Banknet wireless access API

os.pullEvent = os.pullEventRaw
local Auth = 3434
local LCh = 455
local SCh = 233
local Version = "1.1.0"

local function TextField()
local input
local TX, TY = term.getCursorPos()
TY = TY - 1
while true do
  term.setCursorPos(TX,TY)
  term.clearLine()
  term.write()
  local e, a, b, c = os.pullEvent("key")
  if a == keys.enter then break elseif e == "key" then input = read(C) end
end
return input
end

function GetV()
return Version
end

function AuthenticateAccount(Key)
local Router = peripheral.find("wireless_modem")
local M = {"Auth",{{Key}},Auth}
Router.transmit(SCh,LCh,textutils.serialize(M))
local a, b, c, d, e
repeat
  a, b, c, d, e = os.pullEvent("modem_message")
until b == LCh
return e
end

function charge(Key2,Amount)
term.clear()
term.setCursorPos(1,1)
term.write("===Secure=Connection===")
term.setCursorPos(1,2)
term.write("enter Bank Key")
term.setCursorPos(2,3)
local Key = TextField()
local Router = peripheral.find("wireless_modem")
local M = {"transfer",{Pin,Key,Key2,Amount},Auth}
Router.transmit(SCh,LCh,textutils.serialize(M))
local a, b, c, d, e
repeat
  a, b, c, d, e = os.pullEvent("modem_message")
until b == LCh
return e
end