Grin ledger hardware wallet progress thread by @markhollis

Update for weeks September 14 to September 28:
I worked these weeks on:

  • Adjust offset
  • Further work on signing of payment proof with ed25519 key (Dalek key in grin-wallet) and sending the information needed for this.
  • Work on grin-wallet. It seems best to implement a method for each action in grin-wallet that must be delegated to the HW (e.g. fn adjust_offset, fn create_payment_proof).

Now working on including inputs and outputs.

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