Uniswap / Uniswap/interface

Crash report: `Error: Missing four byte sig`

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Dominant language
TypeScript
Stars
5.5k
Forks
5.4k
PR merge metrics
No merged PRs in 30d

Description

URL

https://app.uniswap.org/swap?outputCurrency=0xea4931bfcf3260da6dbf0550e27f5c214e3c268b#/vote?chain=mainnet

Error

Error: Missing four byte sig

Stacktrace

Error: Missing four byte sig
    at https://app.uniswap.org/static/js/10.5b6f2871.chunk.js:1:16511
    at Array.map (<anonymous>)
    at https://app.uniswap.org/static/js/10.5b6f2871.chunk.js:1:16398
    at Array.map (<anonymous>)
    at https://app.uniswap.org/static/js/10.5b6f2871.chunk.js:1:15838
    at Object._i [as useMemo] (https://app.uniswap.org/static/js/3.10dd3680.chunk.js:2:3038095)
    at t.useMemo (https://app.uniswap.org/static/js/3.10dd3680.chunk.js:2:2942127)
    at ae (https://app.uniswap.org/static/js/10.5b6f2871.chunk.js:1:15561)
    at re (https://app.uniswap.org/static/js/10.5b6f2871.chunk.js:1:17548)
    at Pt (https://app.uniswap.org/static/js/10.5b6f2871.chunk.js:1:52679)

Device data

{
  "ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36",
  "browser": {
    "name": "Chrome",
    "version": "100.0.4896.127",
    "major": "100"
  },
  "engine": {
    "name": "Blink",
    "version": "100.0.4896.127"
  },
  "os": {
    "name": "Windows",
    "version": "10"
  },
  "device": {},
  "cpu": {
    "architecture": "amd64"
  }
}

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the crash at the provided Uniswap swap and vote URL using the reported Chrome and Windows environment, then inspect the source corresponding to the minified stack trace. The issue does not identify a source file or test; done means the vote page no longer crashes with “Missing four byte sig” and a regression check covers the failure.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
blockchain, frontend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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