Validate words when recovery phrase is entered and show warning if they do not match expected words

[annadanchenko]

Description

Type: Feature

Summary: Other account will be recovered if user makes a typo when entering a word in Recovery phrase. We can introduce validation of the entered words to see if they are found in https://github.com/status-im/status-go/blob/52cdcf8f0f1127f5ee694f39086a9e4df54174e6/extkeys/mnemonic.go#L97 If not then we can show an extra warning to the user or highlight "wrong" words but give user a final choice to decide if it's ok to restore account with "unexpected" words or not

Several users reported "lost funds" as wrong account was recovered. We can help to prevent it with such validation (even minimalistic UI would be better then seeing 0 instead of 5 ETH on recovered account)

GitHub

status-im/status-go

status-go - The Status module that consumes go-ethereum

[denis-sharypin]

My proposal would be:

1. Start checking words using our list right after this input is not active and show this warning if at least one word is wrong.

2. If a user decides to proceed she will get this

There is some possibility to meet people that not using standard words, but let's assume that they know what they are doing and keep the flow above since it's still possible to recover an account.

Please check the copy @obi2020