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Offline signature support #50

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RomeroYang opened this issue Jul 1, 2020 · 1 comment

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RomeroYang commented Jul 1, 2020

As a cold signer:

scan QR code from polkadot-js/apps UI and parse bytes data from it.
sign the data with Polkawallet and generate QR code with signature, send tx with this signature through polkadot-js/apps UI.

As a hot wallet:

generate a QR code with bytes data of a submittable Tx for parity-signer.
scan the QR code from parity-signer, and use it as the signature to send the Tx.

As both roles:

finish the process above with two Polkawallet App on two different devices.

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RomeroYang commented Jul 7, 2020

Unresolved issue：use UOS to sign recovery.asRecovered() and send, got Bad proof error.

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