Instadapp/dsa-connectors-old
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Fixed minor bugs

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This commit is contained in:
Thrilok Kumar 2020-07-06 15:29:35 +05:30
parent cbc7a2e782
commit 489fc8b69a
1 changed files with 17 additions and 17 deletions
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34
contracts/connectors/uniswap.sol
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@ -5,7 +5,7 @@ import { TokenInterface , MemoryInterface, EventInterface} from "../common/inter
import { Stores } from "../common/stores.sol";
import { DSMath } from "../common/math.sol";
interface IUniswapV2Router01 {
interface IUniswapV2Router02 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
@ -70,7 +70,7 @@ contract UniswapHelpers is Stores, DSMath {
}
/**
* @dev Return uniswap v2 router Address
* @dev Return uniswap v2 router02 Address
*/
function getUniswapAddr() internal pure returns (address) {
return 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
@ -105,7 +105,7 @@ contract UniswapHelpers is Stores, DSMath {
}
function getExpectedBuyAmt(
IUniswapV2Router01 router,
IUniswapV2Router02 router,
address[] memory paths,
uint sellAmt
) internal view returns(uint buyAmt) {
@ -117,19 +117,19 @@ contract UniswapHelpers is Stores, DSMath {
}
function getExpectedSellAmt(
IUniswapV2Router01 router,
IUniswapV2Router02 router,
address[] memory paths,
uint buyAmt
) internal view returns(uint sellAmt) {
uint[] memory amts = router.getAmountsOut(
uint[] memory amts = router.getAmountsIn(
buyAmt,
paths
);
sellAmt = amts[1];
sellAmt = amts[0];
}
function checkPair(
IUniswapV2Router01 router,
IUniswapV2Router02 router,
address[] memory paths
) internal view {
address pair = IUniswapV2Factory(router.factory()).getPair(paths[0], paths[1]);
@ -137,8 +137,8 @@ contract UniswapHelpers is Stores, DSMath {
}
function getPaths(
address sellAddr,
address buyAddr
address buyAddr,
address sellAddr
) internal pure returns(address[] memory paths) {
paths = new address[](2);
paths[0] = address(sellAddr);
@ -174,7 +174,7 @@ contract LiquidityHelpers is UniswapHelpers {
uint slippage,
uint deadline
) internal returns (uint _amtA, uint _amtB, uint _liquidity) {
IUniswapV2Router01 router = IUniswapV2Router01(getUniswapAddr());
IUniswapV2Router02 router = IUniswapV2Router02(getUniswapAddr());
(TokenInterface _tokenA, TokenInterface _tokenB) = changeEthAddress(tokenA, tokenB);
_amtA = _amt == uint(-1) ? getTokenBalace(tokenA) : _amt;
@ -206,7 +206,7 @@ contract LiquidityHelpers is UniswapHelpers {
uint unitAmtB,
uint deadline
) internal returns (uint _amtA, uint _amtB, uint _uniAmt) {
IUniswapV2Router01 router = IUniswapV2Router01(getUniswapAddr());
IUniswapV2Router02 router = IUniswapV2Router02(getUniswapAddr());
(TokenInterface _tokenA, TokenInterface _tokenB) = changeEthAddress(tokenA, tokenB);
address exchangeAddr = IUniswapV2Factory(router.factory()).getPair(address(_tokenA), address(_tokenB));
require(exchangeAddr != address(0), "pair-not-found.");
@ -408,10 +408,10 @@ contract UniswapResolver is UniswapLiquidity {
(TokenInterface _buyAddr, TokenInterface _sellAddr) = changeEthAddress(buyAddr, sellAddr);
address[] memory paths = getPaths(address(_buyAddr), address(_sellAddr));
uint _buyAmt18 = convertTo18(_buyAddr.decimals(), _buyAmt);
uint _slippageAmt = convert18ToDec(_sellAddr.decimals(), wmul(unitAmt, _buyAmt18));
uint _slippageAmt = convert18ToDec(_sellAddr.decimals(),
wmul(unitAmt, convertTo18(_buyAddr.decimals(), _buyAmt)));
IUniswapV2Router01 router = IUniswapV2Router01(getUniswapAddr());
IUniswapV2Router02 router = IUniswapV2Router02(getUniswapAddr());
checkPair(router, paths);
uint _expectedAmt = getExpectedSellAmt(router, paths, _buyAmt);
@ -466,10 +466,10 @@ contract UniswapResolver is UniswapLiquidity {
_sellAmt = sellAddr == getEthAddr() ? address(this).balance : _sellAddr.balanceOf(address(this));
}
uint _sellAmt18 = convertTo18(_sellAddr.decimals(), _sellAmt);
uint _slippageAmt = convert18ToDec(_buyAddr.decimals(), wmul(unitAmt, _sellAmt18));
uint _slippageAmt = convert18ToDec(_buyAddr.decimals(),
wmul(unitAmt, convertTo18(_sellAddr.decimals(), _sellAmt)));
IUniswapV2Router01 router = IUniswapV2Router01(getUniswapAddr());
IUniswapV2Router02 router = IUniswapV2Router02(getUniswapAddr());
checkPair(router, paths);
uint _expectedAmt = getExpectedBuyAmt(router, paths, _sellAmt);