Reef v8

Reef v8 is the largest blockchain upgrade yet:

• Upgraded from Polkadot Substrate 3 to Substrate 4
• Upgraded Ethereum virtual machine (EVM) to post London fork
• Support for live chain forking in development mode
• Support for blockchain database snapshots /w Postgres mirroring
• Improved integration tests suite

Upgrade instructions

This release also requires node upgrade.
!!! All users must upgrade the their Reef node to 4.0.0 !!!
Chain re-sync is not required.

git checkout v8
make release

Full node compilation instructions are available here.

Live rollout

Testnet upgraded to v8 on block 1293333.
Mainnet upgraded to v8 on block 1408888.