archived snapshot 2026-11-05T04:02:55Z, shown with the current code and proofs · latest data · all snapshots

Status / EIP-7843

EIP-7843 SLOTNUM Opcode

SFI Glamsterdam: Scheduled · EIP status Last Call

EIP text · EELS tests · all spec changes ·

**EIP-7843 slotnum** (eipproof, fork glamsterdam, snapshot 2026-11-05T04:02:55Z)

- Nethermind: old tests v21.0.1. Nethermind's newest run used tests v21.0.1, but the newest EELS release is v21.0.2. Old tests do not check the current spec, so the old 24/24 is shown but does not count. Next: run v21.0.2. [evidence](https://nethermindeth.github.io/eipproof/glamsterdam/index.html#7843-nethermind)
- Geth: old tests v21.0.1. Geth's newest run used tests v21.0.1, but the newest EELS release is v21.0.2. Old tests do not check the current spec, so the old 24/24 is shown but does not count. Next: run v21.0.2. [evidence](https://nethermindeth.github.io/eipproof/glamsterdam/index.html#7843-go-ethereum)
- Reth: old tests v21.0.1. Reth's newest run used tests v21.0.1, but the newest EELS release is v21.0.2. Old tests do not check the current spec, so the old 22/24 is shown but does not count. Next: run v21.0.2. [evidence](https://nethermindeth.github.io/eipproof/glamsterdam/index.html#7843-reth)
- ethrex: old tests v21.0.1. ethrex's newest run used tests v21.0.1, but the newest EELS release is v21.0.2. Old tests do not check the current spec, so the old 24/24 is shown but does not count. Next: run v21.0.2. [evidence](https://nethermindeth.github.io/eipproof/glamsterdam/index.html#7843-ethrex)
- Besu: old tests v21.0.1. Besu's newest run used tests v21.0.1, but the newest EELS release is v21.0.2. Old tests do not check the current spec, so the old 24/24 is shown but does not count. Next: run v21.0.2. [evidence](https://nethermindeth.github.io/eipproof/glamsterdam/index.html#7843-besu)
- EELS: update tests to EIP version f1ade090. EELS v21.0.2 tests EIP commit c3bfd4ba; the EIP changed 4 times since, newest f1ade090 on 2026-10-22. [EIP diff](https://github.com/ethereum/EIPs/compare/c3bfd4ba41cf0fcbfe8c404f33ba89f5174971e0...f1ade090fd315895461fc3e249cb1a675aeb55a9)

Spec changes, newest first:
- [f1ade090](https://github.com/ethereum/EIPs/commit/f1ade090fd315895461fc3e249cb1a675aeb55a9) 2026-10-22 Update EIP-2780: Align titles and descriptions of Glamsterdam EIPs (#12561): untested
- [5ef38012](https://github.com/ethereum/EIPs/commit/5ef380124bd68d09c02fa90d0de0f2455f37d5ee) 2026-10-06 Update EIP-2780: Move to Last Call (#12442): untested
- [e44e1960](https://github.com/ethereum/EIPs/commit/e44e1960a9328282af8dd884837c2302f6a45c3d) 2026-09-17 Update EIP-7843: align Engine API method names with execution-apis: untested
- [115174e3](https://github.com/ethereum/EIPs/commit/115174e36f14c67a7cda1d54a37a4eae37885799) 2026-08-05 Update EIP-7843: Move to Review: untested
- [c3bfd4ba](https://github.com/ethereum/EIPs/commit/c3bfd4ba41cf0fcbfe8c404f33ba89f5174971e0) 2026-01-20 Update EIP-7843: Move to Draft: EELS v21.0.2 implements this text
- [cc5e68b8](https://github.com/ethereum/EIPs/commit/cc5e68b8cc6cbbf980317f02573a5076572123ec) 2025-12-28 (bot 1272989785) moving EIPS/eip-7843.md to stagnant (#10916): older
- [77f096af](https://github.com/ethereum/EIPs/commit/77f096af0ce517c3f7d7644f189845e06612905c) 2025-06-09 Update EIP-7843: Move to Review: older
- [0aefdc9d](https://github.com/ethereum/EIPs/commit/0aefdc9d5a4b637ca280832f5fe617a5f4dd4f3f) 2025-05-20 Update EIP-7843: change to opcode: older
- [270874f0](https://github.com/ethereum/EIPs/commit/270874f063cf030c04141cac4dff57aabd3b1260) 2025-02-13 Update EIP-7843: specification update: older
- [b9726100](https://github.com/ethereum/EIPs/commit/b9726100a21e8547d9e72b0c9cfae21f860e1fdc) 2025-01-27 Update EIP-7793: zk-vm sections: older
- [7f01d7b2](https://github.com/ethereum/EIPs/commit/7f01d7b262fd2acda7ccb9a7b02aa1914d42e649) 2025-01-07 Update EIP-7843: calculate slot in CL, improve motivation: older
- [e5b4a82d](https://github.com/ethereum/EIPs/commit/e5b4a82dda0f7b8726bc19e9f64a23b12bdf36ec) 2024-12-23 Add EIP: SLOT precompile: older

[EIP text](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-7843.md) · [eipproof page](https://nethermindeth.github.io/eipproof/glamsterdam/eip-7843.html)

Clients open a cell for the why, the three checks and the evidence

Nethermindv21.0.1 old release

Gethv21.0.1 old release

Rethv21.0.1 old release

ethrexv21.0.1 old release

Besuv21.0.1 old release

EELStests v21.0.2

EELS to do update tests to EIP version f1ade090 EIP diff

EELS v21.0.2 tests EIP commit c3bfd4ba; the EIP changed 4 times since, newest f1ade090 on 2026-10-22.

Spec changes and their tests newest first; each EIP commit, the EELS change that pinned it, its first release and the client runs on it

2026-10-22f1ade090Update EIP-2780: Align titles and descriptions of Glamsterdam EIPs (#12561) (commit for EIP-2780; it also edits this EIP) header only untested
tests: not updated to this text. EELS v21.0.2 still tests the text from 2026-01-20 (c3bfd4ba).
2026-10-065ef38012Update EIP-2780: Move to Last Call (#12442) (commit for EIP-2780; it also edits this EIP) header only untested
tests: not updated to this text. EELS v21.0.2 still tests the text from 2026-01-20 (c3bfd4ba).
2026-09-17e44e1960Update EIP-7843: align Engine API method names with execution-apis untested
tests: not updated to this text. EELS v21.0.2 still tests the text from 2026-01-20 (c3bfd4ba).
2026-08-05115174e3Update EIP-7843: Move to Review header only untested
tests: not updated to this text. EELS v21.0.2 still tests the text from 2026-01-20 (c3bfd4ba).
2026-01-20c3bfd4baUpdate EIP-7843: Move to Draft EELS v21.0.2 implements this text
tests: EELS PR #2858 pinned this text on 2026-05-19, test files test_eip_mainnet.py, test_fork_transition.py, test_slotnum.py · first release v20.0.0 · run against it: Nethermind, Geth, Reth, ethrex, Besu
2025-12-28cc5e68b8(bot 1272989785) moving EIPS/eip-7843.md to stagnant (#10916) older
tests: no EELS release tests this text.
2025-06-0977f096afUpdate EIP-7843: Move to Review older
tests: no EELS release tests this text.
2025-05-200aefdc9dUpdate EIP-7843: change to opcode older
tests: no EELS release tests this text.
2025-02-13270874f0Update EIP-7843: specification update older
tests: no EELS release tests this text.
2025-01-27b9726100Update EIP-7793: zk-vm sections (commit for EIP-7793; it also edits this EIP) older
tests: no EELS release tests this text.
2025-01-077f01d7b2Update EIP-7843: calculate slot in CL, improve motivation older
tests: no EELS release tests this text.
2024-12-23e5b4a82dAdd EIP: SLOT precompile older
tests: no EELS release tests this text.

Open EIP PRs 2 not merged, not counted

open PRs in EIPs and execution-specs that name this EIP; shown for reference, they never change a verdict

EIPs#12621 Update EIP-7843: state the header position and the consensus-layer check for slotNumber
EIPs#12618 Update EIP-7843: Add header validity rule and opcode compatibility note

Client PRs matched by title, not a verdict

open and merged PRs whose title names EIP-7843; merged ones since 2026-09-06

Nethermind	#10231 merged Implement EIP-7843 (SLOTNUM opcode)
Geth	none found by title
Reth	none found by title
ethrex	none found by title
Besu	#9632 merged EIP 7843: SLOTNUM op code

EIP-7843 SLOTNUM Opcode

Clients open a cell for the why, the three checks and the evidence

Spec changes and their tests newest first; each EIP commit, the EELS change that pinned it, its first release and the client runs on it

Three checks

Open EIP PRs 2 not merged, not counted

Three checks

Open EIP PRs 2 not merged, not counted

Failed cases 2

Three checks

Open EIP PRs 2 not merged, not counted

Three checks

Open EIP PRs 2 not merged, not counted

Three checks

Open EIP PRs 2 not merged, not counted