Problem adding new initialize function to upgradeable contract in tutorial

[abcoathup]

@spalladino

Hey @roy.batty, thanks for reporting this! I’ve managed to reproduce this in a sample project without zOS at all. It would seem that the version of truffle that breaks this is 5.0.13 (.12 worked fine for me). I’ve filed this issue to report it, feel free to add any further info there.

Issue https://github.com/trufflesuite/truffle/issues/2048 now fixed in Truffle v5.0.20

Reran tutorial with Truffle 5.0.20 successfully

Upgrade truffle 5.0.13+ to 5.0.20

Hey folks! If you are running ZeppelinOS with any version of truffle between 5.0.13 and 5.0.19, you should upgrade now to truffle 5.0.20. This release includes a fix for an issue that broke compiled JSON artifacts, which were used by zos. What exactly was the issue? When you compiled a contract with one of the affected versions of truffle, then modified the Solidity code, and recompiled, the resulting artifact had incorrect ABI definitions (the list of the public methods that your contract exp…