mirror of
https://github.com/ethereum/solidity
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95 lines
4.1 KiB
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95 lines
4.1 KiB
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############
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Contributing
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############
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Help is always appreciated!
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To get started, you can try :ref:`building-from-source` in order to familiarize
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yourself with the components of Solidity and the build process. Also, it may be
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useful to become well-versed at writing smart-contracts in Solidity.
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In particular, we need help in the following areas:
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* Improving the documentation
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* Responding to questions from other users on `StackExchange
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<https://ethereum.stackexchange.com>`_ and the `Solidity Gitter
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<https://gitter.im/ethereum/solidity>`_
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* Fixing and responding to `Solidity's GitHub issues
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<https://github.com/ethereum/solidity/issues>`_, especially those tagged as
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`up-for-grabs <https://github.com/ethereum/solidity/issues?q=is%3Aopen+is%3Aissue+label%3Aup-for-grabs>`_ which are
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meant as introductory issues for external contributors.
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How to Report Issues
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====================
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To report an issue, please use the
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`GitHub issues tracker <https://github.com/ethereum/solidity/issues>`_. When
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reporting issues, please mention the following details:
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* Which version of Solidity you are using
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* What was the source code (if applicable)
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* Which platform are you running on
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* How to reproduce the issue
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* What was the result of the issue
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* What the expected behaviour is
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Reducing the source code that caused the issue to a bare minimum is always
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very helpful and sometimes even clarifies a misunderstanding.
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Workflow for Pull Requests
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==========================
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In order to contribute, please fork off of the ``develop`` branch and make your
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changes there. Your commit messages should detail *why* you made your change
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in addition to *what* you did (unless it is a tiny change).
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If you need to pull in any changes from ``develop`` after making your fork (for
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example, to resolve potential merge conflicts), please avoid using ``git merge``
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and instead, ``git rebase`` your branch.
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Additionally, if you are writing a new feature, please ensure you write appropriate
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Boost test cases and place them under ``test/``.
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However, if you are making a larger change, please consult with the Gitter
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channel, first.
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Finally, please make sure you respect the `coding standards
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<https://raw.githubusercontent.com/ethereum/cpp-ethereum/develop/CodingStandards.txt>`_
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for this project. Also, even though we do CI testing, please test your code and
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ensure that it builds locally before submitting a pull request.
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Thank you for your help!
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Running the compiler tests
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==========================
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Solidity includes different types of tests. They are included in the application
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called ``soltest``. Some of them require the ``cpp-ethereum`` client in testing mode.
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To run ``cpp-ethereum`` in testing mode: ``eth --test -d /tmp/testeth``.
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To run the tests: ``soltest -- --ipcpath /tmp/testeth/geth.ipc``.
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To run a subset of tests, filters can be used:
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``soltest -t TestSuite/TestName -- --ipcpath /tmp/testeth/geth.ipc``, where ``TestName`` can be a wildcard ``*``.
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Alternatively, there is a testing script at ``scripts/test.sh`` which executes all tests.
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Whiskers
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========
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*Whiskers* is a templating system similar to `Moustache <https://mustache.github.io>`_. It is used by the
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compiler in various places to aid readability, and thus maintainability and verifiability, of the code.
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The syntax comes with a substantial difference to Moustache: the template markers ``{{`` and ``}}`` are
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replaced by ``<`` and ``>`` in order to aid parsing and avoid conflicts with :ref:`inline-assembly`
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(The symbols ``<`` and ``>`` are invalid in inline assembly, while ``{`` and ``}`` are used to delimit blocks).
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Another limitation is that lists are only resolved one depth and they will not recurse. This may change in the future.
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A rough specification is the following:
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Any occurrence of ``<name>`` is replaced by the string-value of the supplied variable ``name`` without any
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escaping and without iterated replacements. An area can be delimited by ``<#name>...</name>``. It is replaced
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by as many concatenations of its contents as there were sets of variables supplied to the template system,
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each time replacing any ``<inner>`` items by their respective value. Top-level variales can also be used
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inside such areas. |