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fix payout revert leaving no processed record #315

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fix payout revert leaving no processed record #315

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8 changes: 6 additions & 2 deletions contracts/pegged-bridge/OriginalTokenVaultV2.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -214,10 +214,14 @@ contract OriginalTokenVaultV2 is ReentrancyGuard, Pauser, VolumeControl, Delayed
uint256 _amount
) private {
if (_token == nativeWrap) {
// withdraw then transfer native to receiver
// unwrap then attempt native push; on failure, re-wrap and transfer WETH
IWETH(nativeWrap).withdraw(_amount);
(bool sent, ) = _receiver.call{value: _amount, gas: nativeTokenTransferGas}("");
require(sent, "failed to send native token");
if (!sent) {
// preserve processed record by avoiding revert; re-wrap and transfer WETH
IWETH(nativeWrap).deposit{value: _amount}();
IERC20(nativeWrap).safeTransfer(_receiver, _amount);
}
} else {
IERC20(_token).safeTransfer(_receiver, _amount);
}
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