Hello all here!
The upgraded code for EarthCoin (v.2.0) is ready:
https://github.com/Sandokaaan/EarthCoin2019todo:
- upload binary builds
- do some user-side reviews and tests
- notify exchanges and block explorer operators to upgrade their nodes
- upgrade mining pools
- perform the softfork and disconnect nodes that reject to upgrade
New features included in version 2.0:
- security improvements based on the latest bitcoin/litecoin source codes
- fast sync from the scratch (headers first method)
- HD addresses
- simple and safe upgrade from a legacy wallet
- ready for segwit transactions
- possibility of recovery from a stuck without whole blockchain resync
- and many others I don't even know about

If you are interested, feel free to test the new code.