Appkit iOS eth_sendTransaction not working with trust wallet

[msalman-mufin]

SDK Affected
AppKit

Describe the bug

Appkit connect works in trust wallet eth_sendTransaction method not working.

To Reproduce

Steps to reproduce the behavior:

1. Go to connect trust wallet with Flutter appkit (example) version 3.0.0 Build 45 (test flight)
2. Click on on network select polygon, and click connect.
3. After connect select eth_sendTransaction it will open trust wallet but wont show anything further.
4. When you comeback on Flutter Appkit you will see error popup

Expected behavior

Should show transaction popup in trust wallet

Reproducible code

you can download flutter appkit example from test flight https://testflight.apple.com/join/6aRJSllc

Screenshots

https://www.loom.com/share/19dbbc6ae41c4176a5f993aff56d5e66?sid=8b6a1f43-cdb7-4836-b710-3ec9cfde61b6

Smartphone (please complete the following information):

• Device: iPhone12
• OS: iOS 18.0.1
• Browser: Flutter Appkit example
• Version 3.0.0 Build 45

[linear]

WK-497 Appkit iOS eth_sendTransaction not working with trust wallet

[quetool]

Hello @msalman-mufin, thanks for reporting, is this happening only with Trust wallet?

[msalman-mufin]

Hey @quetool , other than trust wallet I tested with meta mask which works very fine.
Also I cross checked Wallet connect's Dapp which works fine.

[quetool]

Hello @msalman-mufin thanks! It is indeed an issue on Trust side. If you add 0x as data in your transaction it will work. I'll reach out to them to let them know about this issue.

[quetool]

Hello again @msalman-mufin! It turns out this is not an issue on Trust side. Just a bug on AppKit sample Dapp (not on the SDK). data is required to be sent during eth_sendTransaction/eth_signTransaction as per specs https://docs.reown.com/advanced/multichain/rpc-reference/ethereum-rpc#eth_sendtransaction and we are missing it on the Sample Dapp. Thanks for catching this, we will fix it.