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add special quotation flow

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This commit is contained in:
andyk 2021-01-21 17:44:48 +03:00
parent 29448c19c1
commit 6cebf50f11
1 changed files with 26 additions and 0 deletions
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26
contracts/adapters/BaseUniswapAdapter.sol
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@ -346,6 +346,18 @@ abstract contract BaseUniswapAdapter is FlashLoanReceiverBase, IBaseUniswapAdapt
// Subtract flash loan fee
uint256 finalAmountIn = amountIn.sub(amountIn.mul(FLASHLOAN_PREMIUM_TOTAL).div(10000));
if (reserveIn == reserveOut) {
uint256 reserveDecimals = _getDecimals(reserveIn);
return
AmountCalc(
finalAmountIn,
finalAmountIn.mul(10**18).div(amountIn),
_calcUsdValue(reserveIn, amountIn, reserveDecimals),
_calcUsdValue(reserveIn, finalAmountIn, reserveDecimals),
[reserveIn]
);
}
address[] memory simplePath = new address[](2);
simplePath[0] = reserveIn;
simplePath[1] = reserveOut;
@ -420,6 +432,20 @@ abstract contract BaseUniswapAdapter is FlashLoanReceiverBase, IBaseUniswapAdapt
address reserveOut,
uint256 amountOut
) internal view returns (AmountCalc memory) {
if (reserveIn == reserveOut) {
// Add flash loan fee
uint256 amountIn = amountOut.add(amountOut.mul(FLASHLOAN_PREMIUM_TOTAL).div(10000));
uint256 reserveDecimals = _getDecimals(reserveIn);
return
AmountCalc(
amountIn,
amountOut.mul(10**18).div(amountIn),
_calcUsdValue(reserveIn, amountIn, reserveDecimals),
_calcUsdValue(reserveIn, amountOut, reserveDecimals),
[reserveIn]
);
}
(uint256[] memory amounts, address[] memory path) =
_getAmountsInAndPath(reserveIn, reserveOut, amountOut);