horizontalsystems / unstoppable-wallet-android

A powerful non-custodial multi-wallet for Bitcoin, Ethereum, Binance Smart Chain, Avalanche, Solana and other blockchains. Non-custodial crypto and NFT storage, onchain decentralized exchange, institutional grade analytics for cryptcurrency and NFT markets, extensive privacy controls and human oriented design. Implemented on Kotlin.

Unstoppable Wallet

We dream of a world… A world where private property is untouchable and market access is unconditional.

That obsession led us to engineer a crypto wallet that is equally open to all, lives online forever and unconditionally protects your assets. Only the user is in control of the money.

Unstoppable is a powerful non-custodial multi-wallet for Bitcoin, Ethereum, Binance Smart Chain, Avalanche, Solana, Zcash, The Open Network several and other blockchains. It provides non-custodial crypto storage, on-chain decentralized swaps, institutional grade analytics for cryptocurrency markets, extensive privacy controls and human oriented design.

It is built with care and adheres to best programming practices and implementation standards in cryptocurrency world. Fully implemented on Kotlin.

More at https://unstoppable.money

Supported Android Versions

Devices with Android versions 8.1 and above

Download

Source Code

https://github.com/horizontalsystems/unstoppable-wallet-android

License

This wallet is open source and available under the terms of the MIT License.

unstoppable-wallet-android's Issues

Transactions tab changes

• New cells
• Add 16dp paddings left of tabs --(all)

https://zpl.io/bAER3Oq
https://zpl.io/agNYn5D

Implement Transaction Status screen

with swipe navigation between addresses

Backup screen minor changes

• Add backup image
• change "Backup" fonts color

https://zpl.io/VK0mpLR

prepare Play Market listing for Bank Wallet

send controller: try to disable Google's Gboard in address inout field

In send controller try to disable Google's keyboard from showing when switching between amount/address fields.

Switching from amount to address field results in unpleasant flicker effect as the GBoard added on top of the native keyboard. We need to research that and try to avoid that for the benefit of the smooth user experience.

Adapt Restore and Guest modules to use AdapterManager

Replace app icon

launchicon_wallet.zip

HOME: show info button on non-active currencies.

"Info" should go to the link to the currency page

https://zpl.io/aMvOZAz

Welcome screen minor changes

• App Name color to white
• add decentralized scheme image
• "Decentralized App" text below image should be image as well, like on settings
• rename restore to import wallet

https://zpl.io/bAvzj5q

Pin Lock logic: use timeout for locking wallet when app is in background

If the user closed the app and returns back to it shortly after (a couple fo seconds) then we should let the user resume without asking to re-enter the pin again.

The timeout value can be set to 30 seconds.

Implement scan QR / scan QR from image screen

@TalgatNurdinov provide some guidelines for @rafaelekol

• how it should look
• buttons that would be available on the screen
• demo screen image

light mode issues

• pin edit and lock screen don't support light mode
• the secret keys are not visible when trying to backup keys

Check Peer when connected

When we connect to peer we should check if:

• its block height > 0
• it is a full node
• it supports bloom filter

If it doesn't meet the requirements we will disconnect it.

Refactoring of android keystore exception handlings for EncryptionManager.

Send controller design changes

Tasks

• Title aligned to left
• Inactive state of send button
• Remove USD/BTC switch button and make main currency BTC
• Change inputs turns 1. Amount 2 . Address

https://scene.zeplin.io/project/5b18ecff68e34a92986b0224

Paddings of coinholders

Top padding of 1st coinholder should be 12
Between coinholders 8

https://zpl.io/aBNXk8e

Settings tab: badge on "Security Settings" cell remains even after user have backed up the security keys

Validate receive address in Money send form

"decentralized app" text below the app name should be an image.

"decentralized app" text below the app name should be an image. it's not going to be localizable

Settings : finish security settings section

Release version will have:

• implement cells as on design mockups
• The "import wallet" setting. clicking on it would show user a confirmation dialog in bottom sheet controller similar to the confirmation dialog shown after the secret key backup. ** (1)This action will remove the currently installed wallet. (2)Backup its secret keys if you want too be able to access that wallet in the future. ""
• clicking on "unlink from this device" would show user same alert as for "import wallet"

https://zpl.io/VQEwA7m

Handle Inv Message in Peer

Change send / receive controllers white backround color to #barscolor

https://zpl.io/2pB9Dqo

Welcome screen minor changes

• App Name color to white
• add decentralized scheme image
• change text below image to Decentralized App
• rename restore to import wallet

https://zpl.io/bAvzj5q

blockchain_image.zip

Settings : finish security settings section

Release version will have PIN, Touch ID settings for app entry and transaction send actions

https://app.zeplin.io/project/5b18ecff68e34a92986b0224/dashboard?seid=5b62bd32b19c493d70151f95

crash on switch between night/lite looks

Port Wallet IAdapter from iOS project to Android

Switch Sync Peer in Peer Group

When switchPeer is true in
PeerGroup::requestHeaders(headerHashes: Array<ByteArray>, switchPeer: Boolean) before sending request to syncPeer we need to:

• Switch sync peer with any other peer.
• Set isFree flag of both prev and new sync peers with appropriate values

Receive controller changes

• aligned to left new title
• in adress use 10...10 characters
• remove copy button
• make copy instead share button

https://zpl.io/2pB9Dqo

Transaction Info (incl. expanded mode: Full Transaction Info)

• the amount field should not show "-" signs on outgoing transactions.
• The share buttons should share permanent IPFS permalink to transaction record

https://zpl.io/agNYn1R
https://zpl.io/agNYn1D
https://zpl.io/bPmGdNx
https://zpl.io/Vknqm9L

crash on "remove wallet" action in settings

Add Translations: German + Russian

• add German translations
• add Russian translations

Implement set/edit unlock pin screens

Set unlock pin screens

• set pin
• enter again

Change unlock pin screens

• Current pin
• New again

https://scene.zeplin.io/project/5b18ecff68e34a92986b0224

• Unlock Page 4 https://zpl.io/a3q7reA
• Set Pin https://zpl.io/a8KyBeK
• Set Pin 2 https://zpl.io/a7EBywq
• Change Pin https://zpl.io/VknomKv
• New Pin https://zpl.io/bznXMwz

Extract all texts to string file

Network Parameters

Setup translations management/admin panel for Bank Android

We need a solution that integrates with Github and provides an easy admin panel for potential contributors in the future.

Broadcast Transaction

Implement broadcasting transaction in peer group

implement Base Currency setting

Below you will find a list of all controller sent he app where user sees a fiat-currency equivalent of crypto amount.

• send controller
• transactions tab
• transaction info controller
• transaction status controller

Note that these amounts needs to be requested from the permanent IPFS record for that specific transaction.

@nk-the-crazy currently works on the implementation. followup up with him on the status before you begin working on that ticket. Once implemented we will be able to retrieve things like exchange rate and other transaction data for any blockchain in close tp real-time.

Send Module should validate Address and Amount

• Send Button should only get activated when amount and address are both have valid entries.
• display balance for the coin in the send module
• show text error just under input in red color. Also set red border for invalid input
• validate entered address
• validate input on amount field
• add the switch(base currency <>crypto) button back to the amount field
• instead "not available amount' show available balance

https://zpl.io/2EKoGzM

Make Determinant progressbar for coin wallets on Balance screen

Implement Send Confirmation controller

This controller should open after clicking on send
priority is disabled

https://zpl.io/aMvOqoo

Implement Base Currency

Below you will find a list of all controller sent he app where user sees a fiat-currency equivalent of crypto amount.

• send controller
• transactions tab
• settings (base currency selector controller)
• transaction info controller
• transaction status controller

Note that these amounts needs to be requested from the permanent IPFS record for that specific transaction.

@nk-the-crazy currently works on the implementation. followup up with him on the status before you begin working on that ticket. Once implemented we will be able to retrieve things like exchange rate and other transaction data for any blockchain in close tp real-time.

Sync

Add one more step after entering new pin "Confirm Pin" in edit pin

Rename steps titles to:

Set

• Set Pin
  Your pin will be used to unlock your wallet and send money
• Confirm Pin
  Your pin will be used to unlock your wallet and send money

Unlock

• Enter Pin

Edit Pin

• Edit Pin
• New Pin
• Confirm New Pin

if the text does not fit the size of the screen cut and ...

Bloom Filters

Implement setting bloom filters to the peer group

adjust how transaction status controller is presented

transaction tab >> click on transaction >> click on transaction status cell

The "transaction status" controller should be presented on top of the "transaction info" without collapsing it.

TX info status indicator: pending, processing, completed

https://zpl.io/V00QJ0E
https://zpl.io/2GOJoOd
https://zpl.io/VDnJ4nJ

Implement transaction status screen

Transaction status screen opened by clickable (status: completed/processing) button in transaction info.

• Sender/Receiver/ID hash address boxes are clickable for copying.
• "Block" cell should not be shown when status "processing".
• "Block" cell should show block number and clickable when status "completed".

Screens

• Transaction Status https://zpl.io/25r1jge
• Transaction Status scroll https://zpl.io/VqwXQOJ
• Transaction status processing https://zpl.io/VDnwmDw

https://scene.zeplin.io/project/5b18ecff68e34a92986b0224

Allow User to choose API for Restore Wallet for BTC / BCH/ DASH

• Restore from API : option may have several options to choose from including our own, for each supported blockchain. If for some reason a public explorer not available or not-responding it shouldn't be possible to proceed with that option. Similar implementation to transaction info data sources.

PIN Edit >> confirmation alert

on successful pin change we display alert with checkmark and confirmation text. Don't show text, only checkmark.

Parse Merkle Block Message