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| author | chriseth <c@ethdev.com> | 2016-08-08 01:46:11 +0800 |
|---|---|---|
| committer | chriseth <c@ethdev.com> | 2016-08-17 17:30:40 +0800 |
| commit | 774bb8ab3baa9d7b5e6368dcd0f887b13ff26ae8 (patch) | |
| tree | d2ba2c8f7f79c5e9d2db46a4ec748844c9968a20 /docs/control-structures.rst | |
| parent | e7683f4722791d39ca63913ec98feb1ea9f5164d (diff) | |
| download | dexon-solidity-774bb8ab3baa9d7b5e6368dcd0f887b13ff26ae8.tar.gz dexon-solidity-774bb8ab3baa9d7b5e6368dcd0f887b13ff26ae8.tar.zst dexon-solidity-774bb8ab3baa9d7b5e6368dcd0f887b13ff26ae8.zip | |
Make function calls throw if target does not have code.
Low-level calls still just execute and will actually report "success".
This allows `x.call.value(y)()` for x being a non-contract account.
Diffstat (limited to 'docs/control-structures.rst')
| -rw-r--r-- | docs/control-structures.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/control-structures.rst b/docs/control-structures.rst index a6daccac..5b78d099 100644 --- a/docs/control-structures.rst +++ b/docs/control-structures.rst @@ -69,6 +69,10 @@ this does not execute a constructor. We could also have used ``function setFeed( only (locally) sets the value and amount of gas sent with the function call and only the parentheses at the end perform the actual call. +Function calls cause exceptions if the called contract does not exist (in the +sense that the account does not contain code) or if the called contract itself +throws an exception or goes out of gas. + .. warning:: Any interaction with another contract imposes a potential danger, especially if the source code of the contract is not known in advance. The current |