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small change in Swap read

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This commit is contained in:
Samyak Jain 2019-11-19 00:01:22 +05:30
parent cc2fd9baa0
commit f3830471bf
1 changed files with 3 additions and 2 deletions
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contracts/ProxyLogics/MCD/InstaMcdMigrate.sol
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@ -272,17 +272,18 @@ contract MKRSwapper is LiquidityResolver {
function getBestMkrSwap(address srcTknAddr, uint destMkrAmt) public view returns(uint bestEx, uint srcAmt) { function getBestMkrSwap(address srcTknAddr, uint destMkrAmt) public view returns(uint bestEx, uint srcAmt) {
uint oasisPrice = getOasisSwap(srcTknAddr, destMkrAmt); uint oasisPrice = getOasisSwap(srcTknAddr, destMkrAmt);
uint uniswapPrice = getUniswapSwap(srcTknAddr, destMkrAmt); uint uniswapPrice = getUniswapSwap(srcTknAddr, destMkrAmt);
require(oasisPrice != 0 && uniswapPrice != 0, "swap price 0");
srcAmt = oasisPrice < uniswapPrice ? oasisPrice : uniswapPrice; srcAmt = oasisPrice < uniswapPrice ? oasisPrice : uniswapPrice;
bestEx = oasisPrice < uniswapPrice ? 0 : 1; // if 0 then use Oasis for Swap, if 1 then use Uniswap bestEx = oasisPrice < uniswapPrice ? 0 : 1; // if 0 then use Oasis for Swap, if 1 then use Uniswap
} }
function getOasisSwap(address tokenAddr, uint destMkrAmt) internal view returns(uint srcAmt) { function getOasisSwap(address tokenAddr, uint destMkrAmt) public view returns(uint srcAmt) {
TokenInterface mkr = TubInterface(getSaiTubAddress()).gov(); TokenInterface mkr = TubInterface(getSaiTubAddress()).gov();
address srcTknAddr = tokenAddr == getETHAddress() ? getWETHAddress() : tokenAddr; address srcTknAddr = tokenAddr == getETHAddress() ? getWETHAddress() : tokenAddr;
srcAmt = OtcInterface(getOtcAddress()).getPayAmount(srcTknAddr, address(mkr), destMkrAmt); srcAmt = OtcInterface(getOtcAddress()).getPayAmount(srcTknAddr, address(mkr), destMkrAmt);
} }
function getUniswapSwap(address srcTknAddr, uint destMkrAmt) internal view returns(uint srcAmt) { function getUniswapSwap(address srcTknAddr, uint destMkrAmt) public view returns(uint srcAmt) {
UniswapExchange mkrEx = UniswapExchange(getUniswapMKRExchange()); UniswapExchange mkrEx = UniswapExchange(getUniswapMKRExchange());
if (srcTknAddr == getETHAddress()) { if (srcTknAddr == getETHAddress()) {
srcAmt = mkrEx.getEthToTokenOutputPrice(destMkrAmt); srcAmt = mkrEx.getEthToTokenOutputPrice(destMkrAmt);