bank.lua

local tArgs = {...}
if #tArgs > 0 then
 if tArgs[1] == "help" then
  print("Usages:")
  print("requestStatement(key,name,id)")
  print("sendTransaction(key,name,sum,id)")
 else
  local new = fs.open(tArgs[1]..".lua","w")
  new.writeLine("local id = --UserInput--")
  new.close()
 end
end

function requestStatement(lock,name,pc)
 rednet.send(pc,{"read",name,"placeholder",lock})
 local id,message = rednet.receive()
 if id == pc then
  return message
 end
end

function sendTransaction(lock,name,sum,pc)
 rednet.send(pc,{"write",name,sum,lock})
end