Crash report: `TypeError: Cannot read properties of undefined (reading 'tokens')`
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- Dominant language
- TypeScript
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Description
URL
https://app.diffusion.fi/#/swap
swap state
{
"INPUT": {
"currencyId": "EVMOS"
},
"OUTPUT": {
"currencyId": ""
},
"independentField": "INPUT",
"typedValue": "",
"recipient": null
}
Error
TypeError: Cannot read properties of undefined (reading 'tokens')
Stacktrace
TypeError: Cannot read properties of undefined (reading 'tokens')
at im (https://app.diffusion.fi/static/js/main.fe3de569.chunk.js:1:282600)
at https://app.diffusion.fi/static/js/main.fe3de569.chunk.js:1:283198
at Array.sort (<anonymous>)
at https://app.diffusion.fi/static/js/main.fe3de569.chunk.js:1:285162
at Object.useMemo (https://app.diffusion.fi/static/js/4.fe475264.chunk.js:2:1124316)
at t.useMemo (https://app.diffusion.fi/static/js/4.fe475264.chunk.js:2:1042538)
at dm (https://app.diffusion.fi/static/js/main.fe3de569.chunk.js:1:285140)
at no (https://app.diffusion.fi/static/js/4.fe475264.chunk.js:2:1118351)
at Xs (https://app.diffusion.fi/static/js/4.fe475264.chunk.js:2:1170809)
at Tu (https://app.diffusion.fi/static/js/4.fe475264.chunk.js:2:1157983)
Device data
{
"ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36 OPR/85.0.4341.75",
"browser": {
"name": "Opera",
"version": "85.0.4341.75",
"major": "85"
},
"engine": {
"name": "Blink",
"version": "99.0.4844.84"
},
"os": {
"name": "Windows",
"version": "10"
},
"device": {},
"cpu": {
"architecture": "amd64"
}
}
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the crash at the reported swap URL using the supplied swap state, especially the empty OUTPUT currencyId, then trace the minified stack back to its source. Done means the swap page no longer throws for this state and the reported error is no longer reproduced.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- blockchain, 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