Uniswap / Uniswap/interface

Crash report: `TypeError: n[b] is undefined`

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Dominant language
TypeScript
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Description

Once typing in more than 3 words in token search, UniSwap interface crashes and sends me to error page.

URL

https://app.uniswap.org/#/swap

swap state

{
  "INPUT": {
    "currencyId": "ETH"
  },
  "OUTPUT": {
    "currencyId": null
  },
  "independentField": "INPUT",
  "typedValue": "",
  "recipient": null
}

Error

TypeError: n[b] is undefined

Stacktrace

64/O/<@https://app.uniswap.org/static/js/main.78d1f7c0.chunk.js:1:1021814
Qa@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3692552
t.useMemo@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3517608
O@https://app.uniswap.org/static/js/main.78d1f7c0.chunk.js:1:1021667
xe@https://app.uniswap.org/static/js/main.78d1f7c0.chunk.js:1:863435
Sa@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3688141
Pf@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3699829
Ss@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3746236
gu@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3734291
mu@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3734219
vu@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3734080
ou@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3730860
iu@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3729411
O@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3755992
C@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:3756525
c/<@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:2647573
c@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:2647688
n@https://app.uniswap.org/static/js/7.27643716.chunk.js:2:2646633

Device data

{
  "ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:106.0) Gecko/20100101 Firefox/106.0",
  "browser": {
    "name": "Firefox",
    "version": "106.0",
    "major": "106"
  },
  "engine": {
    "name": "Gecko",
    "version": "106.0"
  },
  "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

Open https://app.uniswap.org/#/swap in the reported Firefox environment and reproduce the crash by typing more than three words in token search. Use the supplied swap state and minified stacktrace as the starting evidence. Done means token search no longer sends the interface to the error page in this scenario.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
frontend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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