NoBey/uniswap-v2
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switch to use currentOutputReserve

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This commit is contained in:
Dan Robinson
2019-10-01 15:52:32 -07:00
parent 04b994380d
commit a46b6630a7
1 changed files with 6 additions and 6 deletions
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12
contracts/UniswapERC20.sol
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@ -61,11 +61,11 @@ contract UniswapERC20 is ERC20 {
Reserves memory _reserves = reserves;
uint256 newInputReserve = IERC20(_tokenA).balanceOf(address(this));
uint256 oldInputReserve = uint256(_reserves.reserveA);
uint256 oldOutputReserve = uint256(_reserves.reserveB);
uint256 currentOutputReserve = IERC20(_tokenB).balanceOf(address(this));
uint256 amountSold = newInputReserve - oldInputReserve;
uint256 amountBought = getInputPrice(amountSold, oldInputReserve, oldOutputReserve);
uint256 amountBought = getInputPrice(amountSold, oldInputReserve, currentOutputReserve);
require(IERC20(_tokenB).transfer(recipient, amountBought), "TRANSFER_FAILED");
uint256 newOutputReserve = IERC20(_tokenB).balanceOf(address(this));
uint256 newOutputReserve = currentOutputReserve - amountBought;
reserves = Reserves({
reserveA: uint128(newInputReserve),
reserveB: uint128(newOutputReserve)
@ -81,11 +81,11 @@ contract UniswapERC20 is ERC20 {
Reserves memory _reserves = reserves;
uint256 newInputReserve = IERC20(_tokenB).balanceOf(address(this));
uint256 oldInputReserve = uint256(_reserves.reserveB);
uint256 oldOutputReserve = uint256(_reserves.reserveA);
uint256 currentOutputReserve = IERC20(_tokenA).balanceOf(address(this));
uint256 amountSold = newInputReserve - oldInputReserve;
uint256 amountBought = getInputPrice(amountSold, oldInputReserve, oldOutputReserve);
uint256 amountBought = getInputPrice(amountSold, oldInputReserve, currentOutputReserve);
require(IERC20(_tokenA).transfer(recipient, amountBought), "TRANSFER_FAILED");
uint256 newOutputReserve = IERC20(_tokenA).balanceOf(address(this));
uint256 newOutputReserve = currentOutputReserve - amountBought;
reserves = Reserves({
reserveA: uint128(newOutputReserve),
reserveB: uint128(newInputReserve)