@startuml
title "Crypto Wallet Process(3)(4)(5)

boundary User_Page as up
participant Frontend_Server as fe
participant Backend_Server as be
database Prod_database as db
database Remote_database as udb

participant Ethereum_Geth as geth


autonumber

note over up
(3) Transfer
/dangnn-coin-send
end note


up->fe: Check Balance and input\n To_addr, amount, gas fee and etc

fe->be:  To_addr, amount, gas fee and etc
be->db: find From_addr
db->be: From_accout addr
note over be: call Geth Transfer
be->geth: request Transfer
geth->be: Transaction Hash Value
be->fe: current accout balance
fe->up: show account balance

note over up:
autonumber

note over up
(4) Request Receipt
/dangnn-receipt-get
end note


up->fe: Transfering Page

fe->be: keep on requesting receipt until\n request is SUCCESSFUL

note over be: call Geth Request Receipt
be->geth: request receipt
geth->be: response receipt

be->fe: response Receipt
fe->up: keep on showing 'Transferring'\n Until request is SUCCESSFUL
note over up:
autonumber

note over up
(5) Receive = get wallet Addr
/dangnn-walladdr-get
end note

up->fe: Receive Page

fe->be: coin_type_id(Coin Symbol)
be->be: get member_id from GTB
be->db: member_id
db->be: wallet addr
be->fe: wallet addr
fe->fe: create QR code image\n with wallet addr
fe->up: show account addr with QR image


@enduml