Instadapp/smart-contract
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user -> msg.sender

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This commit is contained in:
Samyak 2019-03-21 23:26:40 +05:30
parent bedba4fce1
commit 5b2ae84dab
1 changed files with 10 additions and 12 deletions
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22
contracts/ProxyLogics/uniswap.sol
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@ -167,9 +167,8 @@ contract Trade is Registry {
) public payable returns (uint) {
address eth = getAddress("eth");
address user = msg.sender;
uint ethQty = _getToken(
user,
msg.sender,
src,
srcAmt,
eth
@ -177,16 +176,16 @@ contract Trade is Registry {
if (src == eth) {
UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(dest));
uint tokensBought = exchangeContract.ethToTokenTransferInput.value(ethQty)(minDestAmt, deadline, user);
uint tokensBought = exchangeContract.ethToTokenTransferInput.value(ethQty)(minDestAmt, deadline, msg.sender);
return tokensBought;
} else if (dest == eth) {
UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(src));
uint ethBought = exchangeContract.tokenToEthTransferInput(srcAmt, minDestAmt, deadline, user);
uint ethBought = exchangeContract.tokenToEthTransferInput(srcAmt, minDestAmt, deadline, msg.sender);
return ethBought;
} else {
UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(src));
uint ethBought = exchangeContract.getTokenToEthInputPrice(srcAmt);
uint tokensBought = exchangeContract.tokenToTokenTransferInput(srcAmt, minDestAmt, uint(0), deadline, user, dest);
uint tokensBought = exchangeContract.tokenToTokenTransferInput(srcAmt, minDestAmt, uint(0), deadline, msg.sender, dest);
return tokensBought;
}
}
@ -209,9 +208,8 @@ contract Trade is Registry {
) public payable returns (uint) {
address eth = getAddress("eth");
address user = msg.sender;
uint ethQty = _getToken(
user,
msg.sender,
src,
maxSrcAmt,
eth
@ -219,7 +217,7 @@ contract Trade is Registry {
if (src == eth) {
UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(dest));
uint ethSold = exchangeContract.ethToTokenTransferInput.value(ethQty)(destAmt, deadline, user);
uint ethSold = exchangeContract.ethToTokenTransferInput.value(ethQty)(destAmt, deadline, msg.sender);
if (ethSold < ethQty) {
uint srcToReturn = ethQty - ethSold;
msg.sender.transfer(srcToReturn);
@ -227,22 +225,22 @@ contract Trade is Registry {
return ethSold;
} else if (dest == eth) {
UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(src));
uint tokensSold = exchangeContract.tokenToEthTransferInput(destAmt, maxSrcAmt, deadline, user);
uint tokensSold = exchangeContract.tokenToEthTransferInput(destAmt, maxSrcAmt, deadline, msg.sender);
if (tokensSold < maxSrcAmt) {
IERC20 srcTkn = IERC20(src);
uint srcToReturn = maxSrcAmt - tokensSold;
srcTkn.transfer(user, srcToReturn);
srcTkn.transfer(msg.sender, srcToReturn);
}
return tokensSold;
} else {
UniswapExchange exchangeContractSrc = UniswapExchange(_getExchangeAddress(src));
UniswapExchange exchangeContractdest = UniswapExchange(_getExchangeAddress(dest));
uint ethBought = exchangeContractdest.getTokenToEthInputPrice(destAmt);
uint tokensSold = exchangeContractSrc.tokenToTokenTransferOutput(destAmt, maxSrcAmt, uint(0-1), deadline, user, dest);
uint tokensSold = exchangeContractSrc.tokenToTokenTransferOutput(destAmt, maxSrcAmt, uint(0-1), deadline, msg.sender, dest);
if (tokensSold < maxSrcAmt) {
IERC20 srcTkn = IERC20(src);
uint srcToReturn = maxSrcAmt - tokensSold;
srcTkn.transfer(user, srcToReturn);
srcTkn.transfer(msg.sender, srcToReturn);
}
return tokensSold;
}