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Liquidity is a language to program Smart Contracts for Tezos. It uses the syntax of OCaml, and strictly complies to Michelson security restrictions.

The Liquidity project contains:

• A compiler from Liquidity files (.liq extension) to Michelson
• A de-compiler from Michelson files (.tz extension) to Liquidity
• An evaluator of Michelson contracts

The Liquidity language provides the following features:

• Full coverage of the Michelson language: Anything that can be written in Michelson can be written in Liquidity

• Local variables instead of stack manipulations: values can be stored in local variables.

• High-level types: types like sum-types and record-types can be defined and used in Liquidity programs.

The master branch contains the latest stable release. The next branch contains the upcoming version: the language on the next branch is for experimentation, and features may be modified before the next release.

See installation instructions and usage documentation.

Documentation can be found in the reference and many examples are in the tests and tests/others directories.

All features of Michelson are supported in Liquidity. All tests from https://github.com/tezos/tezos/tree/alphanet/test/contracts can be decompiled to Liquidity and recompiled to Michelson.

The current roadmap is:

• Development of an online editor for Liquidity

• Development of a proof assistant for Liquidity contracts