data is never updated if view method reverts

[0x33dm]

Describe the bug

Problem

I'm using useReadContract in order to have live updates from a variable called account_debt, in order to fetch that data I read a "view" method on a smart contract called get_pending_market_state_for_account.

The way the view functions works is:

1. If the user has no debt the view will revert.
2. If the user has debt the view will return account_debt
3. If the user closes his debt the view will revert again.

The natural user flow on the application goes as this:

1. User starts with no debt
2. User creates debt
3. User pays debt
4. User has no debt again UI should return to (1)

The problem is when a user pays the debt on step (3) the UI never returns to (1), because:

1. While the user has no debt the value of account_debt is null
2. When debt is created it becomes a bigint
3. When debt is closed the value never turns back to null because ( I assume ) Wagmi won't update the data if the contract starts reverting with the same params?

Debugging

When I look at the ReactQueryDevTools on the stuck page I can see this and it NEVER changes even though I see the "fetch" happening often, the cached data is always here.

If I press the blue button "Trigger Loading" then the data is updated and becomes "null" again ( which is the original state ).

Questions

---

• Is there a recommended way of dealing with this problem?
• Is there a way of overriding this problem, for instance have a hook where I can check if the view reverted for a given reason I can return some "empty state" to my frontend?
• Why clicking "Trigger Loading" has a different behaviour than "Refetch" and would it be possible to have "refetch" working as "trigger loading" by itself?

Link to Minimal Reproducible Example

https://stackblitz.com/edit/new-wagmi?file=src%2FApp.tsx

Steps To Reproduce

Described on the preview comment

Wagmi Version

2.8.1

Viem Version

2.10.2

TypeScript Version

5.4.5

Check existing issues

• I checked there isn't already an issue for the bug I encountered.

Anything else?

To reproduce the error I would need to send some test tokens on FTM + FTM for gas and I think it's not needed in this case as the problem is well explained.

Thanks a lot for your hard work on the library!

[0x33dm]

I tried to make a new reproductionable example on https://new.wagmi.sh/ but no matter what I do the page is rendered blank.

Tried the latest OPERA and latest CHROME both ended up with a blank page.

[tmm]

Can you share the contract address and ABI so someone that helps doesn't need to manually type the address and look for the ABI?

[0x33dm]

Can you share the contract address and ABI so someone that helps doesn't need to manually type the address and look for the ABI?

• contract + ABI: https://ftmscan.com/address/0x7B1292Af78F584845c60854482ed75874bd34C4d#code
• the view function is called get_pending_market_state_for_account
• the revert happens on line 470
• assert coll_change > 0 and debt_change > 0, "DFM:C 0 coll or debt"

I believe deploying this contract on a test net / local network would be a little to complicated, so would be better to write a simple contract with a parameter that triggers the failed assert.