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chriseth
2017-06-23 19:29:11 +02:00
parent 7f05ef8aca
commit 64067975e4
4 changed files with 5 additions and 5 deletions
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docs/control-structures.rst
+2 -2
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@@ -376,7 +376,7 @@ series of function calls that will reach a failing assertion. If this is possibl
in your contract you should fix.
There are two other ways to trigger execptions: The ``revert`` function can be used to flag an error and
revert the current call. In the future, it migt be possible, to also include details about the error
revert the current call. In the future, it might be possible, to also include details about the error
in a call to ``revert``. The ``throw`` keyword can also be used as an alternative to ``revert()``.
When exceptions happen in a sub-call, they "bubble up" automatically. Exceptions to this rule are ``send``
@@ -430,4 +430,4 @@ Internally, Solidity performs a revert operation (instruction ``0xfd``) for a ``
the EVM to revert all changes made to the state. The reason for reverting is that there is no safe way to continue execution, because an expected effect
did not occur. Because we want to retain the atomicity of transactions, the safest thing to do is to revert all changes and make the whole transaction
(or at least call) without effect. Note that ``assert``-style exceptions consume all gas available to the call, while
``revert``-style exceptions will not consume any gas starting from the metropolis release.
``revert``-style exceptions will not consume any gas starting from the Metropolis release.
docs/units-and-global-variables.rst
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@@ -130,8 +130,8 @@ This means that, for example, ``keccak256(0) == keccak256(uint8(0))`` and
It might be that you run into Out-of-Gas for ``sha256``, ``ripemd160`` or ``ecrecover`` on a *private blockchain*. The reason for this is that those are implemented as so-called precompiled contracts and these contracts only really exist after they received the first message (although their contract code is hardcoded). Messages to non-existing contracts are more expensive and thus the execution runs into an Out-of-Gas error. A workaround for this problem is to first send e.g. 1 Wei to each of the contracts before you use them in your actual contracts. This is not an issue on the official or test net.
.. _address_related:
.. index:: balance, send, transfer, call, callcode, delegatecall
.. _address_related:
Address Related
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