Uniswap/universal-router

View on GitHub

Uniswap's Universal Router for NFT and ERC20 swapping

Stars: 510
Forks: 295
Open beginner issues: 0
Indexed issues: 35
Avg merge: 9d 17h
Merged PRs (30d): 6

Dominant language: TypeScript
License: GPL-3.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

35 open issues indexed

chore: align package.json version with 2.1.1 and 2.2.0 releases Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Uniswap/universal-router#493 · Opened Jul 18, 2026
Inconsistency between main and latest tag Commands - Missing V4_SWAP command Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

Uniswap/universal-router#484 · Opened May 15, 2026
Is there an error register for each unsuccessful attempt to swap some token? Open

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

Uniswap/universal-router#460 · Opened Oct 28, 2025
v3 and v4 openzeppelin dependency conflict Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Uniswap/universal-router#454 · Opened Sep 4, 2025
Failed to recurse into submodule path 'lib/universal-router' Open

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

Uniswap/universal-router#453 · Opened Jun 26, 2025
Why v4-core is not installed as a direct dependency? Open

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

Uniswap/universal-router#447 · Opened Mar 14, 2025
incostitent versions between deployed and npm-published Open

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

Uniswap/universal-router#423 · Opened Nov 25, 2024
Replace Planner with version from universal-router-sdk Open

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

Uniswap/universal-router#414 · Opened Oct 1, 2024
Consider making immutables public Open

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

Uniswap/universal-router#362 · Opened Jul 29, 2024
Consider using different constants for if/else boundaries Open

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

Uniswap/universal-router#358 · Opened Jul 23, 2024
provider.estimateGas(tx) failed to obtain Open

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

Uniswap/universal-router#357 · Opened Jul 5, 2024
provider.estimateGas(tx) failed to obtain Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Uniswap/universal-router#356 · Opened Jul 5, 2024
v4: consider enum vs constants Open

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

Uniswap/universal-router#353 · Opened Jun 14, 2024
v4: add swapping Open

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

Uniswap/universal-router#352 · Opened Jun 14, 2024
v4: Make reentrancy guard transient Open

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

Uniswap/universal-router#351 · Opened Jun 14, 2024
Could you please share me an example about how to use universal-router send a v3 swap tx? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Uniswap/universal-router#345 · 1 comment · 4 reactions · Opened May 21, 2024
use tstore for reentrancy guard Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Uniswap/universal-router#341 · Opened Mar 21, 2024
allow Reverts in TX with multiple commands, aka F flag, aka 0x80 Mask: not working Open

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

Uniswap/universal-router#338 · 1 comment · Opened Feb 1, 2024
optimism sepolia? Open

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

Uniswap/universal-router#333 · 1 reaction · Opened Dec 19, 2023
chore(tags): add v1.5.1 tag Open

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

Uniswap/universal-router#330 · Opened Nov 8, 2023
Sweep list of command contains an unknown command Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Uniswap/universal-router#321 · Opened Oct 6, 2023
Separate out approveERC20 from Payments.sol into separate file Open

good first issue

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

Uniswap/universal-router#319 · 1 comment · Opened Sep 19, 2023
Deploy | Connection with the smart contract Open

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

Uniswap/universal-router#297 · Opened May 20, 2023
Remove opensea v1.4 Open

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

Uniswap/universal-router#295 · Opened May 16, 2023
Possible optimizations by avoiding `extcodesize` Open

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

Uniswap/universal-router#292 · Opened May 9, 2023
The upper 12 bytes of `CREATE2` pool address computed are not cleaned Open

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

Uniswap/universal-router#290 · Opened May 7, 2023
Add InputsLib for helper functions Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Uniswap/universal-router#277 · 1 reaction · Opened Apr 25, 2023
Aggregator how swapping ERC20? Open

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

Uniswap/universal-router#262 · Opened Mar 17, 2023
Issue in Deploying UniversalRouter. Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

Uniswap/universal-router#255 · 1 comment · Opened Mar 12, 2023
Publish deploy addresses in package Open

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

Uniswap/universal-router#250 · 3 comments · 1 reaction · Opened Mar 10, 2023
Which router do I need to use to get the best quote? Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Uniswap/universal-router#238 · 3 comments · Opened Feb 24, 2023
Consider removing (or editing) nested if logic in Dispatcher. Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

Uniswap/universal-router#180 · 3 comments · Opened Nov 19, 2022
ERC-4626 Support Open

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

Uniswap/universal-router#176 · 13 comments · 11 reactions · Opened Nov 18, 2022
swap and add Open

PostMVP

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

Uniswap/universal-router#50 · Opened Sep 19, 2022
Look into using the forge compiler for hardhat tests Open

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

Uniswap/universal-router#9 · Opened Aug 25, 2022

Uniswap/universal-router

Get new issues in your inbox