I have a big contract (A) that is built using Solidity 0.4.25. I also want to build several contracts (B) that will talk to (A), but they will be built using Solidity 0.5.*.
As I understand, I will not be able to compile and test contracts (A) and (B) on
ganache-cli. I have to change contract (A) to Solidity 0.5.* to make it work (I use truffle v5).
If I understand it correctly, I can only interact with contracts that use 0.4.* using an interface and those contracts have to be deployed on a test/main network?