Solidity, the Smart Contract Programming Language
Go to file
2021-07-07 17:37:01 +02:00
.circleci Added extra commands that needs to be run before brew update 2021-06-17 10:34:57 +02:00
.github This can help a little with triage 2021-05-08 15:28:28 -04:00
cmake Update emscripten build to be compatible with new docker image. 2021-01-13 01:09:34 +01:00
docs Update smtchecker.rst 2021-07-06 23:24:37 +08:00
libevmasm Do not hard-code the default 'runs' value as 200 in code that fills out optimizer settings 2021-06-28 14:12:28 +02:00
liblangutil [langutil] ParserBase: make advance() overridable and make sure it's used. 2021-06-23 12:53:25 +02:00
libsmtutil review 2021-05-26 22:12:49 +02:00
libsolc Remove unneeded include files 2021-06-07 12:53:18 -04:00
libsolidity Merge pull request #11627 from ethereum/allowEmptyFileName 2021-07-07 12:52:49 +02:00
libsolutil CommonIO: Replace readStandardInput() with readUntilEnd() with a configurable stream 2021-07-02 14:58:30 +02:00
libyul Fix source location for `if` statements. 2021-07-07 17:37:01 +02:00
scripts Fix pylint issues 2021-06-30 10:38:37 +02:00
snap Add wget to the build packages of the snap 2019-08-26 06:07:54 -06:00
solc Merge pull request #11520 from ethereum/local-streams-in-command-line-parser 2021-07-07 15:07:23 +02:00
test Fix source location for `if` statements. 2021-07-07 17:37:01 +02:00
tools Create libraries for yul-phaser and solc to avoid compiling their sources again for soltest 2021-06-22 17:47:45 +02:00
.clang-format Improved .clang_format file. 2020-03-22 22:23:29 +01:00
.dockerignore adds .dockerignore file 2018-06-26 12:21:04 +02:00
.editorconfig .editorconfig: Indentation rules for .yul 2020-11-10 23:31:05 +01:00
.gitattributes Create .gitattributes 2018-02-20 18:41:02 -05:00
.gitignore Add generated robots.txt to .gitignore 2021-06-21 20:54:31 +02:00
Changelog.md Fix source location for `if` statements. 2021-07-07 17:37:01 +02:00
CMakeLists.txt Set version to 0.8.7. 2021-06-22 15:14:53 +02:00
CODE_OF_CONDUCT.md Rename CONDUCT.md to CODE_OF_CONDUCT.md so that Github picks it up 2018-08-01 22:38:58 +01:00
codecov.yml Fix patch coverage settings 2019-02-20 16:09:00 +01:00
CODING_STYLE.md Update HTTP -> HTTPS 2020-10-18 01:00:38 -04:00
CONTRIBUTING.md Replace links to readthedocs.io with ones using the new domain 2020-11-18 15:20:34 +01:00
LICENSE.txt Align license to those in file headers. 2016-06-08 22:57:30 +02:00
README.md Add Mastodon to socials as Twitter alternative 2021-06-04 09:59:01 +02:00
ReleaseChecklist.md updating post-release comms tasks 2021-05-03 14:18:26 +02:00
SECURITY.md Replace links to readthedocs.io with ones using the new domain 2020-11-18 15:20:34 +01:00

The Solidity Contract-Oriented Programming Language

Matrix Chat Gitter Chat Solidity Forum Twitter Follow Mastodon Follow

You can talk to us on Gitter and Matrix, tweet at us on Twitter or create a new topic in the Solidity forum. Questions, feedback, and suggestions are welcome!

Solidity is a statically typed, contract-oriented, high-level language for implementing smart contracts on the Ethereum platform.

For a good overview and starting point, please check out the official Solidity Language Portal.

Table of Contents

Background

Solidity is a statically-typed curly-braces programming language designed for developing smart contracts that run on the Ethereum Virtual Machine. Smart contracts are programs that are executed inside a peer-to-peer network where nobody has special authority over the execution, and thus they allow to implement tokens of value, ownership, voting, and other kinds of logic.

When deploying contracts, you should use the latest released version of Solidity. This is because breaking changes, as well as new features and bug fixes are introduced regularly. We currently use a 0.x version number to indicate this fast pace of change.

Build and Install

Instructions about how to build and install the Solidity compiler can be found in the Solidity documentation.

Example

A "Hello World" program in Solidity is of even less use than in other languages, but still:

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

contract HelloWorld {
    function helloWorld() external pure returns (string memory) {
        return "Hello, World!";
    }
}

To get started with Solidity, you can use Remix, which is a browser-based IDE. Here are some example contracts:

  1. Voting
  2. Blind Auction
  3. Safe remote purchase
  4. Micropayment Channel

Documentation

The Solidity documentation is hosted at Read the docs.

Development

Solidity is still under development. Contributions are always welcome! Please follow the Developers Guide if you want to help.

You can find our current feature and bug priorities for forthcoming releases in the projects section.

Maintainers

License

Solidity is licensed under GNU General Public License v3.0.

Some third-party code has its own licensing terms.

Security

The security policy may be found here.