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Rethrow custom error string if draw call fails

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This commit is contained in:
Amir Bandeali 2019-12-02 16:41:32 -08:00
parent 7a3f878c11
commit 64ed1f87d3
2 changed files with 13 additions and 2 deletions
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13
contracts/asset-proxy/contracts/src/bridges/ChaiBridge.sol
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@ -54,9 +54,20 @@ contract ChaiBridge is
// Withdraw `from` address's Dai. // Withdraw `from` address's Dai.
// NOTE: This contract must be approved to spend Chai on behalf of `from`. // NOTE: This contract must be approved to spend Chai on behalf of `from`.
IChai(_getChaiAddress()).draw(from, amount); bytes memory drawCalldata = abi.encodeWithSelector(
IChai(address(0)).draw.selector,
from,
amount
);
(bool success,) = _getChaiAddress().call(drawCalldata);
require(
success,
"ChaiBridge/DRAW_DAI_FAILED"
);
// Transfer Dai to `to` // Transfer Dai to `to`
// This will never fail if the `draw` call was successful
IERC20Token(_getDaiAddress()).transfer(to, amount); IERC20Token(_getDaiAddress()).transfer(to, amount);
return BRIDGE_SUCCESS; return BRIDGE_SUCCESS;