b23_src/project/model/keygen.lua

local skynet = require "skynet"
local c = require "snowflake.core"
local prefix = nil
local function gen()
  return prefix .. c.gen()
end

skynet.init(function()
  local snowflake = skynet.localname(".snowflake")
  prefix = skynet.call(snowflake, "lua", "prefix")
end)
return gen