📣 Summary

v9.1.0 is the new stable mainnet release of the mezod chain client software.

This release introduces the new eth_simulateV1 RPC method allowing to execute complex multi-call and multi-block simulations on Mezo chain. See docs/spec/eth-simulate-v1.md for more details.

ℹ️ This is a feature release recommended for RPC nodes. This release is optional for validators and seed nodes.

📝 Changelog

Bump testnet validators and mainnet RPC to v9.0.0 by @lukasz-zimnoch in #650
Enable MEZO/USD price feed on Mezo and Ethereum by @dimpar in #653
Add CLAUDE.md onboarding guide by @lukasz-zimnoch in #656
Add eth_simulateV1 plan and research notes by @lukasz-zimnoch in #657
Add EIP-7702 research and implementation plan by @lukasz-zimnoch in #622
System test for indirect token bridge-out by @tomaszslabon in #652
Adding monitoring addresses for Pyth oracle configs by @dimpar in #659
Scaffold eth_simulateV1 RPC surface by @lukasz-zimnoch in #658
Add MovePrecompileTo support to eth_call state overrides by @lukasz-zimnoch in #660
Single-call/block eth_simulateV1 by @lukasz-zimnoch in #662
Multi-call/block eth_simulateV1 by @lukasz-zimnoch in #664
DoS hardening for eth_simulateV1 by @lukasz-zimnoch in #665
Final Geth parity for eth_simulateV1 by @lukasz-zimnoch in #667
Final test consolidation and docs for eth_simulateV1 by @lukasz-zimnoch in #668
Make eth_simulateV1 system test suites portable across live chains by @lukasz-zimnoch in #669

Full Changelog: v9.0.0...v9.1.0

⚙️ Node setup

For guidance around node setup, please refer to the Validator Kit repository.

🔐 Signatures

We're providing two pieces of information for node providers and other interested parties:

The Docker image sha256sum
The Linux binary archive sha256 sum

Both hashes are signed by the development team and verifiable on Keybase. Our Keybase usernames are all associated our GitHub usernames.

Docker image

Image: mezo/mezod:v9.1.0.
sha256 sum: sha256:45273a5371a2b2636f63b0e3697cc0b9781d958f2c0cbb47b4bea05d175cbcb2

Signatures from the development team (verify these in the Keybase app):

@lukasz-zimnoch
BEGIN KEYBASE SALTPACK SIGNED MESSAGE. kXR7VktZdyH7rvq v5weRa0zk90sDpX wIX07Cfy2Yz31Xq 8mliRvTpoVIDeBV VZiP1JZd9ZuYVbj e8EeWxGDmXBvosX CFbg68u3msAPkrR IpG38sQPspsyDWk 6Z2onw88CWhjSGN HHqk1hrqXmFvHE7 05BHVo7ceMFK1nF AQ1gfI2jdpW9IWf UegxnAgwYM96hPD LVBkk4tdAHY9DXZ PgkSMC8vlcmC6Nm r4l71DUVhnmjb6H QvVJhirkmN5N7Qh Gke6xVt9PGynOic 6yo60RnTADS. END KEYBASE SALTPACK SIGNED MESSAGE.
@tomaszslabon
BEGIN KEYBASE SALTPACK SIGNED MESSAGE. kXR7VktZdyH7rvq v5weRa0zk7xdHzK Gm9BtmKb2FhcVia 1x14PuUuG7fVaLE jQhGdMxCf74P1IV 281EJNSjpR68QUs pSTTAXhTfA29Efd JtDNtxj2XnYqDqP JlcvddWTTtR7gqX SbikPUWnbP2t4rk lRdJtkR6xUEuWHf VS2LeyzZEILKsrq J0rTAq8x3jzvpIW TsM7OwhAvchFSFD n8BbaC8vlcmC6Nm r4l71DUVhnmjb6H QvVJhirkmN5N7Qh Gke6xVt9PGynOic 6yo60RnTADS. END KEYBASE SALTPACK SIGNED MESSAGE.

Linux binary

Archive: linux-amd64.tar.gz (see Assets section)
sha256 sum: e279e7930b4e27d2677a5db120fe5bead46fc9f7528ae285c54b01b0c87545da linux-amd64.tar.gz