f(x)Core Update 20230425: Testnet 4.0 Upgrade

This is a major upgrade that contains a list of significant changes, including

  • Support optimism and arbitrum cross-chain protocol integration
  • Support staking through contract calls
  • Support cross-chain transactions through contract calls
  • Bump go-ethereum version to v1.10.26
  • Bump cosmos-sdk to v0.46.12
  • Bump tendermint to v0.34.27

For full list of changes in this upgrade, see CHANGELOG.md
View the code at Release v4.0.0-rc1 · FunctionX/fx-core · GitHub

This upgrade is proposed to take place at height 8,088,000, which should occur approximately at 14:00 to 15:00 (UTC+8) on April 26th, 2023. For validators on f(x)Core, please go to f(x)Core Mainnet Validator Updates - #221 by lancelai