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| author | chriseth <c@ethdev.com> | 2016-06-28 23:29:08 +0800 |
|---|---|---|
| committer | chriseth <c@ethdev.com> | 2016-07-04 21:27:53 +0800 |
| commit | 2df142c49618138ba7f38f32a76022caecc68abb (patch) | |
| tree | 0d67461efc8993c9eeca5573b46f6ff6c5055d94 /docs/types.rst | |
| parent | 48238c9f1452b1326851af053c782734d0f67101 (diff) | |
| download | dexon-solidity-2df142c49618138ba7f38f32a76022caecc68abb.tar.gz dexon-solidity-2df142c49618138ba7f38f32a76022caecc68abb.tar.zst dexon-solidity-2df142c49618138ba7f38f32a76022caecc68abb.zip | |
Security Considerations
Diffstat (limited to 'docs/types.rst')
| -rw-r--r-- | docs/types.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/types.rst b/docs/types.rst index dbbd84d3..1a0de358 100644 --- a/docs/types.rst +++ b/docs/types.rst @@ -113,6 +113,13 @@ All three functions ``call``, ``delegatecall`` and ``callcode`` are very low-lev All contracts inherit the members of address, so it is possible to query the balance of the current contract using ``this.balance``. +.. warning:: + All these functions are low-level functions and should be used with care. + Specifically, any unknown contract might be malicious and if you call it, you + hand over control to that contract which could in turn call back into + your contract, so be prepared for changes to your state variables + when the call returns. + .. index:: byte array, bytes32 |