duneanalytics/evm.codes

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Source for evm.codes an Ethereum Virtual Machine Opcodes Interactive Reference

Stars: 827
Forks: 199
Open beginner issues: 0
Indexed issues: 41
Avg merge: 15m
Merged PRs (30d): 1

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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41 open issues indexed

Improve EVM Playground Memory formatting for better readability Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

duneanalytics/evm.codes#416 · Opened May 27, 2026
## PR Summary Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

duneanalytics/evm.codes#413 · Opened May 7, 2026
chore: improve etherscan v2 DX (configurable chainid + explicit errors) Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

duneanalytics/evm.codes#411 · Opened Feb 15, 2026
feat: Add support for Vyper in the Playground Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

duneanalytics/evm.codes#407 · Opened Jan 31, 2026
SMOD description Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

duneanalytics/evm.codes#385 · Opened May 22, 2025
Inconsistent argument names for DUP and SWAP instructions Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

duneanalytics/evm.codes#383 · 2 comments · Opened May 13, 2025
TSTORE should be in the list of disallowed STATICCALL instructions Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

duneanalytics/evm.codes#382 · Opened Apr 23, 2025
Shareable Playground Links Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

duneanalytics/evm.codes#380 · 1 comment · Opened Apr 21, 2025
feature: EOF (EIP‑3540) Add a bytecode inspector Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

duneanalytics/evm.codes#379 · Opened Apr 21, 2025
Incorrect gas calculations for `CALL*` gas stipend Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

duneanalytics/evm.codes#362 · Opened Dec 18, 2024
Show byte selection length in memory and bytecode text fields in playground Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

duneanalytics/evm.codes#361 · Opened Dec 17, 2024
Mark deprecated opcodes appropriately under EOF Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

duneanalytics/evm.codes#358 · 1 comment · Opened Dec 3, 2024
Reproduce in playground example for ecPairing precompile is available in Solidity but is not translated correctly to Mnemonic Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

duneanalytics/evm.codes#337 · Opened Jul 23, 2024
Playground: reset storage Open

feature improvement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

duneanalytics/evm.codes#309 · Opened Mar 27, 2024
Feature request: Highlight instructions in the playground. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

duneanalytics/evm.codes#299 · 1 comment · Opened Mar 7, 2024
Feature request: Allow setting custom context Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

duneanalytics/evm.codes#295 · 1 comment · 2 reactions · Opened Feb 1, 2024
Feature Request: Playground, Allow custom "from" EOA address Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

duneanalytics/evm.codes#287 · 2 reactions · Opened Jan 12, 2024
Feature request: shaded leading zeros in stack Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

duneanalytics/evm.codes#283 · Opened Dec 12, 2023
feature request: stack annotations Open

feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

duneanalytics/evm.codes#282 · 1 comment · Opened Dec 12, 2023
Feature request: transaction types Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 35/100

duneanalytics/evm.codes#270 · 8 comments · Opened Sep 27, 2023
Feature request: add ability to send raw `calldata` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

duneanalytics/evm.codes#258 · Opened Jul 17, 2023
Conversion error when using bytecode button. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

duneanalytics/evm.codes#252 · 1 comment · Opened Jun 24, 2023
Infinite Loops Break Playground Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

duneanalytics/evm.codes#245 · 1 comment · Opened Jun 6, 2023
Feature Request: Autocomplete in EVM Playground Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

duneanalytics/evm.codes#227 · 1 comment · Opened Apr 13, 2023
Playground editor does not rename opcode 0x44 from DIFFICULTY to PREVRANDAO post-merge Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

duneanalytics/evm.codes#219 · 1 comment · Opened Mar 26, 2023
In Playground: Add a way to navigate backwards in the opocdes Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

duneanalytics/evm.codes#212 · 3 comments · 4 reactions · Opened Feb 13, 2023
Remove fork from settingsContext.ts Open

improvement

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

duneanalytics/evm.codes#184 · Opened Oct 21, 2022
Playground: do not cut values on the stack Open

improvement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

duneanalytics/evm.codes#179 · 7 comments · Opened Oct 1, 2022
Idea: Add link to the actual implementation of the opcode as described in the execution specs Open

improvement

duneanalytics/evm.codes#137 · 1 comment · 1 reaction · 1 assignee · Opened May 7, 2022
Feature request: Add additional utils to playground (RLP encoding, Address Checksum, Recovering address, Transaction en/de-coding etc...) Open

feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

duneanalytics/evm.codes#136 · Opened May 6, 2022
Feature request: add option for selecting solc optimization level Open

duneanalytics/evm.codes#130 · 1 reaction · 1 assignee · Opened Apr 20, 2022
Feature request: Toggles for proposed EIPs and their impact Open

feature

Difficulty 5/5 Over a week Newbie friendliness 15/100

duneanalytics/evm.codes#108 · 1 comment · Opened Jan 26, 2022
Add tests to prevent regressions Open

debt

Difficulty 3/5 1-2 days Newbie friendliness 20/100

duneanalytics/evm.codes#89 · Opened Dec 27, 2021
Use GitHub releases and add a way to communicate changes to the users Open

feature

Difficulty 5/5 Over a week Newbie friendliness 15/100

duneanalytics/evm.codes#86 · Opened Dec 23, 2021
Playground: add a way to interact with deployed contracts Open

feature

Difficulty 5/5 Over a week Newbie friendliness 15/100

duneanalytics/evm.codes#79 · 1 comment · Opened Dec 13, 2021
Detect Solc compiler from the code instead of failing silently Open

improvement

duneanalytics/evm.codes#62 · 1 reaction · 1 assignee · Opened Nov 18, 2021
Add examples section ("how to push 0 on the stack", others) Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 25/100

duneanalytics/evm.codes#61 · 2 comments · Opened Nov 18, 2021
Long term idea: connect to the real chain Open

feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

duneanalytics/evm.codes#60 · Opened Nov 18, 2021
Add diff capabilities between opcodes and gas cost hardfork Open

feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

duneanalytics/evm.codes#58 · Opened Nov 18, 2021
Convert solc worker to TypeScript Open

debt

duneanalytics/evm.codes#31 · 1 assignee · Opened Oct 25, 2021
Resizable editor panes with settings remembering Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 30/100

duneanalytics/evm.codes#30 · 1 reaction · Opened Oct 24, 2021

duneanalytics/evm.codes

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