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This is the sophia compiler for the æternity system which compiles contracts written in sophia to FATE instructions.

The compiler is currently being used three places


Additionally you can check out the contracts section of the æternity blockchain specification.


Versioning should follow the semantic versioning guidelines. Id est, given a version number MAJOR.MINOR.PATCH, increment the:

  • MAJOR version when you make incompatible API changes
  • MINOR version when you add functionality in a backwards compatible manner
  • PATCH version when you make backwards compatible bug fixes

Interface Modules

The basic modules for interfacing the compiler: