This is the sophia compiler for the æternity system which compiles contracts written in sophia code to the æternity VM code.
It is an OTP application written in Erlang and is by default included in the æternity node. However, it can also be included in other systems to compile contracts coded in sophia which can then be loaded into the æternity system.
aesophia has a version that is only loosely connected to the version of the
Aeternity node - in principle they will share the major version but not
minor/patch version. The
aesophia compiler version MUST be bumped whenever
there is a change in how byte code is generated, but it MAY also be bumped upon
API changes etc.
The basic modules for interfacing the compiler: