update Restore Wallet flow

[decentralistdan]

Final Specs:

1. update the Secret Recovery Phrase screen UI

   a. add 24 fields where a user can enter the recovery phrase words 1 by one in a chronological order

   b. if a word is autocompleted, move the user to the next input field (focused)

   c. a user may also navigate to the next field manually by tapping on the Next button

   d. a user should see words from the BIP 39 library suggested as they are typing

   e. a user may edit a previously filled field by tapping into it

   f. implement an explainer bottom sheet that pops up for the user after tap on the [?] icon

   g. a user may navigate back to the root screen by tapping on the back arrow button (we should clear all the input fields if they do so)

   h. once the full recovery phrase is filled, automatically route the user to the next step - WBH screen

2. update the Wallet Birthday Height screen UI

   a. a user can type in their wallet's block height and tap on the Restore button - in that case we should route the user to the next screen Keep Zashi open!

   b. if a user taps on the [?] icon, pop up an explainer bottom sheet

   • a user can click on the [Got it!] button or swipe down to close the bottom sheet

   c. if a user taps on the [Estimate my block height] button, route them to a new First Wallet Transaction screen

   d. if a user taps on the back arrow, route them back to the Secret Recovery Phrase screen

3. build new First Wallet Transaction screen

   a. a user can select a month and year of their first received transaction

   b. once a user taps on the Next button, route them to the new Estimated Block Height screen

   c. if a user taps on the back arrow, route them back to the Wallet Birthday Height screen

4. build the new Estimated Block Height screen

   a. based on the date a user has provided on the First Wallet Transaction screen, find the nearest checkpoint BELOW the given date and display the block height to the user

   b. a user may copy the estimated block height by tapping on a Copy button

   c. if a user taps on the back arrow, route them back to the First Wallet Transaction screen

   d. once a user taps on the Restore button, route them to the final screen of the flow - Keep Zashi open!

   • update copy on the screen

   • update illustration on the screen