NoBey/uniswap-v2
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drop getOutputPrice

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This commit is contained in:
Dan Robinson
2019-09-30 19:49:37 -07:00
parent 346c642604
commit 524d17b282
1 changed files with 0 additions and 24 deletions
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24
contracts/UniswapERC20.sol
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@ -48,15 +48,6 @@ contract UniswapERC20 is ERC20 {
return numerator / denominator;
}
function getOutputPrice(uint256 outputAmount, uint256 inputReserve, uint256 outputReserve) public pure returns (uint256) {
require(inputReserve > 0 && outputReserve > 0);
uint256 numerator = inputReserve.mul(outputAmount).mul(1000);
uint256 denominator = (outputReserve.sub(outputAmount)).mul(997);
return (numerator / denominator).add(1);
}
//TO: DO msg.sender is wrapper
function swapInput(address inputToken, uint256 amountSold, address recipient) public nonReentrant returns (uint256) {
address _tokenA = address(tokenA);
@ -99,21 +90,6 @@ contract UniswapERC20 is ERC20 {
}
function getOutputPrice(address outputToken, uint256 amountBought) public view returns (uint256) {
require(amountBought > 0);
address _tokenA = address(tokenA);
address _tokenB = address(tokenB);
require(outputToken == _tokenA || outputToken == _tokenB);
address inputToken = _tokenA;
if(outputToken == _tokenA) {
inputToken = _tokenB;
}
uint256 inputReserve = IERC20(inputToken).balanceOf(address(this));
uint256 outputReserve = IERC20(outputToken).balanceOf(address(this));
return getOutputPrice(amountBought, inputReserve, outputReserve);
}
function addLiquidity(uint256 amountA, uint256 maxTokenB) public nonReentrant returns (uint256) {
require(amountA > 0);
uint256 _totalSupply = totalSupply;