fig_login.plantuml

@startuml

|#fff0c4|Localstorage Empty|
start
:Login Page;
#palegreen:User Enters Email and Password;
note left
    The password is requested
    from the user for UX reasons,
    hashed and temporarily
    stored in vuex
end note
:* Wallet checks if user exists
* Wallet fetches Payload (2fa settings) from Backend
* sha256 hash password and store in vuex;
if(Entry For Email In Database) then (not found)
    #pink:show error message;
    -[#black,dotted]->

    #lightgrey:retry || route to /signup;
    kill;

else  (entry found)
	if (2fa email OR 2fa authenticator) then (enabled)
    	:2fa Email is sent to user if enabled;
        :User enters 2fa codes;
    endif
    :* Wallet fetches encrypted seed phrase from backend
    * if 2fa is enabled then backend only 
    returns encrypted seed phrase if 2fa codes are correct;
    :* Save Email in LocalStorage
    * Save encrypted seed phrase in LocalStorage;

    |#f4ffc4|Encrypted Seed Phrase In Localstore|

    :Decrypt Seed Phrase with Hashed Password;
    if(Unlock With Password) then (password incorrect)
        #pink:show recovery options;
        end;
    else (success)
        |#lightgreen|Unlock Successful|
        :* Save hashed password in session store
        * Init vuex datastore: address etc.;
        #lightgreen:show wallet;
        kill;
    endif
endif

@enduml