v2.1.1

KromaMPT Mainnet hardfork

❗️Mainnet operators are required to update to this mandatory release to follow the chain post-KromaMPT.❗️

This release contains the KromaMPT activation timestamp for the Kroma Mainnet, on

• Tue 11 Feb 2025 05:00:01 UTC
• UNIX Timestamp: 1739250001

The corresponding execution client (geth) release can be found here.
You can find more details about KromaMPT here.

❗️Breaking Changes❗️

• The chain state data structure is changed from ZKTrie to MPT(Merkle Patricia Trie).
• BedrockBlock in Genesis changes from 0 to MPT transition block
• Predeployed contract addresses have been changed:
  • L1Block: 0x4200000000000000000000000000000000000002 -> 0x4200000000000000000000000000000000000015
  • L1FeeVault: 0x4200000000000000000000000000000000000007 -> 0x420000000000000000000000000000000000001A
  • BaseFeeVault: 0x4200000000000000000000000000000000000016 -> 0x4200000000000000000000000000000000000019
• Coinbase address have been changed to 0x4200000000000000000000000000000000000011
• Removed Kroma-specific transaction fee distribution logic. Now it is the same as OP.
• SELFDESTRUCT opcode has been enabled, now you can destroy your contract.
• Added isSystemTransaction field to DepositTx type to be the same as OP, which affects the deposit transaction hash.
• Enable Rollup Historical RPC to query historical data before the MPT transition.
  • eth_call, eth_getBalance, debug_traceTransaction, etc

What's Changed

• chore: add v2.1.0 deployments on Sepolia by @seolaoh in #417
• feat: ignore KromaMPT block payload by @Pangssu in #418
• chore: Fix incorrect error message in Update main.go by @mdqst in #423
• chore: add KromaMPTTime to mainnet by @Pangssu in #424
• chore: add mainnet v2.1.1 deployments by @kangsorang in #425
• feat: merge dev into main by @seolaoh in #426

New Contributors

• @mdqst made their first contribution in #423

Full Changelog: v2.1.0...v2.1.1