Set the PROTOCOL_VERSION_DEFAULT when building quickstart #93
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What
Set the PROTOCOL_VERSION_DEFAULT when building quickstart.
Why
The quickstart image now requires the default protocol version to be set as a build argument. This is because the quickstart image can't know what the common maximum supported protocol version is of all of the software in the image. It may be that a stellar-core has support for N, while a Horizon or RPC may only support N-1. We want teams to be able to update their software without coordinating, and for the image still to work if it has a newer stellar-core while it has an older Horizon.
The system-test image builds quickstart and so needs to set this new parameter.
Related: