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fea: buyback transfer token to receiver #97

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Merged
qingyang-lista merged 1 commit into from
Aug 5, 2025
Merged

fea: buyback transfer token to receiver #97

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6 changes: 4 additions & 2 deletions contracts/buyback/Buyback.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -174,7 +174,7 @@ contract Buyback is
require(routerWhitelist[_router], "router not whitelisted");

uint256 beforeTokenIn = _getTokenBalance(_tokenIn, address(this));
uint256 beforeTokenOut = _getTokenBalance(_tokenOut, receiver);
uint256 beforeTokenOut = _getTokenBalance(_tokenOut, address(this));

bool isNativeTokenIn = (_tokenIn == SWAP_NATIVE_TOKEN_ADDRESS);
if (!isNativeTokenIn) {
Expand All @@ -188,11 +188,13 @@ contract Buyback is
}

uint256 actualAmountIn = beforeTokenIn - _getTokenBalance(_tokenIn, address(this));
uint256 actualAmountOut = _getTokenBalance(_tokenOut, receiver) - beforeTokenOut;
uint256 actualAmountOut = _getTokenBalance(_tokenOut, address(this)) - beforeTokenOut;

require(actualAmountIn <= _amountIn, "exceed amount in");
require(actualAmountOut >= _amountOutMin, "not enough profit");

IERC20(_tokenOut).safeTransfer(receiver, actualAmountOut);

emit BoughtBack(_router, _tokenIn, _tokenOut, actualAmountIn, actualAmountOut);
}

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6 changes: 4 additions & 2 deletions contracts/dao/ListaAutoBuyback.sol
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Expand Up @@ -150,7 +150,7 @@ contract ListaAutoBuyback is Initializable, AccessControlUpgradeable {
require(routerWhitelist[_router], "router not whitelisted");

uint256 beforeTokenIn = _getTokenBalance(_tokenIn, address(this));
uint256 beforeTokenOut = _getTokenBalance(_tokenOut, defaultReceiver);
uint256 beforeTokenOut = _getTokenBalance(_tokenOut, address(this));

bool isNativeTokenIn = (_tokenIn == SWAP_NATIVE_TOKEN_ADDRESS);
if (!isNativeTokenIn) {
Expand All @@ -163,11 +163,13 @@ contract ListaAutoBuyback is Initializable, AccessControlUpgradeable {
}

uint256 actualAmountIn = beforeTokenIn - _getTokenBalance(_tokenIn, address(this));
uint256 actualAmountOut = _getTokenBalance(_tokenOut, defaultReceiver) - beforeTokenOut;
uint256 actualAmountOut = _getTokenBalance(_tokenOut, address(this)) - beforeTokenOut;

require(actualAmountIn <= _amountIn, "exceed amount in");
require(actualAmountOut >= _amountOutMin, "not enough profit");

IERC20(_tokenOut).safeTransfer(defaultReceiver, actualAmountOut);

emit BoughtBack(_router, _tokenIn, _tokenOut, actualAmountIn, actualAmountOut);
}

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