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| author | chriseth <chris@ethereum.org> | 2019-01-21 21:56:50 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-21 21:56:50 +0800 |
| commit | 8f694d5119dad14ca1bce4201f9ccc617e206774 (patch) | |
| tree | 251184ef643adee02f925b4786b15b899fdcfa9a /docs | |
| parent | ec6b6602517ba12d9b3c296515d411cc486a6b42 (diff) | |
| parent | a1df27ae3d65d22e69c1bf6b812e69d3d92a28cc (diff) | |
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Merge pull request #5796 from ethereum/faq-send-payable
[DOCS] Merge payable FAQ item
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/contracts/functions.rst | 4 | ||||
| -rw-r--r-- | docs/frequently-asked-questions.rst | 7 |
2 files changed, 2 insertions, 9 deletions
diff --git a/docs/contracts/functions.rst b/docs/contracts/functions.rst index 76245952..522ce5c4 100644 --- a/docs/contracts/functions.rst +++ b/docs/contracts/functions.rst @@ -236,9 +236,9 @@ functions match the given function identifier (or if no data was supplied at all). Furthermore, this function is executed whenever the contract receives plain -Ether (without data). Additionally, in order to receive Ether, the fallback function +Ether (without data). To receive Ether and add it to the total balance of the contract, the fallback function must be marked ``payable``. If no such function exists, the contract cannot receive -Ether through regular transactions. +Ether through regular transactions and throws an exception. In the worst case, the fallback function can only rely on 2300 gas being available (for example when `send` or `transfer` is used), leaving little diff --git a/docs/frequently-asked-questions.rst b/docs/frequently-asked-questions.rst index 11db780c..645789ce 100644 --- a/docs/frequently-asked-questions.rst +++ b/docs/frequently-asked-questions.rst @@ -54,13 +54,6 @@ Yes, you can use ``abi.encodePacked``:: } } -What happens if you send ether along with a function call to a contract? -======================================================================== - -It gets added to the total balance of the contract, just like when you send ether when creating a contract. -You can only send ether along to a function that has the ``payable`` modifier, -otherwise an exception is thrown. - ****************** Advanced Questions ****************** |