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Description
When attempting to submit a relatively large preimage for approval via a QR signer (e.g., Polkadot Vault), the generated QR code by Polkadot-JS UI is invalid.
Steps to reproduce:
- Generate a preimage from https://polkadot.js.org/apps/#/preimages
- Propose the
system.remarkWithEventextrinsic using a file of around 2KB as the remark payload (e.g., lorem_ipsum_preimage_3kb.txt). - Attempt to approve the extrinsic using an account managed through a QR signer.
- The static QR code generated by Polkadot-JS UI fails to work, and Polkadot Vault returns the error:
"Bad input data. Payload type with code 0x01 not supported."
In contrast, other wallets like Subwallet or Talisman generate valid animated QR codes that Polkadot Vault is able to process correctly.
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