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Gravity v1.8.1

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@Lchangliang Lchangliang released this 24 Jul 07:27
v1.8.1
4059833

Mainnet consensus-safety update

Gravity v1.8.1 is a consensus-sensitive hotfix for an EIP-7702 nonce interaction that can halt block execution. Mainnet operators should deploy v1.8.1 instead of v1.8.0 and keep the mixed-version rollout window as short as possible.

The Alpha hardfork schedule is unchanged:

  • Beijing: 2026-07-27 13:00:00 UTC+08:00
  • UTC: 2026-07-27 05:00:00 UTC
  • Unix timestamp: 1785128400
  • Mainnet chain ID: 127001

This release does not change alphaTime, pragueTime, or the other Alpha execution rules introduced in v1.8.0.

What's changed

Temporary EIP-7702 lockdown

The bundled gravity-reth revision moves from b49b4864aeaa3c35c6871a77d7133bb9486edbf1 to 807c161584b5c785b692946e53d31ddc89599086.

This revision enables the compile-time EIP7702_LOCKDOWN consensus switch. While it is active, the deterministic pre-execution transaction filter drops:

  • Every EIP-7702 type-4 (SetCode) transaction.
  • Every transaction sent from an account that is already delegated through EIP-7702.
  • Every transaction sent to an account that is already delegated through EIP-7702.

The lockdown prevents a delegated account's execution-time CREATE nonce increment from leaving a later transaction in the same ordered block with a stale nonce and reaching the executor as NonceTooLow. Filtered transactions use the existing deterministic invalid-transaction path, so all upgraded nodes exclude the same transactions before execution. Transactions that do not involve EIP-7702 delegated accounts are unaffected.

Validation

  • Adds unit coverage for all three lockdown rules in both enabled and disabled modes.
  • Adds regression coverage for the audit #838 same-block nonce-halt shape.
  • Adds a full pipeline test proving that the filtered block survives both serial and grevm execution.
  • Keeps positive EIP-7702 delegation tests disabled while the lockdown ships.

Compatibility and operator notes

  • Coordinated upgrade required: v1.8.0 and v1.8.1 can execute an affected ordered block differently. Validators and full nodes should not remain on mixed versions beyond the controlled rollout window.
  • EIP-7702 is temporarily unavailable: new delegations are rejected, and transactions from or to existing delegated accounts are filtered while the lockdown is active.
  • No runtime override: the switch is compiled into the binary because it changes consensus-visible execution. It cannot be changed independently with a CLI flag or environment variable.
  • Future re-enable: EIP-7702 should only be re-enabled by a later coordinated release after the durable deterministic executor-skip path is ready.
  • Alpha remains scheduled: all v1.8.0 Alpha hardfork behavior and the mainnet activation timestamp remain in effect.

Docker image

The release pipeline publishes:

docker pull ghcr.io/galxe/gravity_node:v1.8.1

Dependency revision

  • gravity-reth: b49b4864aeaa3c35c6871a77d7133bb9486edbf1 -> 807c161584b5c785b692946e53d31ddc89599086
  • gravity-aptos: unchanged at b1f68dc85781ef0d28a568d9d64604b153be9d9e

Full changelogs

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