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Add SafeERC20 helpers #413

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Merged
frangio merged 3 commits into from
Aug 28, 2017
Merged

Add SafeERC20 helpers #413

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c7636bd
add safe ERC20 helpers
frangio Aug 28, 2017
7b46376
explain how to use SafeERC20
frangio Aug 28, 2017
c37c233
add SafeERC20 tests for succeeding operations
frangio Aug 28, 2017
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explain how to use SafeERC20
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@frangio
frangio committed Aug 28, 2017
commit 7b463769a5d88fb1e312b10ce5bf810d39853289
2 changes: 2 additions & 0 deletions contracts/token/SafeERC20.sol
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Expand Up @@ -6,6 +6,8 @@ import './ERC20.sol';
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
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