6 @@ interface ISwapRouter is IUniswapV3SwapCallback {
payable
returns (uint256 amountOut);
struct ExactOutputSingleParams {
address tokenIn;
address tokenOut;
uint24 fee;
address recipient;
uint256 deadline;
uint256 amountOut;
uint256 amountInMaximum;
uint160 sqrtPriceLimitX96;
}
/// @notice Swaps as little as possible of one token for `amountOut` of another token
/// @param params The parameters necessary for the swap, encoded as `ExactOutputSingleParams` in calldata
/// @return amountIn The amount of the input token

98
contracts/mainnet/connectors/uniswap/v3/main.sol
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@ -9,6 +9,7 @@ pragma abicoder v2;
import {TokenInterface} from "../../../common/interfaces.sol";
import {Helpers} from "./helpers.sol";
import "./interface.sol";
import {Events} from "./events.sol";
abstract contract UniswapResolver is Helpers, Events {
@ -204,6 +205,103 @@ abstract contract UniswapResolver is Helpers, Events {
_eventName = "LogBurnPosition(uint256)";
_eventParam = abi.encode(tokenId);
}
function buy(
address buyAddr,
address sellAddr,
uint24 fee,
uint256 buyAmt,
uint256 unitAmt,
uint256 getId,
uint256 setId
) external payable returns (string memory _eventName, bytes memory _eventParam) {
uint _buyAmt = getUint(getId, buyAmt);
(TokenInterface _buyAddr, TokenInterface _sellAddr) = changeEthAddress(buyAddr, sellAddr);
// uint _slippageAmt = convert18ToDec(_sellAddr.decimals(),
// wmul(unitAmt, convertTo18(_buyAddr.decimals(), _buyAmt))
// );
bool isEth = address(_sellAddr) == wethAddr;
convertEthToWeth(isEth, _sellAddr, uint256(-1));
approve(_sellAddr, address(swapRouter), uint256(-1));
ISwapRouter.ExactOutputSingleParams memory params;
{
params = ISwapRouter.ExactOutputSingleParams({
tokenIn: sellAddr,
tokenOut: buyAddr,
fee: fee,
recipient: address(this),
deadline: block.timestamp + 1,
amountOut: _buyAmt,
amountInMaximum: uint256(-1),
sqrtPriceLimitX96: 0
});
}
uint _sellAmt = swapRouter.exactOutputSingle(params);
isEth = address(_buyAddr) == wethAddr;
convertWethToEth(isEth, _buyAddr, _buyAmt);
setUint(setId, _sellAmt);
_eventName = "LogBuy(address,address,uint256,uint256,uint256,uint256)";
_eventParam = abi.encode(buyAddr, sellAddr, _buyAmt, _sellAmt, getId, setId);
}
function sell(
address buyAddr,
address sellAddr,
uint24 fee,
uint256 sellAmt,
uint256 unitAmt,
uint256 getId,
uint256 setId
) external payable returns (string memory _eventName, bytes memory _eventParam) {
uint _sellAmt = getUint(getId, sellAmt);
(TokenInterface _buyAddr, TokenInterface _sellAddr) = changeEthAddress(buyAddr, sellAddr);
if (_sellAmt == uint(-1)) {
_sellAmt = sellAddr == ethAddr ?
address(this).balance :
_sellAddr.balanceOf(address(this));
}
// uint _slippageAmt = convert18ToDec(_buyAddr.decimals(),
// wmul(unitAmt, convertTo18(_sellAddr.decimals(), _sellAmt))
// );
// require(_slippageAmt <= _expectedAmt, "Too much slippage");
bool isEth = address(_sellAddr) == wethAddr;
convertEthToWeth(isEth, _sellAddr, _sellAmt);
approve(_sellAddr, address(swapRouter), _sellAmt);
ISwapRouter.ExactInputSingleParams memory params;
{
params = ISwapRouter.ExactInputSingleParams({
tokenIn: sellAddr,
tokenOut: buyAddr,
fee: fee,
recipient: address(this),
deadline: block.timestamp + 1,
amountIn: _sellAmt,
amountOutMinimum: 0,
sqrtPriceLimitX96: 0
});
}
uint _buyAmt = swapRouter.exactInputSingle(params);
isEth = address(_buyAddr) == wethAddr;
convertWethToEth(isEth, _buyAddr, _buyAmt);
setUint(setId, _buyAmt);
_eventName = "LogSell(address,address,uint256,uint256,uint256,uint256)";
_eventParam = abi.encode(buyAddr, sellAddr, _buyAmt, _sellAmt, getId, setId);
}
}
contract ConnectV2UniswapV3 is UniswapResolver {